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

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<title>Geometrical Objects</title>
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<h1>Advanced Geometrical Objects</h1>
<h3><a name=bookmark>Creation of an Edge</a></h3>
<p class="whs1">import geompy</p>
<p class="whs1">import salome</p>
<p class="whs1">gg = salome.ImportComponentGUI(&quot;GEOM&quot;)</p>
<p>&nbsp;</p>
<p># create vertices</p>
<p class="whs1">p0 &nbsp;&nbsp;=
geompy.MakeVertex(0. &nbsp;,
0. &nbsp;, 0.
&nbsp;)</p>
<p class="whs1">pxyz = geompy.MakeVertex(100.,
100., 100.)</p>
<p>&nbsp;</p>
<p># create an edge</p>
<p class="whs1">edge = geompy.MakeEdge(p0,
pxyz)</p>
<p>&nbsp;</p>
<p># add object in the study</p>
<p class="whs1">id_edge = geompy.addToStudy(edge,&quot;Edge&quot;)</p>
<p>&nbsp;</p>
<p># display an edge</p>
<p class="whs1">gg.createAndDisplayGO(id_edge)
</p>
<p class="whs1">&nbsp;</p>
<h3><a name=Creation>Creation of a Wire</a></h3>
<p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
geompy</span></p>
<p class="whs1">import salome</p>
<p class="whs1">gg = salome.ImportComponentGUI(&quot;GEOM&quot;)</p>
<p class="whs2">&nbsp;</p>
<p class="whs2"># create vertices</p>
<p class="whs1">px &nbsp;&nbsp;=
geompy.MakeVertex(100., 0. &nbsp;,
0. &nbsp;)</p>
<p class="whs1">py &nbsp;&nbsp;=
geompy.MakeVertex(0. &nbsp;,
100., 0. &nbsp;)</p>
<p class="whs1">pz &nbsp;&nbsp;=
geompy.MakeVertex(0. &nbsp;,
0. &nbsp;, 100.)</p>
<p class="whs2">&nbsp;</p>
<p class="whs2"># create a vector from
two points</p>
<p class="whs1">vxy = geompy.MakeVector(px,
py)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create an arc from
three points</p>
<p class="whs1">arc = geompy.MakeArc(py,
pz, px)</p>
<p class="whs2">&nbsp;</p>
<p class="whs2"># create a wire</p>
<p class="whs1">wire = geompy.MakeWire([vxy,
arc])</p>
<p class="whs2">&nbsp;</p>
<p class="whs2"># add an object in the
study</p>
<p class="whs1">id_wire = geompy.addToStudy(wire,&quot;Wire&quot;)</p>
<p class="whs2">&nbsp;</p>
<p class="whs2"># display the wire</p>
<p class="whs1">gg.createAndDisplayGO(id_wire)
</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">&nbsp;</p>
<h3><a name=bookmark1>Creation of a Face</a></h3>
<p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
geompy</span></p>
<p class="whs1">import salome</p>
<p class="whs1">gg = salome.ImportComponentGUI(&quot;GEOM&quot;)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create vertices</p>
<p class="whs1">p0 &nbsp;&nbsp;=
geompy.MakeVertex(0. &nbsp;,
0. &nbsp;, 0.
&nbsp;)</p>
<p class="whs1">px &nbsp;&nbsp;=
geompy.MakeVertex(100., 0. &nbsp;,
0. &nbsp;)</p>
<p class="whs1">py &nbsp;&nbsp;=
geompy.MakeVertex(0. &nbsp;,
100., 0. &nbsp;)</p>
<p class="whs1">pz &nbsp;&nbsp;=
geompy.MakeVertex(0. &nbsp;,
0. &nbsp;, 100.)</p>
<p class="whs1">pxyz = geompy.MakeVertex(100.,
100., 100.)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create a vector from
two points</p>
<p class="whs1">vxy = geompy.MakeVector(px,
py)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create an arc from
three points</p>
<p class="whs1">arc = geompy.MakeArc(py,
pz, px)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create a wire</p>
<p class="whs1">wire = geompy.MakeWire([vxy,
arc])</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create sketchers</p>
<p class="whs1">sketcher1 = geompy.MakeSketcher(&quot;Sketcher:F
-100 -100:TT 250 -100:R 0:C 100 150:R 0:L 300:WW&quot;,</p>
<p class="whs1">&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;[100,0,0,
1,1,1, -1,1,0])</p>
<p class="whs1">sketcher2 = geompy.MakeSketcher(&quot;Sketcher:F
0 0:TT 70 0:TT 70 70:TT 0 70:WW&quot;)</p>
<p class="whs1">sketcher3 = geompy.MakeSketcher(&quot;Sketcher:F
20 20:TT 50 20:TT 50 50:TT 20 50:WW&quot;)</p>
<p class="whs1">isPlanarFace = 1</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create a face from
the wire</p>
<p class="whs1">face1 = geompy.MakeFace(wire,
isPlanarFace)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create faces from two
wires</p>
<p class="whs1">face2 = geompy.MakeFaceWires([wire,
sketcher1],isPlanarFace)</p>
<p class="whs1">face3 = geompy.MakeFaces([sketcher2,
sketcher3],isPlanarFace)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># add objects in the
study</p>
<p class="whs1">id_face1 = geompy.addToStudy(face1,&quot;Face1&quot;)</p>
<p class="whs1">id_face2 = geompy.addToStudy(face2,&quot;Face2&quot;)</p>
<p class="whs1">id_face3 = geompy.addToStudy(face3,&quot;Face3&quot;)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># display the faces</p>
<p class="whs1">gg.createAndDisplayGO(id_face1)</p>
<p class="whs1">gg.setDisplayMode(id_face1,1)</p>
<p class="whs1">gg.setTransparency(id_face1,0.2)</p>
<p class="whs1">gg.createAndDisplayGO(id_face2)</p>
<p class="whs1">gg.setDisplayMode(id_face2,1)</p>
<p class="whs1">gg.setTransparency(id_face2,0.2)</p>
<p class="whs1">gg.createAndDisplayGO(id_face3)</p>
<p class="whs1">gg.setDisplayMode(id_face3,1)</p>
<p class="whs1">gg.setTransparency(id_face3,0.2)
</p>
<p class="whs1">&nbsp;</p>
<h3><a name=bookmark2>Creation of a Shell</a></h3>
<p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
geompy</span></p>
<p class="whs1">import salome</p>
<p class="whs1">gg = salome.ImportComponentGUI(&quot;GEOM&quot;)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2">#create vertices</p>
<p class="whs1">p0 &nbsp;&nbsp;=
geompy.MakeVertex( 0., &nbsp;0.,
&nbsp;0.)</p>
<p class="whs1">pxyz = geompy.MakeVertex(
5., &nbsp;5.,
40.)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create sketchers</p>
<p class="whs1">sketcher1 = geompy.MakeSketcher(&quot;Sketcher:F
0 0:TT 70 0:TT 70 70:TT 0 70:WW&quot;)</p>
<p class="whs1">sketcher2 = geompy.MakeSketcher(&quot;Sketcher:F
20 20:TT 50 20:TT 50 50:TT 20 50:WW&quot;)</p>
<p class="whs1">isPlanarFace = 1</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create a face from
two wires</p>
<p class="whs1">face = geompy.MakeFaces([sketcher1,
sketcher2],isPlanarFace)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create a prism</p>
<p class="whs1">prism = geompy.MakePrism(face,
p0, pxyz)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># explode the prism into
faces</p>
<p class="whs1">prism_faces = geompy.SubShapeAllSorted(prism,
geompy.ShapeType[&quot;FACE&quot;])</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create a shell from
a set of faces</p>
<p class="whs1">shell = geompy.MakeShell([prism_faces[0],
prism_faces[2], prism_faces[3],</p>
<p class="whs1">&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;prism_faces[7],
prism_faces[9]])</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># add objects in the
study</p>
<p class="whs1">id_shell = geompy.addToStudy(shell,&quot;Shell&quot;)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># display the shell</p>
<p class="whs1">gg.createAndDisplayGO(id_shell)</p>
<p class="whs1">gg.setDisplayMode(id_shell,1)
</p>
<p class="whs1">&nbsp;</p>
<h3><a name=bookmark3>Creation of a Solid</a></h3>
<p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
geompy</span></p>
<p class="whs1">import salome</p>
<p class="whs1">gg = salome.ImportComponentGUI(&quot;GEOM&quot;)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2">#create vertices</p>
<p class="whs1">p0 = geompy.MakeVertex(
0., &nbsp;0.,
&nbsp;0.)</p>
<p class="whs1">pz = geompy.MakeVertex(
0., &nbsp;0.,
40.)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create sketchers</p>
<p class="whs1">sketcher = geompy.MakeSketcher(&quot;Sketcher:F
-50 -50:TT 100 -50:R 0:C 50 70:R 0:L 100:WW&quot;)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create faces from two
wires</p>
<p class="whs1">face = geompy.MakeFace(sketcher,1)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create a prism</p>
<p class="whs1">prism = geompy.MakePrism(face,
p0, pz)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># explode the prism into
faces</p>
<p class="whs1">prism_faces = geompy.SubShapeAllSorted(prism,
geompy.ShapeType[&quot;FACE&quot;])</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create a shell from
a set of faces</p>
<p class="whs1">shell = geompy.MakeShell([prism_faces[0],
prism_faces[1],</p>
<p class="whs1">&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;prism_faces[3],
prism_faces[4],</p>
<p class="whs1">&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;prism_faces[5],
prism_faces[2]])</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create a solid, bounded
by the given shells</p>
<p class="whs1">solid = geompy.MakeSolid([shell])</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># add objects in the
study</p>
<p class="whs1">id_solid = geompy.addToStudy(solid,&quot;Solid&quot;)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># display the solid</p>
<p class="whs1">gg.createAndDisplayGO(id_solid)</p>
<p class="whs1">gg.setDisplayMode(id_solid,1)
</p>
<p class="whs1">&nbsp;</p>
<h3><a name=bookmark4>Creation of a Compound</a></h3>
<p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
geompy</span></p>
<p class="whs1">import salome</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">gg = salome.ImportComponentGUI(&quot;GEOM&quot;)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create a vertex and
a vector</p>
<p class="whs1">p1 = geompy.MakeVertex(
&nbsp;-30., &nbsp;-30.,
&nbsp;50.)</p>
<p class="whs1">p2 = geompy.MakeVertex(
&nbsp;-60., &nbsp;-60.,
&nbsp;30.)</p>
<p class="whs1">p3 = geompy.MakeVertex(
&nbsp;-30., &nbsp;-30.,
&nbsp;10.)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create an arc from
three points</p>
<p class="whs1">arc = geompy.MakeArc(p1,
p2, p3)</p>
<p class="whs1">ShapeListCompound
= []</p>
<p class="whs1">i = 0</p>
<p class="whs1">while i &lt;= 3 :</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;S
= geompy.MakeTranslation(arc, i * 50., 0., 0.)</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;ShapeListCompound.append(S)</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;i
= i + 1</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># create a compund of
the given shapes</p>
<p class="whs1">compound = geompy.MakeCompound(ShapeListCompound)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># add object in the study</p>
<p class="whs1">id_compound = geompy.addToStudy(compound,&quot;Compound&quot;)</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># display the compound</p>
<p class="whs1">gg.createAndDisplayGO(id_compound)
</p>
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