geom/doc/salome/gui/GEOM/curve.htm

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<h1><span style="font-size: 14pt;"><font size=4 style="font-size:14pt;"><b style="font-weight: bold;"><img src="image32.gif" width="20px" height="20px" border="0" class="img_whs1"> &nbsp;</b></font></span>Curve</h1>
<p>To create a <span style="font-weight: bold;"><B>Curve</B></span> in the <span
style="font-weight: bold;"><B>Main Menu</B></span> select <span style="font-weight: bold;"><B>New
Entity - &gt; Basic - &gt; Curve</B></span></p>
<p>&nbsp;</p>
<p>There are three algorithms to <span style="font-size: 12pt;"><font size=3 style="font-size:12pt;">create
a </font></span><span style="font-size: 12pt; font-weight: bold;"><font size=3 style="font-size:12pt;"><B>Curve</B></font></span><span
style="font-size: 12pt;"><font size=3 style="font-size:12pt;"> in the 3D space. Each time you define it by
a list of </font></span><span style="font-size: 12pt; font-weight: bold;"><font size=3 style="font-size:12pt;"><B>Points</B></font></span><span
style="font-size: 12pt;"><font size=3 style="font-size:12pt;"> through which the curve passes. The three </font></span><span
style="font-size: 12pt; font-weight: bold;"><font size=3 style="font-size:12pt;"><B>Curve Construction</B></font></span><span
style="font-size: 12pt;"><font size=3 style="font-size:12pt;"> menu choices correspond to three possible types
of curves: Polyline, Besier or B-spline (Interpolated). </font></span></p>
<p class="whs2"><span style="font-size: 12pt;"><font size=3 style="font-size:12pt;"><b style="font-weight: bold;"><span
style="font-weight: normal;">The</span> Result <span style="font-weight: normal;">of
each operation will be a</span></b> GEOM_Object (edge).</font></span></p>
<p>&nbsp;</p>
<p class="whs2"><b style="font-weight: bold;">TUI Commands:</b>
</p>
<ul type="disc" class="whs3">
<li class=kadov-p><p class="whs2"><span style="font-style: italic;"><I>geompy.MakePolyline(ListOfShapes)</I></span></p></li>
<li class=kadov-p><p class="whs2"><span style="font-style: italic;"><I>geompy.MakeBezier(ListOfShapes)</I></span></p></li>
<li class=kadov-p><p class="whs2"><span style="font-style: italic;"><I>geompy.MakeInterpol(ListOfShapes)</I></span></p></li>
</ul>
<p class="whs2">ListOfShape is a list of points through which
the curve passes.</p>
<p class="whs2"><span style="font-size: 12pt;"><font size=3 style="font-size:12pt;"><b style="font-weight: bold;">Arguments:</b>
Name + at least 2 points which will serve as nodes on the curve.</font></span></p>
<p class="whs4">&nbsp;</p>
<p class="whs5"><img src="pics/curve.png" x-maintain-ratio="TRUE" width="312px" height="289px" border="0" class="img_whs6"> </p>
<p class="whs4">&nbsp;</p>
<p class="whs7">Examples:</p>
<p class="whs2">&nbsp;</p>
<p class="whs8">Polyline
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span
style="font-size: 12pt;
font-weight: bold;
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/*begin!kadov{{*/ text-decoration: none; /*}}end!kadov*/ "><font size=3 style="font-size:12pt;"><I><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Bezier
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B-Spline</B></I></font></span></p>
<p class="whs2"><img src="pics/polyline.png" x-maintain-ratio="TRUE" width="310px" height="308px" border="0" class="img_whs9"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<img src="pics/bezier.png" x-maintain-ratio="TRUE" width="313px" height="310px" border="0" class="img_whs10"> &nbsp;&nbsp;&nbsp;&nbsp;<img src="pics/interpol.png" x-maintain-ratio="TRUE" width="291px" height="313px" border="0" class="img_whs11"></p>
<p class="whs12">&nbsp;</p>
<p class="whs2">Our TUI Scripts provide you with useful examples
of creation of <a href="basic_geometrical_objects.htm#bookmark4">Basic
Geometric Objects</a>. </p>
<p>&nbsp;</p>
<p class="whs2">&nbsp;</p>
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