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209 lines
7.6 KiB
HTML
Executable File
209 lines
7.6 KiB
HTML
Executable File
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<title>Cutting quadrangles</title>
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<h1>Cutting quadrangles</h1>
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<p><img src="../i_blue.jpg" x-maintain-ratio="TRUE" width="30px" height="30px" border="0" class="img_whs1"> This operation allows to cut one or several quadrangle
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elements by addition of a supplementary edge which will connect two opposite
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corners. </p>
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<p> </p>
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<p class=TODO>To cut quadrangles:</p>
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<p class="whs2"> </p>
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<p class="whs2">1. Display a mesh or a submesh in the 3D
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viewer.</p>
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<p class="whs2">2. In the <span style="font-weight: bold;"><B>Modification
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</B></span>menu select the <span style="font-weight: bold;"><B>Cutting of quadrangles
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</B></span>item or click <img src="../image82.gif" width="25px" height="22px" border="0" class="img_whs3"> button in the toolbar. The following
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dialog box will appear:</p>
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<p> </p>
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<p class="whs2"><img src="../pics/a-cuttingofquadrangles.png" x-maintain-ratio="TRUE" width="306px" height="525px" border="0" class="img_whs4"></p>
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<p> </p>
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<ul type="disc" class="whs5">
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<li class=kadov-p><p class="whs6">The
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main list<span style="font-weight: bold;"> <B></B></span>contains the list of
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quadrangles. You can click on an quadrangle in the 3D viewer and it will
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be highlighted (lock Shift keyboard button to select several quadrangles).
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<span style="margin-left: 0px; font-weight: bold;"><B>Click Add </B></span><span
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style="margin-left: 0px;">button and the ID of this quadrangle will be
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added to the list. To remove a selected element or elements from the list
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click </span><span style="margin-left: 0px; font-weight: bold;"><B>Remove
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</B></span><span style="margin-left: 0px;">button. </span><span style="margin-left: 0px; font-weight: bold;"><B>Sort
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list </B></span><span style="margin-left: 0px;">button allows to sort the
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list of IDs. </span><span style="margin-left: 0px; font-weight: bold;"><B>Filter
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</B></span><span style="margin-left: 0px;">button allows to apply a definite
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filter to the selection of quadrangles.</span></p></li>
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<li class=kadov-p><p class="whs6"><span
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style="font-weight: bold;"><B>Apply to all </B></span>radio button allows to
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modify the orientation of all quadrangles of the currently displayed mesh
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or submesh.</p></li>
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<li class=kadov-p><p class="whs7">Preview
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- <span style="font-weight: normal;">provides a preview of cutting in
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the viewer.</span> </p></li>
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<li class=kadov-p><p class="whs8">Criterion</p></li>
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<li class=kadov-p><p class="whs6"><span
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style="font-weight: bold;"><B>Use diagonal 1-3 </B></span>and<span style="font-weight: bold;"><B>
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Use diagonal 2-4 </B></span> allows
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to specify the opposite corners which will be connected by the cutting
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edge.</p></li>
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<li class=kadov-p><p class="whs7">Use
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numeric factor - <span style="margin-left: 40px; font-weight: normal;"> allows
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to apply the operation only to those objects which meet the chosen criterion
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(from the list of Quality Controls, i.e. Skew, Warping, Minimum Angle,
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etc.)</span></p></li>
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<li class=kadov-p><p class="whs9"><span style="font-weight: bold;"><B>Select
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from -</B></span> allows to choose a submesh or an existing group whose quadrangle
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elements will be automatically added to the list.</p></li>
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</ul>
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<p class="whs2"> </p>
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<p class="whs2">3. Click the <span style="font-weight: bold;"><B>Apply
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</B></span>or <span style="font-weight: bold;"><B>OK </B></span>button to confirm
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the operation.</p>
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<p class="whs2"> </p>
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<table x-use-null-cells cellspacing="0" width="100%" class="whs10">
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<col class="whs11">
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<col class="whs11">
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<tr valign="top" class="whs12">
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<td width="50%" class="whs13">
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<p><img src="../image52.jpg" width="353px" height="300px" border="0" class="img_whs14"></td>
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<td width="50%" class="whs15">
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<p><img src="../image51.jpg" width="353px" height="300px" border="0" class="img_whs14"></td></tr>
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</table>
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<p class="whs9"> </p>
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<p> <span style="font-weight: bold;"><B>See
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Also</B></span> a sample TUI Script of a <a href="../modifying_meshes.htm#bookmark7">Cutting
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Quadrangles</a> operation. </p>
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<p> </p>
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