1 | |
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2 | # ---------------------------------------------------------------------- |
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3 | # COMPONENT: nanovisviewer - 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 | package require Itk |
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16 | package require BLT |
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17 | package require Img |
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18 | |
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19 | option add *NanovisViewer.width 4i widgetDefault |
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20 | option add *NanovisViewer*cursor crosshair widgetDefault |
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21 | option add *NanovisViewer.height 4i widgetDefault |
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22 | option add *NanovisViewer.foreground black widgetDefault |
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23 | option add *NanovisViewer.controlBackground gray widgetDefault |
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24 | option add *NanovisViewer.controlDarkBackground #999999 widgetDefault |
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25 | option add *NanovisViewer.plotBackground black widgetDefault |
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26 | option add *NanovisViewer.plotForeground white widgetDefault |
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27 | option add *NanovisViewer.plotOutline gray widgetDefault |
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28 | option add *NanovisViewer.font \ |
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29 | -*-helvetica-medium-r-normal-*-12-* widgetDefault |
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30 | |
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31 | # must use this name -- plugs into Rappture::resources::load |
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32 | proc NanovisViewer_init_resources {} { |
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33 | Rappture::resources::register \ |
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34 | nanovis_server Rappture::NanovisViewer::SetServerList |
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35 | } |
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36 | |
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37 | itcl::class Rappture::NanovisViewer { |
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38 | inherit Rappture::VisViewer |
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39 | |
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40 | itk_option define -plotforeground plotForeground Foreground "" |
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41 | itk_option define -plotbackground plotBackground Background "" |
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42 | itk_option define -plotoutline plotOutline PlotOutline "" |
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43 | |
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44 | constructor { hostlist args } { |
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45 | Rappture::VisViewer::constructor $hostlist |
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46 | } { |
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47 | # defined below |
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48 | } |
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49 | destructor { |
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50 | # defined below |
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51 | } |
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52 | public proc SetServerList { namelist } { |
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53 | Rappture::VisViewer::SetServerList "nanovis" $namelist |
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54 | } |
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55 | public method add {dataobj {settings ""}} |
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56 | public method get {args} |
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57 | public method delete {args} |
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58 | public method scale {args} |
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59 | public method GetLimits { {ivol ""} } { |
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60 | if { $ivol != "" } { |
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61 | set _limits(min) $_limits($ivol-min) |
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62 | set _limits(max) $_limits($ivol-max) |
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63 | } |
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64 | return [array get _limits] |
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65 | } |
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66 | public method download {option args} |
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67 | public method parameters {title args} { |
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68 | # do nothing |
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69 | } |
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70 | public method isconnected {} |
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71 | public method UpdateTransferFunction { ivol } |
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72 | public method RemoveDuplicateIsoMarker { m x } |
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73 | public method OverIsoMarker { m x } |
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74 | |
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75 | protected method Connect {} |
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76 | protected method Disconnect {} |
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77 | |
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78 | protected method _send {string} |
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79 | protected method _send_dataobjs {} |
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80 | protected method _send_transfunc {} |
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81 | |
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82 | protected method _ReceiveImage {option size} |
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83 | protected method _ReceiveLegend { ivol vmin vmax size } |
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84 | protected method _ReceiveData { args } |
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85 | |
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86 | protected method _rebuild {} |
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87 | protected method _currentVolumeIds {{what -all}} |
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88 | protected method _zoom {option} |
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89 | protected method _move {option x y} |
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90 | protected method _slice {option args} |
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91 | protected method _slicertip {axis} |
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92 | protected method _probe {option args} |
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93 | protected method _marker {index option args} |
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94 | |
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95 | protected method _state {comp} |
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96 | protected method _fixSettings {what {value ""}} |
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97 | protected method _fixLegend {} |
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98 | |
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99 | # The following methods are only used by this class. |
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100 | private method _DefineTransferFunction { ivol } |
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101 | private method _AddIsoMarker { ivol x y } |
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102 | private method _InitIsoMarkers { ivol } |
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103 | private method _HideIsoMarkers { ivol } |
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104 | private method _ShowIsoMarkers { ivol } |
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105 | private method _ParseMarkersOption { ivol markers } |
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106 | private method _ParseLevelsOption { ivol levels } |
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107 | |
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108 | private variable _outbuf ;# buffer for outgoing commands |
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109 | |
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110 | private variable _dlist "" ;# list of data objects |
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111 | private variable _all_data_objs |
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112 | private variable _dims "" ;# dimensionality of data objects |
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113 | private variable _id2style ;# maps id => style settings |
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114 | private variable _obj2ovride ;# maps dataobj => style override |
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115 | private variable _obj2id ;# maps dataobj => volume ID in server |
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116 | private variable _id2obj ;# maps dataobj => volume ID in server |
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117 | private variable _sendobjs "" ;# list of data objs to send to server |
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118 | private variable _sendobjs2 "" ;# list of data objs to send to server |
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119 | private variable _receiveids ;# list of data objs to send to server |
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120 | |
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121 | private variable _click ;# info used for _move operations |
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122 | private variable _limits ;# autoscale min/max for all axes |
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123 | private variable _view ;# view params for 3D view |
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124 | |
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125 | private variable _isomarkers ;# array of isosurface level values 0..1 |
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126 | private variable _styles |
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127 | private common _settings |
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128 | private variable _currentVolId "" |
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129 | } |
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130 | |
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131 | itk::usual NanovisViewer { |
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132 | keep -background -foreground -cursor -font |
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133 | keep -plotbackground -plotforeground |
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134 | } |
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135 | |
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136 | # ---------------------------------------------------------------------- |
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137 | # CONSTRUCTOR |
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138 | # ---------------------------------------------------------------------- |
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139 | itcl::body Rappture::NanovisViewer::constructor {hostlist args} { |
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140 | |
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141 | # Draw legend event |
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142 | $_dispatcher register !legend |
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143 | $_dispatcher dispatch $this !legend "[itcl::code $this _fixLegend]; list" |
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144 | # Send dataobjs event |
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145 | $_dispatcher register !send_dataobjs |
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146 | $_dispatcher dispatch $this !send_dataobjs \ |
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147 | "[itcl::code $this _send_dataobjs]; list" |
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148 | # Send transfer functions event |
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149 | $_dispatcher register !send_transfunc |
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150 | $_dispatcher dispatch $this !send_transfunc \ |
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151 | "[itcl::code $this _send_transfunc]; list" |
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152 | # Rebuild event |
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153 | $_dispatcher register !rebuild |
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154 | $_dispatcher dispatch $this !rebuild "[itcl::code $this _rebuild]; list" |
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155 | |
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156 | set _outbuf "" |
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157 | |
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158 | # |
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159 | # Populate parser with commands handle incoming requests |
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160 | # |
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161 | $_parser alias image [itcl::code $this _ReceiveImage] |
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162 | $_parser alias legend [itcl::code $this _ReceiveLegend] |
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163 | $_parser alias data [itcl::code $this _ReceiveData] |
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164 | |
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165 | # Initialize the view to some default parameters. |
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166 | array set _view { |
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167 | theta 45 |
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168 | phi 45 |
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169 | psi 0 |
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170 | zoom 1.0 |
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171 | xfocus 0 |
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172 | yfocus 0 |
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173 | zfocus 0 |
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174 | } |
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175 | set _obj2id(count) 0 |
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176 | set _id2obj(count) 0 |
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177 | set _limits(vmin) 0.0 |
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178 | set _limits(vmax) 1.0 |
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179 | |
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180 | itk_component add zoom { |
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181 | frame $itk_component(controls).zoom |
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182 | } { |
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183 | usual |
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184 | rename -background -controlbackground controlBackground Background |
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185 | } |
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186 | pack $itk_component(zoom) -side top |
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187 | |
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188 | itk_component add reset { |
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189 | button $itk_component(zoom).reset \ |
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190 | -borderwidth 1 -padx 1 -pady 1 \ |
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191 | -bitmap [Rappture::icon reset] \ |
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192 | -command [itcl::code $this _zoom reset] |
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193 | } { |
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194 | usual |
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195 | ignore -borderwidth |
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196 | rename -highlightbackground -controlbackground controlBackground Background |
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197 | } |
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198 | pack $itk_component(reset) -side left -padx {4 1} -pady 4 |
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199 | Rappture::Tooltip::for $itk_component(reset) "Reset the view to the default zoom level" |
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200 | |
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201 | itk_component add zoomin { |
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202 | button $itk_component(zoom).zin \ |
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203 | -borderwidth 1 -padx 1 -pady 1 \ |
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204 | -bitmap [Rappture::icon zoomin] \ |
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205 | -command [itcl::code $this _zoom in] |
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206 | } { |
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207 | usual |
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208 | ignore -borderwidth |
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209 | rename -highlightbackground -controlbackground controlBackground Background |
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210 | } |
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211 | pack $itk_component(zoomin) -side left -padx 1 -pady 4 |
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212 | Rappture::Tooltip::for $itk_component(zoomin) "Zoom in" |
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213 | |
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214 | itk_component add zoomout { |
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215 | button $itk_component(zoom).zout \ |
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216 | -borderwidth 1 -padx 1 -pady 1 \ |
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217 | -bitmap [Rappture::icon zoomout] \ |
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218 | -command [itcl::code $this _zoom out] |
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219 | } { |
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220 | usual |
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221 | ignore -borderwidth |
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222 | rename -highlightbackground -controlbackground controlBackground Background |
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223 | } |
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224 | pack $itk_component(zoomout) -side left -padx {1 4} -pady 4 |
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225 | Rappture::Tooltip::for $itk_component(zoomout) "Zoom out" |
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226 | |
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227 | # |
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228 | # Create slicer controls... |
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229 | # |
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230 | itk_component add slicers { |
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231 | frame $itk_component(controls).slicers |
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232 | } { |
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233 | usual |
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234 | rename -background -controlbackground controlBackground Background |
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235 | } |
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236 | pack $itk_component(slicers) -side bottom -padx 4 -pady 4 |
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237 | grid rowconfigure $itk_component(slicers) 1 -weight 1 |
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238 | # |
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239 | # X-value slicer... |
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240 | # |
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241 | itk_component add xslice { |
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242 | label $itk_component(slicers).xslice \ |
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243 | -borderwidth 1 -relief raised -padx 1 -pady 1 \ |
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244 | -bitmap [Rappture::icon x] |
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245 | } { |
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246 | usual |
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247 | ignore -borderwidth |
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248 | rename -highlightbackground -controlbackground controlBackground Background |
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249 | } |
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250 | bind $itk_component(xslice) <ButtonPress> \ |
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251 | [itcl::code $this _slice axis x toggle] |
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252 | Rappture::Tooltip::for $itk_component(xslice) \ |
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253 | "Toggle the X cut plane on/off" |
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254 | grid $itk_component(xslice) -row 1 -column 0 -sticky ew -padx 1 |
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255 | |
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256 | itk_component add xslicer { |
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257 | ::scale $itk_component(slicers).xval -from 100 -to 0 \ |
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258 | -width 10 -orient vertical -showvalue off \ |
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259 | -borderwidth 1 -highlightthickness 0 \ |
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260 | -command [itcl::code $this _slice move x] |
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261 | } { |
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262 | usual |
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263 | ignore -borderwidth |
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264 | ignore -highlightthickness |
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265 | rename -highlightbackground -controlbackground controlBackground Background |
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266 | rename -troughcolor -controldarkbackground controlDarkBackground Background |
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267 | } |
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268 | $itk_component(xslicer) set 50 |
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269 | $itk_component(xslicer) configure -state disabled |
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270 | grid $itk_component(xslicer) -row 2 -column 0 -padx 1 |
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271 | Rappture::Tooltip::for $itk_component(xslicer) \ |
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272 | "@[itcl::code $this _slicertip x]" |
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273 | |
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274 | # |
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275 | # Y-value slicer... |
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276 | # |
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277 | itk_component add yslice { |
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278 | label $itk_component(slicers).yslice \ |
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279 | -borderwidth 1 -relief raised -padx 1 -pady 1 \ |
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280 | -bitmap [Rappture::icon y] |
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281 | } { |
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282 | usual |
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283 | ignore -borderwidth |
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284 | rename -highlightbackground -controlbackground controlBackground Background |
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285 | } |
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286 | bind $itk_component(yslice) <ButtonPress> \ |
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287 | [itcl::code $this _slice axis y toggle] |
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288 | Rappture::Tooltip::for $itk_component(yslice) \ |
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289 | "Toggle the Y cut plane on/off" |
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290 | grid $itk_component(yslice) -row 1 -column 1 -sticky ew -padx 1 |
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291 | |
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292 | itk_component add yslicer { |
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293 | ::scale $itk_component(slicers).yval -from 100 -to 0 \ |
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294 | -width 10 -orient vertical -showvalue off \ |
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295 | -borderwidth 1 -highlightthickness 0 \ |
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296 | -command [itcl::code $this _slice move y] |
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297 | } { |
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298 | usual |
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299 | ignore -borderwidth |
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300 | ignore -highlightthickness |
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301 | rename -highlightbackground -controlbackground controlBackground Background |
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302 | rename -troughcolor -controldarkbackground controlDarkBackground Background |
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303 | } |
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304 | $itk_component(yslicer) set 50 |
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305 | $itk_component(yslicer) configure -state disabled |
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306 | grid $itk_component(yslicer) -row 2 -column 1 -padx 1 |
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307 | Rappture::Tooltip::for $itk_component(yslicer) \ |
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308 | "@[itcl::code $this _slicertip y]" |
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309 | |
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310 | # |
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311 | # Z-value slicer... |
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312 | # |
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313 | itk_component add zslice { |
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314 | label $itk_component(slicers).zslice \ |
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315 | -borderwidth 1 -relief raised -padx 1 -pady 1 \ |
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316 | -bitmap [Rappture::icon z] |
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317 | } { |
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318 | usual |
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319 | ignore -borderwidth |
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320 | rename -highlightbackground -controlbackground controlBackground Background |
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321 | } |
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322 | grid $itk_component(zslice) -row 1 -column 2 -sticky ew -padx 1 |
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323 | bind $itk_component(zslice) <ButtonPress> \ |
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324 | [itcl::code $this _slice axis z toggle] |
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325 | Rappture::Tooltip::for $itk_component(zslice) \ |
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326 | "Toggle the Z cut plane on/off" |
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327 | |
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328 | itk_component add zslicer { |
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329 | ::scale $itk_component(slicers).zval -from 100 -to 0 \ |
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330 | -width 10 -orient vertical -showvalue off \ |
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331 | -borderwidth 1 -highlightthickness 0 \ |
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332 | -command [itcl::code $this _slice move z] |
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333 | } { |
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334 | usual |
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335 | ignore -borderwidth |
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336 | ignore -highlightthickness |
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337 | rename -highlightbackground -controlbackground controlBackground Background |
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338 | rename -troughcolor -controldarkbackground controlDarkBackground Background |
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339 | } |
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340 | $itk_component(zslicer) set 50 |
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341 | $itk_component(zslicer) configure -state disabled |
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342 | grid $itk_component(zslicer) -row 2 -column 2 -padx 1 |
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343 | Rappture::Tooltip::for $itk_component(zslicer) \ |
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344 | "@[itcl::code $this _slicertip z]" |
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345 | |
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346 | # |
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347 | # Volume toggle... |
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348 | # |
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349 | itk_component add volume { |
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350 | label $itk_component(slicers).volume \ |
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351 | -borderwidth 1 -relief sunken -padx 1 -pady 1 \ |
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352 | -text "Volume" |
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353 | } { |
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354 | usual |
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355 | ignore -borderwidth |
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356 | rename -highlightbackground -controlbackground controlBackground Background |
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357 | } |
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358 | bind $itk_component(volume) <ButtonPress> \ |
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359 | [itcl::code $this _slice volume toggle] |
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360 | Rappture::Tooltip::for $itk_component(volume) \ |
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361 | "Toggle the volume cloud on/off" |
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362 | grid $itk_component(volume) -row 0 -column 0 -columnspan 3 \ |
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363 | -sticky ew -padx 1 -pady 3 |
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364 | |
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365 | # |
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366 | # Settings panel... |
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367 | # |
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368 | itk_component add settings { |
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369 | button $itk_component(controls).settings -text "Settings..." \ |
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370 | -borderwidth 1 -relief flat -overrelief raised \ |
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371 | -padx 2 -pady 1 \ |
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372 | -command [list $itk_component(controls).panel activate $itk_component(controls).settings left] |
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373 | } { |
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374 | usual |
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375 | ignore -borderwidth |
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376 | rename -background -controlbackground controlBackground Background |
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377 | rename -highlightbackground -controlbackground controlBackground Background |
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378 | } |
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379 | pack $itk_component(settings) -side top -pady 8 |
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380 | |
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381 | Rappture::Balloon $itk_component(controls).panel -title "Settings" |
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382 | set inner [$itk_component(controls).panel component inner] |
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383 | frame $inner.scales |
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384 | pack $inner.scales -side top -fill x |
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385 | grid columnconfigure $inner.scales 1 -weight 1 |
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386 | set fg [option get $itk_component(hull) font Font] |
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387 | |
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388 | label $inner.scales.diml -text "Dim" -font $fg |
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389 | grid $inner.scales.diml -row 0 -column 0 -sticky e |
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390 | ::scale $inner.scales.light -from 0 -to 100 -orient horizontal \ |
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391 | -showvalue off -command [itcl::code $this _fixSettings light] |
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392 | grid $inner.scales.light -row 0 -column 1 -sticky ew |
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393 | label $inner.scales.brightl -text "Bright" -font $fg |
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394 | grid $inner.scales.brightl -row 0 -column 2 -sticky w |
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395 | $inner.scales.light set 40 |
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396 | |
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397 | label $inner.scales.fogl -text "Fog" -font $fg |
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398 | grid $inner.scales.fogl -row 1 -column 0 -sticky e |
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399 | ::scale $inner.scales.transp -from 0 -to 100 -orient horizontal \ |
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400 | -showvalue off -command [itcl::code $this _fixSettings transp] |
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401 | grid $inner.scales.transp -row 1 -column 1 -sticky ew |
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402 | label $inner.scales.plasticl -text "Plastic" -font $fg |
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403 | grid $inner.scales.plasticl -row 1 -column 2 -sticky w |
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404 | $inner.scales.transp set 50 |
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405 | |
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406 | label $inner.scales.zerol -text "Clear" -font $fg |
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407 | grid $inner.scales.zerol -row 2 -column 0 -sticky e |
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408 | ::scale $inner.scales.opacity -from 0 -to 100 -orient horizontal \ |
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409 | -showvalue off -command [itcl::code $this _fixSettings opacity] |
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410 | grid $inner.scales.opacity -row 2 -column 1 -sticky ew |
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411 | label $inner.scales.onel -text "Opaque" -font $fg |
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412 | grid $inner.scales.onel -row 2 -column 2 -sticky w |
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413 | $inner.scales.opacity set 100 |
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414 | |
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415 | label $inner.scales.thinl -text "Thin" -font $fg |
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416 | grid $inner.scales.thinl -row 3 -column 0 -sticky e |
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417 | ::scale $inner.scales.thickness -from 0 -to 1000 -orient horizontal \ |
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418 | -showvalue off -command [itcl::code $this _fixSettings thickness] |
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419 | grid $inner.scales.thickness -row 3 -column 1 -sticky ew |
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420 | label $inner.scales.thickl -text "Thick" -font $fg |
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421 | grid $inner.scales.thickl -row 3 -column 2 -sticky w |
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422 | $inner.scales.thickness set 500 |
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423 | |
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424 | set ::Rappture::NanovisViewer::_settings($this-isosurface) 0 |
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425 | ::checkbutton $inner.scales.isosurface \ |
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426 | -text "Isosurface shading" \ |
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427 | -variable ::Rappture::NanovisViewer::_settings($this-isosurface) \ |
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428 | -command [itcl::code $this _fixSettings isosurface] |
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429 | grid $inner.scales.isosurface -row 4 -column 0 -columnspan 2 -sticky w |
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430 | |
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431 | set ::Rappture::NanovisViewer::_settings($this-axes) 1 |
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432 | ::checkbutton $inner.scales.axes \ |
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433 | -text "Axes" \ |
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434 | -variable ::Rappture::NanovisViewer::_settings($this-axes) \ |
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435 | -command [itcl::code $this _fixSettings axes] |
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436 | grid $inner.scales.axes -row 5 -column 0 -columnspan 2 -sticky w |
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437 | |
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438 | set ::Rappture::NanovisViewer::_settings($this-grid) 0 |
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439 | ::checkbutton $inner.scales.grid \ |
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440 | -text "Grid" \ |
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441 | -variable ::Rappture::NanovisViewer::_settings($this-grid) \ |
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442 | -command [itcl::code $this _fixSettings grid] |
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443 | grid $inner.scales.grid -row 6 -column 0 -columnspan 2 -sticky w |
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444 | |
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445 | set ::Rappture::NanovisViewer::_settings($this-outline) 1 |
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446 | ::checkbutton $inner.scales.outline \ |
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447 | -text "Outline" \ |
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448 | -variable ::Rappture::NanovisViewer::_settings($this-outline) \ |
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449 | -command [itcl::code $this _fixSettings outline] |
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450 | grid $inner.scales.outline -row 7 -column 0 -columnspan 2 -sticky w |
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451 | |
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452 | # Legend |
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453 | |
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454 | set _image(legend) [image create photo] |
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455 | itk_component add legend { |
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456 | canvas $itk_component(area).legend -height 50 -highlightthickness 0 |
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457 | } { |
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458 | usual |
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459 | ignore -highlightthickness |
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460 | rename -background -plotbackground plotBackground Background |
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461 | } |
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462 | pack $itk_component(legend) -side bottom -fill x |
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463 | bind $itk_component(legend) <Configure> \ |
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464 | [list $_dispatcher event -idle !legend] |
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465 | |
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466 | # set up bindings for rotation |
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467 | bind $itk_component(3dview) <ButtonPress> \ |
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468 | [itcl::code $this _move click %x %y] |
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469 | bind $itk_component(3dview) <B1-Motion> \ |
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470 | [itcl::code $this _move drag %x %y] |
---|
471 | bind $itk_component(3dview) <ButtonRelease> \ |
---|
472 | [itcl::code $this _move release %x %y] |
---|
473 | bind $itk_component(3dview) <Configure> \ |
---|
474 | [itcl::code $this _send "screen %w %h"] |
---|
475 | |
---|
476 | set _image(download) [image create photo] |
---|
477 | |
---|
478 | eval itk_initialize $args |
---|
479 | |
---|
480 | Connect |
---|
481 | } |
---|
482 | |
---|
483 | # ---------------------------------------------------------------------- |
---|
484 | # DESTRUCTOR |
---|
485 | # ---------------------------------------------------------------------- |
---|
486 | itcl::body Rappture::NanovisViewer::destructor {} { |
---|
487 | set _sendobjs "" ;# stop any send in progress |
---|
488 | set _sendobjs2 "" ;# stop any send in progress |
---|
489 | $_dispatcher cancel !rebuild |
---|
490 | $_dispatcher cancel !send_dataobjs |
---|
491 | $_dispatcher cancel !send_transfunc |
---|
492 | image delete $_image(plot) |
---|
493 | image delete $_image(legend) |
---|
494 | image delete $_image(download) |
---|
495 | array unset _settings $this-* |
---|
496 | } |
---|
497 | |
---|
498 | # ---------------------------------------------------------------------- |
---|
499 | # USAGE: add <dataobj> ?<settings>? |
---|
500 | # |
---|
501 | # Clients use this to add a data object to the plot. The optional |
---|
502 | # <settings> are used to configure the plot. Allowed settings are |
---|
503 | # -color, -brightness, -width, -linestyle, and -raise. |
---|
504 | # ---------------------------------------------------------------------- |
---|
505 | itcl::body Rappture::NanovisViewer::add {dataobj {settings ""}} { |
---|
506 | array set params { |
---|
507 | -color auto |
---|
508 | -width 1 |
---|
509 | -linestyle solid |
---|
510 | -brightness 0 |
---|
511 | -raise 0 |
---|
512 | -description "" |
---|
513 | -param "" |
---|
514 | } |
---|
515 | foreach {opt val} $settings { |
---|
516 | if {![info exists params($opt)]} { |
---|
517 | error "bad setting \"$opt\": should be [join [lsort [array names params]] {, }]" |
---|
518 | } |
---|
519 | set params($opt) $val |
---|
520 | } |
---|
521 | if {$params(-color) == "auto" || $params(-color) == "autoreset"} { |
---|
522 | # can't handle -autocolors yet |
---|
523 | set params(-color) black |
---|
524 | } |
---|
525 | |
---|
526 | set pos [lsearch -exact $dataobj $_dlist] |
---|
527 | if {$pos < 0} { |
---|
528 | lappend _dlist $dataobj |
---|
529 | set _all_data_objs($dataobj) 1 |
---|
530 | set _obj2ovride($dataobj-color) $params(-color) |
---|
531 | set _obj2ovride($dataobj-width) $params(-width) |
---|
532 | set _obj2ovride($dataobj-raise) $params(-raise) |
---|
533 | $_dispatcher event -idle !rebuild |
---|
534 | } |
---|
535 | } |
---|
536 | |
---|
537 | # ---------------------------------------------------------------------- |
---|
538 | # USAGE: get ?-objects? |
---|
539 | # USAGE: get ?-image 3dview|legend? |
---|
540 | # |
---|
541 | # Clients use this to query the list of objects being plotted, in |
---|
542 | # order from bottom to top of this result. The optional "-image" |
---|
543 | # flag can also request the internal images being shown. |
---|
544 | # ---------------------------------------------------------------------- |
---|
545 | itcl::body Rappture::NanovisViewer::get {args} { |
---|
546 | if {[llength $args] == 0} { |
---|
547 | set args "-objects" |
---|
548 | } |
---|
549 | |
---|
550 | set op [lindex $args 0] |
---|
551 | switch -- $op { |
---|
552 | -objects { |
---|
553 | # put the dataobj list in order according to -raise options |
---|
554 | set dlist $_dlist |
---|
555 | foreach obj $dlist { |
---|
556 | if {[info exists _obj2ovride($obj-raise)] && $_obj2ovride($obj-raise)} { |
---|
557 | set i [lsearch -exact $dlist $obj] |
---|
558 | if {$i >= 0} { |
---|
559 | set dlist [lreplace $dlist $i $i] |
---|
560 | lappend dlist $obj |
---|
561 | } |
---|
562 | } |
---|
563 | } |
---|
564 | return $dlist |
---|
565 | } |
---|
566 | -image { |
---|
567 | if {[llength $args] != 2} { |
---|
568 | error "wrong # args: should be \"get -image 3dview|legend\"" |
---|
569 | } |
---|
570 | switch -- [lindex $args end] { |
---|
571 | 3dview { |
---|
572 | return $_image(plot) |
---|
573 | } |
---|
574 | legend { |
---|
575 | return $_image(legend) |
---|
576 | } |
---|
577 | default { |
---|
578 | error "bad image name \"[lindex $args end]\": should be 3dview or legend" |
---|
579 | } |
---|
580 | } |
---|
581 | } |
---|
582 | default { |
---|
583 | error "bad option \"$op\": should be -objects or -image" |
---|
584 | } |
---|
585 | } |
---|
586 | } |
---|
587 | |
---|
588 | # ---------------------------------------------------------------------- |
---|
589 | # USAGE: delete ?<dataobj1> <dataobj2> ...? |
---|
590 | # |
---|
591 | # Clients use this to delete a dataobj from the plot. If no dataobjs |
---|
592 | # are specified, then all dataobjs are deleted. |
---|
593 | # ---------------------------------------------------------------------- |
---|
594 | itcl::body Rappture::NanovisViewer::delete {args} { |
---|
595 | if {[llength $args] == 0} { |
---|
596 | set args $_dlist |
---|
597 | } |
---|
598 | |
---|
599 | # delete all specified dataobjs |
---|
600 | set changed 0 |
---|
601 | foreach dataobj $args { |
---|
602 | set pos [lsearch -exact $_dlist $dataobj] |
---|
603 | if {$pos >= 0} { |
---|
604 | set _dlist [lreplace $_dlist $pos $pos] |
---|
605 | foreach key [array names _obj2ovride $dataobj-*] { |
---|
606 | unset _obj2ovride($key) |
---|
607 | } |
---|
608 | set changed 1 |
---|
609 | } |
---|
610 | } |
---|
611 | |
---|
612 | # if anything changed, then rebuild the plot |
---|
613 | if {$changed} { |
---|
614 | $_dispatcher event -idle !rebuild |
---|
615 | } |
---|
616 | } |
---|
617 | |
---|
618 | # ---------------------------------------------------------------------- |
---|
619 | # USAGE: scale ?<data1> <data2> ...? |
---|
620 | # |
---|
621 | # Sets the default limits for the overall plot according to the |
---|
622 | # limits of the data for all of the given <data> objects. This |
---|
623 | # accounts for all objects--even those not showing on the screen. |
---|
624 | # Because of this, the limits are appropriate for all objects as |
---|
625 | # the user scans through data in the ResultSet viewer. |
---|
626 | # ---------------------------------------------------------------------- |
---|
627 | itcl::body Rappture::NanovisViewer::scale {args} { |
---|
628 | foreach val {xmin xmax ymin ymax zmin zmax vmin vmax} { |
---|
629 | set _limits($val) "" |
---|
630 | } |
---|
631 | foreach obj $args { |
---|
632 | foreach axis {x y z v} { |
---|
633 | foreach {min max} [$obj limits $axis] break |
---|
634 | if {"" != $min && "" != $max} { |
---|
635 | if {"" == $_limits(${axis}min)} { |
---|
636 | set _limits(${axis}min) $min |
---|
637 | set _limits(${axis}max) $max |
---|
638 | } else { |
---|
639 | if {$min < $_limits(${axis}min)} { |
---|
640 | set _limits(${axis}min) $min |
---|
641 | } |
---|
642 | if {$max > $_limits(${axis}max)} { |
---|
643 | set _limits(${axis}max) $max |
---|
644 | } |
---|
645 | } |
---|
646 | } |
---|
647 | } |
---|
648 | } |
---|
649 | } |
---|
650 | |
---|
651 | # ---------------------------------------------------------------------- |
---|
652 | # USAGE: download coming |
---|
653 | # USAGE: download controls <downloadCommand> |
---|
654 | # USAGE: download now |
---|
655 | # |
---|
656 | # Clients use this method to create a downloadable representation |
---|
657 | # of the plot. Returns a list of the form {ext string}, where |
---|
658 | # "ext" is the file extension (indicating the type of data) and |
---|
659 | # "string" is the data itself. |
---|
660 | # ---------------------------------------------------------------------- |
---|
661 | itcl::body Rappture::NanovisViewer::download {option args} { |
---|
662 | switch $option { |
---|
663 | coming { |
---|
664 | if {[catch {blt::winop snap $itk_component(area) $_image(download)}]} { |
---|
665 | $_image(download) configure -width 1 -height 1 |
---|
666 | $_image(download) put #000000 |
---|
667 | } |
---|
668 | } |
---|
669 | controls { |
---|
670 | # no controls for this download yet |
---|
671 | return "" |
---|
672 | } |
---|
673 | now { |
---|
674 | # Doing an image base64 encode/decode has to be better than |
---|
675 | # writing the image to a file and reading it back in. |
---|
676 | set data [$_image(plot) data -format jpeg] |
---|
677 | set data [Rappture::encoding::decode -as b64 $data] |
---|
678 | return [list .jpg $data] |
---|
679 | } |
---|
680 | default { |
---|
681 | error "bad option \"$option\": should be coming, controls, now" |
---|
682 | } |
---|
683 | } |
---|
684 | } |
---|
685 | |
---|
686 | # ---------------------------------------------------------------------- |
---|
687 | # USAGE: Connect ?<host:port>,<host:port>...? |
---|
688 | # |
---|
689 | # Clients use this method to establish a connection to a new |
---|
690 | # server, or to reestablish a connection to the previous server. |
---|
691 | # Any existing connection is automatically closed. |
---|
692 | # ---------------------------------------------------------------------- |
---|
693 | itcl::body Rappture::NanovisViewer::Connect {} { |
---|
694 | set _hosts [GetServerList "nanovis"] |
---|
695 | if { "" == $_hosts } { |
---|
696 | return 0 |
---|
697 | } |
---|
698 | set result [VisViewer::Connect $_hosts] |
---|
699 | return $result |
---|
700 | } |
---|
701 | |
---|
702 | # |
---|
703 | # isconnected -- |
---|
704 | # |
---|
705 | # Indicates if we are currently connected to the visualization server. |
---|
706 | # |
---|
707 | itcl::body Rappture::NanovisViewer::isconnected {} { |
---|
708 | return [VisViewer::IsConnected] |
---|
709 | } |
---|
710 | |
---|
711 | # |
---|
712 | # Disconnect -- |
---|
713 | # |
---|
714 | # Clients use this method to disconnect from the current rendering |
---|
715 | # server. |
---|
716 | # |
---|
717 | itcl::body Rappture::NanovisViewer::Disconnect {} { |
---|
718 | VisViewer::Disconnect |
---|
719 | |
---|
720 | # disconnected -- no more data sitting on server |
---|
721 | set _outbuf "" |
---|
722 | catch {unset _obj2id} |
---|
723 | array unset _id2obj |
---|
724 | set _obj2id(count) 0 |
---|
725 | set _id2obj(count) 0 |
---|
726 | set _sendobjs "" |
---|
727 | set _sendobjs2 "" |
---|
728 | } |
---|
729 | |
---|
730 | # |
---|
731 | # _send |
---|
732 | # |
---|
733 | # Send commands off to the rendering server. If we're currently |
---|
734 | # sending data objects to the server, buffer the commands to be |
---|
735 | # sent later. |
---|
736 | # |
---|
737 | itcl::body Rappture::NanovisViewer::_send {string} { |
---|
738 | if {[llength $_sendobjs] > 0} { |
---|
739 | append _outbuf $string "\n" |
---|
740 | } else { |
---|
741 | if {[SendBytes $string]} { |
---|
742 | foreach line [split $string \n] { |
---|
743 | SendEcho >>line $line |
---|
744 | } |
---|
745 | } |
---|
746 | } |
---|
747 | } |
---|
748 | |
---|
749 | # ---------------------------------------------------------------------- |
---|
750 | # USAGE: _send_dataobjs |
---|
751 | # |
---|
752 | # Used internally to send a series of volume objects off to the |
---|
753 | # server. Sends each object, a little at a time, with updates in |
---|
754 | # between so the interface doesn't lock up. |
---|
755 | # ---------------------------------------------------------------------- |
---|
756 | itcl::body Rappture::NanovisViewer::_send_dataobjs {} { |
---|
757 | blt::busy hold $itk_component(hull); update idletasks |
---|
758 | |
---|
759 | foreach dataobj $_sendobjs { |
---|
760 | foreach comp [$dataobj components] { |
---|
761 | # send the data as one huge base64-encoded mess -- yuck! |
---|
762 | set data [$dataobj values $comp] |
---|
763 | set nbytes [string length $data] |
---|
764 | if { ![SendBytes "volume data follows $nbytes"] } { |
---|
765 | return |
---|
766 | } |
---|
767 | if { ![SendBytes $data] } { |
---|
768 | return |
---|
769 | } |
---|
770 | set ivol $_obj2id(count) |
---|
771 | incr _obj2id(count) |
---|
772 | |
---|
773 | set _id2obj($ivol) [list $dataobj $comp] |
---|
774 | set _obj2id($dataobj-$comp) $ivol |
---|
775 | set _receiveids($ivol) 1 |
---|
776 | |
---|
777 | } |
---|
778 | } |
---|
779 | set _sendobjs "" |
---|
780 | blt::busy release $itk_component(hull) |
---|
781 | |
---|
782 | # activate the proper volume |
---|
783 | set first [lindex [get] 0] |
---|
784 | if {"" != $first} { |
---|
785 | set axis [$first hints updir] |
---|
786 | if {"" != $axis} { |
---|
787 | _send "up $axis" |
---|
788 | } |
---|
789 | } |
---|
790 | foreach key [array names _obj2id *-*] { |
---|
791 | set state [string match $first-* $key] |
---|
792 | set ivol $_obj2id($key) |
---|
793 | _send "volume state $state $ivol" |
---|
794 | if {[info exists _id2style($ivol)]} { |
---|
795 | _send "volume shading transfunc $_id2style($ivol) $ivol" |
---|
796 | } |
---|
797 | } |
---|
798 | |
---|
799 | # sync the state of slicers |
---|
800 | set vols [_currentVolumeIds -cutplanes] |
---|
801 | foreach axis {x y z} { |
---|
802 | _send "cutplane state [_state ${axis}slice] $axis $vols" |
---|
803 | set pos [expr {0.01*[$itk_component(${axis}slicer) get]}] |
---|
804 | _send "cutplane position $pos $axis $vols" |
---|
805 | } |
---|
806 | _send "volume data state [_state volume] $vols" |
---|
807 | |
---|
808 | # if there are any commands in the buffer, send them now that we're done |
---|
809 | SendBytes $_outbuf |
---|
810 | set _outbuf "" |
---|
811 | |
---|
812 | $_dispatcher event -idle !legend |
---|
813 | } |
---|
814 | |
---|
815 | # ---------------------------------------------------------------------- |
---|
816 | # USAGE: _send_transfunc |
---|
817 | # ---------------------------------------------------------------------- |
---|
818 | itcl::body Rappture::NanovisViewer::_send_transfunc {} { |
---|
819 | if { ![_DefineTransferFunction $_currentVolId] } { |
---|
820 | return |
---|
821 | } |
---|
822 | _fixLegend |
---|
823 | $_dispatcher event -idle !legend |
---|
824 | } |
---|
825 | |
---|
826 | # ---------------------------------------------------------------------- |
---|
827 | # USAGE: _ReceiveImage -bytes <size> |
---|
828 | # |
---|
829 | # Invoked automatically whenever the "image" command comes in from |
---|
830 | # the rendering server. Indicates that binary image data with the |
---|
831 | # specified <size> will follow. |
---|
832 | # ---------------------------------------------------------------------- |
---|
833 | itcl::body Rappture::NanovisViewer::_ReceiveImage {option size} { |
---|
834 | if { [isconnected] } { |
---|
835 | set bytes [ReceiveBytes $size] |
---|
836 | $_image(plot) configure -data $bytes |
---|
837 | ReceiveEcho <<line "<read $size bytes for [image width $_image(plot)]x[image height $_image(plot)] image>" |
---|
838 | } |
---|
839 | } |
---|
840 | |
---|
841 | # ---------------------------------------------------------------------- |
---|
842 | # USAGE: _ReceiveLegend <volume> <vmin> <vmax> <size> |
---|
843 | # |
---|
844 | # Invoked automatically whenever the "legend" command comes in from |
---|
845 | # the rendering server. Indicates that binary image data with the |
---|
846 | # specified <size> will follow. |
---|
847 | # ---------------------------------------------------------------------- |
---|
848 | itcl::body Rappture::NanovisViewer::_ReceiveLegend { ivol vmin vmax size } { |
---|
849 | if { [isconnected] } { |
---|
850 | set bytes [ReceiveBytes $size] |
---|
851 | $_image(legend) configure -data $bytes |
---|
852 | ReceiveEcho <<line "<read $size bytes for [image width $_image(legend)]x[image height $_image(legend)] legend>" |
---|
853 | |
---|
854 | set c $itk_component(legend) |
---|
855 | set w [winfo width $c] |
---|
856 | set h [winfo height $c] |
---|
857 | foreach { dataobj comp } $_id2obj($ivol) break |
---|
858 | if {"" == [$c find withtag transfunc]} { |
---|
859 | $c create image 10 10 -anchor nw \ |
---|
860 | -image $_image(legend) -tags transfunc |
---|
861 | $c create text 10 [expr {$h-8}] -anchor sw \ |
---|
862 | -fill $itk_option(-plotforeground) -tags vmin |
---|
863 | $c create text [expr {$w-10}] [expr {$h-8}] -anchor se \ |
---|
864 | -fill $itk_option(-plotforeground) -tags vmax |
---|
865 | $c lower transfunc |
---|
866 | $c bind transfunc <ButtonRelease-1> \ |
---|
867 | [itcl::code $this _AddIsoMarker $ivol %x %y] |
---|
868 | } |
---|
869 | $c itemconfigure vmin -text $_limits($ivol-min) |
---|
870 | $c coords vmin 10 [expr {$h-8}] |
---|
871 | |
---|
872 | $c itemconfigure vmax -text $_limits($ivol-max) |
---|
873 | $c coords vmax [expr {$w-10}] [expr {$h-8}] |
---|
874 | |
---|
875 | _ShowIsoMarkers $ivol |
---|
876 | } |
---|
877 | } |
---|
878 | |
---|
879 | # ---------------------------------------------------------------------- |
---|
880 | # USAGE: _ReceiveData <volume> <vmin> <vmax> |
---|
881 | # |
---|
882 | # Invoked automatically whenever the "legend" command comes in from |
---|
883 | # the rendering server. Indicates that binary image data with the |
---|
884 | # specified <size> will follow. |
---|
885 | # ---------------------------------------------------------------------- |
---|
886 | itcl::body Rappture::NanovisViewer::_ReceiveData { args } { |
---|
887 | if { [isconnected] } { |
---|
888 | array set info $args |
---|
889 | set ivol $info(id) |
---|
890 | set _limits($ivol-min) $info(min) |
---|
891 | set _limits($ivol-max) $info(max) |
---|
892 | foreach { dataobj comp } $_id2obj($ivol) break |
---|
893 | |
---|
894 | if { ![info exists _limits($dataobj-vmin)] } { |
---|
895 | set _limits($dataobj-vmin) $info(min) |
---|
896 | set _limits($dataobj-vmax) $info(max) |
---|
897 | } else { |
---|
898 | if { $_limits($dataobj-vmin) > $info(min) } { |
---|
899 | set _limits($dataobj-vmin) $info(min) |
---|
900 | } |
---|
901 | if { $_limits($dataobj-vmax) < $info(max) } { |
---|
902 | set _limits($dataobj-vmax) $info(max) |
---|
903 | } |
---|
904 | } |
---|
905 | set _limits(vmin) $info(vmin) |
---|
906 | set _limits(vmax) $info(vmax) |
---|
907 | lappend _sendobjs2 $dataobj |
---|
908 | unset _receiveids($info(id)) |
---|
909 | |
---|
910 | if { ![info exists _isomarkers($ivol)] } { |
---|
911 | _InitIsoMarkers $ivol |
---|
912 | } else { |
---|
913 | _HideIsoMarkers $ivol |
---|
914 | } |
---|
915 | # We can update the transfer function now that we know the data limits. |
---|
916 | if { ![_DefineTransferFunction $ivol] } { |
---|
917 | return |
---|
918 | } |
---|
919 | _fixLegend |
---|
920 | } |
---|
921 | } |
---|
922 | |
---|
923 | # ---------------------------------------------------------------------- |
---|
924 | # USAGE: _rebuild |
---|
925 | # |
---|
926 | # Called automatically whenever something changes that affects the |
---|
927 | # data in the widget. Clears any existing data and rebuilds the |
---|
928 | # widget to display new data. |
---|
929 | # ---------------------------------------------------------------------- |
---|
930 | itcl::body Rappture::NanovisViewer::_rebuild {} { |
---|
931 | # in the midst of sending data? then bail out |
---|
932 | if {[llength $_sendobjs] > 0} { |
---|
933 | return |
---|
934 | } |
---|
935 | |
---|
936 | # Find any new data that needs to be sent to the server. Queue this up on |
---|
937 | # the _sendobjs list, and send it out a little at a time. Do this first, |
---|
938 | # before we rebuild the rest. |
---|
939 | foreach dataobj [get] { |
---|
940 | set comp [lindex [$dataobj components] 0] |
---|
941 | if {![info exists _obj2id($dataobj-$comp)]} { |
---|
942 | set i [lsearch -exact $_sendobjs $dataobj] |
---|
943 | if {$i < 0} { |
---|
944 | lappend _sendobjs $dataobj |
---|
945 | } |
---|
946 | } |
---|
947 | } |
---|
948 | if {[llength $_sendobjs] > 0} { |
---|
949 | # send off new data objects |
---|
950 | $_dispatcher event -idle !send_dataobjs |
---|
951 | } else { |
---|
952 | set w [winfo width $itk_component(3dview)] |
---|
953 | set h [winfo height $itk_component(3dview)] |
---|
954 | _send "screen $w $h" |
---|
955 | # nothing to send -- activate the proper ivol |
---|
956 | set first [lindex [get] 0] |
---|
957 | if {"" != $first} { |
---|
958 | set axis [$first hints updir] |
---|
959 | if {"" != $axis} { |
---|
960 | _send "up $axis" |
---|
961 | } |
---|
962 | } |
---|
963 | foreach key [array names _obj2id *-*] { |
---|
964 | set state [string match $first-* $key] |
---|
965 | _send "volume state $state $_obj2id($key)" |
---|
966 | } |
---|
967 | set comp [lindex [$dataobj components] 0] |
---|
968 | set ivol $_obj2id($first-$comp) |
---|
969 | |
---|
970 | _ShowIsoMarkers $ivol |
---|
971 | |
---|
972 | if { [info exists _settings($this-$ivol-opacity)] } { |
---|
973 | set inner [$itk_component(controls).panel component inner] |
---|
974 | set sval $_settings($this-$ivol-opacity) |
---|
975 | set sval [expr {round($sval * 100)}] |
---|
976 | $inner.scales.opacity set $sval |
---|
977 | } |
---|
978 | if { [info exists _settings($this-$ivol-thickness)] } { |
---|
979 | set inner [$itk_component(controls).panel component inner] |
---|
980 | set sval $_settings($this-$ivol-thickness) |
---|
981 | set sval [expr {round($sval * 10000.0)}] |
---|
982 | $inner.scales.thickness set $sval |
---|
983 | } |
---|
984 | UpdateTransferFunction $ivol |
---|
985 | |
---|
986 | # sync the state of slicers |
---|
987 | set vols [_currentVolumeIds -cutplanes] |
---|
988 | foreach axis {x y z} { |
---|
989 | _send "cutplane state [_state ${axis}slice] $axis $vols" |
---|
990 | set pos [expr {0.01*[$itk_component(${axis}slicer) get]}] |
---|
991 | _send "cutplane position $pos $axis $vols" |
---|
992 | } |
---|
993 | _send "volume data state [_state volume] $vols" |
---|
994 | $_dispatcher event -idle !legend |
---|
995 | } |
---|
996 | |
---|
997 | # |
---|
998 | # Reset the camera and other view parameters |
---|
999 | # |
---|
1000 | _send "camera angle [Euler2XYZ $_view(theta) $_view(phi) $_view(psi)]" |
---|
1001 | _send "camera zoom $_view(zoom)" |
---|
1002 | |
---|
1003 | _fixSettings light |
---|
1004 | _fixSettings transp |
---|
1005 | _fixSettings isosurface |
---|
1006 | _fixSettings opacity |
---|
1007 | _fixSettings thickness |
---|
1008 | _fixSettings grid |
---|
1009 | _fixSettings axes |
---|
1010 | _fixSettings outline |
---|
1011 | |
---|
1012 | |
---|
1013 | # if {"" == $itk_option(-plotoutline)} { |
---|
1014 | # _send "volume outline state off" |
---|
1015 | # } else { |
---|
1016 | # _send "volume outline state on" |
---|
1017 | # set rgb [Color2RGB $itk_option(-plotoutline)] |
---|
1018 | # _send "volume outline color $rgb" |
---|
1019 | # } |
---|
1020 | _send "volume axis label x \"\"" |
---|
1021 | _send "volume axis label y \"\"" |
---|
1022 | _send "volume axis label z \"\"" |
---|
1023 | } |
---|
1024 | |
---|
1025 | # ---------------------------------------------------------------------- |
---|
1026 | # USAGE: _currentVolumeIds ?-cutplanes? |
---|
1027 | # |
---|
1028 | # Returns a list of volume server IDs for the current volume being |
---|
1029 | # displayed. This is normally a single ID, but it might be a list |
---|
1030 | # of IDs if the current data object has multiple components. |
---|
1031 | # ---------------------------------------------------------------------- |
---|
1032 | itcl::body Rappture::NanovisViewer::_currentVolumeIds {{what -all}} { |
---|
1033 | set rlist "" |
---|
1034 | |
---|
1035 | set first [lindex [get] 0] |
---|
1036 | foreach key [array names _obj2id *-*] { |
---|
1037 | if {[string match $first-* $key]} { |
---|
1038 | array set style { |
---|
1039 | -cutplanes 1 |
---|
1040 | } |
---|
1041 | foreach {dataobj comp} [split $key -] break |
---|
1042 | array set style [lindex [$dataobj components -style $comp] 0] |
---|
1043 | |
---|
1044 | if {$what != "-cutplanes" || $style(-cutplanes)} { |
---|
1045 | lappend rlist $_obj2id($key) |
---|
1046 | } |
---|
1047 | } |
---|
1048 | } |
---|
1049 | return $rlist |
---|
1050 | } |
---|
1051 | |
---|
1052 | # ---------------------------------------------------------------------- |
---|
1053 | # USAGE: _zoom in |
---|
1054 | # USAGE: _zoom out |
---|
1055 | # USAGE: _zoom reset |
---|
1056 | # |
---|
1057 | # Called automatically when the user clicks on one of the zoom |
---|
1058 | # controls for this widget. Changes the zoom for the current view. |
---|
1059 | # ---------------------------------------------------------------------- |
---|
1060 | itcl::body Rappture::NanovisViewer::_zoom {option} { |
---|
1061 | switch -- $option { |
---|
1062 | "in" { |
---|
1063 | set _view(zoom) [expr {$_view(zoom)* 1.25}] |
---|
1064 | } |
---|
1065 | "out" { |
---|
1066 | set _view(zoom) [expr {$_view(zoom)* 0.8}] |
---|
1067 | } |
---|
1068 | "reset" { |
---|
1069 | array set _view { |
---|
1070 | theta 45 |
---|
1071 | phi 45 |
---|
1072 | psi 0 |
---|
1073 | zoom 1.0 |
---|
1074 | } |
---|
1075 | set xyz [Euler2XYZ $_view(theta) $_view(phi) $_view(psi)] |
---|
1076 | _send "camera angle $xyz" |
---|
1077 | } |
---|
1078 | } |
---|
1079 | _send "camera zoom $_view(zoom)" |
---|
1080 | } |
---|
1081 | |
---|
1082 | # ---------------------------------------------------------------------- |
---|
1083 | # USAGE: _move click <x> <y> |
---|
1084 | # USAGE: _move drag <x> <y> |
---|
1085 | # USAGE: _move release <x> <y> |
---|
1086 | # |
---|
1087 | # Called automatically when the user clicks/drags/releases in the |
---|
1088 | # plot area. Moves the plot according to the user's actions. |
---|
1089 | # ---------------------------------------------------------------------- |
---|
1090 | itcl::body Rappture::NanovisViewer::_move {option x y} { |
---|
1091 | switch -- $option { |
---|
1092 | click { |
---|
1093 | $itk_component(3dview) configure -cursor fleur |
---|
1094 | set _click(x) $x |
---|
1095 | set _click(y) $y |
---|
1096 | set _click(theta) $_view(theta) |
---|
1097 | set _click(phi) $_view(phi) |
---|
1098 | } |
---|
1099 | drag { |
---|
1100 | if {[array size _click] == 0} { |
---|
1101 | _move click $x $y |
---|
1102 | } else { |
---|
1103 | set w [winfo width $itk_component(3dview)] |
---|
1104 | set h [winfo height $itk_component(3dview)] |
---|
1105 | if {$w <= 0 || $h <= 0} { |
---|
1106 | return |
---|
1107 | } |
---|
1108 | |
---|
1109 | if {[catch { |
---|
1110 | # this fails sometimes for no apparent reason |
---|
1111 | set dx [expr {double($x-$_click(x))/$w}] |
---|
1112 | set dy [expr {double($y-$_click(y))/$h}] |
---|
1113 | }]} { |
---|
1114 | return |
---|
1115 | } |
---|
1116 | |
---|
1117 | # |
---|
1118 | # Rotate the camera in 3D |
---|
1119 | # |
---|
1120 | if {$_view(psi) > 90 || $_view(psi) < -90} { |
---|
1121 | # when psi is flipped around, theta moves backwards |
---|
1122 | set dy [expr {-$dy}] |
---|
1123 | } |
---|
1124 | set theta [expr {$_view(theta) - $dy*180}] |
---|
1125 | while {$theta < 0} { set theta [expr {$theta+180}] } |
---|
1126 | while {$theta > 180} { set theta [expr {$theta-180}] } |
---|
1127 | |
---|
1128 | if {abs($theta) >= 30 && abs($theta) <= 160} { |
---|
1129 | set phi [expr {$_view(phi) - $dx*360}] |
---|
1130 | while {$phi < 0} { set phi [expr {$phi+360}] } |
---|
1131 | while {$phi > 360} { set phi [expr {$phi-360}] } |
---|
1132 | set psi $_view(psi) |
---|
1133 | } else { |
---|
1134 | set phi $_view(phi) |
---|
1135 | set psi [expr {$_view(psi) - $dx*360}] |
---|
1136 | while {$psi < -180} { set psi [expr {$psi+360}] } |
---|
1137 | while {$psi > 180} { set psi [expr {$psi-360}] } |
---|
1138 | } |
---|
1139 | |
---|
1140 | array set _view [subst { |
---|
1141 | theta $theta |
---|
1142 | phi $phi |
---|
1143 | psi $psi |
---|
1144 | }] |
---|
1145 | set xyz [Euler2XYZ $theta $phi $psi] |
---|
1146 | _send "camera angle $xyz" |
---|
1147 | set _click(x) $x |
---|
1148 | set _click(y) $y |
---|
1149 | } |
---|
1150 | } |
---|
1151 | release { |
---|
1152 | _move drag $x $y |
---|
1153 | $itk_component(3dview) configure -cursor "" |
---|
1154 | catch {unset _click} |
---|
1155 | } |
---|
1156 | default { |
---|
1157 | error "bad option \"$option\": should be click, drag, release" |
---|
1158 | } |
---|
1159 | } |
---|
1160 | } |
---|
1161 | |
---|
1162 | # ---------------------------------------------------------------------- |
---|
1163 | # USAGE: _slice axis x|y|z ?on|off|toggle? |
---|
1164 | # USAGE: _slice move x|y|z <newval> |
---|
1165 | # USAGE: _slice volume ?on|off|toggle? |
---|
1166 | # |
---|
1167 | # Called automatically when the user drags the slider to move the |
---|
1168 | # cut plane that slices 3D data. Gets the current value from the |
---|
1169 | # slider and moves the cut plane to the appropriate point in the |
---|
1170 | # data set. |
---|
1171 | # ---------------------------------------------------------------------- |
---|
1172 | itcl::body Rappture::NanovisViewer::_slice {option args} { |
---|
1173 | switch -- $option { |
---|
1174 | axis { |
---|
1175 | if {[llength $args] < 1 || [llength $args] > 2} { |
---|
1176 | error "wrong # args: should be \"_slice axis x|y|z ?on|off|toggle?\"" |
---|
1177 | } |
---|
1178 | set axis [lindex $args 0] |
---|
1179 | set op [lindex $args 1] |
---|
1180 | if {$op == ""} { set op "on" } |
---|
1181 | |
---|
1182 | set current [_state ${axis}slice] |
---|
1183 | if {$op == "toggle"} { |
---|
1184 | if {$current == "on"} { set op "off" } else { set op "on" } |
---|
1185 | } |
---|
1186 | if {$op} { |
---|
1187 | $itk_component(${axis}slicer) configure -state normal |
---|
1188 | _send "cutplane state 1 $axis [_currentVolumeIds -cutplanes]" |
---|
1189 | $itk_component(${axis}slice) configure -relief sunken |
---|
1190 | } else { |
---|
1191 | $itk_component(${axis}slicer) configure -state disabled |
---|
1192 | _send "cutplane state 0 $axis [_currentVolumeIds -cutplanes]" |
---|
1193 | $itk_component(${axis}slice) configure -relief raised |
---|
1194 | } |
---|
1195 | } |
---|
1196 | move { |
---|
1197 | if {[llength $args] != 2} { |
---|
1198 | error "wrong # args: should be \"_slice move x|y|z newval\"" |
---|
1199 | } |
---|
1200 | set axis [lindex $args 0] |
---|
1201 | set newval [lindex $args 1] |
---|
1202 | |
---|
1203 | set newpos [expr {0.01*$newval}] |
---|
1204 | # set newval [expr {0.01*($newval-50) |
---|
1205 | # *($_limits(${axis}max)-$_limits(${axis}min)) |
---|
1206 | # + 0.5*($_limits(${axis}max)+$_limits(${axis}min))}] |
---|
1207 | |
---|
1208 | # show the current value in the readout |
---|
1209 | #puts "readout: $axis = $newval" |
---|
1210 | |
---|
1211 | set ids [_currentVolumeIds -cutplanes] |
---|
1212 | _send "cutplane position $newpos $axis $ids" |
---|
1213 | } |
---|
1214 | volume { |
---|
1215 | if {[llength $args] > 1} { |
---|
1216 | error "wrong # args: should be \"_slice volume ?on|off|toggle?\"" |
---|
1217 | } |
---|
1218 | set op [lindex $args 0] |
---|
1219 | if {$op == ""} { set op "on" } |
---|
1220 | |
---|
1221 | set current [_state volume] |
---|
1222 | if {$op == "toggle"} { |
---|
1223 | if {$current == "on"} { set op "off" } else { set op "on" } |
---|
1224 | } |
---|
1225 | |
---|
1226 | if {$op} { |
---|
1227 | _send "volume data state on [_currentVolumeIds]" |
---|
1228 | $itk_component(volume) configure -relief sunken |
---|
1229 | } else { |
---|
1230 | _send "volume data state off [_currentVolumeIds]" |
---|
1231 | $itk_component(volume) configure -relief raised |
---|
1232 | } |
---|
1233 | } |
---|
1234 | default { |
---|
1235 | error "bad option \"$option\": should be axis, move, or volume" |
---|
1236 | } |
---|
1237 | } |
---|
1238 | } |
---|
1239 | |
---|
1240 | # ---------------------------------------------------------------------- |
---|
1241 | # USAGE: _slicertip <axis> |
---|
1242 | # |
---|
1243 | # Used internally to generate a tooltip for the x/y/z slicer controls. |
---|
1244 | # Returns a message that includes the current slicer value. |
---|
1245 | # ---------------------------------------------------------------------- |
---|
1246 | itcl::body Rappture::NanovisViewer::_slicertip {axis} { |
---|
1247 | set val [$itk_component(${axis}slicer) get] |
---|
1248 | # set val [expr {0.01*($val-50) |
---|
1249 | # *($_limits(${axis}max)-$_limits(${axis}min)) |
---|
1250 | # + 0.5*($_limits(${axis}max)+$_limits(${axis}min))}] |
---|
1251 | return "Move the [string toupper $axis] cut plane.\nCurrently: $axis = $val%" |
---|
1252 | } |
---|
1253 | |
---|
1254 | # ---------------------------------------------------------------------- |
---|
1255 | # USAGE: _state <component> |
---|
1256 | # |
---|
1257 | # Used internally to determine the state of a toggle button. |
---|
1258 | # The <component> is the itk component name of the button. |
---|
1259 | # Returns on/off for the state of the button. |
---|
1260 | # ---------------------------------------------------------------------- |
---|
1261 | itcl::body Rappture::NanovisViewer::_state {comp} { |
---|
1262 | if {[$itk_component($comp) cget -relief] == "sunken"} { |
---|
1263 | return "on" |
---|
1264 | } |
---|
1265 | return "off" |
---|
1266 | } |
---|
1267 | |
---|
1268 | # ---------------------------------------------------------------------- |
---|
1269 | # USAGE: _fixSettings <what> ?<value>? |
---|
1270 | # |
---|
1271 | # Used internally to update rendering settings whenever parameters |
---|
1272 | # change in the popup settings panel. Sends the new settings off |
---|
1273 | # to the back end. |
---|
1274 | # ---------------------------------------------------------------------- |
---|
1275 | itcl::body Rappture::NanovisViewer::_fixSettings {what {value ""}} { |
---|
1276 | set inner [$itk_component(controls).panel component inner] |
---|
1277 | switch -- $what { |
---|
1278 | light { |
---|
1279 | if {[isconnected]} { |
---|
1280 | set val [$inner.scales.light get] |
---|
1281 | set sval [expr {0.1*$val}] |
---|
1282 | _send "volume shading diffuse $sval" |
---|
1283 | |
---|
1284 | set sval [expr {sqrt($val+1.0)}] |
---|
1285 | _send "volume shading specular $sval" |
---|
1286 | } |
---|
1287 | } |
---|
1288 | transp { |
---|
1289 | if {[isconnected]} { |
---|
1290 | set val [$inner.scales.transp get] |
---|
1291 | set sval [expr {0.2*$val+1}] |
---|
1292 | _send "volume shading opacity $sval" |
---|
1293 | } |
---|
1294 | } |
---|
1295 | opacity { |
---|
1296 | if {[isconnected]} { |
---|
1297 | set dataobj [lindex [get] 0] |
---|
1298 | if {$dataobj != 0} { |
---|
1299 | set val [$inner.scales.opacity get] |
---|
1300 | set sval [expr { 0.01 * double($val) }] |
---|
1301 | # FIXME: This will change when we can select the current |
---|
1302 | # volume. |
---|
1303 | set comp [lindex [$dataobj components] 0] |
---|
1304 | set tag $dataobj-$comp |
---|
1305 | if { [info exists _obj2id($tag)] } { |
---|
1306 | set ivol $_obj2id($tag) |
---|
1307 | set _settings($this-$ivol-opacity) $sval |
---|
1308 | UpdateTransferFunction $ivol |
---|
1309 | } |
---|
1310 | } |
---|
1311 | } |
---|
1312 | } |
---|
1313 | |
---|
1314 | thickness { |
---|
1315 | if {[isconnected]} { |
---|
1316 | set dataobj [lindex [get] 0] |
---|
1317 | if {$dataobj != 0} { |
---|
1318 | set val [$inner.scales.thickness get] |
---|
1319 | # Scale values between 0.00001 and 0.01000 |
---|
1320 | set sval [expr {0.0001*double($val)}] |
---|
1321 | # FIXME: This will change when we can select the current |
---|
1322 | # volume. |
---|
1323 | set comp [lindex [$dataobj components] 0] |
---|
1324 | set tag $dataobj-$comp |
---|
1325 | if { [info exists _obj2id($tag)] } { |
---|
1326 | set ivol $_obj2id($tag) |
---|
1327 | set _settings($this-$ivol-thickness) $sval |
---|
1328 | UpdateTransferFunction $ivol |
---|
1329 | } |
---|
1330 | } |
---|
1331 | } |
---|
1332 | } |
---|
1333 | "outline" { |
---|
1334 | if {[isconnected]} { |
---|
1335 | _send "volume outline state $_settings($this-outline)" |
---|
1336 | } |
---|
1337 | } |
---|
1338 | "isosurface" { |
---|
1339 | if {[isconnected]} { |
---|
1340 | _send "volume shading isosurface $_settings($this-isosurface)" |
---|
1341 | } |
---|
1342 | } |
---|
1343 | "grid" { |
---|
1344 | if { [isconnected] } { |
---|
1345 | _send "grid visible $_settings($this-grid)" |
---|
1346 | } |
---|
1347 | } |
---|
1348 | "axes" { |
---|
1349 | if { [isconnected] } { |
---|
1350 | _send "axis visible $_settings($this-axes)" |
---|
1351 | } |
---|
1352 | } |
---|
1353 | default { |
---|
1354 | error "don't know how to fix $what" |
---|
1355 | } |
---|
1356 | } |
---|
1357 | } |
---|
1358 | |
---|
1359 | # ---------------------------------------------------------------------- |
---|
1360 | # USAGE: _fixLegend |
---|
1361 | # |
---|
1362 | # Used internally to update the legend area whenever it changes size |
---|
1363 | # or when the field changes. Asks the server to send a new legend |
---|
1364 | # for the current field. |
---|
1365 | # ---------------------------------------------------------------------- |
---|
1366 | itcl::body Rappture::NanovisViewer::_fixLegend {} { |
---|
1367 | set lineht [font metrics $itk_option(-font) -linespace] |
---|
1368 | set w [expr {[winfo width $itk_component(legend)]-20}] |
---|
1369 | set h [expr {[winfo height $itk_component(legend)]-20-$lineht}] |
---|
1370 | set ivol "" |
---|
1371 | if { $ivol == "" } { |
---|
1372 | set dataobj [lindex [get] 0] |
---|
1373 | if {"" != $dataobj} { |
---|
1374 | set comp [lindex [$dataobj components] 0] |
---|
1375 | if {[info exists _obj2id($dataobj-$comp)]} { |
---|
1376 | set ivol $_obj2id($dataobj-$comp) |
---|
1377 | } |
---|
1378 | } |
---|
1379 | } |
---|
1380 | if {$w > 0 && $h > 0 && "" != $ivol} { |
---|
1381 | _send "legend $ivol $w $h" |
---|
1382 | } else { |
---|
1383 | #$itk_component(legend) delete all |
---|
1384 | } |
---|
1385 | } |
---|
1386 | |
---|
1387 | # ---------------------------------------------------------------------- |
---|
1388 | # USAGE: _DefineTransferFunction <ivol> |
---|
1389 | # |
---|
1390 | # Used internally to compute the colormap and alpha map used to define |
---|
1391 | # a transfer function for the specified component in a data object. |
---|
1392 | # Returns: name {v r g b ...} {v w ...} |
---|
1393 | # ---------------------------------------------------------------------- |
---|
1394 | itcl::body Rappture::NanovisViewer::_DefineTransferFunction { ivol } { |
---|
1395 | array set style { |
---|
1396 | -color rainbow |
---|
1397 | -levels 6 |
---|
1398 | -opacity 1.0 |
---|
1399 | } |
---|
1400 | foreach {dataobj comp} $_id2obj($ivol) break |
---|
1401 | array set style [lindex [$dataobj components -style $comp] 0] |
---|
1402 | set sname "$style(-color):$style(-levels):$style(-opacity)" |
---|
1403 | if {$style(-color) == "rainbow"} { |
---|
1404 | set style(-color) "white:yellow:green:cyan:blue:magenta" |
---|
1405 | } |
---|
1406 | set clist [split $style(-color) :] |
---|
1407 | set cmap "0.0 [Color2RGB white] " |
---|
1408 | for {set i 0} {$i < [llength $clist]} {incr i} { |
---|
1409 | set x [expr {double($i+1)/([llength $clist]+1)}] |
---|
1410 | set color [lindex $clist $i] |
---|
1411 | append cmap "$x [Color2RGB $color] " |
---|
1412 | } |
---|
1413 | append cmap "1.0 [Color2RGB $color]" |
---|
1414 | |
---|
1415 | set tag $this-$ivol |
---|
1416 | if { ![info exists _settings($tag-opacity)] } { |
---|
1417 | set _settings($tag-opacity) $style(-opacity) |
---|
1418 | } |
---|
1419 | set max $_settings($tag-opacity) |
---|
1420 | |
---|
1421 | set isovalues {} |
---|
1422 | foreach m $_isomarkers($ivol) { |
---|
1423 | lappend isovalues [$m GetRelativeValue] |
---|
1424 | } |
---|
1425 | |
---|
1426 | # Sort the isovalues |
---|
1427 | set isovalues [lsort -real $isovalues] |
---|
1428 | |
---|
1429 | if { ![info exists _settings($tag-thickness)]} { |
---|
1430 | set _settings($tag-thickness) 0.05 |
---|
1431 | } |
---|
1432 | set delta $_settings($tag-thickness) |
---|
1433 | |
---|
1434 | set first [lindex $isovalues 0] |
---|
1435 | set last [lindex $isovalues end] |
---|
1436 | set wmap "" |
---|
1437 | if { $first == "" || $first != 0.0 } { |
---|
1438 | lappend wmap 0.0 0.0 |
---|
1439 | } |
---|
1440 | foreach x $isovalues { |
---|
1441 | set x1 [expr {$x-$delta-0.00001}] |
---|
1442 | set x2 [expr {$x-$delta}] |
---|
1443 | set x3 [expr {$x+$delta}] |
---|
1444 | set x4 [expr {$x+$delta+0.00001}] |
---|
1445 | if { $x1 < 0.0 } { |
---|
1446 | set x1 0.0 |
---|
1447 | } |
---|
1448 | if { $x2 < 0.0 } { |
---|
1449 | set x2 0.0 |
---|
1450 | } |
---|
1451 | if { $x3 > 1.0 } { |
---|
1452 | set x3 1.0 |
---|
1453 | } |
---|
1454 | if { $x4 > 1.0 } { |
---|
1455 | set x4 1.0 |
---|
1456 | } |
---|
1457 | # add spikes in the middle |
---|
1458 | lappend wmap $x1 0.0 |
---|
1459 | lappend wmap $x2 $max |
---|
1460 | lappend wmap $x3 $max |
---|
1461 | lappend wmap $x4 0.0 |
---|
1462 | } |
---|
1463 | if { $last == "" || $last != 1.0 } { |
---|
1464 | lappend wmap 1.0 0.0 |
---|
1465 | } |
---|
1466 | set _id2style($ivol) $sname |
---|
1467 | set _styles($sname) 1 |
---|
1468 | set cmds [subst { |
---|
1469 | transfunc define $sname { $cmap } { $wmap } |
---|
1470 | volume shading transfunc $sname $ivol |
---|
1471 | }] |
---|
1472 | return [SendBytes $cmds] |
---|
1473 | } |
---|
1474 | |
---|
1475 | # ---------------------------------------------------------------------- |
---|
1476 | # CONFIGURATION OPTION: -plotbackground |
---|
1477 | # ---------------------------------------------------------------------- |
---|
1478 | itcl::configbody Rappture::NanovisViewer::plotbackground { |
---|
1479 | if { [isconnected] } { |
---|
1480 | foreach {r g b} [Color2RGB $itk_option(-plotbackground)] break |
---|
1481 | #fix this! |
---|
1482 | #_send "color background $r $g $b" |
---|
1483 | } |
---|
1484 | } |
---|
1485 | |
---|
1486 | # ---------------------------------------------------------------------- |
---|
1487 | # CONFIGURATION OPTION: -plotforeground |
---|
1488 | # ---------------------------------------------------------------------- |
---|
1489 | itcl::configbody Rappture::NanovisViewer::plotforeground { |
---|
1490 | if { [isconnected] } { |
---|
1491 | foreach {r g b} [Color2RGB $itk_option(-plotforeground)] break |
---|
1492 | #fix this! |
---|
1493 | #_send "color background $r $g $b" |
---|
1494 | } |
---|
1495 | } |
---|
1496 | |
---|
1497 | # ---------------------------------------------------------------------- |
---|
1498 | # CONFIGURATION OPTION: -plotoutline |
---|
1499 | # ---------------------------------------------------------------------- |
---|
1500 | itcl::configbody Rappture::NanovisViewer::plotoutline { |
---|
1501 | # Must check if we are connected because this routine is called from the |
---|
1502 | # class body when the -plotoutline itk_option is defined. At that point |
---|
1503 | # the NanovisViewer class constructor hasn't been called, so we can't |
---|
1504 | # start sending commands to visualization server. |
---|
1505 | if { [isconnected] } { |
---|
1506 | if {"" == $itk_option(-plotoutline)} { |
---|
1507 | _send "volume outline state off" |
---|
1508 | } else { |
---|
1509 | _send "volume outline state on" |
---|
1510 | _send "volume outline color [Color2RGB $itk_option(-plotoutline)]" |
---|
1511 | } |
---|
1512 | } |
---|
1513 | } |
---|
1514 | |
---|
1515 | itcl::body Rappture::NanovisViewer::_HideIsoMarkers { ivol } { |
---|
1516 | if { [info exists _isomarkers($ivol)] } { |
---|
1517 | foreach m $_isomarkers($ivol) { |
---|
1518 | $m Hide |
---|
1519 | } |
---|
1520 | } |
---|
1521 | } |
---|
1522 | |
---|
1523 | itcl::body Rappture::NanovisViewer::_ShowIsoMarkers { ivol } { |
---|
1524 | # Clear all markers |
---|
1525 | foreach dataobj [array names _all_data_objs] { |
---|
1526 | foreach comp [$dataobj components] { |
---|
1527 | _HideIsoMarkers $_obj2id($dataobj-$comp) |
---|
1528 | } |
---|
1529 | } |
---|
1530 | if { ![info exists _isomarkers($ivol)] } { |
---|
1531 | return |
---|
1532 | } |
---|
1533 | foreach m $_isomarkers($ivol) { |
---|
1534 | $m Show |
---|
1535 | } |
---|
1536 | } |
---|
1537 | |
---|
1538 | # |
---|
1539 | # The -levels option takes a single value that represents the number |
---|
1540 | # of evenly distributed markers based on the current data range. Each |
---|
1541 | # marker is a relative value from 0.0 to 1.0. |
---|
1542 | # |
---|
1543 | itcl::body Rappture::NanovisViewer::_ParseLevelsOption { ivol levels } { |
---|
1544 | set c $itk_component(legend) |
---|
1545 | regsub -all "," $levels " " levels |
---|
1546 | if {[string is int $levels]} { |
---|
1547 | for {set i 1} { $i <= $levels } {incr i} { |
---|
1548 | set x [expr {double($i)/($levels+1)}] |
---|
1549 | set m [IsoMarker \#auto $c $this $ivol] |
---|
1550 | $m SetRelativeValue $x |
---|
1551 | lappend _isomarkers($ivol) $m |
---|
1552 | } |
---|
1553 | } else { |
---|
1554 | foreach x $levels { |
---|
1555 | set m [IsoMarker \#auto $c $this $ivol] |
---|
1556 | $m SetRelativeValue $x |
---|
1557 | lappend _isomarkers($ivol) $m |
---|
1558 | } |
---|
1559 | } |
---|
1560 | } |
---|
1561 | |
---|
1562 | # |
---|
1563 | # The -markers option takes a list of zero or more values (the values |
---|
1564 | # may be separated either by spaces or commas) that have the following |
---|
1565 | # format: |
---|
1566 | # |
---|
1567 | # N% Percent of current total data range. Converted to |
---|
1568 | # to a relative value between 0.0 and 1.0. |
---|
1569 | # N Absolute value of marker. If the marker is outside of |
---|
1570 | # the current range, it will be displayed on the outer |
---|
1571 | # edge of the legends, but it range it represents will |
---|
1572 | # not be seen. |
---|
1573 | # |
---|
1574 | itcl::body Rappture::NanovisViewer::_ParseMarkersOption { ivol markers } { |
---|
1575 | set c $itk_component(legend) |
---|
1576 | regsub -all "," $markers " " markers |
---|
1577 | foreach marker $markers { |
---|
1578 | set n [scan $marker "%g%s" value suffix] |
---|
1579 | if { $n == 2 && $suffix == "%" } { |
---|
1580 | # ${n}% : Set relative value. |
---|
1581 | set value [expr {$value * 0.01}] |
---|
1582 | set m [IsoMarker \#auto $c $this $ivol] |
---|
1583 | $m SetRelativeValue $value |
---|
1584 | lappend _isomarkers($ivol) $m |
---|
1585 | } else { |
---|
1586 | # ${n} : Set absolute value. |
---|
1587 | set m [IsoMarker \#auto $c $this $ivol] |
---|
1588 | $m SetAbsoluteValue $value |
---|
1589 | lappend _isomarkers($ivol) $m |
---|
1590 | } |
---|
1591 | } |
---|
1592 | } |
---|
1593 | |
---|
1594 | itcl::body Rappture::NanovisViewer::_InitIsoMarkers { ivol } { |
---|
1595 | array set style { |
---|
1596 | -levels 6 |
---|
1597 | } |
---|
1598 | set _isomarkers($ivol) "" |
---|
1599 | foreach {dataobj comp} $_id2obj($ivol) break |
---|
1600 | array set style [lindex [$dataobj components -style $comp] 0] |
---|
1601 | if { [info exists style(-markers)] } { |
---|
1602 | _ParseMarkersOption $ivol $style(-markers) |
---|
1603 | } else { |
---|
1604 | _ParseLevelsOption $ivol $style(-levels) |
---|
1605 | } |
---|
1606 | } |
---|
1607 | |
---|
1608 | # ---------------------------------------------------------------------- |
---|
1609 | # USAGE: _marker start <x> <y> |
---|
1610 | # USAGE: _marker update <x> <y> |
---|
1611 | # USAGE: _marker end <x> <y> |
---|
1612 | # |
---|
1613 | # Used internally to handle the various marker operations performed |
---|
1614 | # when the user clicks and drags on the legend area. The marker changes the |
---|
1615 | # transfer function to highlight the area being selected in the |
---|
1616 | # legend. |
---|
1617 | # ---------------------------------------------------------------------- |
---|
1618 | itcl::body Rappture::NanovisViewer::UpdateTransferFunction { ivol } { |
---|
1619 | if {![info exists _id2style($ivol)]} { |
---|
1620 | return |
---|
1621 | } |
---|
1622 | set _currentVolId $ivol |
---|
1623 | $_dispatcher event -idle !send_transfunc |
---|
1624 | } |
---|
1625 | |
---|
1626 | itcl::body Rappture::NanovisViewer::_AddIsoMarker { ivol x y } { |
---|
1627 | set c $itk_component(legend) |
---|
1628 | set m [IsoMarker \#auto $c $this $ivol] |
---|
1629 | set w [winfo width $c] |
---|
1630 | $m SetRelativeValue [expr {double($x-10)/($w-20)}] |
---|
1631 | $m Show |
---|
1632 | lappend _isomarkers($ivol) $m |
---|
1633 | UpdateTransferFunction $ivol |
---|
1634 | return 1 |
---|
1635 | } |
---|
1636 | |
---|
1637 | itcl::body Rappture::NanovisViewer::RemoveDuplicateIsoMarker { marker x } { |
---|
1638 | set ivol [$marker GetVolume] |
---|
1639 | set bool 0 |
---|
1640 | if { [info exists _isomarkers($ivol)] } { |
---|
1641 | set list {} |
---|
1642 | set marker [namespace tail $marker] |
---|
1643 | foreach m $_isomarkers($ivol) { |
---|
1644 | set sx [$m GetScreenPosition] |
---|
1645 | if { $m != $marker } { |
---|
1646 | if { $x >= ($sx-3) && $x <= ($sx+3) } { |
---|
1647 | $marker SetRelativeValue [$m GetRelativeValue] |
---|
1648 | itcl::delete object $m |
---|
1649 | bell |
---|
1650 | set bool 1 |
---|
1651 | continue |
---|
1652 | } |
---|
1653 | } |
---|
1654 | lappend list $m |
---|
1655 | } |
---|
1656 | set _isomarkers($ivol) $list |
---|
1657 | UpdateTransferFunction $ivol |
---|
1658 | } |
---|
1659 | return $bool |
---|
1660 | } |
---|
1661 | |
---|
1662 | itcl::body Rappture::NanovisViewer::OverIsoMarker { marker x } { |
---|
1663 | set ivol [$marker GetVolume] |
---|
1664 | if { [info exists _isomarkers($ivol)] } { |
---|
1665 | set marker [namespace tail $marker] |
---|
1666 | foreach m $_isomarkers($ivol) { |
---|
1667 | set sx [$m GetScreenPosition] |
---|
1668 | if { $m != $marker } { |
---|
1669 | set bool [expr { $x >= ($sx-3) && $x <= ($sx+3) }] |
---|
1670 | $m Activate $bool |
---|
1671 | } |
---|
1672 | } |
---|
1673 | } |
---|
1674 | return "" |
---|
1675 | } |
---|