1 | |
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2 | # ---------------------------------------------------------------------- |
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3 | # COMPONENT: heightmapviewer - 3D volume rendering |
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4 | # |
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5 | # This widget performs volume rendering on 3D scalar/vector datasets. |
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6 | # It connects to the Nanovis server running on a rendering farm, |
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7 | # transmits data, and displays the results. |
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8 | # ====================================================================== |
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9 | # AUTHOR: Michael McLennan, Purdue University |
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10 | # Copyright (c) 2004-2005 Purdue Research Foundation |
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11 | # |
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12 | # See the file "license.terms" for information on usage and |
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13 | # redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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14 | # ====================================================================== |
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15 | |
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16 | package require Itk |
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17 | package require BLT |
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18 | package require Img |
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19 | |
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20 | option add *HeightmapViewer.width 4i widgetDefault |
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21 | option add *HeightmapViewer.height 4i widgetDefault |
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22 | option add *HeightmapViewer.foreground black widgetDefault |
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23 | option add *HeightmapViewer.plotBackground black widgetDefault |
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24 | option add *HeightmapViewer.plotForeground white widgetDefault |
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25 | option add *HeightmapViewer.plotOutline white widgetDefault |
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26 | option add *HeightmapViewer.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 HeightmapViewer_init_resources {} { |
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31 | Rappture::resources::register \ |
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32 | nanovis_server Rappture::HeightmapViewer::SetServerList |
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33 | } |
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34 | |
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35 | itcl::class Rappture::HeightmapViewer { |
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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 | itk_option define -plotoutline plotOutline PlotOutline "" |
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41 | |
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42 | constructor { hostlist args } { |
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43 | Rappture::VisViewer::constructor $hostlist |
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44 | } { |
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45 | # defined below |
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46 | } |
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47 | destructor { |
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48 | # defined below |
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49 | } |
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50 | |
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51 | public proc SetServerList { namelist } { |
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52 | Rappture::VisViewer::SetServerList "nanovis" $namelist |
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53 | } |
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54 | public method add {dataobj {settings ""}} |
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55 | public method get {args} |
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56 | public method delete {args} |
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57 | public method scale {args} |
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58 | public method download {option args} |
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59 | public method parameters {title args} { |
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60 | # do nothing |
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61 | } |
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62 | public method camera {option args} |
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63 | protected method Connect {} |
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64 | protected method Disconnect {} |
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65 | |
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66 | protected method SendCmd {string} |
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67 | protected method SendDataObjs {} |
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68 | protected method ReceiveImage { args } |
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69 | private method ReceiveLegend {tf vmin vmax size} |
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70 | private method BuildViewTab {} |
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71 | private method BuildCameraTab {} |
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72 | private method PanCamera {} |
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73 | |
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74 | protected method Rebuild {} |
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75 | protected method Zoom {option} |
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76 | protected method Pan {option x y} |
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77 | protected method Rotate {option x y} |
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78 | |
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79 | protected method State {comp} |
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80 | protected method FixSettings {what {value ""}} |
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81 | protected method GetTransfuncData {dataobj comp} |
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82 | private method Resize { w h } |
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83 | |
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84 | private variable _outbuf ;# buffer for outgoing commands |
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85 | |
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86 | private variable _dlist "" ;# list of data objects |
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87 | private variable _obj2style ;# maps dataobj => style settings |
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88 | private variable _obj2ovride ;# maps dataobj => style override |
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89 | private variable _obj2id ;# maps dataobj => heightmap ID in server |
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90 | private variable _id2obj ;# maps heightmap ID => dataobj in server |
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91 | private variable _sendobjs "" ;# list of data objs to send to server |
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92 | private variable _receiveIds ;# list of data responses from the server |
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93 | private variable _click ;# info used for Rotate operations |
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94 | private variable _limits ;# autoscale min/max for all axes |
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95 | private variable _view ;# view params for 3D view |
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96 | private common _settings ;# Array of used for global variables |
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97 | # for checkbuttons and radiobuttons. |
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98 | private common _hardcopy |
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99 | private variable _buffering 0 |
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100 | } |
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101 | |
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102 | itk::usual HeightmapViewer { |
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103 | keep -background -foreground -cursor -font |
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104 | keep -plotbackground -plotforeground |
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105 | } |
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106 | |
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107 | # ---------------------------------------------------------------------- |
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108 | # CONSTRUCTOR |
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109 | # ---------------------------------------------------------------------- |
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110 | itcl::body Rappture::HeightmapViewer::constructor {hostlist args} { |
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111 | # Draw legend event |
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112 | $_dispatcher register !legend |
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113 | $_dispatcher dispatch $this !legend \ |
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114 | "[itcl::code $this FixSettings legend]; list" |
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115 | # Send dataobjs event |
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116 | $_dispatcher register !send_dataobjs |
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117 | $_dispatcher dispatch $this !send_dataobjs \ |
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118 | "[itcl::code $this SendDataObjs]; list" |
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119 | # Rebuild event |
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120 | $_dispatcher register !rebuild |
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121 | $_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list" |
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122 | |
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123 | set _outbuf "" |
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124 | |
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125 | # |
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126 | # Populate parser with commands handle incoming requests |
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127 | # |
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128 | $_parser alias image [itcl::code $this ReceiveImage] |
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129 | $_parser alias legend [itcl::code $this ReceiveLegend] |
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130 | |
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131 | # Initialize the view to some default parameters. |
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132 | array set _view { |
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133 | theta 45 |
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134 | phi 45 |
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135 | psi 0 |
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136 | zoom 1.0 |
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137 | pan-x 0 |
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138 | pan-y 0 |
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139 | } |
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140 | set _obj2id(count) 0 |
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141 | |
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142 | set f [$itk_component(main) component controls] |
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143 | itk_component add zoom { |
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144 | frame $f.zoom |
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145 | } |
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146 | pack $itk_component(zoom) -side top |
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147 | |
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148 | itk_component add reset { |
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149 | button $f.reset -borderwidth 1 -padx 1 -pady 1 \ |
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150 | -highlightthickness 0 \ |
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151 | -image [Rappture::icon reset-view] \ |
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152 | -command [itcl::code $this Zoom reset] |
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153 | } { |
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154 | usual |
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155 | ignore -highlightthickness |
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156 | } |
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157 | pack $itk_component(reset) -side top -padx 1 -pady { 4 0 } |
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158 | Rappture::Tooltip::for $itk_component(reset) "Reset the view to the default zoom level" |
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159 | |
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160 | itk_component add zoomin { |
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161 | button $f.zin -borderwidth 1 -padx 1 -pady 1 \ |
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162 | -highlightthickness 0 \ |
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163 | -image [Rappture::icon zoom-in] \ |
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164 | -command [itcl::code $this Zoom in] |
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165 | } { |
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166 | usual |
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167 | ignore -highlightthickness |
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168 | } |
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169 | pack $itk_component(zoomin) -side top -padx 1 -pady { 4 0 } |
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170 | Rappture::Tooltip::for $itk_component(zoomin) "Zoom in" |
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171 | |
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172 | itk_component add zoomout { |
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173 | button $f.zout -borderwidth 1 -padx 1 -pady 1 \ |
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174 | -highlightthickness 0 \ |
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175 | -image [Rappture::icon zoom-out] \ |
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176 | -command [itcl::code $this Zoom out] |
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177 | } { |
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178 | usual |
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179 | ignore -highlightthickness |
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180 | } |
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181 | pack $itk_component(zoomout) -side top -padx 1 -pady { 4 } |
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182 | Rappture::Tooltip::for $itk_component(zoomout) "Zoom out" |
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183 | |
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184 | BuildViewTab |
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185 | BuildCameraTab |
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186 | |
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187 | # Legend |
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188 | set _image(legend) [image create photo] |
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189 | itk_component add legend { |
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190 | canvas $itk_component(plotarea).legend -width 30 -highlightthickness 0 |
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191 | } { |
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192 | usual |
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193 | ignore -highlightthickness |
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194 | rename -background -plotbackground plotBackground Background |
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195 | } |
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196 | set w [expr [winfo reqwidth $itk_component(hull)] - 80] |
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197 | pack forget $itk_component(3dview) |
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198 | pack $itk_component(3dview) -side left -fill both -expand yes |
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199 | pack $itk_component(legend) -side left -fill y |
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200 | |
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201 | bind $itk_component(legend) <Configure> \ |
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202 | [list $_dispatcher event -idle !legend] |
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203 | |
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204 | # Bindings for rotation via mouse |
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205 | bind $itk_component(3dview) <ButtonPress-1> \ |
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206 | [itcl::code $this Rotate click %x %y] |
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207 | bind $itk_component(3dview) <B1-Motion> \ |
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208 | [itcl::code $this Rotate drag %x %y] |
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209 | bind $itk_component(3dview) <ButtonRelease-1> \ |
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210 | [itcl::code $this Rotate release %x %y] |
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211 | bind $itk_component(3dview) <Configure> \ |
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212 | [itcl::code $this Resize %w %h] |
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213 | |
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214 | # Bindings for panning via mouse |
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215 | bind $itk_component(3dview) <ButtonPress-2> \ |
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216 | [itcl::code $this Pan click %x %y] |
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217 | bind $itk_component(3dview) <B2-Motion> \ |
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218 | [itcl::code $this Pan drag %x %y] |
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219 | bind $itk_component(3dview) <ButtonRelease-2> \ |
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220 | [itcl::code $this Pan release %x %y] |
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221 | |
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222 | # Bindings for panning via keyboard |
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223 | bind $itk_component(3dview) <KeyPress-Left> \ |
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224 | [itcl::code $this Pan set -10 0] |
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225 | bind $itk_component(3dview) <KeyPress-Right> \ |
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226 | [itcl::code $this Pan set 10 0] |
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227 | bind $itk_component(3dview) <KeyPress-Up> \ |
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228 | [itcl::code $this Pan set 0 -10] |
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229 | bind $itk_component(3dview) <KeyPress-Down> \ |
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230 | [itcl::code $this Pan set 0 10] |
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231 | bind $itk_component(3dview) <Shift-KeyPress-Left> \ |
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232 | [itcl::code $this Pan set -2 0] |
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233 | bind $itk_component(3dview) <Shift-KeyPress-Right> \ |
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234 | [itcl::code $this Pan set 2 0] |
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235 | bind $itk_component(3dview) <Shift-KeyPress-Up> \ |
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236 | [itcl::code $this Pan set 0 -2] |
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237 | bind $itk_component(3dview) <Shift-KeyPress-Down> \ |
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238 | [itcl::code $this Pan set 0 2] |
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239 | |
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240 | # Bindings for zoom via keyboard |
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241 | bind $itk_component(3dview) <KeyPress-Prior> \ |
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242 | [itcl::code $this Zoom out] |
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243 | bind $itk_component(3dview) <KeyPress-Next> \ |
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244 | [itcl::code $this Zoom in] |
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245 | |
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246 | bind $itk_component(3dview) <Enter> "focus $itk_component(3dview)" |
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247 | |
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248 | if {[string equal "x11" [tk windowingsystem]]} { |
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249 | # Bindings for zoom via mouse |
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250 | bind $itk_component(3dview) <4> [itcl::code $this Zoom out] |
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251 | bind $itk_component(3dview) <5> [itcl::code $this Zoom in] |
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252 | } |
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253 | |
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254 | set _image(download) [image create photo] |
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255 | eval itk_initialize $args |
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256 | Connect |
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257 | } |
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258 | |
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259 | # ---------------------------------------------------------------------- |
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260 | # DESTRUCTOR |
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261 | # ---------------------------------------------------------------------- |
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262 | itcl::body Rappture::HeightmapViewer::destructor {} { |
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263 | set _sendobjs "" ;# stop any send in progress |
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264 | $_dispatcher cancel !rebuild |
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265 | $_dispatcher cancel !send_dataobjs |
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266 | image delete $_image(plot) |
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267 | image delete $_image(legend) |
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268 | image delete $_image(download) |
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269 | } |
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270 | |
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271 | # ---------------------------------------------------------------------- |
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272 | # USAGE: add <dataobj> ?<settings>? |
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273 | # |
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274 | # Clients use this to add a data object to the plot. The optional |
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275 | # <settings> are used to configure the plot. Allowed settings are |
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276 | # -color, -brightness, -width, -linestyle, and -raise. |
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277 | # ---------------------------------------------------------------------- |
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278 | itcl::body Rappture::HeightmapViewer::add {dataobj {settings ""}} { |
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279 | array set params { |
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280 | -color auto |
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281 | -width 1 |
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282 | -linestyle solid |
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283 | -brightness 0 |
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284 | -raise 0 |
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285 | -description "" |
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286 | -param "" |
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287 | } |
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288 | foreach {opt val} $settings { |
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289 | if {![info exists params($opt)]} { |
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290 | error "bad setting \"$opt\": should be [join [lsort [array names params]] {, }]" |
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291 | } |
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292 | set params($opt) $val |
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293 | } |
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294 | if {$params(-color) == "auto" || $params(-color) == "autoreset"} { |
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295 | # can't handle -autocolors yet |
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296 | set params(-color) black |
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297 | } |
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298 | set pos [lsearch -exact $dataobj $_dlist] |
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299 | if {$pos < 0} { |
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300 | lappend _dlist $dataobj |
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301 | set _obj2ovride($dataobj-color) $params(-color) |
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302 | set _obj2ovride($dataobj-width) $params(-width) |
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303 | set _obj2ovride($dataobj-raise) $params(-raise) |
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304 | $_dispatcher event -idle !rebuild |
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305 | } |
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306 | } |
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307 | |
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308 | # ---------------------------------------------------------------------- |
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309 | # USAGE: get ?-objects? |
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310 | # USAGE: get ?-image 3dview|legend? |
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311 | # |
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312 | # Clients use this to query the list of objects being plotted, in |
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313 | # order from bottom to top of this result. The optional "-image" |
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314 | # flag can also request the internal images being shown. |
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315 | # ---------------------------------------------------------------------- |
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316 | itcl::body Rappture::HeightmapViewer::get { args } { |
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317 | if {[llength $args] == 0} { |
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318 | set args "-objects" |
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319 | } |
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320 | |
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321 | set op [lindex $args 0] |
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322 | switch -- $op { |
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323 | -objects { |
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324 | # put the dataobj list in order according to -raise options |
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325 | set dlist $_dlist |
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326 | foreach obj $dlist { |
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327 | if { [info exists _obj2ovride($obj-raise)] && |
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328 | $_obj2ovride($obj-raise)} { |
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329 | set i [lsearch -exact $dlist $obj] |
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330 | if {$i >= 0} { |
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331 | set dlist [lreplace $dlist $i $i] |
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332 | lappend dlist $obj |
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333 | } |
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334 | } |
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335 | } |
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336 | return $dlist |
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337 | } |
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338 | -image { |
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339 | if {[llength $args] != 2} { |
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340 | error "wrong # args: should be \"get -image 3dview|legend\"" |
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341 | } |
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342 | switch -- [lindex $args end] { |
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343 | 3dview { |
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344 | return $_image(plot) |
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345 | } |
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346 | legend { |
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347 | return $_image(legend) |
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348 | } |
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349 | default { |
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350 | error "bad image name \"[lindex $args end]\": should be 3dview or legend" |
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351 | } |
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352 | } |
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353 | } |
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354 | default { |
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355 | error "bad option \"$op\": should be -objects or -image" |
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356 | } |
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357 | } |
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358 | } |
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359 | |
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360 | # ---------------------------------------------------------------------- |
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361 | # USAGE: delete ?<dataobj1> <dataobj2> ...? |
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362 | # |
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363 | # Clients use this to delete a dataobj from the plot. If no dataobjs |
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364 | # are specified, then all dataobjs are deleted. |
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365 | # ---------------------------------------------------------------------- |
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366 | itcl::body Rappture::HeightmapViewer::delete { args } { |
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367 | if {[llength $args] == 0} { |
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368 | set args $_dlist |
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369 | } |
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370 | |
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371 | # delete all specified dataobjs |
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372 | set changed 0 |
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373 | foreach dataobj $args { |
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374 | set pos [lsearch -exact $_dlist $dataobj] |
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375 | if {$pos >= 0} { |
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376 | set _dlist [lreplace $_dlist $pos $pos] |
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377 | foreach key [array names _obj2ovride $dataobj-*] { |
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378 | unset _obj2ovride($key) |
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379 | } |
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380 | set changed 1 |
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381 | } |
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382 | } |
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383 | |
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384 | # if anything changed, then rebuild the plot |
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385 | if {$changed} { |
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386 | $_dispatcher event -idle !rebuild |
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387 | } |
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388 | } |
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389 | |
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390 | # ---------------------------------------------------------------------- |
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391 | # USAGE: scale ?<data1> <data2> ...? |
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392 | # |
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393 | # Sets the default limits for the overall plot according to the |
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394 | # limits of the data for all of the given <data> objects. This |
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395 | # accounts for all objects--even those not showing on the screen. |
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396 | # Because of this, the limits are appropriate for all objects as |
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397 | # the user scans through data in the ResultSet viewer. |
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398 | # ---------------------------------------------------------------------- |
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399 | itcl::body Rappture::HeightmapViewer::scale { args } { |
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400 | foreach val {xmin xmax ymin ymax zmin zmax vmin vmax} { |
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401 | set _limits($val) "" |
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402 | } |
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403 | foreach obj $args { |
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404 | foreach axis {x y z v} { |
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405 | foreach {min max} [$obj limits $axis] break |
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406 | if {"" != $min && "" != $max} { |
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407 | if {"" == $_limits(${axis}min)} { |
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408 | set _limits(${axis}min) $min |
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409 | set _limits(${axis}max) $max |
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410 | } else { |
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411 | if {$min < $_limits(${axis}min)} { |
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412 | set _limits(${axis}min) $min |
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413 | } |
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414 | if {$max > $_limits(${axis}max)} { |
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415 | set _limits(${axis}max) $max |
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416 | } |
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417 | } |
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418 | set _limits(${axis}range) [expr {$max - $min}] |
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419 | } |
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420 | } |
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421 | } |
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422 | } |
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423 | |
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424 | # ---------------------------------------------------------------------- |
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425 | # USAGE: download coming |
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426 | # USAGE: download controls <downloadCommand> |
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427 | # USAGE: download now |
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428 | # |
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429 | # Clients use this method to create a downloadable representation |
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430 | # of the plot. Returns a list of the form {ext string}, where |
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431 | # "ext" is the file extension (indicating the type of data) and |
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432 | # "string" is the data itself. |
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433 | # ---------------------------------------------------------------------- |
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434 | itcl::body Rappture::HeightmapViewer::download {option args} { |
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435 | switch $option { |
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436 | coming { |
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437 | if {[catch { |
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438 | blt::winop snap $itk_component(plotarea) $_image(download) |
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439 | }]} { |
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440 | $_image(download) configure -width 1 -height 1 |
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441 | $_image(download) put #000000 |
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442 | } |
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443 | } |
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444 | controls { |
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445 | # no controls for this download yet |
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446 | return "" |
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447 | } |
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448 | now { |
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449 | # Get the image data (as base64) and decode it back to binary. |
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450 | # This is better than writing to temporary files. When we switch |
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451 | # to the BLT picture image it won't be necessary to decode the |
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452 | # image data. |
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453 | set bytes [$_image(download) data -format "jpeg -quality 100"] |
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454 | set bytes [Rappture::encoding::decode -as b64 $bytes] |
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455 | return [list .jpg $bytes] |
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456 | } |
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457 | default { |
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458 | error "bad option \"$option\": should be coming, controls, now" |
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459 | } |
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460 | } |
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461 | } |
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462 | |
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463 | # ---------------------------------------------------------------------- |
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464 | # USAGE: Connect ?<host:port>,<host:port>...? |
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465 | # |
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466 | # Clients use this method to establish a connection to a new |
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467 | # server, or to reestablish a connection to the previous server. |
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468 | # Any existing connection is automatically closed. |
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469 | # ---------------------------------------------------------------------- |
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470 | itcl::body Rappture::HeightmapViewer::Connect {} { |
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471 | Disconnect |
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472 | set _hosts [GetServerList "nanovis"] |
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473 | if { "" == $_hosts } { |
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474 | return 0 |
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475 | } |
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476 | set result [VisViewer::Connect $_hosts] |
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477 | return $result |
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478 | } |
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479 | |
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480 | # ---------------------------------------------------------------------- |
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481 | # USAGE: Disconnect |
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482 | # |
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483 | # Clients use this method to disconnect from the current rendering |
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484 | # server. |
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485 | # ---------------------------------------------------------------------- |
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486 | itcl::body Rappture::HeightmapViewer::Disconnect {} { |
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487 | VisViewer::Disconnect |
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488 | |
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489 | set _outbuf "" |
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490 | # disconnected -- no more data sitting on server |
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491 | catch {unset _obj2id} |
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492 | array unset _id2obj |
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493 | set _obj2id(count) 0 |
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494 | set _id2obj(cound) 0 |
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495 | set _sendobjs "" |
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496 | } |
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497 | |
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498 | # |
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499 | # SendCmd |
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500 | # |
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501 | # Send commands off to the rendering server. If we're currently |
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502 | # sending data objects to the server, buffer the commands to be |
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503 | # sent later. |
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504 | # |
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505 | itcl::body Rappture::NanovisViewer::SendCmd {string} { |
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506 | if { $_buffering } { |
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507 | append _outbuf $string "\n" |
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508 | } else { |
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509 | foreach line [split $string \n] { |
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510 | SendEcho >>line $line |
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511 | } |
---|
512 | SendBytes "$string\n" |
---|
513 | } |
---|
514 | } |
---|
515 | |
---|
516 | # ---------------------------------------------------------------------- |
---|
517 | # USAGE: SendDataObjs |
---|
518 | # |
---|
519 | # Used internally to send a series of volume objects off to the |
---|
520 | # server. Sends each object, a little at a time, with updates in |
---|
521 | # between so the interface doesn't lock up. |
---|
522 | # ---------------------------------------------------------------------- |
---|
523 | itcl::body Rappture::HeightmapViewer::SendDataObjs {} { |
---|
524 | blt::busy hold $itk_component(hull); update idletasks |
---|
525 | |
---|
526 | # Reset the overall limits |
---|
527 | if { $_sendobjs != "" } { |
---|
528 | set _limits(vmin) "" |
---|
529 | set _limits(vmax) "" |
---|
530 | } |
---|
531 | foreach dataobj $_sendobjs { |
---|
532 | foreach comp [$dataobj components] { |
---|
533 | set data [$dataobj blob $comp] |
---|
534 | |
---|
535 | foreach { vmin vmax } [$dataobj limits v] break |
---|
536 | if { $_limits(vmin) == "" || $vmin < $_limits(vmin) } { |
---|
537 | set _limits(vmin) $vmin |
---|
538 | } |
---|
539 | if { $_limits(vmax) == "" || $vmax > $_limits(vmax) } { |
---|
540 | set _limits(vmax) $vmax |
---|
541 | } |
---|
542 | |
---|
543 | # tell the engine to expect some data |
---|
544 | set nbytes [string length $data] |
---|
545 | if { ![SendBytes "heightmap data follows $nbytes\n"] } { |
---|
546 | return |
---|
547 | |
---|
548 | } |
---|
549 | if { ![SendBytes $data] } { |
---|
550 | return |
---|
551 | } |
---|
552 | set id $_obj2id(count) |
---|
553 | incr _obj2id(count) |
---|
554 | set _id2obj($id) [list $dataobj $comp] |
---|
555 | set _obj2id($dataobj-$comp) $id |
---|
556 | set _receiveIds($id) 1 |
---|
557 | |
---|
558 | # |
---|
559 | # Determine the transfer function needed for this volume |
---|
560 | # and make sure that it's defined on the server. |
---|
561 | # |
---|
562 | foreach {sname cmap wmap} [GetTransfuncData $dataobj $comp] break |
---|
563 | SendCmd [list "transfunc" "define" $sname $cmap $wmap] |
---|
564 | set _obj2style($dataobj-$comp) $sname |
---|
565 | } |
---|
566 | } |
---|
567 | set _sendobjs "" |
---|
568 | blt::busy release $itk_component(hull) |
---|
569 | |
---|
570 | # Turn on buffering of commands to the server. We don't want to |
---|
571 | # be preempted by a server disconnect/reconnect (which automatically |
---|
572 | # generates a new call to Rebuild). |
---|
573 | set _buffering 1 |
---|
574 | |
---|
575 | # activate the proper volume |
---|
576 | set first [lindex [get] 0] |
---|
577 | if {"" != $first} { |
---|
578 | set axis [$first hints updir] |
---|
579 | if {"" != $axis} { |
---|
580 | SendCmd "up $axis" |
---|
581 | } |
---|
582 | set location [$first hints camera] |
---|
583 | if { $location != "" } { |
---|
584 | array set _view $location |
---|
585 | } |
---|
586 | } |
---|
587 | |
---|
588 | foreach key [array names _obj2id *-*] { |
---|
589 | set state [string match $first-* $key] |
---|
590 | SendCmd "heightmap data visible $state $_obj2id($key)" |
---|
591 | if {[info exists _obj2style($key)]} { |
---|
592 | SendCmd "heightmap transfunc $_obj2style($key) $_obj2id($key)" |
---|
593 | } |
---|
594 | } |
---|
595 | |
---|
596 | # Actually write the commands to the server socket. If it fails, we don't |
---|
597 | # care. We're finished here. |
---|
598 | SendBytes $_outbuf; |
---|
599 | set _buffering 0; # Turn off buffering. |
---|
600 | set _outbuf ""; # Clear the buffer. |
---|
601 | $_dispatcher event -idle !legend |
---|
602 | } |
---|
603 | |
---|
604 | # ---------------------------------------------------------------------- |
---|
605 | # USAGE: ReceiveImage -bytes <size> |
---|
606 | # |
---|
607 | # Invoked automatically whenever the "image" command comes in from |
---|
608 | # the rendering server. Indicates that binary image data with the |
---|
609 | # specified <size> will follow. |
---|
610 | # ---------------------------------------------------------------------- |
---|
611 | itcl::body Rappture::HeightmapViewer::ReceiveImage { args } { |
---|
612 | if {![IsConnected]} { |
---|
613 | return |
---|
614 | } |
---|
615 | array set info { |
---|
616 | -type image |
---|
617 | } |
---|
618 | array set info $args |
---|
619 | set bytes [ReceiveBytes $info(-bytes)] |
---|
620 | ReceiveEcho <<line "<read $info(-bytes) bytes" |
---|
621 | if { $info(-type) == "image" } { |
---|
622 | $_image(plot) configure -data $bytes |
---|
623 | ReceiveEcho <<line "<read for [image width $_image(plot)]x[image height $_image(plot)] image>" |
---|
624 | } elseif { $info(type) == "print" } { |
---|
625 | set tag $this-print-$info(-token) |
---|
626 | set _hardcopy($tag) $bytes |
---|
627 | } |
---|
628 | } |
---|
629 | |
---|
630 | # ---------------------------------------------------------------------- |
---|
631 | # USAGE: ReceiveLegend <tf> <vmin> <vmax> <size> |
---|
632 | # |
---|
633 | # Invoked automatically whenever the "legend" command comes in from |
---|
634 | # the rendering server. Indicates that binary image data with the |
---|
635 | # specified <size> will follow. |
---|
636 | # ---------------------------------------------------------------------- |
---|
637 | itcl::body Rappture::HeightmapViewer::ReceiveLegend {tf vmin vmax size} { |
---|
638 | if { [IsConnected] } { |
---|
639 | set bytes [ReceiveBytes $size] |
---|
640 | ReceiveEcho <<line "<read $size bytes for [image width $_image(legend)]x[image height $_image(legend)] legend>" |
---|
641 | if 1 { |
---|
642 | set src [image create photo -data $bytes] |
---|
643 | blt::winop image rotate $src $_image(legend) 90 |
---|
644 | set dst $_image(legend) |
---|
645 | } else { |
---|
646 | $_image(legend) configure -data $bytes |
---|
647 | } |
---|
648 | set c $itk_component(legend) |
---|
649 | set w [winfo width $c] |
---|
650 | set h [winfo height $c] |
---|
651 | set lineht [expr [font metrics $itk_option(-font) -linespace] + 4] |
---|
652 | if {"" == [$c find withtag transfunc]} { |
---|
653 | $c create image 0 [expr $lineht] -anchor ne \ |
---|
654 | -image $_image(legend) -tags transfunc |
---|
655 | $c create text 10 [expr {$h-8}] -anchor se \ |
---|
656 | -fill $itk_option(-plotforeground) -tags vmin |
---|
657 | $c create text [expr {$w-10}] [expr {$h-8}] -anchor ne \ |
---|
658 | -fill $itk_option(-plotforeground) -tags vmax |
---|
659 | } |
---|
660 | $c coords transfunc [expr $w - 5] [expr $lineht] |
---|
661 | $c itemconfigure vmin -text $vmin |
---|
662 | $c itemconfigure vmax -text $vmax |
---|
663 | $c coords vmax [expr $w - 5] 2 |
---|
664 | $c coords vmin [expr $w - 5] [expr $h - 2] |
---|
665 | } |
---|
666 | } |
---|
667 | |
---|
668 | # ---------------------------------------------------------------------- |
---|
669 | # USAGE: Rebuild |
---|
670 | # |
---|
671 | # Called automatically whenever something changes that affects the |
---|
672 | # data in the widget. Clears any existing data and rebuilds the |
---|
673 | # widget to display new data. |
---|
674 | # ---------------------------------------------------------------------- |
---|
675 | itcl::body Rappture::HeightmapViewer::Rebuild {} { |
---|
676 | # in the midst of sending data? then bail out |
---|
677 | if {[llength $_sendobjs] > 0} { |
---|
678 | return |
---|
679 | } |
---|
680 | # Turn on buffering of commands to the server. We don't want to |
---|
681 | # be preempted by a server disconnect/reconnect (which automatically |
---|
682 | # generates a new call to Rebuild). |
---|
683 | set _buffering 1 |
---|
684 | |
---|
685 | # Find any new data that needs to be sent to the server. Queue this up on |
---|
686 | # the _sendobjs list, and send it out a little at a time. Do this first, |
---|
687 | # before we rebuild the rest. |
---|
688 | foreach dataobj [get] { |
---|
689 | set comp [lindex [$dataobj components] 0] |
---|
690 | if {![info exists _obj2id($dataobj-$comp)]} { |
---|
691 | set i [lsearch -exact $_sendobjs $dataobj] |
---|
692 | if {$i < 0} { |
---|
693 | lappend _sendobjs $dataobj |
---|
694 | } |
---|
695 | } |
---|
696 | } |
---|
697 | if {[llength $_sendobjs] > 0} { |
---|
698 | # Send off new data objects |
---|
699 | $_dispatcher event -idle !send_dataobjs |
---|
700 | } else { |
---|
701 | # Nothing to send -- activate the proper volume |
---|
702 | set first [lindex [get] 0] |
---|
703 | if {"" != $first} { |
---|
704 | set axis [$first hints updir] |
---|
705 | if {"" != $axis} { |
---|
706 | SendCmd "up $axis" |
---|
707 | } |
---|
708 | } |
---|
709 | foreach key [array names _obj2id *-*] { |
---|
710 | set state [string match $first-* $key] |
---|
711 | SendCmd "heightmap data visible $state $_obj2id($key)" |
---|
712 | if {[info exists _obj2style($key)]} { |
---|
713 | SendCmd "heightmap transfunc $_obj2style($key) $_obj2id($key)" |
---|
714 | } |
---|
715 | } |
---|
716 | $_dispatcher event -idle !legend |
---|
717 | } |
---|
718 | |
---|
719 | # Reset the screen size. |
---|
720 | set w [winfo width $itk_component(3dview)] |
---|
721 | set h [winfo height $itk_component(3dview)] |
---|
722 | Resize $w $h |
---|
723 | |
---|
724 | # Reset the camera and other view parameters |
---|
725 | set xyz [Euler2XYZ $_view(theta) $_view(phi) $_view(psi)] |
---|
726 | SendCmd "camera angle $xyz" |
---|
727 | PanCamera |
---|
728 | SendCmd "camera zoom $_view(zoom)" |
---|
729 | |
---|
730 | if {"" == $itk_option(-plotoutline)} { |
---|
731 | SendCmd "grid linecolor [Color2RGB $itk_option(-plotoutline)]" |
---|
732 | } |
---|
733 | set _settings($this-theta) $_view(theta) |
---|
734 | set _settings($this-phi) $_view(phi) |
---|
735 | set _settings($this-psi) $_view(psi) |
---|
736 | set _settings($this-pan-x) $_view(pan-x) |
---|
737 | set _settings($this-pan-y) $_view(pan-y) |
---|
738 | set _settings($this-zoom) $_view(zoom) |
---|
739 | |
---|
740 | FixSettings wireframe |
---|
741 | FixSettings grid |
---|
742 | FixSettings axes |
---|
743 | FixSettings contourlines |
---|
744 | |
---|
745 | # Actually write the commands to the server socket. If it fails, we don't |
---|
746 | # care. We're finished here. |
---|
747 | SendBytes $_outbuf; |
---|
748 | set _buffering 0; # Turn off buffering. |
---|
749 | set _outbuf ""; # Clear the buffer. |
---|
750 | } |
---|
751 | |
---|
752 | # ---------------------------------------------------------------------- |
---|
753 | # USAGE: Zoom in |
---|
754 | # USAGE: Zoom out |
---|
755 | # USAGE: Zoom reset |
---|
756 | # |
---|
757 | # Called automatically when the user clicks on one of the zoom |
---|
758 | # controls for this widget. Changes the zoom for the current view. |
---|
759 | # ---------------------------------------------------------------------- |
---|
760 | itcl::body Rappture::HeightmapViewer::Zoom {option} { |
---|
761 | switch -- $option { |
---|
762 | "in" { |
---|
763 | set _view(zoom) [expr {$_view(zoom)*1.25}] |
---|
764 | set _settings($this-zoom) $_view(zoom) |
---|
765 | } |
---|
766 | "out" { |
---|
767 | set _view(zoom) [expr {$_view(zoom)*0.8}] |
---|
768 | set _settings($this-zoom) $_view(zoom) |
---|
769 | } |
---|
770 | "reset" { |
---|
771 | array set _view { |
---|
772 | theta 45 |
---|
773 | phi 45 |
---|
774 | psi 0 |
---|
775 | zoom 1.0 |
---|
776 | pan-x 0 |
---|
777 | pan-y 0 |
---|
778 | } |
---|
779 | set first [lindex [get] 0] |
---|
780 | if { $first != "" } { |
---|
781 | set location [$first hints camera] |
---|
782 | if { $location != "" } { |
---|
783 | array set _view $location |
---|
784 | } |
---|
785 | } |
---|
786 | set xyz [Euler2XYZ $_view(theta) $_view(phi) $_view(psi)] |
---|
787 | SendCmd "camera angle $xyz" |
---|
788 | PanCamera |
---|
789 | set _settings($this-theta) $_view(theta) |
---|
790 | set _settings($this-phi) $_view(phi) |
---|
791 | set _settings($this-psi) $_view(psi) |
---|
792 | set _settings($this-pan-x) $_view(pan-x) |
---|
793 | set _settings($this-pan-y) $_view(pan-y) |
---|
794 | set _settings($this-zoom) $_view(zoom) |
---|
795 | } |
---|
796 | } |
---|
797 | SendCmd "camera zoom $_view(zoom)" |
---|
798 | } |
---|
799 | |
---|
800 | # ---------------------------------------------------------------------- |
---|
801 | # USAGE: $this Pan click x y |
---|
802 | # $this Pan drag x y |
---|
803 | # $this Pan release x y |
---|
804 | # |
---|
805 | # Called automatically when the user clicks on one of the zoom |
---|
806 | # controls for this widget. Changes the zoom for the current view. |
---|
807 | # ---------------------------------------------------------------------- |
---|
808 | itcl::body Rappture::HeightmapViewer::Pan {option x y} { |
---|
809 | # Experimental stuff |
---|
810 | set w [winfo width $itk_component(3dview)] |
---|
811 | set h [winfo height $itk_component(3dview)] |
---|
812 | if { $option == "set" } { |
---|
813 | set x [expr ($x / double($w)) * $_limits(xrange)] |
---|
814 | set y [expr ($y / double($h)) * $_limits(yrange)] |
---|
815 | set _view(pan-x) [expr $_view(pan-x) + $x] |
---|
816 | set _view(pan-y) [expr $_view(pan-y) + $y] |
---|
817 | PanCamera |
---|
818 | set _settings($this-pan-x) $_view(pan-x) |
---|
819 | set _settings($this-pan-y) $_view(pan-y) |
---|
820 | return |
---|
821 | } |
---|
822 | if { $option == "click" } { |
---|
823 | set _click(x) $x |
---|
824 | set _click(y) $y |
---|
825 | $itk_component(3dview) configure -cursor hand1 |
---|
826 | } |
---|
827 | if { $option == "drag" || $option == "release" } { |
---|
828 | set dx [expr (($_click(x) - $x)/double($w)) * $_limits(xrange)] |
---|
829 | set dy [expr (($_click(y) - $y)/double($h)) * $_limits(yrange)] |
---|
830 | set _click(x) $x |
---|
831 | set _click(y) $y |
---|
832 | set _view(pan-x) [expr $_view(pan-x) - $dx] |
---|
833 | set _view(pan-y) [expr $_view(pan-y) - $dy] |
---|
834 | PanCamera |
---|
835 | set _settings($this-pan-x) $_view(pan-x) |
---|
836 | set _settings($this-pan-y) $_view(pan-y) |
---|
837 | } |
---|
838 | if { $option == "release" } { |
---|
839 | $itk_component(3dview) configure -cursor "" |
---|
840 | } |
---|
841 | } |
---|
842 | |
---|
843 | itcl::body Rappture::HeightmapViewer::PanCamera {} { |
---|
844 | set x [expr ($_view(pan-x)) / $_limits(xrange)] |
---|
845 | set y [expr ($_view(pan-y)) / $_limits(yrange)] |
---|
846 | SendCmd "camera pan $x $y" |
---|
847 | } |
---|
848 | |
---|
849 | # ---------------------------------------------------------------------- |
---|
850 | # USAGE: Rotate click <x> <y> |
---|
851 | # USAGE: Rotate drag <x> <y> |
---|
852 | # USAGE: Rotate release <x> <y> |
---|
853 | # |
---|
854 | # Called automatically when the user clicks/drags/releases in the |
---|
855 | # plot area. Moves the plot according to the user's actions. |
---|
856 | # ---------------------------------------------------------------------- |
---|
857 | itcl::body Rappture::HeightmapViewer::Rotate {option x y} { |
---|
858 | switch -- $option { |
---|
859 | click { |
---|
860 | $itk_component(3dview) configure -cursor fleur |
---|
861 | array set _click [subst { |
---|
862 | x $x |
---|
863 | y $y |
---|
864 | theta $_view(theta) |
---|
865 | phi $_view(phi) |
---|
866 | }] |
---|
867 | } |
---|
868 | drag { |
---|
869 | if {[array size _click] == 0} { |
---|
870 | Rotate click $x $y |
---|
871 | } else { |
---|
872 | set w [winfo width $itk_component(3dview)] |
---|
873 | set h [winfo height $itk_component(3dview)] |
---|
874 | if {$w <= 0 || $h <= 0} { |
---|
875 | return |
---|
876 | } |
---|
877 | |
---|
878 | if {[catch { |
---|
879 | # this fails sometimes for no apparent reason |
---|
880 | set dx [expr {double($x-$_click(x))/$w}] |
---|
881 | set dy [expr {double($y-$_click(y))/$h}] |
---|
882 | }] != 0 } { |
---|
883 | return |
---|
884 | } |
---|
885 | |
---|
886 | # |
---|
887 | # Rotate the camera in 3D |
---|
888 | # |
---|
889 | if {$_view(psi) > 90 || $_view(psi) < -90} { |
---|
890 | # when psi is flipped around, theta moves backwards |
---|
891 | set dy [expr {-$dy}] |
---|
892 | } |
---|
893 | set theta [expr {$_view(theta) - $dy*180}] |
---|
894 | while {$theta < 0} { set theta [expr {$theta+180}] } |
---|
895 | while {$theta > 180} { set theta [expr {$theta-180}] } |
---|
896 | |
---|
897 | if {abs($theta) >= 30 && abs($theta) <= 160} { |
---|
898 | set phi [expr {$_view(phi) - $dx*360}] |
---|
899 | while {$phi < 0} { set phi [expr {$phi+360}] } |
---|
900 | while {$phi > 360} { set phi [expr {$phi-360}] } |
---|
901 | set psi $_view(psi) |
---|
902 | } else { |
---|
903 | set phi $_view(phi) |
---|
904 | set psi [expr {$_view(psi) - $dx*360}] |
---|
905 | while {$psi < -180} { set psi [expr {$psi+360}] } |
---|
906 | while {$psi > 180} { set psi [expr {$psi-360}] } |
---|
907 | } |
---|
908 | |
---|
909 | set _view(theta) $theta |
---|
910 | set _view(phi) $phi |
---|
911 | set _view(psi) $psi |
---|
912 | set xyz [Euler2XYZ $_view(theta) $_view(phi) $_view(psi)] |
---|
913 | set _settings($this-theta) $_view(theta) |
---|
914 | set _settings($this-phi) $_view(phi) |
---|
915 | set _settings($this-psi) $_view(psi) |
---|
916 | SendCmd "camera angle $xyz" |
---|
917 | set _click(x) $x |
---|
918 | set _click(y) $y |
---|
919 | } |
---|
920 | } |
---|
921 | release { |
---|
922 | Rotate drag $x $y |
---|
923 | $itk_component(3dview) configure -cursor "" |
---|
924 | catch {unset _click} |
---|
925 | } |
---|
926 | default { |
---|
927 | error "bad option \"$option\": should be click, drag, release" |
---|
928 | } |
---|
929 | } |
---|
930 | } |
---|
931 | |
---|
932 | # ---------------------------------------------------------------------- |
---|
933 | # USAGE: State <component> |
---|
934 | # |
---|
935 | # Used internally to determine the state of a toggle button. |
---|
936 | # The <component> is the itk component name of the button. |
---|
937 | # Returns on/off for the state of the button. |
---|
938 | # ---------------------------------------------------------------------- |
---|
939 | itcl::body Rappture::HeightmapViewer::State {comp} { |
---|
940 | if {[$itk_component($comp) cget -relief] == "sunken"} { |
---|
941 | return "on" |
---|
942 | } |
---|
943 | return "off" |
---|
944 | } |
---|
945 | |
---|
946 | # ---------------------------------------------------------------------- |
---|
947 | # USAGE: FixSettings <what> ?<value>? |
---|
948 | # |
---|
949 | # Used internally to update rendering settings whenever parameters |
---|
950 | # change in the popup settings panel. Sends the new settings off |
---|
951 | # to the back end. |
---|
952 | # ---------------------------------------------------------------------- |
---|
953 | itcl::body Rappture::HeightmapViewer::FixSettings { what {value ""} } { |
---|
954 | switch -- $what { |
---|
955 | "legend" { |
---|
956 | if { $_settings($this-legend) } { |
---|
957 | pack $itk_component(legend) -side left -fill y |
---|
958 | } else { |
---|
959 | pack forget $itk_component(legend) |
---|
960 | } |
---|
961 | set lineht [expr [font metrics $itk_option(-font) -linespace] + 4] |
---|
962 | set w [expr {[winfo height $itk_component(legend)] - 2*$lineht}] |
---|
963 | set h [expr {[winfo width $itk_component(legend)] - 16}] |
---|
964 | set imap "" |
---|
965 | set dataobj [lindex [get] 0] |
---|
966 | if {"" != $dataobj} { |
---|
967 | set comp [lindex [$dataobj components] 0] |
---|
968 | if {[info exists _obj2id($dataobj-$comp)]} { |
---|
969 | set imap $_obj2id($dataobj-$comp) |
---|
970 | } |
---|
971 | } |
---|
972 | if {$w > 0 && $h > 0 && "" != $imap} { |
---|
973 | SendCmd "heightmap legend $imap $w $h" |
---|
974 | } else { |
---|
975 | $itk_component(legend) delete all |
---|
976 | } |
---|
977 | } |
---|
978 | "grid" { |
---|
979 | if { [IsConnected] } { |
---|
980 | SendCmd "grid visible $_settings($this-grid)" |
---|
981 | } |
---|
982 | } |
---|
983 | "axes" { |
---|
984 | if { [IsConnected] } { |
---|
985 | SendCmd "axis visible $_settings($this-axes)" |
---|
986 | } |
---|
987 | } |
---|
988 | "wireframe" { |
---|
989 | if { [IsConnected] } { |
---|
990 | SendCmd "heightmap polygon $_settings($this-wireframe)" |
---|
991 | } |
---|
992 | } |
---|
993 | "contourlines" { |
---|
994 | if {[IsConnected]} { |
---|
995 | set dataobj [lindex [get] 0] |
---|
996 | if {"" != $dataobj} { |
---|
997 | set comp [lindex [$dataobj components] 0] |
---|
998 | if {[info exists _obj2id($dataobj-$comp)]} { |
---|
999 | set i $_obj2id($dataobj-$comp) |
---|
1000 | set bool $_settings($this-contourlines) |
---|
1001 | SendCmd "heightmap linecontour visible $bool $i" |
---|
1002 | } |
---|
1003 | } |
---|
1004 | } |
---|
1005 | } |
---|
1006 | default { |
---|
1007 | error "don't know how to fix $what: should be grid, axes, contourlines, or legend" |
---|
1008 | } |
---|
1009 | } |
---|
1010 | } |
---|
1011 | |
---|
1012 | # ---------------------------------------------------------------------- |
---|
1013 | # USAGE: GetTransfuncData <dataobj> <comp> |
---|
1014 | # |
---|
1015 | # Used internally to compute the colormap and alpha map used to define |
---|
1016 | # a transfer function for the specified component in a data object. |
---|
1017 | # Returns: name {v r g b ...} {v w ...} |
---|
1018 | # ---------------------------------------------------------------------- |
---|
1019 | itcl::body Rappture::HeightmapViewer::GetTransfuncData {dataobj comp} { |
---|
1020 | array set style { |
---|
1021 | -color rainbow |
---|
1022 | -levels 6 |
---|
1023 | -opacity 0.5 |
---|
1024 | } |
---|
1025 | array set style [lindex [$dataobj components -style $comp] 0] |
---|
1026 | set sname "$style(-color):$style(-levels):$style(-opacity)" |
---|
1027 | |
---|
1028 | if {$style(-color) == "rainbow"} { |
---|
1029 | set style(-color) "white:yellow:green:cyan:blue:magenta" |
---|
1030 | } |
---|
1031 | set clist [split $style(-color) :] |
---|
1032 | set color white |
---|
1033 | set cmap "0.0 [Color2RGB $color] " |
---|
1034 | set range [expr $_limits(vmax) - $_limits(vmin)] |
---|
1035 | for {set i 0} {$i < [llength $clist]} {incr i} { |
---|
1036 | set xval [expr {double($i+1)/([llength $clist]+1)}] |
---|
1037 | set color [lindex $clist $i] |
---|
1038 | append cmap "$xval [Color2RGB $color] " |
---|
1039 | } |
---|
1040 | append cmap "1.0 [Color2RGB $color] " |
---|
1041 | |
---|
1042 | set opacity $style(-opacity) |
---|
1043 | set levels $style(-levels) |
---|
1044 | set wmap {} |
---|
1045 | if {[string is int $levels]} { |
---|
1046 | lappend wmap 0.0 0.0 |
---|
1047 | set delta [expr {0.125/($levels+1)}] |
---|
1048 | for {set i 1} {$i <= $levels} {incr i} { |
---|
1049 | # add spikes in the middle |
---|
1050 | set xval [expr {double($i)/($levels+1)}] |
---|
1051 | lappend wmap [expr {$xval-$delta-0.01}] 0.0 |
---|
1052 | lappend wmap [expr {$xval-$delta}] $opacity |
---|
1053 | lappend wmap [expr {$xval+$delta}] $opacity |
---|
1054 | lappend wmap [expr {$xval+$delta+0.01}] 0.0 |
---|
1055 | } |
---|
1056 | lappend wmap 1.0 0.0 |
---|
1057 | } else { |
---|
1058 | lappend wmap 0.0 0.0 |
---|
1059 | set delta 0.05 |
---|
1060 | foreach xval [split $levels ,] { |
---|
1061 | lappend wmap [expr {$xval-$delta}] 0.0 |
---|
1062 | lappend $xval $opacity |
---|
1063 | lappend [expr {$xval+$delta}] 0.0 |
---|
1064 | } |
---|
1065 | lappend wmap 1.0 0.0 |
---|
1066 | } |
---|
1067 | return [list $sname $cmap $wmap] |
---|
1068 | } |
---|
1069 | |
---|
1070 | # ---------------------------------------------------------------------- |
---|
1071 | # CONFIGURATION OPTION: -plotbackground |
---|
1072 | # ---------------------------------------------------------------------- |
---|
1073 | itcl::configbody Rappture::HeightmapViewer::plotbackground { |
---|
1074 | foreach {r g b} [Color2RGB $itk_option(-plotbackground)] break |
---|
1075 | #fix this! |
---|
1076 | #SendCmd "color background $r $g $b" |
---|
1077 | } |
---|
1078 | |
---|
1079 | # ---------------------------------------------------------------------- |
---|
1080 | # CONFIGURATION OPTION: -plotforeground |
---|
1081 | # ---------------------------------------------------------------------- |
---|
1082 | itcl::configbody Rappture::HeightmapViewer::plotforeground { |
---|
1083 | foreach {r g b} [Color2RGB $itk_option(-plotforeground)] break |
---|
1084 | #fix this! |
---|
1085 | #SendCmd "color background $r $g $b" |
---|
1086 | } |
---|
1087 | |
---|
1088 | # ---------------------------------------------------------------------- |
---|
1089 | # CONFIGURATION OPTION: -plotoutline |
---|
1090 | # ---------------------------------------------------------------------- |
---|
1091 | itcl::configbody Rappture::HeightmapViewer::plotoutline { |
---|
1092 | if {[IsConnected]} { |
---|
1093 | SendCmd "grid linecolor [Color2RGB $itk_option(-plotoutline)]" |
---|
1094 | } |
---|
1095 | } |
---|
1096 | |
---|
1097 | |
---|
1098 | |
---|
1099 | # camera -- |
---|
1100 | # |
---|
1101 | itcl::body Rappture::HeightmapViewer::camera {option args} { |
---|
1102 | switch -- $option { |
---|
1103 | "show" { |
---|
1104 | puts [array get _view] |
---|
1105 | } |
---|
1106 | "set" { |
---|
1107 | set who [lindex $args 0] |
---|
1108 | set x $_settings($this-$who) |
---|
1109 | set code [catch { string is double $x } result] |
---|
1110 | if { $code != 0 || !$result } { |
---|
1111 | set _settings($this-$who) $_view($who) |
---|
1112 | return |
---|
1113 | } |
---|
1114 | switch -- $who { |
---|
1115 | "pan-x" - "pan-y" { |
---|
1116 | set _view($who) $_settings($this-$who) |
---|
1117 | PanCamera |
---|
1118 | } |
---|
1119 | "phi" - "theta" - "psi" { |
---|
1120 | set _view($who) $_settings($this-$who) |
---|
1121 | set xyz [Euler2XYZ $_view(theta) $_view(phi) $_view(psi)] |
---|
1122 | SendCmd "camera angle $xyz" |
---|
1123 | } |
---|
1124 | "zoom" { |
---|
1125 | set _view($who) $_settings($this-$who) |
---|
1126 | SendCmd "camera zoom $_view(zoom)" |
---|
1127 | } |
---|
1128 | } |
---|
1129 | } |
---|
1130 | } |
---|
1131 | } |
---|
1132 | |
---|
1133 | itcl::body Rappture::HeightmapViewer::BuildViewTab {} { |
---|
1134 | set fg [option get $itk_component(hull) font Font] |
---|
1135 | |
---|
1136 | set inner [$itk_component(main) insert end \ |
---|
1137 | -title "View Settings" \ |
---|
1138 | -icon [Rappture::icon wrench]] |
---|
1139 | $inner configure -borderwidth 4 |
---|
1140 | |
---|
1141 | foreach { key value } { |
---|
1142 | grid 1 |
---|
1143 | axes 0 |
---|
1144 | contourlines 1 |
---|
1145 | wireframe fill |
---|
1146 | legend 1 |
---|
1147 | } { |
---|
1148 | set _settings($this-$key) $value |
---|
1149 | } |
---|
1150 | |
---|
1151 | checkbutton $inner.grid \ |
---|
1152 | -text "grid" \ |
---|
1153 | -variable [itcl::scope _settings($this-grid)] \ |
---|
1154 | -command [itcl::code $this FixSettings grid] \ |
---|
1155 | -font "Arial 9" |
---|
1156 | checkbutton $inner.axes \ |
---|
1157 | -text "axes" \ |
---|
1158 | -variable ::Rappture::HeightmapViewer::_settings($this-axes) \ |
---|
1159 | -command [itcl::code $this FixSettings axes] \ |
---|
1160 | -font "Arial 9" |
---|
1161 | checkbutton $inner.contourlines \ |
---|
1162 | -text "contour lines" \ |
---|
1163 | -variable ::Rappture::HeightmapViewer::_settings($this-contourlines) \ |
---|
1164 | -command [itcl::code $this FixSettings contourlines]\ |
---|
1165 | -font "Arial 9" |
---|
1166 | checkbutton $inner.wireframe \ |
---|
1167 | -text "wireframe" \ |
---|
1168 | -onvalue "wireframe" -offvalue "fill" \ |
---|
1169 | -variable ::Rappture::HeightmapViewer::_settings($this-wireframe) \ |
---|
1170 | -command [itcl::code $this FixSettings wireframe]\ |
---|
1171 | -font "Arial 9" |
---|
1172 | checkbutton $inner.legend \ |
---|
1173 | -text "legend" \ |
---|
1174 | -variable ::Rappture::HeightmapViewer::_settings($this-legend) \ |
---|
1175 | -command [itcl::code $this FixSettings legend]\ |
---|
1176 | -font "Arial 9" |
---|
1177 | |
---|
1178 | blt::table $inner \ |
---|
1179 | 1,1 $inner.grid -anchor w \ |
---|
1180 | 2,1 $inner.axes -anchor w \ |
---|
1181 | 3,1 $inner.contourlines -anchor w \ |
---|
1182 | 4,1 $inner.wireframe -anchor w \ |
---|
1183 | 5,1 $inner.legend -anchor w |
---|
1184 | |
---|
1185 | blt::table configure $inner c2 -resize expand |
---|
1186 | blt::table configure $inner c1 -resize none |
---|
1187 | for {set n 0} {$n <= 5} {incr n} { |
---|
1188 | blt::table configure $inner r$n -resize none |
---|
1189 | } |
---|
1190 | blt::table configure $inner r$n -resize expand |
---|
1191 | } |
---|
1192 | |
---|
1193 | itcl::body Rappture::HeightmapViewer::BuildCameraTab {} { |
---|
1194 | set fg [option get $itk_component(hull) font Font] |
---|
1195 | |
---|
1196 | set inner [$itk_component(main) insert end \ |
---|
1197 | -title "Camera Settings" \ |
---|
1198 | -icon [Rappture::icon camera]] |
---|
1199 | $inner configure -borderwidth 4 |
---|
1200 | |
---|
1201 | set labels { phi theta psi pan-x pan-y zoom } |
---|
1202 | set row 1 |
---|
1203 | foreach tag $labels { |
---|
1204 | label $inner.${tag}label -text $tag -font "Arial 9" |
---|
1205 | entry $inner.${tag} -font "Arial 9" -bg white -width 10 \ |
---|
1206 | -textvariable [itcl::scope _settings($this-$tag)] |
---|
1207 | bind $inner.${tag} <KeyPress-Return> \ |
---|
1208 | [itcl::code $this camera set ${tag}] |
---|
1209 | blt::table $inner \ |
---|
1210 | $row,1 $inner.${tag}label -anchor e \ |
---|
1211 | $row,2 $inner.${tag} -anchor w |
---|
1212 | blt::table configure $inner r$row -resize none |
---|
1213 | incr row |
---|
1214 | } |
---|
1215 | blt::table configure $inner c1 c2 -resize none |
---|
1216 | blt::table configure $inner c3 -resize expand |
---|
1217 | blt::table configure $inner r$row -resize expand |
---|
1218 | } |
---|
1219 | |
---|
1220 | itcl::body Rappture::HeightmapViewer::Resize { w h } { |
---|
1221 | #puts stderr "w=$w h=$h" |
---|
1222 | SendCmd "screen $w $h" |
---|
1223 | } |
---|