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96 <p><span style="font-weight: bold;"><B><img src="i_blue.jpg" x-maintain-ratio="TRUE" width="30px" height="30px" border="0" class="img_whs1"> </B></span>Picking is a special
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97 way of viewing Gauss Points presentations</p>
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101 <p class="whs2"><img src="image34.jpg" width="203px" height="156px" border="0" class="img_whs3"></p>
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105 <p>Picking mode is activated by selecting <img src="image34.gif" width="25px" height="26px" border="0" class="img_whs4"> button in the Gauss Viewer toolbar. </p>
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107 <p>Now if the cursor touches a point it is highlighted with
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108 triangular markers (pyramids). The cursor is dynamically generated so
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109 that apexes of each pyramid touch the point sprite boundary, and the height
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110 of the pyramid is fixed. </p>
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112 <p>To get information about the point click the left mouse button or press
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113 S (or s) key of the keyboard. </p>
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115 <p>Once a point is selected, the presentation is centered around this point
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116 and a semi-transparent window is displayed next to the selected point
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117 and shows the following information:</p>
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119 <ul type="disc" class="whs5">
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121 <li class=kadov-p><p>The ID of the point within its parent mesh element</p></li>
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123 <li class=kadov-p><p>Coordinates of the Gauss point</p></li>
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125 <li class=kadov-p><p>In the case of a result at Gauss point: Scalar
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126 value being inspected + all components individually</p></li>
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128 <li class=kadov-p><p>Name of its parent mesh element</p></li>
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131 <p>In addition, the active scalar bar is updated to highlight the corresponding
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132 value of the selected scalar value by a black line.</p>
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136 <p>All Picking preferences can be defined using Preferences, however, you
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137 can customize them for the current presentation. </p>
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141 <p class="whs2"><img src="pics/picking.png" x-maintain-ratio="TRUE" width="306px" height="501px" border="0" class="img_whs6"></p>
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145 <ul type="disc" class="whs5">
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147 <li class=kadov-p><p><span style="font-weight: bold;"><B>Cursor</B></span>
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148 - allows to adjust the <span style="font-weight: bold;"><B>Size</B></span> of
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149 the cursor used for Picking (ranging from 0.1 to 1), the <span style="font-weight: bold;"><B>Height
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150 of the pyramids</B></span> (ranging from 0 to 10) and the <span style="font-weight: bold;"><B>Selection
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151 cursor color.</B></span> </p></li>
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153 <li class=kadov-p><p><span style="font-weight: bold;"><B>Tolerance</B></span>
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154 - defines at which distance of the cursor from the point it becomes selected
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155 (ranges from 0.001 to 10). </p></li>
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157 <li class=kadov-p><p><span style="font-weight: bold;"><B>Information window
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158 -</B></span> allows to define the <span style="font-weight: bold;"><B>Transparency</B></span>
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159 (from 0% = opaque to 100% = transparent) and <span style="font-weight: bold;"><B>Position</B></span>
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160 of the window, which can be: </p></li>
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162 <li class=kadov-p><p class="whs7"><span style="font-weight: bold;"><B>Centred
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163 below the point</B></span>, or</p></li>
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165 <li class=kadov-p><p class="whs7">located at <span style="font-weight: bold;"><B>Top-left
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166 corner of the 3D view</B></span></p></li>
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168 <li class=kadov-p><p class="whs8">Movement
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169 of the Camera <span style="font-weight: normal;">can also be define by
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170 the user. </span></p></li>
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172 <li class=kadov-p><p class="whs7"><span style="font-weight: bold;"><B>Zoom
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173 at first selected point -</B></span> This value is used to define the focal
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174 distance at the first selected point (at the end of the movement of the
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175 camera). This value is a ratio that will be multiplied by the current
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176 zoom value.</p></li>
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178 <li class=kadov-p><p class="whs9">Number
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179 of steps between two positions - <span style="font-weight: normal;">defines
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180 the smoothness of camera movement at selection by the number of iterations.
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181 If set to 1 the camera is zoomed and centered at the point momentarily.
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182 Greater numbers mean very slow camera movement.</span> </p></li>
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184 <li class=kadov-p><p class="whs10">Display
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185 parent mesh element - <span style="font-weight: normal;">allows to visualize
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186 or hide the parent mesh element of the selected gauss point.</span> </p></li>
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