Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/AngleMeasureTool.cpp @ 751:712ff6ff3c19

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- undo redo now works fine for both measure tool creation commands - added LayerHolder to streamline layer index management - added overloads for ORTHANC_ASSERT with no string message (some heavy preprocessor wizardry in there) - fixing wasm BasicScene is *not* finished.
author Benjamin Golinvaux <bgo@osimis.io>
date Wed, 22 May 2019 11:55:52 +0200
parents 28b9e3a54200
children 66ac7a2d1e3a
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21 #include "AngleMeasureTool.h"
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22 #include "MeasureToolsToolbox.h"
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23 #include "LayerHolder.h"
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24
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25 #include <Core/Logging.h>
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26
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27 #include <boost/math/constants/constants.hpp>
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28 #include <boost/make_shared.hpp>
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29
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30 // <HACK>
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31 // REMOVE THIS
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32 #ifndef NDEBUG
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33 extern void
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34 TrackerSample_SetInfoDisplayMessage(std::string key, std::string value);
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35 #endif
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36 // </HACK>
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37
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38 namespace OrthancStone
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39 {
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40 // the params in the LayerHolder ctor specify the number of polyline and text
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41 // layers
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42 AngleMeasureTool::AngleMeasureTool(
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43 MessageBroker& broker, ViewportControllerWPtr controllerW)
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44 : MeasureTool(broker, controllerW)
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45 , layerHolder_(boost::make_shared<LayerHolder>(controllerW,1,5))
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46 {
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47
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48 }
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49
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50 AngleMeasureTool::~AngleMeasureTool()
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51 {
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52 // this measuring tool is a RABI for the corresponding visual layers
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53 // stored in the 2D scene
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54 Disable();
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55 RemoveFromScene();
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56 }
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57
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58 void AngleMeasureTool::RemoveFromScene()
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59 {
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60 if (layerHolder_->AreLayersCreated() && IsSceneAlive())
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61 {
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62 layerHolder_->DeleteLayers();
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63 }
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64 }
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65
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66 void AngleMeasureTool::SetSide1End(ScenePoint2D pt)
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67 {
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68 side1End_ = pt;
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69 RefreshScene();
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70 }
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71
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72 void AngleMeasureTool::SetSide2End(ScenePoint2D pt)
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73 {
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74 side2End_ = pt;
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75 RefreshScene();
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76 }
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77
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78 void AngleMeasureTool::SetCenter(ScenePoint2D pt)
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79 {
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80 center_ = pt;
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81 RefreshScene();
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82 }
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83
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84 void AngleMeasureTool::RefreshScene()
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85 {
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86 if (IsSceneAlive())
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87 {
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88 if (IsEnabled())
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89 {
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90 // get the scaling factor
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91 const double pixelToScene =
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92 GetScene()->GetCanvasToSceneTransform().ComputeZoom();
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93
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94 layerHolder_->CreateLayersIfNeeded();
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95
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96 {
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97 // Fill the polyline layer with the measurement lines
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98 PolylineSceneLayer* polylineLayer = layerHolder_->GetPolylineLayer(0);
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99 polylineLayer->ClearAllChains();
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100 polylineLayer->SetColor(0, 183, 17);
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101
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102
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103 // sides
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104 {
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105 {
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106 PolylineSceneLayer::Chain chain;
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107 chain.push_back(side1End_);
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108 chain.push_back(center_);
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109 polylineLayer->AddChain(chain, false);
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110 }
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111 {
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112 PolylineSceneLayer::Chain chain;
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113 chain.push_back(side2End_);
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114 chain.push_back(center_);
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115 polylineLayer->AddChain(chain, false);
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116 }
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117 }
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118
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119 // Create the handles
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120 {
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121 {
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122 PolylineSceneLayer::Chain chain;
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123 //TODO: take DPI into account
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124 AddSquare(chain, GetScene(), side1End_, 10.0 * pixelToScene);
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125 polylineLayer->AddChain(chain, true);
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126 }
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127 {
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128 PolylineSceneLayer::Chain chain;
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129 //TODO: take DPI into account
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130 AddSquare(chain, GetScene(), side2End_, 10.0 * pixelToScene);
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131 polylineLayer->AddChain(chain, true);
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132 }
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133 }
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134
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135 // Create the arc
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136 {
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137 PolylineSceneLayer::Chain chain;
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138
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139 const double ARC_RADIUS_CANVAS_COORD = 30.0;
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140 AddShortestArc(chain, side1End_, center_, side2End_,
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141 ARC_RADIUS_CANVAS_COORD * pixelToScene);
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142 polylineLayer->AddChain(chain, false);
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143 }
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144 }
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145 {
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146 // Set the text layer
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147
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148 double p1cAngle = atan2(
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149 side1End_.GetY() - center_.GetY(),
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150 side1End_.GetX() - center_.GetX());
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151
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152 double p2cAngle = atan2(
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153 side2End_.GetY() - center_.GetY(),
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154 side2End_.GetX() - center_.GetX());
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155
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156 double delta = NormalizeAngle(p2cAngle - p1cAngle);
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157 double theta = p1cAngle + delta / 2;
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158
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159 const double TEXT_CENTER_DISTANCE_CANVAS_COORD = 90;
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160
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161 double offsetX = TEXT_CENTER_DISTANCE_CANVAS_COORD * cos(theta);
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162 double offsetY = TEXT_CENTER_DISTANCE_CANVAS_COORD * sin(theta);
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163
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164 double pointX = center_.GetX() + offsetX * pixelToScene;
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165 double pointY = center_.GetY() + offsetY * pixelToScene;
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166
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167 char buf[64];
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168 double angleDeg = RadiansToDegrees(delta);
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169
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170 // http://www.ltg.ed.ac.uk/~richard/utf-8.cgi?input=00B0&mode=hex
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171 sprintf(buf, "%0.02f\xc2\xb0", angleDeg);
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172
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173 SetTextLayerOutlineProperties(
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174 GetScene(), layerHolder_, buf, ScenePoint2D(pointX, pointY));
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175
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176 // TODO:make it togglable
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177 bool enableInfoDisplay = false;
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178 if (enableInfoDisplay)
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179 {
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180 TrackerSample_SetInfoDisplayMessage("center_.GetX()",
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181 boost::lexical_cast<std::string>(center_.GetX()));
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182
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183 TrackerSample_SetInfoDisplayMessage("center_.GetY()",
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184 boost::lexical_cast<std::string>(center_.GetY()));
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185
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186 TrackerSample_SetInfoDisplayMessage("side1End_.GetX()",
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187 boost::lexical_cast<std::string>(side1End_.GetX()));
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188
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189 TrackerSample_SetInfoDisplayMessage("side1End_.GetY()",
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190 boost::lexical_cast<std::string>(side1End_.GetY()));
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191
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192 TrackerSample_SetInfoDisplayMessage("side2End_.GetX()",
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193 boost::lexical_cast<std::string>(side2End_.GetX()));
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194
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195 TrackerSample_SetInfoDisplayMessage("side2End_.GetY()",
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196 boost::lexical_cast<std::string>(side2End_.GetY()));
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197
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198 TrackerSample_SetInfoDisplayMessage("p1cAngle (deg)",
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199 boost::lexical_cast<std::string>(RadiansToDegrees(p1cAngle)));
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200
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201 TrackerSample_SetInfoDisplayMessage("delta (deg)",
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202 boost::lexical_cast<std::string>(RadiansToDegrees(delta)));
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203
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204 TrackerSample_SetInfoDisplayMessage("theta (deg)",
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205 boost::lexical_cast<std::string>(RadiansToDegrees(theta)));
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206
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207 TrackerSample_SetInfoDisplayMessage("p2cAngle (deg)",
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208 boost::lexical_cast<std::string>(RadiansToDegrees(p2cAngle)));
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209
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210 TrackerSample_SetInfoDisplayMessage("offsetX (pix)",
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211 boost::lexical_cast<std::string>(offsetX));
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212
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213 TrackerSample_SetInfoDisplayMessage("offsetY (pix)",
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214 boost::lexical_cast<std::string>(offsetY));
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215
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216 TrackerSample_SetInfoDisplayMessage("pointX",
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217 boost::lexical_cast<std::string>(pointX));
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218
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219 TrackerSample_SetInfoDisplayMessage("pointY",
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220 boost::lexical_cast<std::string>(pointY));
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221
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222 TrackerSample_SetInfoDisplayMessage("angleDeg",
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223 boost::lexical_cast<std::string>(angleDeg));
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224 }
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225 }
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226 }
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227 else
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228 {
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229 RemoveFromScene();
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230 }
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231 }
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232 }
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233 }