1 | |
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2 | # ---------------------------------------------------------------------- |
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3 | # COMPONENT: vtkviewer - Vtk drawing object viewer |
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4 | # |
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5 | # It connects to the Vtk server running on a rendering farm, |
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6 | # transmits data, and displays the results. |
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7 | # ====================================================================== |
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8 | # AUTHOR: Michael McLennan, Purdue University |
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9 | # Copyright (c) 2004-2005 Purdue Research Foundation |
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10 | # |
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11 | # See the file "license.terms" for information on usage and |
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12 | # redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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13 | # ====================================================================== |
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14 | package require Itk |
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15 | package require BLT |
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16 | #package require Img |
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17 | |
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18 | option add *VtkViewer.width 4i widgetDefault |
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19 | option add *VtkViewer*cursor crosshair widgetDefault |
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20 | option add *VtkViewer.height 4i widgetDefault |
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21 | option add *VtkViewer.foreground black widgetDefault |
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22 | option add *VtkViewer.controlBackground gray widgetDefault |
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23 | option add *VtkViewer.controlDarkBackground #999999 widgetDefault |
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24 | option add *VtkViewer.plotBackground black widgetDefault |
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25 | option add *VtkViewer.plotForeground white widgetDefault |
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26 | option add *VtkViewer.font \ |
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27 | -*-helvetica-medium-r-normal-*-12-* widgetDefault |
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28 | |
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29 | # must use this name -- plugs into Rappture::resources::load |
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30 | proc VtkViewer_init_resources {} { |
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31 | Rappture::resources::register \ |
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32 | vtkvis_server Rappture::VtkViewer::SetServerList |
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33 | } |
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34 | |
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35 | itcl::class Rappture::VtkViewer { |
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36 | inherit Rappture::VisViewer |
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37 | |
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38 | itk_option define -plotforeground plotForeground Foreground "" |
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39 | itk_option define -plotbackground plotBackground Background "" |
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40 | |
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41 | constructor { hostlist args } { |
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42 | Rappture::VisViewer::constructor $hostlist |
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43 | } { |
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44 | # defined below |
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45 | } |
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46 | destructor { |
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47 | # defined below |
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48 | } |
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49 | public proc SetServerList { namelist } { |
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50 | Rappture::VisViewer::SetServerList "vtkvis" $namelist |
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51 | } |
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52 | public method add {dataobj {settings ""}} |
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53 | public method camera {option args} |
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54 | public method delete {args} |
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55 | public method disconnect {} |
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56 | public method download {option args} |
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57 | public method get {args} |
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58 | public method isconnected {} |
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59 | public method limits { colormap } |
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60 | public method sendto { string } |
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61 | public method parameters {title args} { |
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62 | # do nothing |
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63 | } |
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64 | public method scale {args} |
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65 | |
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66 | protected method Connect {} |
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67 | protected method CurrentDatasets {args} |
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68 | protected method Disconnect {} |
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69 | protected method DoResize {} |
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70 | protected method FixSettings {what {value ""}} |
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71 | protected method Pan {option x y} |
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72 | protected method Rebuild {} |
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73 | protected method ReceiveDataset { args } |
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74 | protected method ReceiveImage { args } |
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75 | protected method Rotate {option x y} |
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76 | protected method SendCmd {string} |
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77 | protected method Zoom {option} |
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78 | |
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79 | # The following methods are only used by this class. |
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80 | private method BuildCameraTab {} |
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81 | private method BuildViewTab {} |
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82 | private method BuildAxisTab {} |
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83 | private method BuildColormap { colormap dataobj comp } |
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84 | private method EventuallyResize { w h } |
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85 | private method SetStyles { dataobj comp } |
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86 | private method PanCamera {} |
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87 | private method ConvertToVtkData { dataobj comp } |
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88 | private method GetImage { args } |
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89 | private method GetVtkData { args } |
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90 | private method BuildDownloadPopup { widget command } |
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91 | private method SetObjectStyle { dataobj comp } |
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92 | private method IsValidObject { dataobj } |
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93 | |
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94 | private variable _arcball "" |
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95 | private variable _outbuf ;# buffer for outgoing commands |
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96 | |
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97 | private variable _dlist "" ;# list of data objects |
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98 | private variable _allDataObjs |
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99 | private variable _obj2datasets |
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100 | private variable _obj2ovride ;# maps dataobj => style override |
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101 | private variable _datasets ;# contains all the dataobj-component |
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102 | ;# datasets in the server |
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103 | private variable _colormaps ;# contains all the colormaps |
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104 | ;# in the server. |
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105 | private variable _dataset2style ;# maps dataobj-component to transfunc |
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106 | private variable _style2datasets ;# maps tf back to list of |
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107 | # dataobj-components using the tf. |
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108 | |
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109 | private variable _click ;# info used for rotate operations |
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110 | private variable _limits ;# autoscale min/max for all axes |
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111 | private variable _view ;# view params for 3D view |
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112 | private common _settings |
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113 | private variable _reset 1 ;# indicates if camera needs to be reset |
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114 | # to starting position. |
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115 | |
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116 | # Array of transfer functions in server. If 0 the transfer has been |
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117 | # defined but not loaded. If 1 the transfer function has been named |
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118 | # and loaded. |
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119 | private variable _first "" ;# This is the topmost dataset. |
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120 | private variable _start 0 |
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121 | private variable _buffering 0 |
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122 | |
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123 | # This indicates which isomarkers and transfer function to use when |
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124 | # changing markers, opacity, or thickness. |
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125 | common _downloadPopup ;# download options from popup |
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126 | private common _hardcopy |
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127 | private variable _width 0 |
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128 | private variable _height 0 |
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129 | private variable _resizePending 0 |
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130 | private variable _outline |
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131 | } |
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132 | |
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133 | itk::usual VtkViewer { |
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134 | keep -background -foreground -cursor -font |
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135 | keep -plotbackground -plotforeground |
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136 | } |
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137 | |
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138 | # ---------------------------------------------------------------------- |
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139 | # CONSTRUCTOR |
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140 | # ---------------------------------------------------------------------- |
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141 | itcl::body Rappture::VtkViewer::constructor {hostlist args} { |
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142 | # Rebuild event |
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143 | $_dispatcher register !rebuild |
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144 | $_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list" |
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145 | |
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146 | # Resize event |
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147 | $_dispatcher register !resize |
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148 | $_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list" |
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149 | |
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150 | set _outbuf "" |
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151 | |
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152 | # |
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153 | # Populate parser with commands handle incoming requests |
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154 | # |
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155 | $_parser alias image [itcl::code $this ReceiveImage] |
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156 | $_parser alias dataset [itcl::code $this ReceiveDataset] |
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157 | |
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158 | array set _outline { |
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159 | id -1 |
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160 | afterId -1 |
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161 | x1 -1 |
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162 | y1 -1 |
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163 | x2 -1 |
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164 | y2 -1 |
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165 | } |
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166 | # Initialize the view to some default parameters. |
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167 | array set _view { |
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168 | qx 0 |
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169 | qy 0 |
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170 | qz 0 |
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171 | qw 1 |
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172 | zoom 1.0 |
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173 | pan-x 0 |
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174 | pan-y 0 |
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175 | zoom-x 1.0 |
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176 | zoom-y 1.0 |
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177 | } |
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178 | set _arcball [blt::arcball create 100 100] |
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179 | set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)] |
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180 | $_arcball quaternion $q |
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181 | |
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182 | set _limits(vmin) 0.0 |
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183 | set _limits(vmax) 1.0 |
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184 | |
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185 | array set _settings [subst { |
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186 | $this-axes 1 |
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187 | $this-edges 1 |
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188 | $this-lighting 1 |
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189 | $this-opacity 100 |
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190 | $this-volume 1 |
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191 | $this-wireframe 0 |
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192 | $this-grid-x 0 |
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193 | $this-grid-y 0 |
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194 | $this-grid-z 0 |
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195 | }] |
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196 | |
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197 | itk_component add view { |
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198 | canvas $itk_component(plotarea).view \ |
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199 | -highlightthickness 0 -borderwidth 0 |
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200 | } { |
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201 | usual |
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202 | ignore -highlightthickness -borderwidth -background |
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203 | } |
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204 | |
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205 | set c $itk_component(view) |
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206 | bind $c <Configure> [itcl::code $this EventuallyResize %w %h] |
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207 | bind $c <4> [itcl::code $this Zoom in 0.25] |
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208 | bind $c <5> [itcl::code $this Zoom out 0.25] |
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209 | bind $c <KeyPress-Left> [list %W xview scroll 10 units] |
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210 | bind $c <KeyPress-Right> [list %W xview scroll -10 units] |
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211 | bind $c <KeyPress-Up> [list %W yview scroll 10 units] |
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212 | bind $c <KeyPress-Down> [list %W yview scroll -10 units] |
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213 | bind $c <Enter> "focus %W" |
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214 | |
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215 | # Fix the scrollregion in case we go off screen |
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216 | $c configure -scrollregion [$c bbox all] |
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217 | |
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218 | set _map(id) [$c create image 0 0 -anchor nw -image $_image(plot)] |
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219 | set _map(cwidth) -1 |
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220 | set _map(cheight) -1 |
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221 | set _map(zoom) 1.0 |
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222 | set _map(original) "" |
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223 | |
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224 | set f [$itk_component(main) component controls] |
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225 | itk_component add reset { |
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226 | button $f.reset -borderwidth 1 -padx 1 -pady 1 \ |
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227 | -highlightthickness 0 \ |
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228 | -image [Rappture::icon reset-view] \ |
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229 | -command [itcl::code $this Zoom reset] |
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230 | } { |
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231 | usual |
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232 | ignore -highlightthickness |
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233 | } |
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234 | pack $itk_component(reset) -side top -padx 2 -pady 2 |
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235 | Rappture::Tooltip::for $itk_component(reset) "Reset the view to the default zoom level" |
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236 | |
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237 | itk_component add zoomin { |
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238 | button $f.zin -borderwidth 1 -padx 1 -pady 1 \ |
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239 | -highlightthickness 0 \ |
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240 | -image [Rappture::icon zoom-in] \ |
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241 | -command [itcl::code $this Zoom in] |
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242 | } { |
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243 | usual |
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244 | ignore -highlightthickness |
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245 | } |
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246 | pack $itk_component(zoomin) -side top -padx 2 -pady 2 |
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247 | Rappture::Tooltip::for $itk_component(zoomin) "Zoom in" |
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248 | |
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249 | itk_component add zoomout { |
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250 | button $f.zout -borderwidth 1 -padx 1 -pady 1 \ |
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251 | -highlightthickness 0 \ |
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252 | -image [Rappture::icon zoom-out] \ |
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253 | -command [itcl::code $this Zoom out] |
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254 | } { |
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255 | usual |
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256 | ignore -highlightthickness |
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257 | } |
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258 | pack $itk_component(zoomout) -side top -padx 2 -pady 2 |
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259 | Rappture::Tooltip::for $itk_component(zoomout) "Zoom out" |
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260 | |
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261 | BuildViewTab |
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262 | BuildAxisTab |
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263 | BuildCameraTab |
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264 | |
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265 | # Hack around the Tk panewindow. The problem is that the requested |
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266 | # size of the 3d view isn't set until an image is retrieved from |
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267 | # the server. So the panewindow uses the tiny size. |
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268 | set w 10000 |
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269 | pack forget $itk_component(view) |
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270 | blt::table $itk_component(plotarea) \ |
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271 | 0,0 $itk_component(view) -fill both -reqwidth $w |
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272 | blt::table configure $itk_component(plotarea) c1 -resize none |
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273 | |
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274 | # Bindings for rotation via mouse |
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275 | bind $itk_component(view) <ButtonPress-1> \ |
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276 | [itcl::code $this Rotate click %x %y] |
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277 | bind $itk_component(view) <B1-Motion> \ |
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278 | [itcl::code $this Rotate drag %x %y] |
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279 | bind $itk_component(view) <ButtonRelease-1> \ |
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280 | [itcl::code $this Rotate release %x %y] |
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281 | bind $itk_component(view) <Configure> \ |
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282 | [itcl::code $this EventuallyResize %w %h] |
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283 | |
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284 | if 0 { |
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285 | bind $itk_component(view) <Configure> \ |
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286 | [itcl::code $this EventuallyResize %w %h] |
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287 | } |
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288 | # Bindings for panning via mouse |
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289 | bind $itk_component(view) <ButtonPress-2> \ |
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290 | [itcl::code $this Pan click %x %y] |
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291 | bind $itk_component(view) <B2-Motion> \ |
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292 | [itcl::code $this Pan drag %x %y] |
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293 | bind $itk_component(view) <ButtonRelease-2> \ |
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294 | [itcl::code $this Pan release %x %y] |
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295 | |
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296 | # Bindings for panning via keyboard |
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297 | bind $itk_component(view) <KeyPress-Left> \ |
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298 | [itcl::code $this Pan set -10 0] |
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299 | bind $itk_component(view) <KeyPress-Right> \ |
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300 | [itcl::code $this Pan set 10 0] |
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301 | bind $itk_component(view) <KeyPress-Up> \ |
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302 | [itcl::code $this Pan set 0 -10] |
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303 | bind $itk_component(view) <KeyPress-Down> \ |
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304 | [itcl::code $this Pan set 0 10] |
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305 | bind $itk_component(view) <Shift-KeyPress-Left> \ |
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306 | [itcl::code $this Pan set -2 0] |
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307 | bind $itk_component(view) <Shift-KeyPress-Right> \ |
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308 | [itcl::code $this Pan set 2 0] |
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309 | bind $itk_component(view) <Shift-KeyPress-Up> \ |
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310 | [itcl::code $this Pan set 0 -2] |
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311 | bind $itk_component(view) <Shift-KeyPress-Down> \ |
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312 | [itcl::code $this Pan set 0 2] |
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313 | |
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314 | # Bindings for zoom via keyboard |
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315 | bind $itk_component(view) <KeyPress-Prior> \ |
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316 | [itcl::code $this Zoom out] |
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317 | bind $itk_component(view) <KeyPress-Next> \ |
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318 | [itcl::code $this Zoom in] |
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319 | |
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320 | bind $itk_component(view) <Enter> "focus $itk_component(view)" |
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321 | |
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322 | if {[string equal "x11" [tk windowingsystem]]} { |
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323 | # Bindings for zoom via mouse |
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324 | bind $itk_component(view) <4> [itcl::code $this Zoom out] |
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325 | bind $itk_component(view) <5> [itcl::code $this Zoom in] |
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326 | } |
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327 | |
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328 | set _image(download) [image create photo] |
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329 | |
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330 | eval itk_initialize $args |
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331 | |
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332 | Connect |
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333 | } |
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334 | |
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335 | # ---------------------------------------------------------------------- |
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336 | # DESTRUCTOR |
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337 | # ---------------------------------------------------------------------- |
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338 | itcl::body Rappture::VtkViewer::destructor {} { |
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339 | Disconnect |
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340 | $_dispatcher cancel !rebuild |
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341 | $_dispatcher cancel !resize |
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342 | image delete $_image(plot) |
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343 | image delete $_image(download) |
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344 | array unset _settings $this-* |
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345 | catch { blt::arcball destroy $_arcball} |
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346 | } |
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347 | |
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348 | itcl::body Rappture::VtkViewer::DoResize {} { |
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349 | if { $_width < 2 } { |
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350 | set _width 500 |
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351 | } |
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352 | if { $_height < 2 } { |
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353 | set _height 500 |
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354 | } |
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355 | #puts stderr "DoResize screen size $_width $_height" |
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356 | set _start [clock clicks -milliseconds] |
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357 | SendCmd "screen size $_width $_height" |
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358 | |
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359 | # Must reset camera to have object scaling to take effect. |
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360 | SendCmd "camera reset" |
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361 | SendCmd "camera zoom $_view(zoom)" |
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362 | set _resizePending 0 |
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363 | } |
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364 | |
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365 | itcl::body Rappture::VtkViewer::EventuallyResize { w h } { |
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366 | #puts stderr "EventuallyResize $w $h" |
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367 | set _width $w |
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368 | set _height $h |
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369 | $_arcball resize $w $h |
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370 | if { !$_resizePending } { |
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371 | set _resizePending 1 |
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372 | $_dispatcher event -after 100 !resize |
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373 | } |
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374 | } |
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375 | |
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376 | # ---------------------------------------------------------------------- |
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377 | # USAGE: add <dataobj> ?<settings>? |
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378 | # |
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379 | # Clients use this to add a data object to the plot. The optional |
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380 | # <settings> are used to configure the plot. Allowed settings are |
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381 | # -color, -brightness, -width, -linestyle, and -raise. |
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382 | # ---------------------------------------------------------------------- |
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383 | itcl::body Rappture::VtkViewer::add {dataobj {settings ""}} { |
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384 | array set params { |
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385 | -color auto |
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386 | -width 1 |
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387 | -linestyle solid |
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388 | -brightness 0 |
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389 | -raise 0 |
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390 | -description "" |
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391 | -param "" |
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392 | -type "" |
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393 | } |
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394 | array set params $settings |
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395 | set params(-description) "" |
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396 | set params(-param) "" |
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397 | foreach {opt val} $settings { |
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398 | if {![info exists params($opt)]} { |
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399 | error "bad setting \"$opt\": should be [join [lsort [array names params]] {, }]" |
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400 | } |
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401 | set params($opt) $val |
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402 | } |
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403 | if {$params(-color) == "auto" || $params(-color) == "autoreset"} { |
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404 | # can't handle -autocolors yet |
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405 | set params(-color) black |
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406 | } |
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407 | set pos [lsearch -exact $dataobj $_dlist] |
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408 | if {$pos < 0} { |
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409 | lappend _dlist $dataobj |
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410 | } |
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411 | set _allDataObjs($dataobj) 1 |
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412 | set _obj2ovride($dataobj-color) $params(-color) |
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413 | set _obj2ovride($dataobj-width) $params(-width) |
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414 | set _obj2ovride($dataobj-raise) $params(-raise) |
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415 | $_dispatcher event -idle !rebuild |
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416 | } |
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417 | |
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418 | |
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419 | # ---------------------------------------------------------------------- |
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420 | # USAGE: delete ?<dataobj1> <dataobj2> ...? |
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421 | # |
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422 | # Clients use this to delete a dataobj from the plot. If no dataobjs |
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423 | # are specified, then all dataobjs are deleted. No data objects are |
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424 | # deleted. They are only removed from the display list. |
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425 | # |
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426 | # ---------------------------------------------------------------------- |
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427 | itcl::body Rappture::VtkViewer::delete {args} { |
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428 | if { [llength $args] == 0} { |
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429 | set args $_dlist |
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430 | } |
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431 | # Delete all specified dataobjs |
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432 | set changed 0 |
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433 | foreach dataobj $args { |
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434 | set pos [lsearch -exact $_dlist $dataobj] |
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435 | if { $pos < 0 } { |
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436 | continue; # Don't know anything about it. |
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437 | } |
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438 | # Remove it from the dataobj list. |
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439 | set _dlist [lreplace $_dlist $pos $pos] |
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440 | foreach comp [$dataobj components] { |
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441 | SendCmd "dataset visible 0 $dataobj-$comp" |
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442 | } |
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443 | array unset _obj2ovride $dataobj-* |
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444 | # Append to the end of the dataobj list. |
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445 | lappend _dlist $dataobj |
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446 | set changed 1 |
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447 | } |
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448 | # If anything changed, then rebuild the plot |
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449 | if { $changed } { |
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450 | $_dispatcher event -idle !rebuild |
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451 | } |
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452 | } |
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453 | |
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454 | # ---------------------------------------------------------------------- |
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455 | # USAGE: get ?-objects? |
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456 | # USAGE: get ?-visible? |
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457 | # USAGE: get ?-image view? |
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458 | # |
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459 | # Clients use this to query the list of objects being plotted, in |
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460 | # order from bottom to top of this result. The optional "-image" |
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461 | # flag can also request the internal images being shown. |
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462 | # ---------------------------------------------------------------------- |
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463 | itcl::body Rappture::VtkViewer::get {args} { |
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464 | if {[llength $args] == 0} { |
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465 | set args "-objects" |
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466 | } |
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467 | |
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468 | set op [lindex $args 0] |
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469 | switch -- $op { |
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470 | "-objects" { |
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471 | # put the dataobj list in order according to -raise options |
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472 | set dlist {} |
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473 | foreach dataobj $_dlist { |
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474 | if { ![IsValidObject $dataobj] } { |
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475 | continue |
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476 | } |
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477 | if {[info exists _obj2ovride($dataobj-raise)] && |
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478 | $_obj2ovride($dataobj-raise)} { |
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479 | set dlist [linsert $dlist 0 $dataobj] |
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480 | } else { |
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481 | lappend dlist $dataobj |
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482 | } |
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483 | } |
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484 | return $dlist |
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485 | } |
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486 | "-visible" { |
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487 | set dlist {} |
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488 | foreach dataobj $_dlist { |
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489 | if { ![IsValidObject $dataobj] } { |
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490 | continue |
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491 | } |
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492 | if { ![info exists _obj2ovride($dataobj-raise)] } { |
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493 | # No setting indicates that the object isn't invisible. |
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494 | continue |
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495 | } |
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496 | # Otherwise use the -raise parameter to put the object to |
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497 | # the front of the list. |
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498 | if { $_obj2ovride($dataobj-raise) } { |
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499 | set dlist [linsert $dlist 0 $dataobj] |
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500 | } else { |
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501 | lappend dlist $dataobj |
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502 | } |
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503 | } |
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504 | return $dlist |
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505 | } |
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506 | -image { |
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507 | if {[llength $args] != 2} { |
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508 | error "wrong # args: should be \"get -image view\"" |
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509 | } |
---|
510 | switch -- [lindex $args end] { |
---|
511 | view { |
---|
512 | return $_image(plot) |
---|
513 | } |
---|
514 | default { |
---|
515 | error "bad image name \"[lindex $args end]\": should be view" |
---|
516 | } |
---|
517 | } |
---|
518 | } |
---|
519 | default { |
---|
520 | error "bad option \"$op\": should be -objects or -image" |
---|
521 | } |
---|
522 | } |
---|
523 | } |
---|
524 | |
---|
525 | # ---------------------------------------------------------------------- |
---|
526 | # USAGE: scale ?<data1> <data2> ...? |
---|
527 | # |
---|
528 | # Sets the default limits for the overall plot according to the |
---|
529 | # limits of the data for all of the given <data> objects. This |
---|
530 | # accounts for all objects--even those not showing on the screen. |
---|
531 | # Because of this, the limits are appropriate for all objects as |
---|
532 | # the user scans through data in the ResultSet viewer. |
---|
533 | # ---------------------------------------------------------------------- |
---|
534 | itcl::body Rappture::VtkViewer::scale {args} { |
---|
535 | array unset _limits |
---|
536 | foreach dataobj $args { |
---|
537 | array set bounds [limits $dataobj] |
---|
538 | if {![info exists _limits(xmin)] || $_limits(xmin) > $bounds(xmin)} { |
---|
539 | set _limits(xmin) $bounds(xmin) |
---|
540 | } |
---|
541 | if {![info exists _limits(xmax)] || $_limits(xmax) < $bounds(xmax)} { |
---|
542 | set _limits(xmax) $bounds(xmax) |
---|
543 | } |
---|
544 | |
---|
545 | if {![info exists _limits(ymin)] || $_limits(ymin) > $bounds(ymin)} { |
---|
546 | set _limits(ymin) $bounds(ymin) |
---|
547 | } |
---|
548 | if {![info exists _limits(ymax)] || $_limits(ymax) < $bounds(ymax)} { |
---|
549 | set _limits(ymax) $bounds(ymax) |
---|
550 | } |
---|
551 | |
---|
552 | if {![info exists _limits(zmin)] || $_limits(zmin) > $bounds(zmin)} { |
---|
553 | set _limits(zmin) $bounds(zmin) |
---|
554 | } |
---|
555 | if {![info exists _limits(zmax)] || $_limits(zmax) < $bounds(zmax)} { |
---|
556 | set _limits(zmax) $bounds(zmax) |
---|
557 | } |
---|
558 | } |
---|
559 | } |
---|
560 | |
---|
561 | # ---------------------------------------------------------------------- |
---|
562 | # USAGE: download coming |
---|
563 | # USAGE: download controls <downloadCommand> |
---|
564 | # USAGE: download now |
---|
565 | # |
---|
566 | # Clients use this method to create a downloadable representation |
---|
567 | # of the plot. Returns a list of the form {ext string}, where |
---|
568 | # "ext" is the file extension (indicating the type of data) and |
---|
569 | # "string" is the data itself. |
---|
570 | # ---------------------------------------------------------------------- |
---|
571 | itcl::body Rappture::VtkViewer::download {option args} { |
---|
572 | switch $option { |
---|
573 | coming { |
---|
574 | if {[catch { |
---|
575 | blt::winop snap $itk_component(plotarea) $_image(download) |
---|
576 | }]} { |
---|
577 | $_image(download) configure -width 1 -height 1 |
---|
578 | $_image(download) put #000000 |
---|
579 | } |
---|
580 | } |
---|
581 | controls { |
---|
582 | set popup .vtkviewerdownload |
---|
583 | if { ![winfo exists .vtkviewerdownload] } { |
---|
584 | set inner [BuildDownloadPopup $popup [lindex $args 0]] |
---|
585 | } else { |
---|
586 | set inner [$popup component inner] |
---|
587 | } |
---|
588 | set _downloadPopup(image_controls) $inner.image_frame |
---|
589 | set num [llength [get]] |
---|
590 | set num [expr {($num == 1) ? "1 result" : "$num results"}] |
---|
591 | set word [Rappture::filexfer::label downloadWord] |
---|
592 | $inner.summary configure -text "$word $num in the following format:" |
---|
593 | update idletasks ;# Fix initial sizes |
---|
594 | return $popup |
---|
595 | } |
---|
596 | now { |
---|
597 | set popup .vtkviewerdownload |
---|
598 | if {[winfo exists .vtkviewerdownload]} { |
---|
599 | $popup deactivate |
---|
600 | } |
---|
601 | switch -- $_downloadPopup(format) { |
---|
602 | "image" { |
---|
603 | return [$this GetImage [lindex $args 0]] |
---|
604 | } |
---|
605 | "vtk" { |
---|
606 | return [$this GetVtkData [lindex $args 0]] |
---|
607 | } |
---|
608 | } |
---|
609 | return "" |
---|
610 | } |
---|
611 | default { |
---|
612 | error "bad option \"$option\": should be coming, controls, now" |
---|
613 | } |
---|
614 | } |
---|
615 | } |
---|
616 | |
---|
617 | # ---------------------------------------------------------------------- |
---|
618 | # USAGE: Connect ?<host:port>,<host:port>...? |
---|
619 | # |
---|
620 | # Clients use this method to establish a connection to a new |
---|
621 | # server, or to reestablish a connection to the previous server. |
---|
622 | # Any existing connection is automatically closed. |
---|
623 | # ---------------------------------------------------------------------- |
---|
624 | itcl::body Rappture::VtkViewer::Connect {} { |
---|
625 | #puts stderr "Enter Connect: [info level -1]" |
---|
626 | set _hosts [GetServerList "vtkvis"] |
---|
627 | if { "" == $_hosts } { |
---|
628 | return 0 |
---|
629 | } |
---|
630 | set result [VisViewer::Connect $_hosts] |
---|
631 | if { $result } { |
---|
632 | #puts stderr "Connected to $_hostname sid=$_sid" |
---|
633 | set w [winfo width $itk_component(view)] |
---|
634 | set h [winfo height $itk_component(view)] |
---|
635 | EventuallyResize $w $h |
---|
636 | } |
---|
637 | return $result |
---|
638 | } |
---|
639 | |
---|
640 | # |
---|
641 | # isconnected -- |
---|
642 | # |
---|
643 | # Indicates if we are currently connected to the visualization server. |
---|
644 | # |
---|
645 | itcl::body Rappture::VtkViewer::isconnected {} { |
---|
646 | return [VisViewer::IsConnected] |
---|
647 | } |
---|
648 | |
---|
649 | # |
---|
650 | # disconnect -- |
---|
651 | # |
---|
652 | itcl::body Rappture::VtkViewer::disconnect {} { |
---|
653 | Disconnect |
---|
654 | set _reset 1 |
---|
655 | } |
---|
656 | |
---|
657 | # |
---|
658 | # Disconnect -- |
---|
659 | # |
---|
660 | # Clients use this method to disconnect from the current rendering |
---|
661 | # server. |
---|
662 | # |
---|
663 | itcl::body Rappture::VtkViewer::Disconnect {} { |
---|
664 | VisViewer::Disconnect |
---|
665 | |
---|
666 | # disconnected -- no more data sitting on server |
---|
667 | set _outbuf "" |
---|
668 | array unset _datasets |
---|
669 | array unset _data |
---|
670 | array unset _colormaps |
---|
671 | } |
---|
672 | |
---|
673 | # |
---|
674 | # sendto -- |
---|
675 | # |
---|
676 | itcl::body Rappture::VtkViewer::sendto { bytes } { |
---|
677 | SendBytes "$bytes\n" |
---|
678 | } |
---|
679 | |
---|
680 | # |
---|
681 | # SendCmd |
---|
682 | # |
---|
683 | # Send commands off to the rendering server. If we're currently |
---|
684 | # sending data objects to the server, buffer the commands to be |
---|
685 | # sent later. |
---|
686 | # |
---|
687 | itcl::body Rappture::VtkViewer::SendCmd {string} { |
---|
688 | if { $_buffering } { |
---|
689 | append _outbuf $string "\n" |
---|
690 | } else { |
---|
691 | SendBytes "$string\n" |
---|
692 | } |
---|
693 | } |
---|
694 | |
---|
695 | # ---------------------------------------------------------------------- |
---|
696 | # USAGE: ReceiveImage -bytes <size> -type <type> -token <token> |
---|
697 | # |
---|
698 | # Invoked automatically whenever the "image" command comes in from |
---|
699 | # the rendering server. Indicates that binary image data with the |
---|
700 | # specified <size> will follow. |
---|
701 | # ---------------------------------------------------------------------- |
---|
702 | itcl::body Rappture::VtkViewer::ReceiveImage { args } { |
---|
703 | array set info { |
---|
704 | -token "???" |
---|
705 | -bytes 0 |
---|
706 | -type image |
---|
707 | } |
---|
708 | array set info $args |
---|
709 | set bytes [ReceiveBytes $info(-bytes)] |
---|
710 | if { $info(-type) == "image" } { |
---|
711 | if 0 { |
---|
712 | set f [open "last.ppm" "w"] |
---|
713 | puts $f $bytes |
---|
714 | close $f |
---|
715 | } |
---|
716 | $_image(plot) configure -data $bytes |
---|
717 | set time [clock seconds] |
---|
718 | set date [clock format $time] |
---|
719 | #puts stderr "$date: received image [image width $_image(plot)]x[image height $_image(plot)] image>" |
---|
720 | if { $_start > 0 } { |
---|
721 | set finish [clock clicks -milliseconds] |
---|
722 | #puts stderr "round trip time [expr $finish -$_start] milliseconds" |
---|
723 | set _start 0 |
---|
724 | } |
---|
725 | } elseif { $info(type) == "print" } { |
---|
726 | set tag $this-print-$info(-token) |
---|
727 | set _hardcopy($tag) $bytes |
---|
728 | } |
---|
729 | } |
---|
730 | |
---|
731 | # |
---|
732 | # ReceiveDataset -- |
---|
733 | # |
---|
734 | itcl::body Rappture::VtkViewer::ReceiveDataset { args } { |
---|
735 | if { ![isconnected] } { |
---|
736 | return |
---|
737 | } |
---|
738 | set option [lindex $args 0] |
---|
739 | switch -- $option { |
---|
740 | "value" { |
---|
741 | set option [lindex $args 1] |
---|
742 | switch -- $option { |
---|
743 | "world" { |
---|
744 | foreach { x y z value } [lrange $args 2 end] break |
---|
745 | } |
---|
746 | "pixel" { |
---|
747 | foreach { x y value } [lrange $args 2 end] break |
---|
748 | } |
---|
749 | } |
---|
750 | } |
---|
751 | default { |
---|
752 | error "unknown dataset option \"$option\" from server" |
---|
753 | } |
---|
754 | } |
---|
755 | } |
---|
756 | |
---|
757 | # ---------------------------------------------------------------------- |
---|
758 | # USAGE: Rebuild |
---|
759 | # |
---|
760 | # Called automatically whenever something changes that affects the |
---|
761 | # data in the widget. Clears any existing data and rebuilds the |
---|
762 | # widget to display new data. |
---|
763 | # ---------------------------------------------------------------------- |
---|
764 | itcl::body Rappture::VtkViewer::Rebuild {} { |
---|
765 | |
---|
766 | set w [winfo width $itk_component(view)] |
---|
767 | set h [winfo height $itk_component(view)] |
---|
768 | if { $w < 2 || $h < 2 } { |
---|
769 | $_dispatcher event -idle !rebuild |
---|
770 | return |
---|
771 | } |
---|
772 | |
---|
773 | # Turn on buffering of commands to the server. We don't want to |
---|
774 | # be preempted by a server disconnect/reconnect (which automatically |
---|
775 | # generates a new call to Rebuild). |
---|
776 | set _buffering 1 |
---|
777 | |
---|
778 | set _width $w |
---|
779 | set _height $h |
---|
780 | $_arcball resize $w $h |
---|
781 | DoResize |
---|
782 | |
---|
783 | set _limits(vmin) "" |
---|
784 | set _limits(vmax) "" |
---|
785 | set _first "" |
---|
786 | foreach dataobj [get -objects] { |
---|
787 | if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } { |
---|
788 | set _first $dataobj |
---|
789 | } |
---|
790 | set _obj2datasets($dataobj) "" |
---|
791 | foreach comp [$dataobj components] { |
---|
792 | set tag $dataobj-$comp |
---|
793 | if { ![info exists _datasets($tag)] } { |
---|
794 | set bytes [$dataobj data $comp] |
---|
795 | set length [string length $bytes] |
---|
796 | append _outbuf "dataset add $tag data follows $length\n" |
---|
797 | append _outbuf $bytes |
---|
798 | append _outbuf "polydata add $tag\n" |
---|
799 | set _datasets($tag) 1 |
---|
800 | } |
---|
801 | lappend _obj2datasets($dataobj) $tag |
---|
802 | SetObjectStyle $dataobj $comp |
---|
803 | if { [info exists _obj2ovride($dataobj-raise)] } { |
---|
804 | SendCmd "dataset visible 1 $tag" |
---|
805 | } else { |
---|
806 | SendCmd "dataset visible 0 $tag" |
---|
807 | } |
---|
808 | } |
---|
809 | } |
---|
810 | # |
---|
811 | # Reset the camera and other view parameters |
---|
812 | # |
---|
813 | set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)] |
---|
814 | $_arcball quaternion $q |
---|
815 | SendCmd "camera orient $q" |
---|
816 | PanCamera |
---|
817 | SendCmd "camera mode persp" |
---|
818 | if { $_reset || $_first == "" } { |
---|
819 | Zoom reset |
---|
820 | set _reset 0 |
---|
821 | } |
---|
822 | FixSettings opacity |
---|
823 | FixSettings grid-x |
---|
824 | FixSettings grid-y |
---|
825 | FixSettings grid-z |
---|
826 | FixSettings volume |
---|
827 | FixSettings lighting |
---|
828 | FixSettings axes |
---|
829 | FixSettings edges |
---|
830 | FixSettings axismode |
---|
831 | |
---|
832 | if {"" != $_first} { |
---|
833 | set location [$_first hints camera] |
---|
834 | if { $location != "" } { |
---|
835 | array set view $location |
---|
836 | } |
---|
837 | } |
---|
838 | |
---|
839 | set _buffering 0; # Turn off buffering. |
---|
840 | |
---|
841 | # Actually write the commands to the server socket. If it fails, we don't |
---|
842 | # care. We're finished here. |
---|
843 | blt::busy hold $itk_component(hull) |
---|
844 | SendBytes $_outbuf; |
---|
845 | blt::busy release $itk_component(hull) |
---|
846 | set _outbuf ""; # Clear the buffer. |
---|
847 | } |
---|
848 | |
---|
849 | # ---------------------------------------------------------------------- |
---|
850 | # USAGE: CurrentDatasets ?-all -visible? ?dataobjs? |
---|
851 | # |
---|
852 | # Returns a list of server IDs for the current datasets being displayed. This |
---|
853 | # is normally a single ID, but it might be a list of IDs if the current data |
---|
854 | # object has multiple components. |
---|
855 | # ---------------------------------------------------------------------- |
---|
856 | itcl::body Rappture::VtkViewer::CurrentDatasets {args} { |
---|
857 | set flag [lindex $args 0] |
---|
858 | switch -- $flag { |
---|
859 | "-all" { |
---|
860 | if { [llength $args] > 1 } { |
---|
861 | error "CurrentDatasets: can't specify dataobj after \"-all\"" |
---|
862 | } |
---|
863 | set dlist [get -objects] |
---|
864 | } |
---|
865 | "-visible" { |
---|
866 | if { [llength $args] > 1 } { |
---|
867 | set dlist {} |
---|
868 | set args [lrange $args 1 end] |
---|
869 | foreach dataobj $args { |
---|
870 | if { [info exists _obj2ovride($dataobj-raise)] } { |
---|
871 | lappend dlist $dataobj |
---|
872 | } |
---|
873 | } |
---|
874 | } else { |
---|
875 | set dlist [get -visible] |
---|
876 | } |
---|
877 | } |
---|
878 | default { |
---|
879 | set dlist $args |
---|
880 | } |
---|
881 | } |
---|
882 | set rlist "" |
---|
883 | foreach dataobj $dlist { |
---|
884 | foreach comp [$dataobj components] { |
---|
885 | set tag $dataobj-$comp |
---|
886 | if { [info exists _datasets($tag)] && $_datasets($tag) } { |
---|
887 | lappend rlist $tag |
---|
888 | } |
---|
889 | } |
---|
890 | } |
---|
891 | return $rlist |
---|
892 | } |
---|
893 | |
---|
894 | # ---------------------------------------------------------------------- |
---|
895 | # USAGE: Zoom in |
---|
896 | # USAGE: Zoom out |
---|
897 | # USAGE: Zoom reset |
---|
898 | # |
---|
899 | # Called automatically when the user clicks on one of the zoom |
---|
900 | # controls for this widget. Changes the zoom for the current view. |
---|
901 | # ---------------------------------------------------------------------- |
---|
902 | itcl::body Rappture::VtkViewer::Zoom {option} { |
---|
903 | switch -- $option { |
---|
904 | "in" { |
---|
905 | set _view(zoom) [expr {$_view(zoom)*1.25}] |
---|
906 | SendCmd "camera zoom $_view(zoom)" |
---|
907 | } |
---|
908 | "out" { |
---|
909 | set _view(zoom) [expr {$_view(zoom)*0.8}] |
---|
910 | SendCmd "camera zoom $_view(zoom)" |
---|
911 | } |
---|
912 | "reset" { |
---|
913 | array set _view { |
---|
914 | qx 0 |
---|
915 | qy 0 |
---|
916 | qz 0 |
---|
917 | qw 1 |
---|
918 | zoom 1.0 |
---|
919 | pan-x 0 |
---|
920 | pan-y 0 |
---|
921 | zoom-x 1.0 |
---|
922 | zoom-y 1.0 |
---|
923 | } |
---|
924 | SendCmd "camera reset all" |
---|
925 | if { $_first != "" } { |
---|
926 | set location [$_first hints camera] |
---|
927 | if { $location != "" } { |
---|
928 | array set _view $location |
---|
929 | } |
---|
930 | } |
---|
931 | set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)] |
---|
932 | $_arcball quaternion $q |
---|
933 | SendCmd "camera orient $q" |
---|
934 | PanCamera |
---|
935 | } |
---|
936 | } |
---|
937 | } |
---|
938 | |
---|
939 | itcl::body Rappture::VtkViewer::PanCamera {} { |
---|
940 | # set w [winfo width $itk_component(view)] |
---|
941 | # set h [winfo height $itk_component(view)] |
---|
942 | # set x [expr ($_view(pan-x)) / $w] |
---|
943 | # set y [expr ($_view(pan-y)) / $h] |
---|
944 | # set x [expr $x * $_limits(xmax) - $_limits(xmin)] |
---|
945 | # set y [expr $y * $_limits(ymax) - $_limits(ymin)] |
---|
946 | set x $_view(pan-x) |
---|
947 | set y $_view(pan-y) |
---|
948 | SendCmd "camera pan $x $y" |
---|
949 | } |
---|
950 | |
---|
951 | |
---|
952 | # ---------------------------------------------------------------------- |
---|
953 | # USAGE: Rotate click <x> <y> |
---|
954 | # USAGE: Rotate drag <x> <y> |
---|
955 | # USAGE: Rotate release <x> <y> |
---|
956 | # |
---|
957 | # Called automatically when the user clicks/drags/releases in the |
---|
958 | # plot area. Moves the plot according to the user's actions. |
---|
959 | # ---------------------------------------------------------------------- |
---|
960 | itcl::body Rappture::VtkViewer::Rotate {option x y} { |
---|
961 | switch -- $option { |
---|
962 | "click" { |
---|
963 | $itk_component(view) configure -cursor fleur |
---|
964 | set _click(x) $x |
---|
965 | set _click(y) $y |
---|
966 | } |
---|
967 | "drag" { |
---|
968 | if {[array size _click] == 0} { |
---|
969 | Rotate click $x $y |
---|
970 | } else { |
---|
971 | set w [winfo width $itk_component(view)] |
---|
972 | set h [winfo height $itk_component(view)] |
---|
973 | if {$w <= 0 || $h <= 0} { |
---|
974 | return |
---|
975 | } |
---|
976 | |
---|
977 | if {[catch { |
---|
978 | # this fails sometimes for no apparent reason |
---|
979 | set dx [expr {double($x-$_click(x))/$w}] |
---|
980 | set dy [expr {double($y-$_click(y))/$h}] |
---|
981 | }]} { |
---|
982 | return |
---|
983 | } |
---|
984 | if { $dx == 0 && $dy == 0 } { |
---|
985 | return |
---|
986 | } |
---|
987 | set q [$_arcball rotate $x $y $_click(x) $_click(y)] |
---|
988 | foreach { _view(qw) _view(qx) _view(qy) _view(qz) } $q break |
---|
989 | SendCmd "camera orient $q" |
---|
990 | set _click(x) $x |
---|
991 | set _click(y) $y |
---|
992 | } |
---|
993 | } |
---|
994 | "release" { |
---|
995 | Rotate drag $x $y |
---|
996 | $itk_component(view) configure -cursor "" |
---|
997 | catch {unset _click} |
---|
998 | } |
---|
999 | default { |
---|
1000 | error "bad option \"$option\": should be click, drag, release" |
---|
1001 | } |
---|
1002 | } |
---|
1003 | } |
---|
1004 | |
---|
1005 | # ---------------------------------------------------------------------- |
---|
1006 | # USAGE: $this Pan click x y |
---|
1007 | # $this Pan drag x y |
---|
1008 | # $this Pan release x y |
---|
1009 | # |
---|
1010 | # Called automatically when the user clicks on one of the zoom |
---|
1011 | # controls for this widget. Changes the zoom for the current view. |
---|
1012 | # ---------------------------------------------------------------------- |
---|
1013 | itcl::body Rappture::VtkViewer::Pan {option x y} { |
---|
1014 | switch -- $option { |
---|
1015 | "set" { |
---|
1016 | set w [winfo width $itk_component(view)] |
---|
1017 | set h [winfo height $itk_component(view)] |
---|
1018 | set x [expr $x / double($w)] |
---|
1019 | set y [expr $y / double($h)] |
---|
1020 | set _view(pan-x) [expr $_view(pan-x) + $x] |
---|
1021 | set _view(pan-y) [expr $_view(pan-y) + $y] |
---|
1022 | PanCamera |
---|
1023 | return |
---|
1024 | } |
---|
1025 | "click" { |
---|
1026 | set _click(x) $x |
---|
1027 | set _click(y) $y |
---|
1028 | $itk_component(view) configure -cursor hand1 |
---|
1029 | } |
---|
1030 | "drag" { |
---|
1031 | set w [winfo width $itk_component(view)] |
---|
1032 | set h [winfo height $itk_component(view)] |
---|
1033 | set dx [expr ($_click(x) - $x)/double($w)] |
---|
1034 | set dy [expr ($_click(y) - $y)/double($h)] |
---|
1035 | set _click(x) $x |
---|
1036 | set _click(y) $y |
---|
1037 | set _view(pan-x) [expr $_view(pan-x) - $dx] |
---|
1038 | set _view(pan-y) [expr $_view(pan-y) - $dy] |
---|
1039 | PanCamera |
---|
1040 | } |
---|
1041 | "release" { |
---|
1042 | Pan drag $x $y |
---|
1043 | $itk_component(view) configure -cursor "" |
---|
1044 | } |
---|
1045 | default { |
---|
1046 | error "unknown option \"$option\": should set, click, drag, or release" |
---|
1047 | } |
---|
1048 | } |
---|
1049 | } |
---|
1050 | |
---|
1051 | # ---------------------------------------------------------------------- |
---|
1052 | # USAGE: FixSettings <what> ?<value>? |
---|
1053 | # |
---|
1054 | # Used internally to update rendering settings whenever parameters |
---|
1055 | # change in the popup settings panel. Sends the new settings off |
---|
1056 | # to the back end. |
---|
1057 | # ---------------------------------------------------------------------- |
---|
1058 | itcl::body Rappture::VtkViewer::FixSettings {what {value ""}} { |
---|
1059 | switch -- $what { |
---|
1060 | "opacity" { |
---|
1061 | if {[isconnected]} { |
---|
1062 | set val $_settings($this-opacity) |
---|
1063 | set sval [expr { 0.01 * double($val) }] |
---|
1064 | foreach dataset [CurrentDatasets -visible $_first] { |
---|
1065 | SendCmd "polydata opacity $sval $dataset" |
---|
1066 | } |
---|
1067 | } |
---|
1068 | } |
---|
1069 | "wireframe" { |
---|
1070 | if {[isconnected]} { |
---|
1071 | set bool $_settings($this-wireframe) |
---|
1072 | foreach dataset [CurrentDatasets -visible $_first] { |
---|
1073 | SendCmd "polydata wireframe $bool $dataset" |
---|
1074 | } |
---|
1075 | } |
---|
1076 | } |
---|
1077 | "volume" { |
---|
1078 | if {[isconnected]} { |
---|
1079 | set bool $_settings($this-volume) |
---|
1080 | foreach dataset [CurrentDatasets -visible $_first] { |
---|
1081 | SendCmd "polydata visible $bool $dataset" |
---|
1082 | } |
---|
1083 | } |
---|
1084 | } |
---|
1085 | "lighting" { |
---|
1086 | if {[isconnected]} { |
---|
1087 | set bool $_settings($this-lighting) |
---|
1088 | foreach dataset [CurrentDatasets -visible $_first] { |
---|
1089 | SendCmd "polydata lighting $bool $dataset" |
---|
1090 | } |
---|
1091 | } |
---|
1092 | } |
---|
1093 | "grid-x" { |
---|
1094 | if {[isconnected]} { |
---|
1095 | set bool $_settings($this-grid-x) |
---|
1096 | SendCmd "axis grid x $bool" |
---|
1097 | } |
---|
1098 | } |
---|
1099 | "grid-y" { |
---|
1100 | if {[isconnected]} { |
---|
1101 | set bool $_settings($this-grid-y) |
---|
1102 | SendCmd "axis grid y $bool" |
---|
1103 | } |
---|
1104 | } |
---|
1105 | "grid-z" { |
---|
1106 | if {[isconnected]} { |
---|
1107 | set bool $_settings($this-grid-z) |
---|
1108 | SendCmd "axis grid z $bool" |
---|
1109 | } |
---|
1110 | } |
---|
1111 | "edges" { |
---|
1112 | if {[isconnected]} { |
---|
1113 | set bool $_settings($this-edges) |
---|
1114 | foreach dataset [CurrentDatasets -visible $_first] { |
---|
1115 | SendCmd "polydata edges $bool $dataset" |
---|
1116 | } |
---|
1117 | } |
---|
1118 | } |
---|
1119 | "axes" { |
---|
1120 | if { [isconnected] } { |
---|
1121 | set bool $_settings($this-axes) |
---|
1122 | SendCmd "axis visible all $bool" |
---|
1123 | } |
---|
1124 | } |
---|
1125 | "axismode" { |
---|
1126 | if { [isconnected] } { |
---|
1127 | set mode [$itk_component(axismode) value] |
---|
1128 | set mode [$itk_component(axismode) translate $mode] |
---|
1129 | SendCmd "axis flymode $mode" |
---|
1130 | } |
---|
1131 | } |
---|
1132 | default { |
---|
1133 | error "don't know how to fix $what" |
---|
1134 | } |
---|
1135 | } |
---|
1136 | } |
---|
1137 | |
---|
1138 | # |
---|
1139 | # SetStyles -- |
---|
1140 | # |
---|
1141 | itcl::body Rappture::VtkViewer::SetStyles { dataobj comp } { |
---|
1142 | array set style { |
---|
1143 | -color rainbow |
---|
1144 | -levels 6 |
---|
1145 | -opacity 1.0 |
---|
1146 | } |
---|
1147 | set tag $dataobj-$comp |
---|
1148 | array set style [lindex [$dataobj components -style $comp] 0] |
---|
1149 | set colormap "$style(-color):$style(-levels):$style(-opacity)" |
---|
1150 | if { [info exists _colormaps($colormap)] } { |
---|
1151 | puts stderr "Colormap $colormap already built" |
---|
1152 | } |
---|
1153 | if { ![info exists _dataset2style($tag)] } { |
---|
1154 | set _dataset2style($tag) $colormap |
---|
1155 | lappend _style2datasets($colormap) $tag |
---|
1156 | } |
---|
1157 | if { ![info exists _colormaps($colormap)] } { |
---|
1158 | # Build the pseudo colormap if it doesn't exist. |
---|
1159 | BuildColormap $colormap $dataobj $comp |
---|
1160 | set _colormaps($colormap) 1 |
---|
1161 | } |
---|
1162 | #SendCmd "polydata add $style(-levels) $tag\n" |
---|
1163 | SendCmd "pseudocolor colormap $colormap $tag" |
---|
1164 | return $colormap |
---|
1165 | } |
---|
1166 | |
---|
1167 | # |
---|
1168 | # BuildColormap -- |
---|
1169 | # |
---|
1170 | itcl::body Rappture::VtkViewer::BuildColormap { colormap dataobj comp } { |
---|
1171 | array set style { |
---|
1172 | -color rainbow |
---|
1173 | -levels 6 |
---|
1174 | -opacity 1.0 |
---|
1175 | } |
---|
1176 | array set style [lindex [$dataobj components -style $comp] 0] |
---|
1177 | |
---|
1178 | if {$style(-color) == "rainbow"} { |
---|
1179 | set style(-color) "white:yellow:green:cyan:blue:magenta" |
---|
1180 | } |
---|
1181 | set clist [split $style(-color) :] |
---|
1182 | set cmap {} |
---|
1183 | for {set i 0} {$i < [llength $clist]} {incr i} { |
---|
1184 | set x [expr {double($i)/([llength $clist]-1)}] |
---|
1185 | set color [lindex $clist $i] |
---|
1186 | append cmap "$x [Color2RGB $color] " |
---|
1187 | } |
---|
1188 | if { [llength $cmap] == 0 } { |
---|
1189 | set cmap "0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0" |
---|
1190 | } |
---|
1191 | set tag $this-$colormap |
---|
1192 | if { ![info exists _settings($tag-opacity)] } { |
---|
1193 | set _settings($tag-opacity) $style(-opacity) |
---|
1194 | } |
---|
1195 | set max $_settings($tag-opacity) |
---|
1196 | |
---|
1197 | set wmap "0.0 1.0 1.0 1.0" |
---|
1198 | SendCmd "colormap add $colormap { $cmap } { $wmap }" |
---|
1199 | } |
---|
1200 | |
---|
1201 | # ---------------------------------------------------------------------- |
---|
1202 | # CONFIGURATION OPTION: -plotbackground |
---|
1203 | # ---------------------------------------------------------------------- |
---|
1204 | itcl::configbody Rappture::VtkViewer::plotbackground { |
---|
1205 | if { [isconnected] } { |
---|
1206 | foreach {r g b} [Color2RGB $itk_option(-plotbackground)] break |
---|
1207 | SendCmd "screen bgcolor $r $g $b" |
---|
1208 | } |
---|
1209 | } |
---|
1210 | |
---|
1211 | # ---------------------------------------------------------------------- |
---|
1212 | # CONFIGURATION OPTION: -plotforeground |
---|
1213 | # ---------------------------------------------------------------------- |
---|
1214 | itcl::configbody Rappture::VtkViewer::plotforeground { |
---|
1215 | if { [isconnected] } { |
---|
1216 | foreach {r g b} [Color2RGB $itk_option(-plotforeground)] break |
---|
1217 | #fix this! |
---|
1218 | #SendCmd "color background $r $g $b" |
---|
1219 | } |
---|
1220 | } |
---|
1221 | |
---|
1222 | itcl::body Rappture::VtkViewer::limits { dataobj } { |
---|
1223 | |
---|
1224 | array unset _limits $dataobj-* |
---|
1225 | foreach comp [$dataobj components] { |
---|
1226 | set tag $dataobj-$comp |
---|
1227 | if { ![info exists _limits($tag)] } { |
---|
1228 | set data [$dataobj data $comp] |
---|
1229 | set arr [vtkCharArray $tag-xvtkCharArray] |
---|
1230 | $arr SetArray $data [string length $data] 1 |
---|
1231 | set reader [vtkDataSetReader $tag-xvtkDataSetReader] |
---|
1232 | $reader SetInputArray $arr |
---|
1233 | $reader ReadFromInputStringOn |
---|
1234 | set _limits($tag) [[$reader GetOutput] GetBounds] |
---|
1235 | rename $reader "" |
---|
1236 | rename $arr "" |
---|
1237 | } |
---|
1238 | foreach { xMin xMax yMin yMax zMin zMax} $_limits($tag) break |
---|
1239 | if {![info exists limits(xmin)] || $limits(xmin) > $xMin} { |
---|
1240 | set limits(xmin) $xMin |
---|
1241 | } |
---|
1242 | if {![info exists limits(xmax)] || $limits(xmax) < $xMax} { |
---|
1243 | set limits(xmax) $xMax |
---|
1244 | } |
---|
1245 | if {![info exists limits(ymin)] || $limits(ymin) > $yMin} { |
---|
1246 | set limits(ymin) $xMin |
---|
1247 | } |
---|
1248 | if {![info exists limits(ymax)] || $limits(ymax) < $yMax} { |
---|
1249 | set limits(ymax) $yMax |
---|
1250 | } |
---|
1251 | if {![info exists limits(zmin)] || $limits(zmin) > $zMin} { |
---|
1252 | set limits(zmin) $zMin |
---|
1253 | } |
---|
1254 | if {![info exists limits(zmax)] || $limits(zmax) < $zMax} { |
---|
1255 | set limits(zmax) $zMax |
---|
1256 | } |
---|
1257 | } |
---|
1258 | return [array get limits] |
---|
1259 | } |
---|
1260 | |
---|
1261 | |
---|
1262 | itcl::body Rappture::VtkViewer::BuildViewTab {} { |
---|
1263 | |
---|
1264 | set fg [option get $itk_component(hull) font Font] |
---|
1265 | #set bfg [option get $itk_component(hull) boldFont Font] |
---|
1266 | |
---|
1267 | set inner [$itk_component(main) insert end \ |
---|
1268 | -title "View Settings" \ |
---|
1269 | -icon [Rappture::icon wrench]] |
---|
1270 | $inner configure -borderwidth 4 |
---|
1271 | |
---|
1272 | checkbutton $inner.wireframe \ |
---|
1273 | -text "Wireframe" \ |
---|
1274 | -variable [itcl::scope _settings($this-wireframe)] \ |
---|
1275 | -command [itcl::code $this FixSettings wireframe] \ |
---|
1276 | -font "Arial 9" |
---|
1277 | |
---|
1278 | checkbutton $inner.axes \ |
---|
1279 | -text "Axes" \ |
---|
1280 | -variable [itcl::scope _settings($this-axes)] \ |
---|
1281 | -command [itcl::code $this FixSettings axes] \ |
---|
1282 | -font "Arial 9" |
---|
1283 | |
---|
1284 | checkbutton $inner.volume \ |
---|
1285 | -text "Volume" \ |
---|
1286 | -variable [itcl::scope _settings($this-volume)] \ |
---|
1287 | -command [itcl::code $this FixSettings volume] \ |
---|
1288 | -font "Arial 9" |
---|
1289 | |
---|
1290 | checkbutton $inner.lighting \ |
---|
1291 | -text "Lighting" \ |
---|
1292 | -variable [itcl::scope _settings($this-lighting)] \ |
---|
1293 | -command [itcl::code $this FixSettings lighting] \ |
---|
1294 | -font "Arial 9" |
---|
1295 | |
---|
1296 | checkbutton $inner.edges \ |
---|
1297 | -text "Edges" \ |
---|
1298 | -variable [itcl::scope _settings($this-edges)] \ |
---|
1299 | -command [itcl::code $this FixSettings edges] \ |
---|
1300 | -font "Arial 9" |
---|
1301 | |
---|
1302 | label $inner.clear -text "Clear" -font "Arial 9" |
---|
1303 | ::scale $inner.opacity -from 0 -to 100 -orient horizontal \ |
---|
1304 | -variable [itcl::scope _settings($this-opacity)] \ |
---|
1305 | -width 10 \ |
---|
1306 | -showvalue off -command [itcl::code $this FixSettings opacity] |
---|
1307 | label $inner.opaque -text "Opaque" -font "Arial 9" |
---|
1308 | |
---|
1309 | blt::table $inner \ |
---|
1310 | 0,0 $inner.axes -columnspan 4 -anchor w -pady 2 \ |
---|
1311 | 1,0 $inner.volume -columnspan 4 -anchor w -pady 2 \ |
---|
1312 | 2,0 $inner.wireframe -columnspan 4 -anchor w -pady 2 \ |
---|
1313 | 3,0 $inner.lighting -columnspan 4 -anchor w \ |
---|
1314 | 4,0 $inner.edges -columnspan 4 -anchor w -pady 2 \ |
---|
1315 | 6,0 $inner.clear -anchor e -pady 2 \ |
---|
1316 | 6,1 $inner.opacity -columnspan 2 -pady 2 -fill x\ |
---|
1317 | 6,3 $inner.opaque -anchor w -pady 2 |
---|
1318 | |
---|
1319 | blt::table configure $inner r* -resize none |
---|
1320 | blt::table configure $inner r7 -resize expand |
---|
1321 | } |
---|
1322 | |
---|
1323 | itcl::body Rappture::VtkViewer::BuildAxisTab {} { |
---|
1324 | |
---|
1325 | set fg [option get $itk_component(hull) font Font] |
---|
1326 | #set bfg [option get $itk_component(hull) boldFont Font] |
---|
1327 | |
---|
1328 | set inner [$itk_component(main) insert end \ |
---|
1329 | -title "Axis Settings" \ |
---|
1330 | -icon [Rappture::icon cog]] |
---|
1331 | $inner configure -borderwidth 4 |
---|
1332 | |
---|
1333 | checkbutton $inner.axes \ |
---|
1334 | -text "Visible" \ |
---|
1335 | -variable [itcl::scope _settings($this-axes)] \ |
---|
1336 | -command [itcl::code $this FixSettings axes] \ |
---|
1337 | -font "Arial 9" |
---|
1338 | |
---|
1339 | label $inner.grid -text "Grid" -font "Arial 9" |
---|
1340 | set f [frame $inner.gridf] |
---|
1341 | checkbutton $f.x \ |
---|
1342 | -text "X" \ |
---|
1343 | -variable [itcl::scope _settings($this-grid-x)] \ |
---|
1344 | -command [itcl::code $this FixSettings grid-x] \ |
---|
1345 | -font "Arial 9" |
---|
1346 | checkbutton $f.y \ |
---|
1347 | -text "Y" \ |
---|
1348 | -variable [itcl::scope _settings($this-grid-y)] \ |
---|
1349 | -command [itcl::code $this FixSettings grid-y] \ |
---|
1350 | -font "Arial 9" |
---|
1351 | checkbutton $f.z \ |
---|
1352 | -text "Z" \ |
---|
1353 | -variable [itcl::scope _settings($this-grid-z)] \ |
---|
1354 | -command [itcl::code $this FixSettings grid-z] \ |
---|
1355 | -font "Arial 9" |
---|
1356 | pack $f.x $f.y $f.z -side left |
---|
1357 | |
---|
1358 | label $inner.axismode -text "Mode" \ |
---|
1359 | -font "Arial 9" |
---|
1360 | |
---|
1361 | itk_component add axismode { |
---|
1362 | Rappture::Combobox $inner.axismode_combo -width 10 -editable no |
---|
1363 | } |
---|
1364 | $inner.axismode_combo choices insert end \ |
---|
1365 | "static_triad" "static" \ |
---|
1366 | "closest_triad" "closest" \ |
---|
1367 | "furthest_triad" "furthest" \ |
---|
1368 | "outer_edges" "outer" |
---|
1369 | $itk_component(axismode) value "outer" |
---|
1370 | bind $inner.axismode_combo <<Value>> [itcl::code $this FixSettings axismode] |
---|
1371 | |
---|
1372 | blt::table $inner \ |
---|
1373 | 0,0 $inner.axes -columnspan 4 -anchor w -pady 2 \ |
---|
1374 | 1,0 $inner.axismode -anchor w -pady 2 \ |
---|
1375 | 1,1 $inner.axismode_combo -cspan 3 -anchor w -pady 2 \ |
---|
1376 | 2,0 $inner.grid -anchor w -pady 2 \ |
---|
1377 | 2,1 $inner.gridf -anchor w -cspan 3 -fill x |
---|
1378 | |
---|
1379 | blt::table configure $inner r* -resize none |
---|
1380 | blt::table configure $inner r3 -resize expand |
---|
1381 | } |
---|
1382 | |
---|
1383 | itcl::body Rappture::VtkViewer::BuildCameraTab {} { |
---|
1384 | set inner [$itk_component(main) insert end \ |
---|
1385 | -title "Camera Settings" \ |
---|
1386 | -icon [Rappture::icon camera]] |
---|
1387 | $inner configure -borderwidth 4 |
---|
1388 | |
---|
1389 | set labels { qx qy qz qw pan-x pan-y zoom } |
---|
1390 | set row 0 |
---|
1391 | foreach tag $labels { |
---|
1392 | label $inner.${tag}label -text $tag -font "Arial 9" |
---|
1393 | entry $inner.${tag} -font "Arial 9" -bg white \ |
---|
1394 | -textvariable [itcl::scope _view($tag)] |
---|
1395 | bind $inner.${tag} <KeyPress-Return> \ |
---|
1396 | [itcl::code $this camera set ${tag}] |
---|
1397 | blt::table $inner \ |
---|
1398 | $row,0 $inner.${tag}label -anchor e -pady 2 \ |
---|
1399 | $row,1 $inner.${tag} -anchor w -pady 2 |
---|
1400 | blt::table configure $inner r$row -resize none |
---|
1401 | incr row |
---|
1402 | } |
---|
1403 | blt::table configure $inner c0 c1 -resize none |
---|
1404 | blt::table configure $inner c2 -resize expand |
---|
1405 | blt::table configure $inner r$row -resize expand |
---|
1406 | } |
---|
1407 | |
---|
1408 | |
---|
1409 | # |
---|
1410 | # camera -- |
---|
1411 | # |
---|
1412 | itcl::body Rappture::VtkViewer::camera {option args} { |
---|
1413 | switch -- $option { |
---|
1414 | "show" { |
---|
1415 | puts [array get _view] |
---|
1416 | } |
---|
1417 | "set" { |
---|
1418 | set who [lindex $args 0] |
---|
1419 | set x $_view($who) |
---|
1420 | set code [catch { string is double $x } result] |
---|
1421 | if { $code != 0 || !$result } { |
---|
1422 | set x _view($who) |
---|
1423 | return |
---|
1424 | } |
---|
1425 | switch -- $who { |
---|
1426 | "pan-x" - "pan-y" { |
---|
1427 | PanCamera |
---|
1428 | } |
---|
1429 | "qx" - "qy" - "qz" - "qw" { |
---|
1430 | set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)] |
---|
1431 | $_arcball quaternion $q |
---|
1432 | SendCmd "camera orient $q" |
---|
1433 | } |
---|
1434 | "zoom" { |
---|
1435 | SendCmd "camera zoom $_view(zoom)" |
---|
1436 | } |
---|
1437 | } |
---|
1438 | } |
---|
1439 | } |
---|
1440 | } |
---|
1441 | |
---|
1442 | itcl::body Rappture::VtkViewer::ConvertToVtkData { dataobj comp } { |
---|
1443 | foreach { x1 x2 xN y1 y2 yN } [$dataobj mesh $comp] break |
---|
1444 | set values [$dataobj values $comp] |
---|
1445 | append out "# vtk DataFile Version 2.0 \n" |
---|
1446 | append out "Test data \n" |
---|
1447 | append out "ASCII \n" |
---|
1448 | append out "DATASET STRUCTURED_POINTS \n" |
---|
1449 | append out "DIMENSIONS $xN $yN 1 \n" |
---|
1450 | append out "ORIGIN 0 0 0 \n" |
---|
1451 | append out "SPACING 1 1 1 \n" |
---|
1452 | append out "POINT_DATA [expr $xN * $yN] \n" |
---|
1453 | append out "SCALARS field float 1 \n" |
---|
1454 | append out "LOOKUP_TABLE default \n" |
---|
1455 | append out [join $values "\n"] |
---|
1456 | append out "\n" |
---|
1457 | return $out |
---|
1458 | } |
---|
1459 | |
---|
1460 | |
---|
1461 | itcl::body Rappture::VtkViewer::GetVtkData { args } { |
---|
1462 | set bytes "" |
---|
1463 | foreach dataobj [get] { |
---|
1464 | foreach comp [$dataobj components] { |
---|
1465 | set tag $dataobj-$comp |
---|
1466 | set contents [ConvertToVtkData $dataobj $comp] |
---|
1467 | append bytes "$contents\n\n" |
---|
1468 | } |
---|
1469 | } |
---|
1470 | return [list .txt $bytes] |
---|
1471 | } |
---|
1472 | |
---|
1473 | itcl::body Rappture::VtkViewer::GetImage { args } { |
---|
1474 | if { [image width $_image(download)] > 0 && |
---|
1475 | [image height $_image(download)] > 0 } { |
---|
1476 | set bytes [$_image(download) data -format "jpeg -quality 100"] |
---|
1477 | set bytes [Rappture::encoding::decode -as b64 $bytes] |
---|
1478 | return [list .jpg $bytes] |
---|
1479 | } |
---|
1480 | return "" |
---|
1481 | } |
---|
1482 | |
---|
1483 | itcl::body Rappture::VtkViewer::BuildDownloadPopup { popup command } { |
---|
1484 | Rappture::Balloon $popup \ |
---|
1485 | -title "[Rappture::filexfer::label downloadWord] as..." |
---|
1486 | set inner [$popup component inner] |
---|
1487 | label $inner.summary -text "" -anchor w |
---|
1488 | radiobutton $inner.vtk_button -text "VTK data file" \ |
---|
1489 | -variable [itcl::scope _downloadPopup(format)] \ |
---|
1490 | -font "Helvetica 9 " \ |
---|
1491 | -value vtk |
---|
1492 | Rappture::Tooltip::for $inner.vtk_button "Save as VTK data file." |
---|
1493 | radiobutton $inner.image_button -text "Image File" \ |
---|
1494 | -variable [itcl::scope _downloadPopup(format)] \ |
---|
1495 | -value image |
---|
1496 | Rappture::Tooltip::for $inner.image_button \ |
---|
1497 | "Save as digital image." |
---|
1498 | |
---|
1499 | button $inner.ok -text "Save" \ |
---|
1500 | -highlightthickness 0 -pady 2 -padx 3 \ |
---|
1501 | -command $command \ |
---|
1502 | -compound left \ |
---|
1503 | -image [Rappture::icon download] |
---|
1504 | |
---|
1505 | button $inner.cancel -text "Cancel" \ |
---|
1506 | -highlightthickness 0 -pady 2 -padx 3 \ |
---|
1507 | -command [list $popup deactivate] \ |
---|
1508 | -compound left \ |
---|
1509 | -image [Rappture::icon cancel] |
---|
1510 | |
---|
1511 | blt::table $inner \ |
---|
1512 | 0,0 $inner.summary -cspan 2 \ |
---|
1513 | 1,0 $inner.vtk_button -anchor w -cspan 2 -padx { 4 0 } \ |
---|
1514 | 2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \ |
---|
1515 | 4,1 $inner.cancel -width .9i -fill y \ |
---|
1516 | 4,0 $inner.ok -padx 2 -width .9i -fill y |
---|
1517 | blt::table configure $inner r3 -height 4 |
---|
1518 | blt::table configure $inner r4 -pady 4 |
---|
1519 | raise $inner.image_button |
---|
1520 | $inner.vtk_button invoke |
---|
1521 | return $inner |
---|
1522 | } |
---|
1523 | |
---|
1524 | itcl::body Rappture::VtkViewer::SetObjectStyle { dataobj comp } { |
---|
1525 | array set props { |
---|
1526 | -color \#6666FF |
---|
1527 | -edgevisibility 1 |
---|
1528 | -edgecolor black |
---|
1529 | -linewidth 1.0 |
---|
1530 | -opacity 1.0 |
---|
1531 | -wireframe 0 |
---|
1532 | -lighting 1 |
---|
1533 | } |
---|
1534 | # Parse style string. |
---|
1535 | set style [$dataobj style $comp] |
---|
1536 | set tag $dataobj-$comp |
---|
1537 | array set props $style |
---|
1538 | SendCmd "polydata color [Color2RGB $props(-color)] $tag" |
---|
1539 | SendCmd "polydata edges $props(-edgevisibility) $tag" |
---|
1540 | SendCmd "polydata lighting $props(-lighting) $tag" |
---|
1541 | SendCmd "polydata linecolor [Color2RGB $props(-edgecolor)] $tag" |
---|
1542 | SendCmd "polydata linewidth $props(-linewidth) $tag" |
---|
1543 | SendCmd "polydata opacity $props(-opacity) $tag" |
---|
1544 | if { $dataobj != $_first } { |
---|
1545 | set props(-wireframe) 1 |
---|
1546 | } |
---|
1547 | SendCmd "polydata wireframe $props(-wireframe) $tag" |
---|
1548 | set _settings($this-opacity) [expr $props(-opacity) * 100.0] |
---|
1549 | } |
---|
1550 | |
---|
1551 | itcl::body Rappture::VtkViewer::IsValidObject { dataobj } { |
---|
1552 | if {[catch {$dataobj isa Rappture::Drawing} valid] != 0 || !$valid} { |
---|
1553 | return 0 |
---|
1554 | } |
---|
1555 | return 1 |
---|
1556 | } |
---|