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83 <h1>Salome-Visu preferences</h1>
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85 <p><img src="info_blue.jpg" x-maintain-ratio="TRUE" width="32px" height="37px" border="0" class="img_whs1"> The
\91<span style="font-weight: bold;"><B>Preferences</B></span>
\91 \r
86 menu of VISU is modified as follow:</p>
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90 <p>Choose <span style="font-weight: bold;"><B>Post-pro ► Gauss Points
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91 ► Picking</B></span> <img src="purple_right_sm.jpg" x-maintain-ratio="TRUE" width="8px" height="9px" border="0" class="img_whs2"> <span style="font-style: italic;"><I>Displays
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92 a dialog to customize the picking parameters.</I></span></p>
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96 <p class="whs3">Description
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97 of the dialog and associated parameters:</p>
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101 <ul type="disc" class="whs4">
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103 <li class=kadov-p><p><span style="font-weight: bold;"><B>Height of the
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104 pyramid:</B></span> define the length of each of the 6 pyramids of the cursor.
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105 The cursor is dynamically generated so that apexes of each pyramid touch
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106 the point sprite boundary, and height of pyramid is fixed.</p></li>
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111 <p align="center" class="whs5"><img src="image69.gif" width="207px" height="192px" border="0" class="img_whs6"></p>
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113 <p align="center" class="whs5"> </p>
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115 <p align="center" class="whs7">Fig. 49 : Definition of the picking cursor
\91height
\92 parameter</p>
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117 <p align="center" class="whs5"> </p>
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119 <p align="center" class="whs5"><img src="image70.gif" x-maintain-ratio="FALSE" width="300px" height="392px" border="0" class="img_whs8"></p>
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121 <p align="center" class="whs7"> </p>
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123 <p align="center" class="whs7">Fig. 50 : Picking configuration dialog</p>
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125 <p align="center" class="whs5"> </p>
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127 <ul type="disc" class="whs4">
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129 <li class=kadov-p><p><span style="font-weight: bold;"><B>Information window:</B></span>
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130 allows defining the<span style="font-weight: bold;"><B> transparency</B></span>
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131 (from 0% = opaque to 100% = transparent) and <span style="font-weight: bold;"><B>position</B></span>
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132 of the windows. Possible values for position are:</p></li>
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134 <ul type="circle" class="whs9">
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136 <li class=kadov-p><p>Centred below the point</p></li>
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138 <li class=kadov-p><p>Top-left corner of the 3D view</p></li>
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144 <ul type="disc" class="whs4">
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146 <li class=kadov-p><p><span style="font-weight: bold;"><B>Zoom at first
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147 selected point:</B></span> This value is used to define the focal distance
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148 at the first selected point (at the end of the movement of the camera).
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149 This value is a ratio that will be multiplied by the current zoom value.</p></li>
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154 <ul type="disc" class="whs4">
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156 <li class=kadov-p><p class="whs10"><span style="font-weight: bold;"><B>Picking
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157 optimisation:</B></span> This section will be implemented only if the implementation
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158 of the picking function is based on <span style="font-weight: bold;"><B>vtkPointLocator</B></span>
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159 functions. No parameters are needed if implementation is based on <span
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160 style="font-weight: bold;"><B>vtkPointPicker</B></span>. (see <a href="picking_general.htm">Picking</a>
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161 for more details).</p></li>
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166 <p class="whs11">Both parameters are used
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167 to customize the data structure of the searching underlying functionality.</p>
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169 <p class="whs11"> </p>
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