1 | /*========================================================================= |
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2 | |
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3 | Program: Visualization Toolkit |
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4 | Module: vtkRpCubeAxesActor.cpp |
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5 | Thanks: Kathleen Bonnell, B Division, Lawrence Livermore National Lab |
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6 | |
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7 | Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen |
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8 | All rights reserved. |
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9 | See Copyright.txt or http://www.kitware.com/Copyright.htm for details. |
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10 | |
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11 | This software is distributed WITHOUT ANY WARRANTY; without even |
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12 | the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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13 | PURPOSE. See the above copyright notice for more information. |
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14 | |
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15 | =========================================================================*/ |
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16 | #include "vtkRpCubeAxesActor.h" |
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17 | |
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18 | #include "vtkCamera.h" |
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19 | #include "vtkCoordinate.h" |
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20 | #include "vtkRpAxisActor.h" |
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21 | #include "vtkMath.h" |
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22 | #include "vtkObjectFactory.h" |
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23 | #include "vtkProperty.h" |
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24 | #include "vtkStringArray.h" |
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25 | #include "vtkViewport.h" |
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26 | |
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27 | // ************************************************************************* |
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28 | // Modifications: |
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29 | // Kathleen Bonnell, Wed Mar 6 13:48:48 PST 2002 |
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30 | // Replace 'New' method with Macro to match VTK 4.0 API. |
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31 | // |
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32 | // ************************************************************************* |
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33 | |
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34 | vtkStandardNewMacro(vtkRpCubeAxesActor); |
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35 | vtkCxxSetObjectMacro(vtkRpCubeAxesActor, Camera,vtkCamera); |
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36 | |
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37 | // ************************************************************************* |
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38 | // Instantiate this object. |
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39 | // |
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40 | // Modifications: |
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41 | // Kathleen Bonnell, Wed Oct 31 07:57:49 PST 2001 |
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42 | // Intialize new members lastPow, last*AxisDigits. |
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43 | // |
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44 | // Kathleen Bonnell, Wed Nov 7 16:19:16 PST 2001 |
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45 | // Intialize new members: Last*Extent, LastFlyMode, |
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46 | // renderAxes*, numAxes*. |
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47 | // |
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48 | // Hank Childs, Fri Sep 27 17:15:07 PDT 2002 |
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49 | // Initialize new members for units. |
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50 | // |
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51 | // Kathleen Bonnell, Fri Jul 25 14:37:32 PDT 2003 |
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52 | // Remove 'Input' and 'Prop' members, initialize new members |
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53 | // valueScaleFactor, mustAdjustValue, ForceLabelReset. |
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54 | // |
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55 | // Kathleen Bonnell, Wed Aug 6 13:59:15 PDT 2003 |
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56 | // Remove valueScaleFactor, replace mustAdjustValue and ForceLabelReset |
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57 | // with one for each axis type. |
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58 | // |
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59 | // Kathleen Bonnell, Tue Dec 16 11:27:30 PST 2003 |
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60 | // Replace Last*Extent with Last*Range. (* = X, Y, Z) |
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61 | // Add AutoLabelScaling, UserXPow, UserYPow, UserZPow. |
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62 | // |
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63 | // Brad Whitlock, Fri Jul 23 18:18:41 PST 2004 |
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64 | // Added ActualXLabel et al so we can keep title separate from what's |
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65 | // actually displayed so information is not lost. |
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66 | // |
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67 | // ************************************************************************* |
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68 | |
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69 | vtkRpCubeAxesActor::vtkRpCubeAxesActor() |
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70 | { |
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71 | this->Bounds[0] = -1.0; this->Bounds[1] = 1.0; |
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72 | this->Bounds[2] = -1.0; this->Bounds[3] = 1.0; |
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73 | this->Bounds[4] = -1.0; this->Bounds[5] = 1.0; |
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74 | |
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75 | this->TickLocation = VTK_TICKS_INSIDE; |
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76 | this->Camera = NULL; |
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77 | this->FlyMode = VTK_FLY_CLOSEST_TRIAD; |
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78 | int i; |
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79 | for (i = 0; i < 4; i++) |
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80 | { |
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81 | this->XAxes[i] = vtkRpAxisActor::New(); |
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82 | this->XAxes[i]->SetTickVisibility(1); |
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83 | this->XAxes[i]->SetMinorTicksVisible(1); |
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84 | this->XAxes[i]->SetLabelVisibility(1); |
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85 | this->XAxes[i]->SetTitleVisibility(1); |
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86 | this->XAxes[i]->SetAxisTypeToX(); |
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87 | this->XAxes[i]->SetAxisPosition(i); |
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88 | |
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89 | this->YAxes[i] = vtkRpAxisActor::New(); |
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90 | this->YAxes[i]->SetTickVisibility(1); |
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91 | this->YAxes[i]->SetMinorTicksVisible(1); |
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92 | this->YAxes[i]->SetLabelVisibility(1); |
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93 | this->YAxes[i]->SetTitleVisibility(1); |
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94 | this->YAxes[i]->SetAxisTypeToY(); |
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95 | this->YAxes[i]->SetAxisPosition(i); |
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96 | |
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97 | this->ZAxes[i] = vtkRpAxisActor::New(); |
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98 | this->ZAxes[i]->SetTickVisibility(1); |
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99 | this->ZAxes[i]->SetMinorTicksVisible(1); |
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100 | this->ZAxes[i]->SetLabelVisibility(1); |
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101 | this->ZAxes[i]->SetTitleVisibility(1); |
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102 | this->ZAxes[i]->SetAxisTypeToZ(); |
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103 | this->ZAxes[i]->SetAxisPosition(i); |
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104 | } |
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105 | |
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106 | this->XLabelFormat = new char[8]; |
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107 | sprintf(this->XLabelFormat, "%s", "%-#6.3g"); |
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108 | this->YLabelFormat = new char[8]; |
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109 | sprintf(this->YLabelFormat, "%s", "%-#6.3g"); |
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110 | this->ZLabelFormat = new char[8]; |
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111 | sprintf(this->ZLabelFormat, "%s", "%-#6.3g"); |
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112 | this->CornerOffset = 0.0; |
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113 | this->Inertia = 1; |
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114 | this->RenderCount = 0; |
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115 | |
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116 | this->XAxisVisibility = 1; |
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117 | this->YAxisVisibility = 1; |
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118 | this->ZAxisVisibility = 1; |
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119 | |
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120 | this->XAxisTickVisibility = 1; |
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121 | this->YAxisTickVisibility = 1; |
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122 | this->ZAxisTickVisibility = 1; |
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123 | |
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124 | this->XAxisMinorTickVisibility = 1; |
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125 | this->YAxisMinorTickVisibility = 1; |
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126 | this->ZAxisMinorTickVisibility = 1; |
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127 | |
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128 | this->XAxisLabelVisibility = 1; |
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129 | this->YAxisLabelVisibility = 1; |
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130 | this->ZAxisLabelVisibility = 1; |
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131 | |
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132 | this->DrawXGridlines = 0; |
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133 | this->DrawYGridlines = 0; |
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134 | this->DrawZGridlines = 0; |
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135 | |
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136 | this->XTitle = new char[7]; |
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137 | sprintf(this->XTitle, "%s", "X-Axis"); |
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138 | this->XUnits = NULL; |
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139 | this->YTitle = new char[7]; |
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140 | sprintf(this->YTitle, "%s", "Y-Axis"); |
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141 | this->YUnits = NULL; |
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142 | this->ZTitle = new char[7]; |
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143 | sprintf(this->ZTitle, "%s", "Z-Axis"); |
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144 | this->ZUnits = NULL; |
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145 | |
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146 | this->ActualXLabel = 0; |
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147 | this->ActualYLabel = 0; |
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148 | this->ActualZLabel = 0; |
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149 | |
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150 | this->LastXPow = 0; |
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151 | this->LastYPow = 0; |
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152 | this->LastZPow = 0; |
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153 | this->LastXAxisDigits = 3; |
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154 | this->LastYAxisDigits = 3; |
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155 | this->LastZAxisDigits = 3; |
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156 | |
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157 | this->LastXRange[0] = VTK_FLOAT_MAX; |
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158 | this->LastXRange[1] = VTK_FLOAT_MAX; |
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159 | this->LastYRange[0] = VTK_FLOAT_MAX; |
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160 | this->LastYRange[1] = VTK_FLOAT_MAX; |
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161 | this->LastZRange[0] = VTK_FLOAT_MAX; |
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162 | this->LastZRange[1] = VTK_FLOAT_MAX; |
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163 | |
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164 | this->LastFlyMode = -1; |
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165 | for (i = 0; i < 4; i++) |
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166 | { |
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167 | this->RenderAxesX[i] = i; |
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168 | this->RenderAxesY[i] = i; |
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169 | this->RenderAxesZ[i] = i; |
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170 | } |
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171 | this->NumberOfAxesX = this->NumberOfAxesY = this->NumberOfAxesZ = 1; |
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172 | |
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173 | this->MustAdjustXValue = false; |
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174 | this->MustAdjustYValue = false; |
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175 | this->MustAdjustZValue = false; |
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176 | |
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177 | this->ForceXLabelReset = false; |
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178 | this->ForceYLabelReset = false; |
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179 | this->ForceZLabelReset = false; |
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180 | |
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181 | this->AutoLabelScaling = true; |
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182 | this->UserXPow = 0; |
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183 | this->UserYPow = 0; |
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184 | this->UserZPow = 0; |
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185 | |
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186 | this->XAxisRange[0] = VTK_DOUBLE_MAX; |
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187 | this->XAxisRange[1] = VTK_DOUBLE_MAX; |
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188 | this->YAxisRange[0] = VTK_DOUBLE_MAX; |
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189 | this->YAxisRange[1] = VTK_DOUBLE_MAX; |
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190 | this->ZAxisRange[0] = VTK_DOUBLE_MAX; |
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191 | this->ZAxisRange[1] = VTK_DOUBLE_MAX; |
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192 | } |
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193 | |
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194 | // **************************************************************************** |
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195 | // Shallow copy of an actor. |
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196 | // |
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197 | // Modifications: |
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198 | // Kathleen Bonnell, Wed Mar 6 13:48:48 PST 2002 |
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199 | // Call superclass method the new VTK 4.0 way. |
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200 | // |
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201 | // Kathleen Bonnell, Fri Jul 25 14:37:32 PDT 2003 |
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202 | // Remove 'Input' and 'Prop' members, added new members |
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203 | // valueScaleFactor, mustAdjustValue, ForceLabelReset. |
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204 | // |
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205 | // Kathleen Bonnell, Wed Aug 6 13:59:15 PDT 2003 |
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206 | // Remove valueScaleFactor, replace mustAdjustValue and ForceLabelReset |
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207 | // with one for each axis type. |
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208 | // |
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209 | // **************************************************************************** |
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210 | |
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211 | void vtkRpCubeAxesActor::ShallowCopy(vtkRpCubeAxesActor *actor) |
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212 | { |
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213 | this->Superclass::ShallowCopy(actor); |
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214 | this->SetXLabelFormat(actor->GetXLabelFormat()); |
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215 | this->SetYLabelFormat(actor->GetYLabelFormat()); |
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216 | this->SetZLabelFormat(actor->GetZLabelFormat()); |
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217 | this->SetCornerOffset(actor->GetCornerOffset()); |
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218 | this->SetInertia(actor->GetInertia()); |
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219 | this->SetXTitle(actor->GetXTitle()); |
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220 | this->SetYTitle(actor->GetYTitle()); |
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221 | this->SetZTitle(actor->GetZTitle()); |
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222 | this->SetFlyMode(actor->GetFlyMode()); |
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223 | this->SetCamera(actor->GetCamera()); |
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224 | this->SetBounds(actor->GetBounds()); |
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225 | this->MustAdjustXValue = actor->MustAdjustXValue; |
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226 | this->MustAdjustYValue = actor->MustAdjustYValue; |
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227 | this->MustAdjustZValue = actor->MustAdjustZValue; |
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228 | this->ForceXLabelReset = actor->ForceXLabelReset; |
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229 | this->ForceYLabelReset = actor->ForceYLabelReset; |
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230 | this->ForceZLabelReset = actor->ForceZLabelReset; |
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231 | } |
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232 | |
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233 | // **************************************************************************** |
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234 | // Modifications: |
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235 | // |
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236 | // Hank Childs, Fri Sep 27 17:15:07 PDT 2002 |
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237 | // Destruct new data members for units. |
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238 | // |
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239 | // Brad Whitlock, Fri Jul 23 18:21:16 PST 2004 |
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240 | // Added more items and fixed a small memory leak. |
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241 | // |
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242 | // **************************************************************************** |
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243 | |
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244 | vtkRpCubeAxesActor::~vtkRpCubeAxesActor() |
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245 | { |
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246 | this->SetCamera(NULL); |
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247 | |
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248 | for (int i = 0; i < 4; i++) |
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249 | { |
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250 | if (this->XAxes[i]) |
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251 | { |
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252 | this->XAxes[i]->Delete(); |
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253 | this->XAxes[i] = NULL; |
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254 | } |
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255 | if (this->YAxes[i]) |
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256 | { |
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257 | this->YAxes[i]->Delete(); |
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258 | this->YAxes[i] = NULL; |
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259 | } |
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260 | if (this->ZAxes[i]) |
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261 | { |
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262 | this->ZAxes[i]->Delete(); |
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263 | this->ZAxes[i] = NULL; |
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264 | } |
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265 | } |
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266 | |
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267 | if (this->XLabelFormat) |
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268 | { |
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269 | delete [] this->XLabelFormat; |
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270 | this->XLabelFormat = NULL; |
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271 | } |
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272 | |
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273 | if (this->YLabelFormat) |
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274 | { |
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275 | delete [] this->YLabelFormat; |
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276 | this->YLabelFormat = NULL; |
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277 | } |
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278 | |
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279 | if (this->ZLabelFormat) |
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280 | { |
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281 | delete [] this->ZLabelFormat; |
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282 | this->ZLabelFormat = NULL; |
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283 | } |
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284 | |
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285 | if (this->XTitle) |
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286 | { |
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287 | delete [] this->XTitle; |
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288 | this->XTitle = NULL; |
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289 | } |
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290 | if (this->YTitle) |
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291 | { |
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292 | delete [] this->YTitle; |
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293 | this->YTitle = NULL; |
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294 | } |
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295 | if (this->ZTitle) |
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296 | { |
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297 | delete [] this->ZTitle; |
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298 | this->ZTitle = NULL; |
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299 | } |
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300 | |
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301 | if (this->XUnits) |
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302 | { |
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303 | delete [] this->XUnits; |
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304 | this->XUnits = NULL; |
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305 | } |
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306 | if (this->YUnits) |
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307 | { |
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308 | delete [] this->YUnits; |
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309 | this->YUnits = NULL; |
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310 | } |
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311 | if (this->ZUnits) |
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312 | { |
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313 | delete [] this->ZUnits; |
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314 | this->ZUnits = NULL; |
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315 | } |
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316 | |
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317 | if (this->ActualXLabel) |
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318 | { |
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319 | delete [] this->ActualXLabel; |
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320 | this->ActualXLabel = NULL; |
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321 | } |
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322 | if (this->ActualYLabel) |
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323 | { |
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324 | delete [] this->ActualYLabel; |
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325 | this->ActualYLabel = NULL; |
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326 | } |
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327 | if (this->ActualZLabel) |
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328 | { |
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329 | delete [] this->ActualZLabel; |
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330 | this->ActualZLabel = NULL; |
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331 | } |
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332 | } |
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333 | |
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334 | // ************************************************************************* |
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335 | // Project the bounding box and compute edges on the border of the bounding |
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336 | // cube. Determine which parts of the edges are visible via intersection |
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337 | // with the boundary of the viewport (minus borders). |
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338 | // |
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339 | // Modifications: |
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340 | // Kathleen Bonnell, Wed Oct 31 07:57:49 PST 2001 |
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341 | // Added calls to AdjustValues, AdjustRange. |
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342 | // |
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343 | // Kathleen Bonnell, Wed Nov 7 16:19:16 PST 2001 |
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344 | // Only render those axes needed for current FlyMode. |
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345 | // Moved bulk of 'build' code to BuildAxes method, added calls to |
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346 | // BuildAxes and DetermineRenderAxes methods. |
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347 | // |
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348 | // Kathleen Bonnell, Fri Jul 25 14:37:32 PDT 2003 |
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349 | // Added initial build of each axis. |
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350 | // ************************************************************************* |
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351 | |
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352 | int vtkRpCubeAxesActor::RenderOpaqueGeometry(vtkViewport *viewport) |
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353 | { |
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354 | int i, renderedSomething=0; |
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355 | static bool initialRender = true; |
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356 | // Initialization |
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357 | if (!this->Camera) |
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358 | { |
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359 | vtkErrorMacro(<<"No camera!"); |
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360 | this->RenderSomething = 0; |
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361 | return 0; |
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362 | } |
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363 | |
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364 | this->BuildAxes(viewport); |
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365 | |
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366 | if (initialRender) |
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367 | { |
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368 | for (i = 0; i < 4; i++) |
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369 | { |
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370 | this->XAxes[i]->BuildAxis(viewport, true); |
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371 | this->YAxes[i]->BuildAxis(viewport, true); |
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372 | this->ZAxes[i]->BuildAxis(viewport, true); |
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373 | } |
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374 | } |
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375 | initialRender = false; |
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376 | |
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377 | this->DetermineRenderAxes(viewport); |
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378 | |
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379 | //Render the axes |
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380 | if (this->XAxisVisibility) |
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381 | { |
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382 | for (i = 0; i < this->NumberOfAxesX; i++) |
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383 | { |
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384 | renderedSomething += |
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385 | this->XAxes[this->RenderAxesX[i]]->RenderOpaqueGeometry(viewport); |
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386 | } |
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387 | } |
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388 | |
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389 | if (this->YAxisVisibility) |
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390 | { |
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391 | for (i = 0; i < this->NumberOfAxesY; i++) |
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392 | { |
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393 | renderedSomething += |
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394 | this->YAxes[this->RenderAxesY[i]]->RenderOpaqueGeometry(viewport); |
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395 | } |
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396 | } |
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397 | |
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398 | if (this->ZAxisVisibility) |
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399 | { |
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400 | for (i = 0; i < this->NumberOfAxesZ; i++) |
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401 | { |
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402 | renderedSomething += |
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403 | this->ZAxes[this->RenderAxesZ[i]]->RenderOpaqueGeometry(viewport); |
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404 | } |
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405 | } |
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406 | return renderedSomething; |
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407 | } |
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408 | |
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409 | // Do final adjustment of axes to control offset, etc. |
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410 | void vtkRpCubeAxesActor::AdjustAxes(double bounds[6], double xCoords[4][6], |
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411 | double yCoords[4][6], double zCoords[4][6], |
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412 | double xRange[2], double yRange[2], |
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413 | double zRange[2]) |
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414 | { |
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415 | xRange[0] = (this->XAxisRange[0] == VTK_DOUBLE_MAX ? |
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416 | bounds[0] : this->XAxisRange[0]); |
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417 | xRange[1] = (this->XAxisRange[1] == VTK_DOUBLE_MAX ? |
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418 | bounds[1] : this->XAxisRange[1]); |
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419 | yRange[0] = (this->YAxisRange[0] == VTK_DOUBLE_MAX ? |
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420 | bounds[2] : this->YAxisRange[0]); |
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421 | yRange[1] = (this->YAxisRange[1] == VTK_DOUBLE_MAX ? |
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422 | bounds[3] : this->YAxisRange[1]); |
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423 | zRange[0] = (this->ZAxisRange[0] == VTK_DOUBLE_MAX ? |
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424 | bounds[4] : this->ZAxisRange[0]); |
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425 | zRange[1] = (this->ZAxisRange[1] == VTK_DOUBLE_MAX ? |
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426 | bounds[5] : this->ZAxisRange[1]); |
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427 | |
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428 | const double xScale = (xRange[1] - xRange[0])/(bounds[1] - bounds[0]); |
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429 | const double yScale = (yRange[1] - yRange[0])/(bounds[3] - bounds[2]); |
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430 | const double zScale = (zRange[1] - zRange[0])/(bounds[5] - bounds[4]); |
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431 | |
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432 | // Pull back the corners if specified |
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433 | if (this->CornerOffset > 0.0) |
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434 | { |
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435 | for (int i = 0; i < 4; i++) |
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436 | { |
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437 | double ave; |
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438 | |
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439 | // x-axis |
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440 | ave = (xCoords[i][0] + xCoords[i][2]) / 2.0; |
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441 | xCoords[i][0] = |
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442 | xCoords[i][0] - this->CornerOffset * (xCoords[i][0] - ave); |
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443 | xCoords[i][2] = |
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444 | xCoords[i][2] - this->CornerOffset * (xCoords[i][2] - ave); |
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445 | |
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446 | ave = (xCoords[i][1] + xCoords[i][3]) / 2.0; |
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447 | xCoords[i][1] = |
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448 | xCoords[i][1] - this->CornerOffset * (xCoords[i][1] - ave); |
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449 | xCoords[i][3] = |
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450 | xCoords[i][3] - this->CornerOffset * (xCoords[i][3] - ave); |
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451 | |
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452 | ave = (xRange[1] + xRange[0]) / 2.0; |
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453 | xRange[0] = xRange[0] - this->CornerOffset * xScale * (xRange[0] - ave); |
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454 | xRange[1] = xRange[1] - this->CornerOffset * xScale * (xRange[1] - ave); |
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455 | |
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456 | // y-axis |
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457 | ave = (yCoords[i][0] + yCoords[i][2]) / 2.0; |
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458 | yCoords[i][0] = |
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459 | yCoords[i][0] - this->CornerOffset * (yCoords[i][0] - ave); |
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460 | yCoords[i][2] = |
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461 | yCoords[i][2] - this->CornerOffset * (yCoords[i][2] - ave); |
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462 | |
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463 | ave = (yCoords[i][1] + yCoords[i][3]) / 2.0; |
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464 | yCoords[i][1] = |
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465 | yCoords[i][1] - this->CornerOffset * (yCoords[i][1] - ave); |
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466 | yCoords[i][3] = |
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467 | yCoords[i][3] - this->CornerOffset * (yCoords[i][3] - ave); |
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468 | |
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469 | ave = (yRange[1] + yRange[0]) / 2.0; |
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470 | yRange[0] = yRange[0] - this->CornerOffset * yScale * (yRange[0] - ave); |
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471 | yRange[1] = yRange[1] - this->CornerOffset * yScale * (yRange[1] - ave); |
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472 | |
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473 | // z-axis |
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474 | ave = (zCoords[i][0] + zCoords[i][2]) / 2.0; |
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475 | zCoords[i][0] = |
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476 | zCoords[i][0] - this->CornerOffset * (zCoords[i][0] - ave); |
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477 | zCoords[i][2] = |
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478 | zCoords[i][2] - this->CornerOffset * (zCoords[i][2] - ave); |
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479 | |
---|
480 | ave = (zCoords[i][1] + zCoords[i][3]) / 2.0; |
---|
481 | zCoords[i][1] = |
---|
482 | zCoords[i][1] - this->CornerOffset * (zCoords[i][1] - ave); |
---|
483 | zCoords[i][3] = |
---|
484 | zCoords[i][3] - this->CornerOffset * (zCoords[i][3] - ave); |
---|
485 | |
---|
486 | ave = (zRange[1] + zRange[0]) / 2.0; |
---|
487 | zRange[0] = zRange[0] - this->CornerOffset * zScale * (zRange[0] - ave); |
---|
488 | zRange[1] = zRange[1] - this->CornerOffset * zScale * (zRange[1] - ave); |
---|
489 | } |
---|
490 | } |
---|
491 | } |
---|
492 | |
---|
493 | // Release any graphics resources that are being consumed by this actor. |
---|
494 | // The parameter window could be used to determine which graphic |
---|
495 | // resources to release. |
---|
496 | void vtkRpCubeAxesActor::ReleaseGraphicsResources(vtkWindow *win) |
---|
497 | { |
---|
498 | for (int i = 0; i < 4; i++) |
---|
499 | { |
---|
500 | this->XAxes[i]->ReleaseGraphicsResources(win); |
---|
501 | this->YAxes[i]->ReleaseGraphicsResources(win); |
---|
502 | this->ZAxes[i]->ReleaseGraphicsResources(win); |
---|
503 | } |
---|
504 | } |
---|
505 | |
---|
506 | // ************************************************************************* |
---|
507 | // Compute the bounds |
---|
508 | // |
---|
509 | // Modifications: |
---|
510 | // Kathleen Bonnell, Fri Jul 25 14:37:32 PDT 2003 |
---|
511 | // Removed support for Prop and Input. |
---|
512 | // ************************************************************************* |
---|
513 | void vtkRpCubeAxesActor::GetBounds(double bounds[6]) |
---|
514 | { |
---|
515 | for (int i=0; i< 6; i++) |
---|
516 | { |
---|
517 | bounds[i] = this->Bounds[i]; |
---|
518 | } |
---|
519 | } |
---|
520 | |
---|
521 | // Compute the bounds |
---|
522 | void vtkRpCubeAxesActor::GetBounds(double& xmin, double& xmax, |
---|
523 | double& ymin, double& ymax, |
---|
524 | double& zmin, double& zmax) |
---|
525 | { |
---|
526 | xmin = this->Bounds[0]; |
---|
527 | xmax = this->Bounds[1]; |
---|
528 | ymin = this->Bounds[2]; |
---|
529 | ymax = this->Bounds[3]; |
---|
530 | zmin = this->Bounds[4]; |
---|
531 | zmax = this->Bounds[5]; |
---|
532 | } |
---|
533 | |
---|
534 | // Compute the bounds |
---|
535 | double *vtkRpCubeAxesActor::GetBounds() |
---|
536 | { |
---|
537 | return this->Bounds; |
---|
538 | } |
---|
539 | |
---|
540 | // ****************************************************************** |
---|
541 | // Modifications: |
---|
542 | // Kathleen Bonnell, Wed Mar 6 13:48:48 PST 2002 |
---|
543 | // Call superclass method the new VTK 4.0 way. |
---|
544 | // |
---|
545 | // Kathleen Bonnell, Fri Jul 25 14:37:32 PDT 2003 |
---|
546 | // Removed Input and Prop. |
---|
547 | // |
---|
548 | // ****************************************************************** |
---|
549 | |
---|
550 | void vtkRpCubeAxesActor::PrintSelf(ostream& os, vtkIndent indent) |
---|
551 | { |
---|
552 | this->Superclass::PrintSelf(os,indent); |
---|
553 | |
---|
554 | os << indent << "Bounds: \n"; |
---|
555 | os << indent << " Xmin,Xmax: (" << this->Bounds[0] << ", " |
---|
556 | << this->Bounds[1] << ")\n"; |
---|
557 | os << indent << " Ymin,Ymax: (" << this->Bounds[2] << ", " |
---|
558 | << this->Bounds[3] << ")\n"; |
---|
559 | os << indent << " Zmin,Zmax: (" << this->Bounds[4] << ", " |
---|
560 | << this->Bounds[5] << ")\n"; |
---|
561 | |
---|
562 | |
---|
563 | os << indent << "XAxisRange: [" << this->XAxisRange[0] << ", " |
---|
564 | << this->XAxisRange[1] << "] " << endl; |
---|
565 | os << indent << "YAxisRange: [" << this->YAxisRange[0] << ", " |
---|
566 | << this->YAxisRange[1] << "] " << endl; |
---|
567 | os << indent << "ZAxisRange: [" << this->ZAxisRange[0] << ", " |
---|
568 | << this->ZAxisRange[1] << "] " << endl; |
---|
569 | |
---|
570 | if (this->Camera) |
---|
571 | { |
---|
572 | os << indent << "Camera:\n"; |
---|
573 | this->Camera->PrintSelf(os,indent.GetNextIndent()); |
---|
574 | } |
---|
575 | else |
---|
576 | { |
---|
577 | os << indent << "Camera: (none)\n"; |
---|
578 | } |
---|
579 | |
---|
580 | if (this->FlyMode == VTK_FLY_CLOSEST_TRIAD) |
---|
581 | { |
---|
582 | os << indent << "Fly Mode: CLOSEST_TRIAD\n"; |
---|
583 | } |
---|
584 | else if (this->FlyMode == VTK_FLY_FURTHEST_TRIAD) |
---|
585 | { |
---|
586 | os << indent << "Fly Mode: FURTHEST_TRIAD\n"; |
---|
587 | } |
---|
588 | else if (this->FlyMode == VTK_FLY_STATIC_TRIAD) |
---|
589 | { |
---|
590 | os << indent << "Fly Mode: STATIC_TRIAD\n"; |
---|
591 | } |
---|
592 | else if (this->FlyMode == VTK_FLY_STATIC_EDGES) |
---|
593 | { |
---|
594 | os << indent << "Fly Mode: STATIC_EDGES\n"; |
---|
595 | } |
---|
596 | else |
---|
597 | { |
---|
598 | os << indent << "Fly Mode: OUTER_EDGES\n"; |
---|
599 | } |
---|
600 | |
---|
601 | os << indent << "X Axis Title: " << this->XTitle << "\n"; |
---|
602 | os << indent << "Y Axis Title: " << this->YTitle << "\n"; |
---|
603 | os << indent << "Z Axis Title: " << this->ZTitle << "\n"; |
---|
604 | |
---|
605 | os << indent << "X Axis Visibility: " |
---|
606 | << (this->XAxisVisibility ? "On\n" : "Off\n"); |
---|
607 | os << indent << "Y Axis Visibility: " |
---|
608 | << (this->YAxisVisibility ? "On\n" : "Off\n"); |
---|
609 | os << indent << "Z Axis Visibility: " |
---|
610 | << (this->ZAxisVisibility ? "On\n" : "Off\n"); |
---|
611 | |
---|
612 | os << indent << "X Axis Label Format: " << this->XLabelFormat << "\n"; |
---|
613 | os << indent << "Y Axis Label Format: " << this->YLabelFormat << "\n"; |
---|
614 | os << indent << "Z Axis Label Format: " << this->ZLabelFormat << "\n"; |
---|
615 | os << indent << "Inertia: " << this->Inertia << "\n"; |
---|
616 | os << indent << "Corner Offset: " << this->CornerOffset << "\n"; |
---|
617 | |
---|
618 | os << indent << "XAxisTickVisibility: " |
---|
619 | << (this->XAxisTickVisibility ? "On" : "Off") << endl; |
---|
620 | os << indent << "YAxisTickVisibility: " |
---|
621 | << (this->YAxisTickVisibility ? "On" : "Off") << endl; |
---|
622 | os << indent << "ZAxisTickVisibility: " |
---|
623 | << (this->ZAxisTickVisibility ? "On" : "Off") << endl; |
---|
624 | |
---|
625 | os << indent << "XAxisMinorTickVisibility: " |
---|
626 | << (this->XAxisMinorTickVisibility ? "On" : "Off") << endl; |
---|
627 | os << indent << "YAxisMinorTickVisibility: " |
---|
628 | << (this->YAxisMinorTickVisibility ? "On" : "Off") << endl; |
---|
629 | os << indent << "ZAxisMinorTickVisibility: " |
---|
630 | << (this->ZAxisMinorTickVisibility ? "On" : "Off") << endl; |
---|
631 | |
---|
632 | os << indent << "XAxisLabelVisibility: " |
---|
633 | << (this->XAxisLabelVisibility ? "On" : "Off") << endl; |
---|
634 | os << indent << "YAxisLabelVisibility: " |
---|
635 | << (this->YAxisLabelVisibility ? "On" : "Off") << endl; |
---|
636 | os << indent << "ZAxisLabelVisibility: " |
---|
637 | << (this->ZAxisLabelVisibility ? "On" : "Off") << endl; |
---|
638 | |
---|
639 | os << indent << "XUnits: " |
---|
640 | << (this->XUnits ? this->XUnits : "(none)") << endl; |
---|
641 | os << indent << "YUnits: " |
---|
642 | << (this->YUnits ? this->YUnits : "(none)") << endl; |
---|
643 | os << indent << "ZUnits: " |
---|
644 | << (this->ZUnits ? this->ZUnits : "(none)") << endl; |
---|
645 | |
---|
646 | os << indent << "TickLocation: " << this->TickLocation << endl; |
---|
647 | |
---|
648 | os << indent << "DrawXGridlines: " << this->DrawXGridlines << endl; |
---|
649 | os << indent << "DrawYGridlines: " << this->DrawYGridlines << endl; |
---|
650 | os << indent << "DrawZGridlines: " << this->DrawZGridlines << endl; |
---|
651 | } |
---|
652 | |
---|
653 | void vtkRpCubeAxesActor::TransformBounds(vtkViewport *viewport, |
---|
654 | const double bounds[6], |
---|
655 | double pts[8][3]) |
---|
656 | { |
---|
657 | int i, j, k, idx; |
---|
658 | double x[3]; |
---|
659 | |
---|
660 | //loop over verts of bounding box |
---|
661 | for (k=0; k<2; k++) |
---|
662 | { |
---|
663 | x[2] = bounds[4+k]; |
---|
664 | for (j=0; j<2; j++) |
---|
665 | { |
---|
666 | x[1] = bounds[2+j]; |
---|
667 | for (i=0; i<2; i++) |
---|
668 | { |
---|
669 | idx = i + 2*j + 4*k; |
---|
670 | x[0] = bounds[i]; |
---|
671 | viewport->SetWorldPoint(x[0],x[1],x[2],1.0); |
---|
672 | viewport->WorldToDisplay(); |
---|
673 | viewport->GetDisplayPoint(pts[idx]); |
---|
674 | } |
---|
675 | } |
---|
676 | } |
---|
677 | } |
---|
678 | |
---|
679 | // *********************************************************************** |
---|
680 | // |
---|
681 | // Calculate the size (length) of major and minor ticks, |
---|
682 | // based on an average of the coordinate direction ranges. |
---|
683 | // Set the necessary Axes methods with the calculated information. |
---|
684 | // |
---|
685 | // Returns: false if tick size not recomputed, true otherwise. |
---|
686 | // |
---|
687 | // Modifications: |
---|
688 | // Kathleen Bonnell, Wed Nov 7 16:19:16 PST 2001 |
---|
689 | // Added logic for early-termination. |
---|
690 | // |
---|
691 | // Kathleen Bonnell, Fri Jul 18 09:09:31 PDT 2003 |
---|
692 | // Added return value, added calls to AdjustTicksComputeRange and |
---|
693 | // BuildLabels. |
---|
694 | // |
---|
695 | // Kathleen Bonnell, Mon Dec 15 14:59:26 PST 2003 |
---|
696 | // Use the actual range values instead of range-extents to determine |
---|
697 | // if tick size needs to be recomputed. |
---|
698 | // |
---|
699 | // *********************************************************************** |
---|
700 | |
---|
701 | bool vtkRpCubeAxesActor::ComputeTickSize(double bounds[6]) |
---|
702 | { |
---|
703 | bool xRangeChanged = this->LastXRange[0] != bounds[0] || |
---|
704 | this->LastXRange[1] != bounds[1]; |
---|
705 | |
---|
706 | bool yRangeChanged = this->LastYRange[0] != bounds[2] || |
---|
707 | this->LastYRange[1] != bounds[3]; |
---|
708 | |
---|
709 | bool zRangeChanged = this->LastZRange[0] != bounds[4] || |
---|
710 | this->LastZRange[1] != bounds[5]; |
---|
711 | |
---|
712 | if (!(xRangeChanged || yRangeChanged || zRangeChanged)) |
---|
713 | { |
---|
714 | // no need to re-compute ticksize. |
---|
715 | return false; |
---|
716 | } |
---|
717 | |
---|
718 | int i; |
---|
719 | double xExt = bounds[1] - bounds[0]; |
---|
720 | double yExt = bounds[3] - bounds[2]; |
---|
721 | double zExt = bounds[5] - bounds[4]; |
---|
722 | |
---|
723 | if (xRangeChanged) |
---|
724 | { |
---|
725 | this->AdjustTicksComputeRange(this->XAxes, bounds[0], bounds[1]); |
---|
726 | this->BuildLabels(this->XAxes); |
---|
727 | } |
---|
728 | if (yRangeChanged) |
---|
729 | { |
---|
730 | this->AdjustTicksComputeRange(this->YAxes, bounds[2], bounds[3]); |
---|
731 | this->BuildLabels(this->YAxes); |
---|
732 | } |
---|
733 | if (zRangeChanged) |
---|
734 | { |
---|
735 | this->AdjustTicksComputeRange(this->ZAxes, bounds[4], bounds[5]); |
---|
736 | this->BuildLabels(this->ZAxes); |
---|
737 | } |
---|
738 | |
---|
739 | this->LastXRange[0] = (this->XAxisRange[0] == VTK_DOUBLE_MAX ? |
---|
740 | bounds[0] : this->XAxisRange[0]); |
---|
741 | this->LastXRange[1] = (this->XAxisRange[1] == VTK_DOUBLE_MAX ? |
---|
742 | bounds[1] : this->XAxisRange[1]); |
---|
743 | this->LastYRange[0] = (this->YAxisRange[0] == VTK_DOUBLE_MAX ? |
---|
744 | bounds[2] : this->YAxisRange[0]); |
---|
745 | this->LastYRange[1] = (this->YAxisRange[1] == VTK_DOUBLE_MAX ? |
---|
746 | bounds[3] : this->YAxisRange[1]); |
---|
747 | this->LastZRange[0] = (this->ZAxisRange[0] == VTK_DOUBLE_MAX ? |
---|
748 | bounds[4] : this->ZAxisRange[0]); |
---|
749 | this->LastZRange[1] = (this->ZAxisRange[1] == VTK_DOUBLE_MAX ? |
---|
750 | bounds[5] : this->ZAxisRange[1]); |
---|
751 | |
---|
752 | double major = 0.02 * (xExt + yExt + zExt) / 3.; |
---|
753 | double minor = 0.5 * major; |
---|
754 | for (i = 0; i < 4; i++) |
---|
755 | { |
---|
756 | this->XAxes[i]->SetMajorTickSize(major); |
---|
757 | this->XAxes[i]->SetMinorTickSize(minor); |
---|
758 | |
---|
759 | this->YAxes[i]->SetMajorTickSize(major); |
---|
760 | this->YAxes[i]->SetMinorTickSize(minor); |
---|
761 | |
---|
762 | this->ZAxes[i]->SetMajorTickSize(major); |
---|
763 | this->ZAxes[i]->SetMinorTickSize(minor); |
---|
764 | |
---|
765 | this->XAxes[i]->SetGridlineXLength(xExt); |
---|
766 | this->XAxes[i]->SetGridlineYLength(yExt); |
---|
767 | this->XAxes[i]->SetGridlineZLength(zExt); |
---|
768 | |
---|
769 | this->YAxes[i]->SetGridlineXLength(xExt); |
---|
770 | this->YAxes[i]->SetGridlineYLength(yExt); |
---|
771 | this->YAxes[i]->SetGridlineZLength(zExt); |
---|
772 | |
---|
773 | this->ZAxes[i]->SetGridlineXLength(xExt); |
---|
774 | this->ZAxes[i]->SetGridlineYLength(yExt); |
---|
775 | this->ZAxes[i]->SetGridlineZLength(zExt); |
---|
776 | } |
---|
777 | return true; |
---|
778 | } |
---|
779 | |
---|
780 | // **************************************************************************** |
---|
781 | // Method: vtkRpCubeAxesActor::AdjustValues |
---|
782 | // |
---|
783 | // Purpose: |
---|
784 | // If the range of values is too big or too small, put them in scientific |
---|
785 | // notation and changes the labels. |
---|
786 | // |
---|
787 | // Arguments: |
---|
788 | // bnds The min/max values in each coordinate direction: |
---|
789 | // (min_x, max_x, min_y, max_y, min_z, max_x). |
---|
790 | // |
---|
791 | // Note: This code is partially stolen from old MeshTV code, |
---|
792 | // /meshtvx/toolkit/plotgrid.c, axlab[x|y]. |
---|
793 | // |
---|
794 | // Programmer: Hank Childs |
---|
795 | // Creation: July 11, 2000 |
---|
796 | // |
---|
797 | // Modifications: |
---|
798 | // Kathleen Bonnell, Wed Oct 31 07:57:49 PST 2001 |
---|
799 | // Regardless of individual ranges, if any coord direction has too |
---|
800 | // small/large a range, all will have a scale factor set for scaling their |
---|
801 | // label values, and their titles adjusted accordingly. |
---|
802 | // |
---|
803 | // Kathleen Bonnell, Thu Sep 5 17:32:16 PDT 2002 |
---|
804 | // Only use dimensions with range > 0 for determining scale factor. |
---|
805 | // |
---|
806 | // Hank Childs, Fri Sep 27 17:15:07 PDT 2002 |
---|
807 | // Account for units. |
---|
808 | // |
---|
809 | // Kathleen Bonnell, Wed Aug 6 13:59:15 PDT 2003 |
---|
810 | // Each axis type now has its own 'mustAdjustValue' and 'lastPow'. |
---|
811 | // |
---|
812 | // Kathleen Bonnell, Tue Dec 16 11:23:31 PST 2003 |
---|
813 | // Allow the LabelExponent to be user-settable (autLabelScaling is off). |
---|
814 | // For title use '10e' instead of just 'e' to designate that exponent |
---|
815 | // has been used. |
---|
816 | // |
---|
817 | // Kathleen Bonnell, Tue Jul 20 11:41:45 PDT 2004 |
---|
818 | // For title use 'x10^' instead of '10e' to designate that exponent. |
---|
819 | // |
---|
820 | // Brad Whitlock, Fri Jul 23 18:27:30 PST 2004 |
---|
821 | // Added support for using user-defined titles for axes. |
---|
822 | // |
---|
823 | // **************************************************************************** |
---|
824 | |
---|
825 | void vtkRpCubeAxesActor::AdjustValues(const double xRange[2], |
---|
826 | const double yRange[2], |
---|
827 | const double zRange[2]) |
---|
828 | { |
---|
829 | char xTitle[64]; |
---|
830 | |
---|
831 | int xPow, yPow, zPow; |
---|
832 | |
---|
833 | if (AutoLabelScaling) |
---|
834 | { |
---|
835 | xPow = this->LabelExponent(xRange[0], xRange[1]); |
---|
836 | yPow = this->LabelExponent(yRange[0], yRange[1]); |
---|
837 | zPow = this->LabelExponent(zRange[0], zRange[1]); |
---|
838 | } |
---|
839 | else |
---|
840 | { |
---|
841 | xPow = UserXPow; |
---|
842 | yPow = UserYPow; |
---|
843 | zPow = UserZPow; |
---|
844 | } |
---|
845 | |
---|
846 | if (xPow != 0) |
---|
847 | { |
---|
848 | if (!this->MustAdjustXValue || this->LastXPow != xPow) |
---|
849 | { |
---|
850 | this->ForceXLabelReset = true; |
---|
851 | } |
---|
852 | else |
---|
853 | { |
---|
854 | this->ForceXLabelReset = false; |
---|
855 | } |
---|
856 | this->MustAdjustXValue = true; |
---|
857 | |
---|
858 | if (XUnits == NULL || XUnits[0] == '\0') |
---|
859 | { |
---|
860 | sprintf(xTitle, "%s (x10^%d)", this->XTitle, xPow); |
---|
861 | } |
---|
862 | else |
---|
863 | { |
---|
864 | sprintf(xTitle, "%s (x10^%d %s)", this->XTitle, xPow, XUnits); |
---|
865 | } |
---|
866 | } |
---|
867 | else |
---|
868 | { |
---|
869 | if (this->MustAdjustXValue) |
---|
870 | { |
---|
871 | this->Modified(); |
---|
872 | this->ForceXLabelReset = true; |
---|
873 | } |
---|
874 | else |
---|
875 | { |
---|
876 | this->ForceXLabelReset = false; |
---|
877 | } |
---|
878 | this->MustAdjustXValue = false; |
---|
879 | |
---|
880 | if (XUnits == NULL || XUnits[0] == '\0') |
---|
881 | { |
---|
882 | sprintf(xTitle,"%s",this->XTitle); |
---|
883 | } |
---|
884 | else |
---|
885 | { |
---|
886 | sprintf(xTitle, "%s (%s)", this->XTitle, XUnits); |
---|
887 | } |
---|
888 | } |
---|
889 | |
---|
890 | char yTitle[64]; |
---|
891 | if (yPow != 0) |
---|
892 | { |
---|
893 | if (!this->MustAdjustYValue || this->LastYPow != yPow) |
---|
894 | { |
---|
895 | this->ForceYLabelReset = true; |
---|
896 | } |
---|
897 | else |
---|
898 | { |
---|
899 | this->ForceYLabelReset = false; |
---|
900 | } |
---|
901 | this->MustAdjustYValue = true; |
---|
902 | if (YUnits == NULL || YUnits[0] == '\0') |
---|
903 | { |
---|
904 | sprintf(yTitle, "%s (x10^%d)", this->YTitle, yPow); |
---|
905 | } |
---|
906 | else |
---|
907 | { |
---|
908 | sprintf(yTitle, "%s (x10^%d %s)", this->YTitle, yPow, YUnits); |
---|
909 | } |
---|
910 | } |
---|
911 | else |
---|
912 | { |
---|
913 | if (this->MustAdjustYValue) |
---|
914 | { |
---|
915 | this->Modified(); |
---|
916 | this->ForceYLabelReset = true; |
---|
917 | } |
---|
918 | else |
---|
919 | { |
---|
920 | this->ForceYLabelReset = false; |
---|
921 | } |
---|
922 | this->MustAdjustYValue = false; |
---|
923 | if (YUnits == NULL || YUnits[0] == '\0') |
---|
924 | { |
---|
925 | sprintf(yTitle,"%s",this->YTitle); |
---|
926 | } |
---|
927 | else |
---|
928 | { |
---|
929 | sprintf(yTitle, "%s (%s)", this->YTitle, YUnits); |
---|
930 | } |
---|
931 | } |
---|
932 | |
---|
933 | char zTitle[64]; |
---|
934 | if (zPow != 0) |
---|
935 | { |
---|
936 | if (!this->MustAdjustZValue || this->LastZPow != zPow) |
---|
937 | { |
---|
938 | this->ForceZLabelReset = true; |
---|
939 | } |
---|
940 | else |
---|
941 | { |
---|
942 | this->ForceZLabelReset = false; |
---|
943 | } |
---|
944 | this->MustAdjustZValue = true; |
---|
945 | |
---|
946 | if (ZUnits == NULL || ZUnits[0] == '\0') |
---|
947 | { |
---|
948 | sprintf(zTitle, "%s (x10^%d)", this->ZTitle, zPow); |
---|
949 | } |
---|
950 | else |
---|
951 | { |
---|
952 | sprintf(zTitle, "%s (x10^%d %s)", this->ZTitle, zPow, ZUnits); |
---|
953 | } |
---|
954 | } |
---|
955 | else |
---|
956 | { |
---|
957 | if (this->MustAdjustZValue) |
---|
958 | { |
---|
959 | this->Modified(); |
---|
960 | this->ForceZLabelReset = true; |
---|
961 | } |
---|
962 | else |
---|
963 | { |
---|
964 | this->ForceZLabelReset = false; |
---|
965 | } |
---|
966 | this->MustAdjustZValue = false; |
---|
967 | |
---|
968 | if (ZUnits == NULL || ZUnits[0] == '\0') |
---|
969 | { |
---|
970 | sprintf(zTitle,"%s",this->ZTitle); |
---|
971 | } |
---|
972 | else |
---|
973 | { |
---|
974 | sprintf(zTitle, "%s (%s)", this->ZTitle, ZUnits); |
---|
975 | } |
---|
976 | } |
---|
977 | |
---|
978 | this->LastXPow = xPow; |
---|
979 | this->LastYPow = yPow; |
---|
980 | this->LastZPow = zPow; |
---|
981 | |
---|
982 | this->SetActualXLabel(xTitle); |
---|
983 | this->SetActualYLabel(yTitle); |
---|
984 | this->SetActualZLabel(zTitle); |
---|
985 | } |
---|
986 | |
---|
987 | // **************************************************************************** |
---|
988 | // Method: vtkRpCubeAxesActor::AdjustRange |
---|
989 | // |
---|
990 | // Purpose: |
---|
991 | // If the range is small, adjust the precision of the values displayed. |
---|
992 | // |
---|
993 | // Arguments: |
---|
994 | // bnds The minimum and maximum values in each coordinate direction |
---|
995 | // (min_x, max_x, min_y, max_y, min_z, max_z). |
---|
996 | // |
---|
997 | // Programmer: Hank Childs |
---|
998 | // Creation: July 11, 2000 |
---|
999 | // |
---|
1000 | // Modifications: |
---|
1001 | // Kathleen Bonnell, Wed Oct 31 07:57:49 PST 2001 |
---|
1002 | // Moved from VisWinAxes3D. |
---|
1003 | // |
---|
1004 | // Kathleen Bonnell, Thu Aug 1 14:05:05 PDT 2002 |
---|
1005 | // Send lastPos as argument to Digits. |
---|
1006 | // |
---|
1007 | // Kathleen Bonnell, Wed Aug 6 13:59:15 PDT 2003 |
---|
1008 | // Adjust the range values using LastXPow, LastYPow, LastZPow. |
---|
1009 | // |
---|
1010 | // **************************************************************************** |
---|
1011 | |
---|
1012 | void vtkRpCubeAxesActor::AdjustRange(const double bnds[6]) |
---|
1013 | { |
---|
1014 | double xrange[2], yrange[2], zrange[2]; |
---|
1015 | |
---|
1016 | xrange[0] = (this->XAxisRange[0] == VTK_DOUBLE_MAX ? |
---|
1017 | bnds[0] : this->XAxisRange[0]); |
---|
1018 | xrange[1] = (this->XAxisRange[1] == VTK_DOUBLE_MAX ? |
---|
1019 | bnds[1] : this->XAxisRange[1]); |
---|
1020 | yrange[0] = (this->YAxisRange[0] == VTK_DOUBLE_MAX ? |
---|
1021 | bnds[2] : this->YAxisRange[0]); |
---|
1022 | yrange[1] = (this->YAxisRange[1] == VTK_DOUBLE_MAX ? |
---|
1023 | bnds[3] : this->YAxisRange[1]); |
---|
1024 | zrange[0] = (this->ZAxisRange[0] == VTK_DOUBLE_MAX ? |
---|
1025 | bnds[4] : this->ZAxisRange[0]); |
---|
1026 | zrange[1] = (this->ZAxisRange[1] == VTK_DOUBLE_MAX ? |
---|
1027 | bnds[5] : this->ZAxisRange[1]); |
---|
1028 | |
---|
1029 | if (this->LastXPow != 0) |
---|
1030 | { |
---|
1031 | xrange[0] /= pow(10., this->LastXPow); |
---|
1032 | xrange[1] /= pow(10., this->LastXPow); |
---|
1033 | } |
---|
1034 | if (this->LastYPow != 0) |
---|
1035 | { |
---|
1036 | yrange[0] /= pow(10., this->LastYPow); |
---|
1037 | yrange[1] /= pow(10., this->LastYPow); |
---|
1038 | } |
---|
1039 | if (this->LastZPow != 0) |
---|
1040 | { |
---|
1041 | zrange[0] /= pow(10., this->LastZPow); |
---|
1042 | zrange[1] /= pow(10., this->LastZPow); |
---|
1043 | } |
---|
1044 | |
---|
1045 | int xAxisDigits = this->Digits(xrange[0], xrange[1]); |
---|
1046 | if (xAxisDigits != this->LastXAxisDigits) |
---|
1047 | { |
---|
1048 | char format[16]; |
---|
1049 | sprintf(format, "%%.%df", xAxisDigits); |
---|
1050 | this->SetXLabelFormat(format); |
---|
1051 | this->LastXAxisDigits = xAxisDigits; |
---|
1052 | } |
---|
1053 | |
---|
1054 | int yAxisDigits = this->Digits(yrange[0], yrange[1]); |
---|
1055 | if (yAxisDigits != this->LastYAxisDigits) |
---|
1056 | { |
---|
1057 | char format[16]; |
---|
1058 | sprintf(format, "%%.%df", yAxisDigits); |
---|
1059 | this->SetYLabelFormat(format); |
---|
1060 | this->LastYAxisDigits = yAxisDigits; |
---|
1061 | } |
---|
1062 | |
---|
1063 | int zAxisDigits = this->Digits(zrange[0], zrange[1]); |
---|
1064 | if (zAxisDigits != this->LastZAxisDigits) |
---|
1065 | { |
---|
1066 | char format[16]; |
---|
1067 | sprintf(format, "%%.%df", zAxisDigits); |
---|
1068 | this->SetZLabelFormat(format); |
---|
1069 | this->LastZAxisDigits = zAxisDigits; |
---|
1070 | } |
---|
1071 | } |
---|
1072 | |
---|
1073 | // **************************************************************************** |
---|
1074 | // Method: Digits |
---|
1075 | // |
---|
1076 | // Purpose: |
---|
1077 | // Determines the appropriate number of digits for a given range. |
---|
1078 | // |
---|
1079 | // Arguments: |
---|
1080 | // min The minimum value in the range. |
---|
1081 | // max The maximum value in the range. |
---|
1082 | // |
---|
1083 | // Returns: The appropriate number of digits. |
---|
1084 | // |
---|
1085 | // Programmer: Hank Childs |
---|
1086 | // Creation: July 11, 2000 |
---|
1087 | // |
---|
1088 | // Modifications: |
---|
1089 | // |
---|
1090 | // Hank Childs, Tue Sep 18 11:58:33 PDT 2001 |
---|
1091 | // Cast ipow10 to get rid of compiler warning. |
---|
1092 | // |
---|
1093 | // Kathleen Bonnell, Wed Oct 31 07:57:49 PST 2001 |
---|
1094 | // Moved from VisWinAxes3D. |
---|
1095 | // |
---|
1096 | // Kathleen Bonnell, Thu Aug 1 13:44:02 PDT 2002 |
---|
1097 | // Added lastPow argument, it specifies whether or not scientific notation |
---|
1098 | // is being used on the labels. |
---|
1099 | // |
---|
1100 | // Kathleen Bonnell, Wed Aug 6 13:59:15 PDT 2003 |
---|
1101 | // Removed lastPow argment, as the adjustment necessary is now taking |
---|
1102 | // place in AdjustRange. |
---|
1103 | // |
---|
1104 | // **************************************************************************** |
---|
1105 | |
---|
1106 | int vtkRpCubeAxesActor::Digits(double min, double max ) |
---|
1107 | { |
---|
1108 | double range = max - min; |
---|
1109 | double pow10 = log10(range); |
---|
1110 | int ipow10 = static_cast<int>(floor(pow10)); |
---|
1111 | int digitsPastDecimal = -ipow10; |
---|
1112 | |
---|
1113 | if (digitsPastDecimal < 0) |
---|
1114 | { |
---|
1115 | // |
---|
1116 | // The range is more than 10, but not so big we need scientific |
---|
1117 | // notation, we don't need to worry about decimals. |
---|
1118 | // |
---|
1119 | digitsPastDecimal = 0; |
---|
1120 | } |
---|
1121 | else |
---|
1122 | { |
---|
1123 | // |
---|
1124 | // We want one more than the range since there is more than one |
---|
1125 | // tick per decade. |
---|
1126 | // |
---|
1127 | digitsPastDecimal++; |
---|
1128 | |
---|
1129 | // |
---|
1130 | // Anything more than 5 is just noise. (and probably 5 is noise with |
---|
1131 | // doubleing point if the part before the decimal is big). |
---|
1132 | // |
---|
1133 | if (digitsPastDecimal > 5) |
---|
1134 | { |
---|
1135 | digitsPastDecimal = 5; |
---|
1136 | } |
---|
1137 | } |
---|
1138 | |
---|
1139 | return digitsPastDecimal; |
---|
1140 | } |
---|
1141 | |
---|
1142 | // **************************************************************************** |
---|
1143 | // Method: LabelExponent |
---|
1144 | // |
---|
1145 | // Purpose: |
---|
1146 | // Determines the proper exponent for the min and max values. |
---|
1147 | // |
---|
1148 | // Arguments: |
---|
1149 | // min The minimum value along a certain axis. |
---|
1150 | // max The maximum value along a certain axis. |
---|
1151 | // |
---|
1152 | // Note: This code is mostly stolen from old MeshTV code, |
---|
1153 | // /meshtvx/toolkit/plotgrid.c, axlab_format. |
---|
1154 | // |
---|
1155 | // Programmer: Hank Childs |
---|
1156 | // Creation: July 11, 2000 |
---|
1157 | // |
---|
1158 | // Modifications: |
---|
1159 | // Eric Brugger, Tue Sep 18 09:18:17 PDT 2001 |
---|
1160 | // Change a few static local variables to be non-static to get around a |
---|
1161 | // compiler bug with the MIPSpro 7.2.1.3 compiler. |
---|
1162 | // |
---|
1163 | // Hank Childs, Tue Sep 18 11:58:33 PDT 2001 |
---|
1164 | // Cast return value to get rid of compiler warning. |
---|
1165 | // |
---|
1166 | // Kathleen Bonnell, Wed Oct 31 07:57:49 PST 2001 |
---|
1167 | // Moved from VisWinAxes3D. |
---|
1168 | // |
---|
1169 | // Kathleen Bonnell, Wed Aug 6 13:59:15 PDT 2003 |
---|
1170 | // Added test for min==max. |
---|
1171 | // |
---|
1172 | // **************************************************************************** |
---|
1173 | |
---|
1174 | int vtkRpCubeAxesActor::LabelExponent(double min, double max) |
---|
1175 | { |
---|
1176 | if (min == max) |
---|
1177 | { |
---|
1178 | return 0; |
---|
1179 | } |
---|
1180 | |
---|
1181 | // |
---|
1182 | // Determine power of 10 to scale axis labels to. |
---|
1183 | // |
---|
1184 | double range = (fabs(min) > fabs(max) ? fabs(min) : fabs(max)); |
---|
1185 | double pow10 = log10(range); |
---|
1186 | |
---|
1187 | // |
---|
1188 | // Cutoffs for using scientific notation. The following 4 variables |
---|
1189 | // should all be static for maximum performance but were made non-static |
---|
1190 | // to get around a compiler bug with the MIPSpro 7.2.1.3 compiler. |
---|
1191 | // |
---|
1192 | double eformat_cut_min = -1.5; |
---|
1193 | double eformat_cut_max = 3.0; |
---|
1194 | double cut_min = pow(10., eformat_cut_min); |
---|
1195 | double cut_max = pow(10., eformat_cut_max); |
---|
1196 | double ipow10; |
---|
1197 | if (range < cut_min || range > cut_max) |
---|
1198 | { |
---|
1199 | // |
---|
1200 | // We are going to use scientific notation and round the exponents to |
---|
1201 | // the nearest multiple of three. |
---|
1202 | // |
---|
1203 | ipow10 = (floor(floor(pow10)/3.))*3; |
---|
1204 | } |
---|
1205 | else |
---|
1206 | { |
---|
1207 | ipow10 = 0; |
---|
1208 | } |
---|
1209 | |
---|
1210 | return static_cast<int>(ipow10); |
---|
1211 | } |
---|
1212 | |
---|
1213 | // ************************************************************************* |
---|
1214 | // Build the axes. Determine coordinates, position, etc. |
---|
1215 | // |
---|
1216 | // Note: Bulk of code moved here from RenderOpaqueGeomtry. |
---|
1217 | // Early-termination test added. |
---|
1218 | // |
---|
1219 | // Programmer: Kathleen Bonnell |
---|
1220 | // Creation: November 7, 2001 |
---|
1221 | // |
---|
1222 | // Modifications: |
---|
1223 | // Kathleen Bonnell, Mon Dec 3 16:49:01 PST 2001 |
---|
1224 | // Compare vtkTimeStamps correctly. |
---|
1225 | // |
---|
1226 | // Kathleen Bonnell, Fri Jul 25 14:37:32 PDT 2003 |
---|
1227 | // Added logic to compute and set for each axis the labels and title |
---|
1228 | // scale size. |
---|
1229 | // |
---|
1230 | // Kathleen Bonnell, Wed Aug 6 13:59:15 PDT 2003 |
---|
1231 | // Indivdual axes now have their own ForceLabelReset. |
---|
1232 | // |
---|
1233 | // ************************************************************************* |
---|
1234 | |
---|
1235 | void vtkRpCubeAxesActor::BuildAxes(vtkViewport *viewport) |
---|
1236 | { |
---|
1237 | double bounds[6]; |
---|
1238 | double pts[8][3]; |
---|
1239 | int i; |
---|
1240 | |
---|
1241 | if ((this->GetMTime() < this->BuildTime.GetMTime())) |
---|
1242 | { |
---|
1243 | return; |
---|
1244 | } |
---|
1245 | |
---|
1246 | this->SetNonDependentAttributes(); |
---|
1247 | // determine the bounds to use (input, prop, or user-defined) |
---|
1248 | this->GetBounds(bounds); |
---|
1249 | |
---|
1250 | // Build the axes (almost always needed so we don't check mtime) |
---|
1251 | // Transform all points into display coordinates (to determine which closest |
---|
1252 | // to camera). |
---|
1253 | this->TransformBounds(viewport, bounds, pts); |
---|
1254 | |
---|
1255 | // Setup the axes for plotting |
---|
1256 | double xCoords[4][6], yCoords[4][6], zCoords[4][6]; |
---|
1257 | |
---|
1258 | // these arrays are accessed by 'location': mm, mX, XX, or Xm. |
---|
1259 | int mm1[4] = { 0, 0, 1, 1 }; |
---|
1260 | int mm2[4] = { 0, 1, 1, 0 }; |
---|
1261 | |
---|
1262 | for (i = 0; i < 4; i++) |
---|
1263 | { |
---|
1264 | this->XAxes[i]->SetAxisPosition(i); |
---|
1265 | xCoords[i][0] = bounds[0]; |
---|
1266 | xCoords[i][3] = bounds[1]; |
---|
1267 | xCoords[i][1] = xCoords[i][4] = bounds[2+mm1[i]]; |
---|
1268 | xCoords[i][2] = xCoords[i][5] = bounds[4+mm2[i]]; |
---|
1269 | |
---|
1270 | this->YAxes[i]->SetAxisPosition(i); |
---|
1271 | yCoords[i][0] = yCoords[i][3] = bounds[0+mm1[i]]; |
---|
1272 | yCoords[i][1] = bounds[2]; |
---|
1273 | yCoords[i][4] = bounds[3]; |
---|
1274 | yCoords[i][2] = yCoords[i][5] = bounds[4+mm2[i]]; |
---|
1275 | |
---|
1276 | this->ZAxes[i]->SetAxisPosition(i); |
---|
1277 | zCoords[i][0] = zCoords[i][3] = bounds[0+mm1[i]]; |
---|
1278 | zCoords[i][1] = zCoords[i][4] = bounds[2+mm2[i]]; |
---|
1279 | zCoords[i][2] = bounds[4]; |
---|
1280 | zCoords[i][5] = bounds[5]; |
---|
1281 | } |
---|
1282 | |
---|
1283 | double xRange[2], yRange[2], zRange[2]; |
---|
1284 | |
---|
1285 | // this method sets the Coords, and offsets if necessary. |
---|
1286 | this->AdjustAxes(bounds, xCoords, yCoords, zCoords, xRange, yRange, zRange); |
---|
1287 | |
---|
1288 | // adjust for sci. notation if necessary |
---|
1289 | // May set a flag for each axis specifying that label values should |
---|
1290 | // be scaled, may change title of each axis, may change label format. |
---|
1291 | this->AdjustValues(xRange, yRange, zRange); |
---|
1292 | this->AdjustRange(this->Bounds); |
---|
1293 | |
---|
1294 | // Prepare axes for rendering with user-definable options |
---|
1295 | for (i = 0; i < 4; i++) |
---|
1296 | { |
---|
1297 | this->XAxes[i]->GetPoint1Coordinate()->SetValue(xCoords[i][0], |
---|
1298 | xCoords[i][1], |
---|
1299 | xCoords[i][2]); |
---|
1300 | this->XAxes[i]->GetPoint2Coordinate()->SetValue(xCoords[i][3], |
---|
1301 | xCoords[i][4], |
---|
1302 | xCoords[i][5]); |
---|
1303 | this->YAxes[i]->GetPoint1Coordinate()->SetValue(yCoords[i][0], |
---|
1304 | yCoords[i][1], |
---|
1305 | yCoords[i][2]); |
---|
1306 | this->YAxes[i]->GetPoint2Coordinate()->SetValue(yCoords[i][3], |
---|
1307 | yCoords[i][4], |
---|
1308 | yCoords[i][5]); |
---|
1309 | this->ZAxes[i]->GetPoint1Coordinate()->SetValue(zCoords[i][0], |
---|
1310 | zCoords[i][1], |
---|
1311 | zCoords[i][2]); |
---|
1312 | this->ZAxes[i]->GetPoint2Coordinate()->SetValue(zCoords[i][3], |
---|
1313 | zCoords[i][4], |
---|
1314 | zCoords[i][5]); |
---|
1315 | |
---|
1316 | this->XAxes[i]->SetRange(xRange[0], xRange[1]); |
---|
1317 | this->YAxes[i]->SetRange(yRange[0], yRange[1]); |
---|
1318 | this->ZAxes[i]->SetRange(zRange[0], zRange[1]); |
---|
1319 | |
---|
1320 | this->XAxes[i]->SetTitle(this->ActualXLabel); |
---|
1321 | this->YAxes[i]->SetTitle(this->ActualYLabel); |
---|
1322 | this->ZAxes[i]->SetTitle(this->ActualZLabel); |
---|
1323 | } |
---|
1324 | |
---|
1325 | bool ticksRecomputed = this->ComputeTickSize(bounds); |
---|
1326 | |
---|
1327 | // |
---|
1328 | // Labels are built during ComputeTickSize. if |
---|
1329 | // ticks were not recomputed, but we need a label |
---|
1330 | // reset, then build the labels here. |
---|
1331 | // |
---|
1332 | if (!ticksRecomputed) |
---|
1333 | { |
---|
1334 | if (this->ForceXLabelReset) |
---|
1335 | { |
---|
1336 | this->BuildLabels(this->XAxes); |
---|
1337 | } |
---|
1338 | if (this->ForceYLabelReset) |
---|
1339 | { |
---|
1340 | this->BuildLabels(this->YAxes); |
---|
1341 | } |
---|
1342 | if (this->ForceZLabelReset) |
---|
1343 | { |
---|
1344 | this->BuildLabels(this->ZAxes); |
---|
1345 | } |
---|
1346 | } |
---|
1347 | |
---|
1348 | if (ticksRecomputed || this->ForceXLabelReset || this->ForceYLabelReset || |
---|
1349 | this->ForceZLabelReset) |
---|
1350 | { |
---|
1351 | // labels were re-built, need to recompute the scale. |
---|
1352 | double center[3]; |
---|
1353 | |
---|
1354 | center[0] = (this->Bounds[1] - this->Bounds[0]) * 0.5; |
---|
1355 | center[1] = (this->Bounds[3] - this->Bounds[2]) * 0.5; |
---|
1356 | center[2] = (this->Bounds[5] - this->Bounds[4]) * 0.5; |
---|
1357 | |
---|
1358 | double lenX = this->XAxes[0]->ComputeMaxLabelLength(center); |
---|
1359 | double lenY = this->YAxes[0]->ComputeMaxLabelLength(center); |
---|
1360 | double lenZ = this->ZAxes[0]->ComputeMaxLabelLength(center); |
---|
1361 | double lenTitleX = this->XAxes[0]->ComputeTitleLength(center); |
---|
1362 | double lenTitleY = this->YAxes[0]->ComputeTitleLength(center); |
---|
1363 | double lenTitleZ = this->ZAxes[0]->ComputeTitleLength(center); |
---|
1364 | double maxLabelLength = this->MaxOf(lenX, lenY, lenZ, 0.); |
---|
1365 | double maxTitleLength = this->MaxOf(lenTitleX, lenTitleY, lenTitleZ, 0.); |
---|
1366 | double bWidth = this->Bounds[1] - this->Bounds[0]; |
---|
1367 | double bHeight = this->Bounds[3] - this->Bounds[2]; |
---|
1368 | |
---|
1369 | double bLength = sqrt(bWidth*bWidth + bHeight*bHeight); |
---|
1370 | |
---|
1371 | double target = bLength *0.04; |
---|
1372 | double labelscale = 1.; |
---|
1373 | if (maxLabelLength != 0.) |
---|
1374 | { |
---|
1375 | labelscale = target / maxLabelLength; |
---|
1376 | } |
---|
1377 | target = bLength *0.10; |
---|
1378 | double titlescale = 1.; |
---|
1379 | if (maxTitleLength != 0.) |
---|
1380 | { |
---|
1381 | titlescale = target / maxTitleLength; |
---|
1382 | } |
---|
1383 | |
---|
1384 | // |
---|
1385 | // Allow a bit bigger title if we have units, otherwise |
---|
1386 | // the title may be too small to read. |
---|
1387 | // |
---|
1388 | if (XUnits != NULL && XUnits[0] != '\0') |
---|
1389 | { |
---|
1390 | titlescale *= 2; |
---|
1391 | } |
---|
1392 | |
---|
1393 | for (i = 0; i < 4; i++) |
---|
1394 | { |
---|
1395 | this->XAxes[i]->SetLabelScale(labelscale); |
---|
1396 | this->YAxes[i]->SetLabelScale(labelscale); |
---|
1397 | this->ZAxes[i]->SetLabelScale(labelscale); |
---|
1398 | this->XAxes[i]->SetTitleScale(titlescale); |
---|
1399 | this->YAxes[i]->SetTitleScale(titlescale); |
---|
1400 | this->ZAxes[i]->SetTitleScale(titlescale); |
---|
1401 | } |
---|
1402 | } |
---|
1403 | this->RenderSomething = 1; |
---|
1404 | this->BuildTime.Modified(); |
---|
1405 | this->LastFlyMode = this->FlyMode; |
---|
1406 | } |
---|
1407 | |
---|
1408 | // ************************************************************************* |
---|
1409 | // Sends attributes to each vtkRpAxisActor. Only sets those that are |
---|
1410 | // not dependent upon viewport changes, and thus do not need to be set |
---|
1411 | // very often. |
---|
1412 | // |
---|
1413 | // Programmer: Kathleen Bonnell |
---|
1414 | // Creation: November 7, 2001 |
---|
1415 | // |
---|
1416 | // Modifications: |
---|
1417 | // Kathleen Bonnell, Thu Oct 3 14:33:15 PDT 2002 |
---|
1418 | // Disable lighting for the axes by setting the ambient coefficient to 1 |
---|
1419 | // and the diffuse coeeficient to 0. |
---|
1420 | // ************************************************************************* |
---|
1421 | |
---|
1422 | void vtkRpCubeAxesActor::SetNonDependentAttributes() |
---|
1423 | { |
---|
1424 | vtkProperty *prop = this->GetProperty(); |
---|
1425 | prop->SetAmbient(1.0); |
---|
1426 | prop->SetDiffuse(0.0); |
---|
1427 | for (int i = 0; i < 4; i++) |
---|
1428 | { |
---|
1429 | this->XAxes[i]->SetCamera(this->Camera); |
---|
1430 | this->XAxes[i]->SetProperty(prop); |
---|
1431 | this->XAxes[i]->SetTickLocation(this->TickLocation); |
---|
1432 | this->XAxes[i]->SetDrawGridlines(this->DrawXGridlines); |
---|
1433 | this->XAxes[i]->SetBounds(this->Bounds); |
---|
1434 | this->XAxes[i]->AxisVisibilityOn(); |
---|
1435 | this->XAxes[i]->SetLabelVisibility(this->XAxisLabelVisibility); |
---|
1436 | this->XAxes[i]->SetTitleVisibility(this->XAxisLabelVisibility); |
---|
1437 | this->XAxes[i]->SetTickVisibility(this->XAxisTickVisibility); |
---|
1438 | this->XAxes[i]->SetMinorTicksVisible(this->XAxisMinorTickVisibility); |
---|
1439 | |
---|
1440 | this->YAxes[i]->SetCamera(this->Camera); |
---|
1441 | this->YAxes[i]->SetProperty(prop); |
---|
1442 | this->YAxes[i]->SetTickLocation(this->TickLocation); |
---|
1443 | this->YAxes[i]->SetDrawGridlines(this->DrawYGridlines); |
---|
1444 | this->YAxes[i]->SetBounds(this->Bounds); |
---|
1445 | this->YAxes[i]->AxisVisibilityOn(); |
---|
1446 | this->YAxes[i]->SetLabelVisibility(this->YAxisLabelVisibility); |
---|
1447 | this->YAxes[i]->SetTitleVisibility(this->YAxisLabelVisibility); |
---|
1448 | this->YAxes[i]->SetTickVisibility(this->YAxisTickVisibility); |
---|
1449 | this->YAxes[i]->SetMinorTicksVisible(this->YAxisMinorTickVisibility); |
---|
1450 | |
---|
1451 | this->ZAxes[i]->SetCamera(this->Camera); |
---|
1452 | this->ZAxes[i]->SetProperty(prop); |
---|
1453 | this->ZAxes[i]->SetTickLocation(this->TickLocation); |
---|
1454 | this->ZAxes[i]->SetDrawGridlines(this->DrawZGridlines); |
---|
1455 | this->ZAxes[i]->SetBounds(this->Bounds); |
---|
1456 | this->ZAxes[i]->AxisVisibilityOn(); |
---|
1457 | this->ZAxes[i]->SetLabelVisibility(this->ZAxisLabelVisibility); |
---|
1458 | this->ZAxes[i]->SetTitleVisibility(this->ZAxisLabelVisibility); |
---|
1459 | this->ZAxes[i]->SetTickVisibility(this->ZAxisTickVisibility); |
---|
1460 | this->ZAxes[i]->SetMinorTicksVisible(this->ZAxisMinorTickVisibility); |
---|
1461 | } |
---|
1462 | } |
---|
1463 | |
---|
1464 | // Static variable describes locations in cube, relative to the type |
---|
1465 | // of axis: mm for an X-axis means the x-edge at min-y and min-z. |
---|
1466 | // mX for a Y-axis means the y-edge at min-x and max-z, and so on. |
---|
1467 | |
---|
1468 | enum {mm = 0, mX, XX, Xm }; |
---|
1469 | // |
---|
1470 | // For CLOSEST_TRIAD, and FURTHEST_TRIAD, this variable determines |
---|
1471 | // which locations in the cube each 'Major' axis should take. |
---|
1472 | // |
---|
1473 | static int vtkRpCubeAxesActorTriads[8][3] = { |
---|
1474 | {mm,mm,mm}, {mm,Xm,Xm}, {Xm,mm,mX}, {Xm,Xm,XX}, |
---|
1475 | {mX,mX,mm}, {mX,XX,Xm}, {XX,mX,mX}, {XX,XX,XX}}; |
---|
1476 | static int vtkRpCubeAxesActorConn[8][3] = {{1,2,4}, {0,3,5}, {3,0,6}, {2,1,7}, |
---|
1477 | {5,6,0}, {4,7,1}, {7,4,2}, {6,5,3}}; |
---|
1478 | |
---|
1479 | // ************************************************************************* |
---|
1480 | // Determine which of the axes in each coordinate direction actually should |
---|
1481 | // be rendered. For STATIC FlyMode, all axes are rendered. For other |
---|
1482 | // FlyModes, either 1 or 2 per coordinate direction are rendered. |
---|
1483 | // |
---|
1484 | // Programmer: Kathleen Bonnell |
---|
1485 | // Creation: November 7, 2001 |
---|
1486 | // |
---|
1487 | // Modifications: |
---|
1488 | // Kathleen Bonnell, Thu Jul 18 10:33:07 PDT 2002 |
---|
1489 | // Ensure that primary axes visibility flags are set properly, and |
---|
1490 | // that secondary axes visibility flags are turned off. |
---|
1491 | // ************************************************************************* |
---|
1492 | void vtkRpCubeAxesActor::DetermineRenderAxes(vtkViewport *viewport) |
---|
1493 | { |
---|
1494 | double bounds[6], slope = 0.0, minSlope, num, den; |
---|
1495 | double pts[8][3], d2, d2Min, min, max; |
---|
1496 | int i = 0, idx = 0; |
---|
1497 | int xIdx = 0, yIdx = 0, zIdx = 0, zIdx2 = 0; |
---|
1498 | int xAxes = 0, yAxes = 0, zAxes = 0, xloc = 0, yloc = 0, zloc = 0; |
---|
1499 | |
---|
1500 | if (this->FlyMode == VTK_FLY_STATIC_EDGES) |
---|
1501 | { |
---|
1502 | for (i = 0; i < 4; i++) |
---|
1503 | { |
---|
1504 | this->RenderAxesX[i] = i; |
---|
1505 | this->RenderAxesY[i] = i; |
---|
1506 | this->RenderAxesZ[i] = i; |
---|
1507 | } |
---|
1508 | this->NumberOfAxesX = this->NumberOfAxesY = this->NumberOfAxesZ = 4; |
---|
1509 | return; |
---|
1510 | } |
---|
1511 | if (this->FlyMode == VTK_FLY_STATIC_TRIAD) |
---|
1512 | { |
---|
1513 | this->RenderAxesX[0] = 0; |
---|
1514 | this->RenderAxesY[0] = 0; |
---|
1515 | this->RenderAxesZ[0] = 0; |
---|
1516 | if (this->DrawXGridlines && 0) |
---|
1517 | { |
---|
1518 | this->RenderAxesX[1] = 2; |
---|
1519 | this->NumberOfAxesX = 2; |
---|
1520 | this->XAxes[RenderAxesX[1]]->SetTickVisibility(0); |
---|
1521 | this->XAxes[RenderAxesX[1]]->SetLabelVisibility(0); |
---|
1522 | this->XAxes[RenderAxesX[1]]->SetTitleVisibility(0); |
---|
1523 | this->XAxes[RenderAxesX[1]]->SetMinorTicksVisible(0); |
---|
1524 | } |
---|
1525 | else |
---|
1526 | { |
---|
1527 | this->NumberOfAxesX = 1; |
---|
1528 | } |
---|
1529 | if (this->DrawYGridlines && 0) |
---|
1530 | { |
---|
1531 | this->RenderAxesY[1] = 2; |
---|
1532 | this->NumberOfAxesY = 2; |
---|
1533 | this->YAxes[RenderAxesY[1]]->SetTickVisibility(0); |
---|
1534 | this->YAxes[RenderAxesY[1]]->SetLabelVisibility(0); |
---|
1535 | this->YAxes[RenderAxesY[1]]->SetTitleVisibility(0); |
---|
1536 | this->YAxes[RenderAxesY[1]]->SetMinorTicksVisible(0); |
---|
1537 | } |
---|
1538 | else |
---|
1539 | { |
---|
1540 | this->NumberOfAxesY = 1; |
---|
1541 | } |
---|
1542 | if (this->DrawZGridlines && 0) |
---|
1543 | { |
---|
1544 | this->RenderAxesZ[1] = 2; |
---|
1545 | this->NumberOfAxesZ = 2; |
---|
1546 | this->ZAxes[RenderAxesZ[1]]->SetTickVisibility(0); |
---|
1547 | this->ZAxes[RenderAxesZ[1]]->SetLabelVisibility(0); |
---|
1548 | this->ZAxes[RenderAxesZ[1]]->SetTitleVisibility(0); |
---|
1549 | this->ZAxes[RenderAxesZ[1]]->SetMinorTicksVisible(0); |
---|
1550 | } |
---|
1551 | else |
---|
1552 | { |
---|
1553 | this->NumberOfAxesZ = 1; |
---|
1554 | } |
---|
1555 | return; |
---|
1556 | } |
---|
1557 | |
---|
1558 | // determine the bounds to use (input, prop, or user-defined) |
---|
1559 | this->GetBounds(bounds); |
---|
1560 | this->TransformBounds(viewport, bounds, pts); |
---|
1561 | |
---|
1562 | // Take into account the inertia. Process only so often. |
---|
1563 | if (this->RenderCount++ == 0 || !(this->RenderCount % this->Inertia)) |
---|
1564 | { |
---|
1565 | if (this->FlyMode == VTK_FLY_CLOSEST_TRIAD) |
---|
1566 | { |
---|
1567 | // Loop over points and find the closest point to the camera |
---|
1568 | min = VTK_LARGE_FLOAT; |
---|
1569 | for (i=0; i < 8; i++) |
---|
1570 | { |
---|
1571 | if (pts[i][2] < min) |
---|
1572 | { |
---|
1573 | idx = i; |
---|
1574 | min = pts[i][2]; |
---|
1575 | } |
---|
1576 | } |
---|
1577 | xloc = vtkRpCubeAxesActorTriads[idx][0]; |
---|
1578 | yloc = vtkRpCubeAxesActorTriads[idx][1]; |
---|
1579 | zloc = vtkRpCubeAxesActorTriads[idx][2]; |
---|
1580 | |
---|
1581 | } // closest-triad |
---|
1582 | else if (this->FlyMode == VTK_FLY_FURTHEST_TRIAD) |
---|
1583 | { |
---|
1584 | // Loop over points and find the furthest point from the camera |
---|
1585 | max = -VTK_LARGE_FLOAT; |
---|
1586 | for (i=0; i < 8; i++) |
---|
1587 | { |
---|
1588 | if (pts[i][2] > max) |
---|
1589 | { |
---|
1590 | idx = i; |
---|
1591 | max = pts[i][2]; |
---|
1592 | } |
---|
1593 | } |
---|
1594 | xloc = vtkRpCubeAxesActorTriads[idx][0]; |
---|
1595 | yloc = vtkRpCubeAxesActorTriads[idx][1]; |
---|
1596 | zloc = vtkRpCubeAxesActorTriads[idx][2]; |
---|
1597 | |
---|
1598 | } // furthest-triad |
---|
1599 | else |
---|
1600 | { |
---|
1601 | double e1[3], e2[3], e3[3]; |
---|
1602 | |
---|
1603 | // Find distance to origin |
---|
1604 | d2Min = VTK_LARGE_FLOAT; |
---|
1605 | for (i=0; i < 8; i++) |
---|
1606 | { |
---|
1607 | d2 = pts[i][0]*pts[i][0] + pts[i][1]*pts[i][1]; |
---|
1608 | if (d2 < d2Min) |
---|
1609 | { |
---|
1610 | d2Min = d2; |
---|
1611 | idx = i; |
---|
1612 | } |
---|
1613 | } |
---|
1614 | |
---|
1615 | // find minimum slope point connected to closest point and on |
---|
1616 | // right side (in projected coordinates). This is the first edge. |
---|
1617 | minSlope = VTK_LARGE_FLOAT; |
---|
1618 | for (xIdx=0, i=0; i<3; i++) |
---|
1619 | { |
---|
1620 | num = (pts[vtkRpCubeAxesActorConn[idx][i]][1] - pts[idx][1]); |
---|
1621 | den = (pts[vtkRpCubeAxesActorConn[idx][i]][0] - pts[idx][0]); |
---|
1622 | if (den != 0.0) |
---|
1623 | { |
---|
1624 | slope = num / den; |
---|
1625 | } |
---|
1626 | if (slope < minSlope && den > 0) |
---|
1627 | { |
---|
1628 | xIdx = vtkRpCubeAxesActorConn[idx][i]; |
---|
1629 | yIdx = vtkRpCubeAxesActorConn[idx][(i+1)%3]; |
---|
1630 | zIdx = vtkRpCubeAxesActorConn[idx][(i+2)%3]; |
---|
1631 | xAxes = i; |
---|
1632 | minSlope = slope; |
---|
1633 | } |
---|
1634 | } |
---|
1635 | |
---|
1636 | // find edge (connected to closest point) on opposite side |
---|
1637 | for ( i=0; i<3; i++) |
---|
1638 | { |
---|
1639 | e1[i] = (pts[xIdx][i] - pts[idx][i]); |
---|
1640 | e2[i] = (pts[yIdx][i] - pts[idx][i]); |
---|
1641 | e3[i] = (pts[zIdx][i] - pts[idx][i]); |
---|
1642 | } |
---|
1643 | vtkMath::Normalize(e1); |
---|
1644 | vtkMath::Normalize(e2); |
---|
1645 | vtkMath::Normalize(e3); |
---|
1646 | |
---|
1647 | if (vtkMath::Dot(e1,e2) < vtkMath::Dot(e1,e3)) |
---|
1648 | { |
---|
1649 | yAxes = (xAxes + 1) % 3; |
---|
1650 | } |
---|
1651 | else |
---|
1652 | { |
---|
1653 | yIdx = zIdx; |
---|
1654 | yAxes = (xAxes + 2) % 3; |
---|
1655 | } |
---|
1656 | |
---|
1657 | // Find the final point by determining which global x-y-z axes have not |
---|
1658 | // been represented, and then determine the point closest to the viewer. |
---|
1659 | zAxes = (xAxes != 0 && yAxes != 0 ? 0 : |
---|
1660 | (xAxes != 1 && yAxes != 1 ? 1 : 2)); |
---|
1661 | if (pts[vtkRpCubeAxesActorConn[xIdx][zAxes]][2] < |
---|
1662 | pts[vtkRpCubeAxesActorConn[yIdx][zAxes]][2]) |
---|
1663 | { |
---|
1664 | zIdx = xIdx; |
---|
1665 | zIdx2 = vtkRpCubeAxesActorConn[xIdx][zAxes]; |
---|
1666 | } |
---|
1667 | else |
---|
1668 | { |
---|
1669 | zIdx = yIdx; |
---|
1670 | zIdx2 = vtkRpCubeAxesActorConn[yIdx][zAxes]; |
---|
1671 | } |
---|
1672 | |
---|
1673 | int mini = (idx < xIdx ? idx : xIdx); |
---|
1674 | switch (xAxes) |
---|
1675 | { |
---|
1676 | case 0: |
---|
1677 | xloc = vtkRpCubeAxesActorTriads[mini][0]; |
---|
1678 | break; |
---|
1679 | case 1: |
---|
1680 | yloc = vtkRpCubeAxesActorTriads[mini][1]; |
---|
1681 | break; |
---|
1682 | case 2: |
---|
1683 | zloc = vtkRpCubeAxesActorTriads[mini][2]; |
---|
1684 | break; |
---|
1685 | } |
---|
1686 | mini = (idx < yIdx ? idx : yIdx); |
---|
1687 | switch (yAxes) |
---|
1688 | { |
---|
1689 | case 0: |
---|
1690 | xloc = vtkRpCubeAxesActorTriads[mini][0]; |
---|
1691 | break; |
---|
1692 | case 1: |
---|
1693 | yloc =vtkRpCubeAxesActorTriads[mini][1]; |
---|
1694 | break; |
---|
1695 | case 2: |
---|
1696 | zloc = vtkRpCubeAxesActorTriads[mini][2]; |
---|
1697 | break; |
---|
1698 | } |
---|
1699 | mini = (zIdx < zIdx2 ? zIdx : zIdx2); |
---|
1700 | switch (zAxes) |
---|
1701 | { |
---|
1702 | case 0: |
---|
1703 | xloc = vtkRpCubeAxesActorTriads[mini][0]; |
---|
1704 | break; |
---|
1705 | case 1: |
---|
1706 | yloc = vtkRpCubeAxesActorTriads[mini][1]; |
---|
1707 | break; |
---|
1708 | case 2: |
---|
1709 | zloc = vtkRpCubeAxesActorTriads[mini][2]; |
---|
1710 | break; |
---|
1711 | } |
---|
1712 | |
---|
1713 | }//else boundary edges fly mode |
---|
1714 | |
---|
1715 | this->InertiaLocs[0] = xloc; |
---|
1716 | this->InertiaLocs[1] = yloc; |
---|
1717 | this->InertiaLocs[2] = zloc; |
---|
1718 | } //inertia |
---|
1719 | else |
---|
1720 | { |
---|
1721 | // don't change anything, use locations from last render |
---|
1722 | xloc = this->InertiaLocs[0]; |
---|
1723 | yloc = this->InertiaLocs[1]; |
---|
1724 | zloc = this->InertiaLocs[2]; |
---|
1725 | } |
---|
1726 | |
---|
1727 | this->RenderAxesX[0] = xloc % 4; |
---|
1728 | if (this->DrawXGridlines && 0) |
---|
1729 | { |
---|
1730 | this->RenderAxesX[1] = (xloc + 2) % 4; |
---|
1731 | this->NumberOfAxesX = 2; |
---|
1732 | this->XAxes[RenderAxesX[1]]->SetTickVisibility(0); |
---|
1733 | this->XAxes[RenderAxesX[1]]->SetLabelVisibility(0); |
---|
1734 | this->XAxes[RenderAxesX[1]]->SetTitleVisibility(0); |
---|
1735 | this->XAxes[RenderAxesX[1]]->SetMinorTicksVisible(0); |
---|
1736 | } |
---|
1737 | else |
---|
1738 | { |
---|
1739 | this->NumberOfAxesX = 1; |
---|
1740 | } |
---|
1741 | |
---|
1742 | this->RenderAxesY[0] = yloc % 4; |
---|
1743 | if (this->DrawYGridlines && 0) |
---|
1744 | { |
---|
1745 | this->RenderAxesY[1] = (yloc + 2) % 4; |
---|
1746 | this->NumberOfAxesY = 2; |
---|
1747 | this->YAxes[RenderAxesY[1]]->SetTickVisibility(0); |
---|
1748 | this->YAxes[RenderAxesY[1]]->SetLabelVisibility(0); |
---|
1749 | this->YAxes[RenderAxesY[1]]->SetTitleVisibility(0); |
---|
1750 | this->YAxes[RenderAxesY[1]]->SetMinorTicksVisible(0); |
---|
1751 | } |
---|
1752 | else |
---|
1753 | { |
---|
1754 | this->NumberOfAxesY = 1; |
---|
1755 | } |
---|
1756 | |
---|
1757 | this->RenderAxesZ[0] = zloc % 4; |
---|
1758 | if (this->DrawZGridlines && 0) |
---|
1759 | { |
---|
1760 | this->RenderAxesZ[1] = (zloc + 2) % 4; |
---|
1761 | this->NumberOfAxesZ = 2; |
---|
1762 | this->ZAxes[RenderAxesZ[1]]->SetTickVisibility(0); |
---|
1763 | this->ZAxes[RenderAxesZ[1]]->SetLabelVisibility(0); |
---|
1764 | this->ZAxes[RenderAxesZ[1]]->SetTitleVisibility(0); |
---|
1765 | this->ZAxes[RenderAxesZ[1]]->SetMinorTicksVisible(0); |
---|
1766 | } |
---|
1767 | else |
---|
1768 | { |
---|
1769 | this->NumberOfAxesZ = 1; |
---|
1770 | } |
---|
1771 | // |
---|
1772 | // Make sure that the primary axis visibility flags are set correctly. |
---|
1773 | // |
---|
1774 | this->XAxes[RenderAxesX[0]]->SetLabelVisibility(this->XAxisLabelVisibility); |
---|
1775 | this->XAxes[RenderAxesX[0]]->SetTitleVisibility(this->XAxisLabelVisibility); |
---|
1776 | this->XAxes[RenderAxesX[0]]->SetTickVisibility(this->XAxisTickVisibility); |
---|
1777 | this->XAxes[RenderAxesX[0]]->SetMinorTicksVisible( |
---|
1778 | this->XAxisMinorTickVisibility); |
---|
1779 | this->XAxes[RenderAxesX[0]]->SetDrawGridlines(this->DrawXGridlines); |
---|
1780 | |
---|
1781 | this->YAxes[RenderAxesY[0]]->SetLabelVisibility(this->YAxisLabelVisibility); |
---|
1782 | this->YAxes[RenderAxesY[0]]->SetTitleVisibility(this->YAxisLabelVisibility); |
---|
1783 | this->YAxes[RenderAxesY[0]]->SetTickVisibility(this->YAxisTickVisibility); |
---|
1784 | this->YAxes[RenderAxesY[0]]->SetMinorTicksVisible( |
---|
1785 | this->YAxisMinorTickVisibility); |
---|
1786 | this->YAxes[RenderAxesY[0]]->SetDrawGridlines(this->DrawYGridlines); |
---|
1787 | |
---|
1788 | this->ZAxes[RenderAxesZ[0]]->SetLabelVisibility(this->ZAxisLabelVisibility); |
---|
1789 | this->ZAxes[RenderAxesZ[0]]->SetTitleVisibility(this->ZAxisLabelVisibility); |
---|
1790 | this->ZAxes[RenderAxesZ[0]]->SetTickVisibility(this->ZAxisTickVisibility); |
---|
1791 | this->ZAxes[RenderAxesZ[0]]->SetMinorTicksVisible( |
---|
1792 | this->ZAxisMinorTickVisibility); |
---|
1793 | this->ZAxes[RenderAxesZ[0]]->SetDrawGridlines(this->DrawZGridlines); |
---|
1794 | } |
---|
1795 | |
---|
1796 | double vtkRpCubeAxesActor::MaxOf(double a, double b) |
---|
1797 | { |
---|
1798 | return (a > b ? a : b); |
---|
1799 | } |
---|
1800 | |
---|
1801 | double vtkRpCubeAxesActor::MaxOf(double a, double b, double c, double d) |
---|
1802 | { |
---|
1803 | return this->MaxOf(this->MaxOf(a, b), this->MaxOf(c, d)); |
---|
1804 | } |
---|
1805 | |
---|
1806 | inline double vtkRpCubeAxesActor::FFix(double value) |
---|
1807 | { |
---|
1808 | int ivalue = static_cast<int>(value); |
---|
1809 | return ivalue; |
---|
1810 | } |
---|
1811 | |
---|
1812 | inline double vtkRpCubeAxesActor::FSign(double value, double sign) |
---|
1813 | { |
---|
1814 | value = fabs(value); |
---|
1815 | if (sign < 0.) |
---|
1816 | { |
---|
1817 | value *= -1.; |
---|
1818 | } |
---|
1819 | return value; |
---|
1820 | } |
---|
1821 | |
---|
1822 | // ******************************************************************* |
---|
1823 | // Method: vtkRpCubeAxesActor::AdjustTicksComputeRange |
---|
1824 | // |
---|
1825 | // Purpose: Sets private members controlling the number and position |
---|
1826 | // of ticks. |
---|
1827 | // |
---|
1828 | // Arguments: |
---|
1829 | // inRange The range for this axis. |
---|
1830 | // |
---|
1831 | // Note: The bulk of this method was taken from vtkHankAxisActor.C |
---|
1832 | // The original method was reduced to serve the purposes |
---|
1833 | // of this class. |
---|
1834 | // |
---|
1835 | // Programmer: Kathleen Bonnell |
---|
1836 | // Creation: 29 August, 2001 |
---|
1837 | // |
---|
1838 | // Modifications: |
---|
1839 | // Kathleen Bonnell, Fri Jul 25 14:37:32 PDT 2003 |
---|
1840 | // Moved from vtkRpAxisActor. Added calls to set inividual axis' |
---|
1841 | // MajorStart, MinorStart, deltaMajor, deltaMinor. |
---|
1842 | // |
---|
1843 | // ******************************************************************* |
---|
1844 | |
---|
1845 | void vtkRpCubeAxesActor::AdjustTicksComputeRange(vtkRpAxisActor *axes[4], |
---|
1846 | double boundsMin, double boundsMax) |
---|
1847 | { |
---|
1848 | double sortedRange[2], range; |
---|
1849 | double fxt, fnt, frac; |
---|
1850 | double div, major, minor; |
---|
1851 | double majorStart, minorStart; |
---|
1852 | int numTicks; |
---|
1853 | double *inRange = axes[0]->GetRange(); |
---|
1854 | |
---|
1855 | sortedRange[0] = inRange[0] < inRange[1] ? inRange[0] : inRange[1]; |
---|
1856 | sortedRange[1] = inRange[0] > inRange[1] ? inRange[0] : inRange[1]; |
---|
1857 | |
---|
1858 | range = sortedRange[1] - sortedRange[0]; |
---|
1859 | |
---|
1860 | // Find the integral points. |
---|
1861 | double pow10 = log10(range); |
---|
1862 | |
---|
1863 | // Build in numerical tolerance |
---|
1864 | if (pow10 != 0.) |
---|
1865 | { |
---|
1866 | double eps = 10.0e-10; |
---|
1867 | pow10 = this->FSign((fabs(pow10) + eps), pow10); |
---|
1868 | } |
---|
1869 | |
---|
1870 | // FFix move you in the wrong direction if pow10 is negative. |
---|
1871 | if (pow10 < 0.) |
---|
1872 | { |
---|
1873 | pow10 = pow10 - 1.; |
---|
1874 | } |
---|
1875 | |
---|
1876 | fxt = pow(10., this->FFix(pow10)); |
---|
1877 | |
---|
1878 | // Find the number of integral points in the interval. |
---|
1879 | fnt = range/fxt; |
---|
1880 | fnt = this->FFix(fnt); |
---|
1881 | frac = fnt; |
---|
1882 | numTicks = frac <= 0.5 ? static_cast<int>(this->FFix(fnt)) : static_cast<int>(this->FFix(fnt) + 1); |
---|
1883 | |
---|
1884 | div = 1.; |
---|
1885 | if (numTicks < 5) |
---|
1886 | { |
---|
1887 | div = 2.; |
---|
1888 | } |
---|
1889 | if (numTicks <= 2) |
---|
1890 | { |
---|
1891 | div = 5.; |
---|
1892 | } |
---|
1893 | |
---|
1894 | // If there aren't enough major tick points in this decade, use the next |
---|
1895 | // decade. |
---|
1896 | major = fxt; |
---|
1897 | if (div != 1.) |
---|
1898 | { |
---|
1899 | major /= div; |
---|
1900 | } |
---|
1901 | minor = (fxt/div) / 10.; |
---|
1902 | |
---|
1903 | // Figure out the first major and minor tick locations, relative to the |
---|
1904 | // start of the axis. |
---|
1905 | if (sortedRange[0] <= 0.) |
---|
1906 | { |
---|
1907 | majorStart = major*(this->FFix(sortedRange[0]*(1./major)) + 0.); |
---|
1908 | minorStart = minor*(this->FFix(sortedRange[0]*(1./minor)) + 0.); |
---|
1909 | } |
---|
1910 | else |
---|
1911 | { |
---|
1912 | majorStart = major*(this->FFix(sortedRange[0]*(1./major)) + 1.); |
---|
1913 | minorStart = minor*(this->FFix(sortedRange[0]*(1./minor)) + 1.); |
---|
1914 | } |
---|
1915 | |
---|
1916 | for (int i = 0; i < 4; i++) |
---|
1917 | { |
---|
1918 | axes[i]->SetMinorRangeStart(minorStart); |
---|
1919 | axes[i]->SetMajorRangeStart(majorStart); |
---|
1920 | axes[i]->SetDeltaRangeMinor(minor); |
---|
1921 | axes[i]->SetDeltaRangeMajor(major); |
---|
1922 | } |
---|
1923 | |
---|
1924 | double t; |
---|
1925 | t = (minorStart - sortedRange[0])/range; |
---|
1926 | minorStart = t * boundsMax + (1-t) * boundsMin; |
---|
1927 | t = (majorStart - sortedRange[0])/range; |
---|
1928 | majorStart = t * boundsMax + (1-t) * boundsMin; |
---|
1929 | const double scale = (boundsMax - boundsMin) / range; |
---|
1930 | minor *= scale; |
---|
1931 | major *= scale; |
---|
1932 | |
---|
1933 | for (int i = 0; i < 4; i++) |
---|
1934 | { |
---|
1935 | axes[i]->SetMinorStart(minorStart); |
---|
1936 | axes[i]->SetMajorStart(majorStart); |
---|
1937 | |
---|
1938 | axes[i]->SetDeltaMinor(minor); |
---|
1939 | axes[i]->SetDeltaMajor(major); |
---|
1940 | } |
---|
1941 | } |
---|
1942 | |
---|
1943 | // **************************************************************** |
---|
1944 | // Determine what the labels should be and set them in each axis. |
---|
1945 | // |
---|
1946 | // Modification: |
---|
1947 | // Kathleen Bonnell, Wed Aug 6 13:59:15 PDT 2003 |
---|
1948 | // Each axis type now has it's own 'mustAdjustValue' and 'pow'. |
---|
1949 | // |
---|
1950 | // Kathleen Bonnell, Tue Jul 20 14:29:10 PDT 2004 |
---|
1951 | // Ensure that '-0.0' is never used as a label. |
---|
1952 | // |
---|
1953 | // Eric Brugger, Mon Jul 26 16:09:26 PDT 2004 |
---|
1954 | // Correct a bug with a misplaced closing parenthesis. |
---|
1955 | // |
---|
1956 | // **************************************************************** |
---|
1957 | |
---|
1958 | void vtkRpCubeAxesActor::BuildLabels(vtkRpAxisActor *axes[4]) |
---|
1959 | { |
---|
1960 | char label[64]; |
---|
1961 | int i, labelCount = 0; |
---|
1962 | double deltaMajor = axes[0]->GetDeltaMajor(); |
---|
1963 | const double *p2 = axes[0]->GetPoint2Coordinate()->GetValue(); |
---|
1964 | double *range = axes[0]->GetRange(); |
---|
1965 | double lastVal = 0, val = axes[0]->GetMajorStart(); |
---|
1966 | double extents = range[1] - range[0]; |
---|
1967 | bool mustAdjustValue = 0; |
---|
1968 | int lastPow = 0; |
---|
1969 | |
---|
1970 | vtkStringArray *labels = vtkStringArray::New(); |
---|
1971 | const char *format = "%s"; |
---|
1972 | switch (axes[0]->GetAxisType()) |
---|
1973 | { |
---|
1974 | case VTK_AXIS_TYPE_X: |
---|
1975 | lastVal = p2[0]; |
---|
1976 | format = this->XLabelFormat; |
---|
1977 | mustAdjustValue = this->MustAdjustXValue; |
---|
1978 | lastPow = this->LastXPow; |
---|
1979 | break; |
---|
1980 | case VTK_AXIS_TYPE_Y: |
---|
1981 | lastVal = p2[1]; |
---|
1982 | format = this->YLabelFormat; |
---|
1983 | mustAdjustValue = this->MustAdjustYValue; |
---|
1984 | lastPow = this->LastYPow; |
---|
1985 | break; |
---|
1986 | case VTK_AXIS_TYPE_Z: |
---|
1987 | lastVal = p2[2]; |
---|
1988 | format = this->ZLabelFormat; |
---|
1989 | mustAdjustValue = this->MustAdjustZValue; |
---|
1990 | lastPow = this->LastZPow; |
---|
1991 | break; |
---|
1992 | } |
---|
1993 | |
---|
1994 | // figure out how many labels we need: |
---|
1995 | while (val <= lastVal && labelCount < VTK_MAX_LABELS) |
---|
1996 | { |
---|
1997 | labelCount++; |
---|
1998 | val += deltaMajor; |
---|
1999 | } |
---|
2000 | |
---|
2001 | labels->SetNumberOfValues(labelCount); |
---|
2002 | |
---|
2003 | val = axes[0]->GetMajorRangeStart(); |
---|
2004 | deltaMajor = axes[0]->GetDeltaRangeMajor(); |
---|
2005 | |
---|
2006 | double scaleFactor = 1.; |
---|
2007 | if (lastPow != 0) |
---|
2008 | { |
---|
2009 | scaleFactor = 1.0/pow(10., lastPow); |
---|
2010 | } |
---|
2011 | |
---|
2012 | for (i = 0; i < labelCount; i++) |
---|
2013 | { |
---|
2014 | if (fabs(val) < 0.01 && extents > 1) |
---|
2015 | { |
---|
2016 | // We just happened to fall at something near zero and the range is |
---|
2017 | // large, so set it to zero to avoid ugliness. |
---|
2018 | val = 0.; |
---|
2019 | } |
---|
2020 | if (mustAdjustValue) |
---|
2021 | { |
---|
2022 | sprintf(label, format, val*scaleFactor); |
---|
2023 | } |
---|
2024 | else |
---|
2025 | { |
---|
2026 | sprintf(label, format, val); |
---|
2027 | } |
---|
2028 | if (fabs(val) < 0.01) |
---|
2029 | { |
---|
2030 | // |
---|
2031 | // Ensure that -0.0 is never a label |
---|
2032 | // The maximum number of digits that we allow past the decimal is 5. |
---|
2033 | // |
---|
2034 | if (strcmp(label, "-0") == 0) |
---|
2035 | { |
---|
2036 | sprintf(label, "0"); |
---|
2037 | } |
---|
2038 | else if (strcmp(label, "-0.0") == 0) |
---|
2039 | { |
---|
2040 | sprintf(label, "0.0"); |
---|
2041 | } |
---|
2042 | else if (strcmp(label, "-0.00") == 0) |
---|
2043 | { |
---|
2044 | sprintf(label, "0.00"); |
---|
2045 | } |
---|
2046 | else if (strcmp(label, "-0.000") == 0) |
---|
2047 | { |
---|
2048 | sprintf(label, "0.000"); |
---|
2049 | } |
---|
2050 | else if (strcmp(label, "-0.0000") == 0) |
---|
2051 | { |
---|
2052 | sprintf(label, "0.0000"); |
---|
2053 | } |
---|
2054 | else if (strcmp(label, "-0.00000") == 0) |
---|
2055 | { |
---|
2056 | sprintf(label, "0.00000"); |
---|
2057 | } |
---|
2058 | } |
---|
2059 | labels->SetValue(i, label); |
---|
2060 | val += deltaMajor; |
---|
2061 | } |
---|
2062 | for (i = 0; i < 4; i++) |
---|
2063 | { |
---|
2064 | axes[i]->SetLabels(labels); |
---|
2065 | } |
---|
2066 | labels->Delete(); |
---|
2067 | } |
---|
2068 | |
---|
2069 | // **************************************************************************** |
---|
2070 | // Set automatic label scaling mode, set exponents for each axis type. |
---|
2071 | // |
---|
2072 | // **************************************************************************** |
---|
2073 | void vtkRpCubeAxesActor::SetLabelScaling(bool autoscale, int upowX, int upowY, |
---|
2074 | int upowZ) |
---|
2075 | { |
---|
2076 | if (autoscale != this->AutoLabelScaling || upowX != this->UserXPow || |
---|
2077 | upowY != this->UserYPow || upowZ != this->UserZPow) |
---|
2078 | { |
---|
2079 | this->AutoLabelScaling = autoscale; |
---|
2080 | this->UserXPow = upowX; |
---|
2081 | this->UserYPow = upowY; |
---|
2082 | this->UserZPow = upowZ; |
---|
2083 | this->Modified(); |
---|
2084 | } |
---|
2085 | } |
---|