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[modules/smesh.git] / doc / salome / gui / SMESH / defining_hypotheses_tui.htm
index 7f8e0df5a94d8df6302e155ad440ac805f899a8e..f1e4c8778e4ff44ece06d3135628df0a6f84bb95 100755 (executable)
@@ -99,173 +99,62 @@ if (window.writeIntopicBar)
 
 <p>&nbsp;</p>
 
-<p class="whs2">from geompy import 
*</p>
+<p class="whs2"><span style="font-family: 'Lucida Console', monospace;">import 
geompy</span></p>
 
 <p class="whs2">import smesh</p>
 
-<p>&nbsp;</p>
-
-<p># create vertices</p>
-
-<p class="whs2">Point111 = MakeVertex( 
- 0, &nbsp;0, &nbsp;0)</p>
-
-<p class="whs2">Point211 = MakeVertex(10, 
- &nbsp;0, &nbsp;0)</p>
-
-<p class="whs2">Point121 = MakeVertex( 
- 0, 10, &nbsp;0)</p>
-
-<p class="whs2">Point221 = MakeVertex(10, 
- 10, &nbsp;0)</p>
-
-<p class="whs2">Point112 = MakeVertex( 
- 0, &nbsp;0, 10)</p>
-
-<p class="whs2">Point212 = MakeVertex(10, 
- &nbsp;0, 10)</p>
-
-<p class="whs2">Point122 = MakeVertex( 
- 0, 10, 10)</p>
-
-<p class="whs2">Point222 = MakeVertex(10, 
- 10, 10)</p>
-
-<p>&nbsp;</p>
-
-<p># create edges</p>
-
-<p class="whs2">EdgeX111 = MakeEdge(Point111, 
- Point211)</p>
-
-<p class="whs2">EdgeX121 = MakeEdge(Point121, 
- Point221)</p>
-
-<p class="whs2">EdgeX112 = MakeEdge(Point112, 
- Point212)</p>
-
-<p class="whs2">EdgeX122 = MakeEdge(Point122, 
- Point222)</p>
-
-<p class="whs2">EdgeY11 = MakeEdge(Point111, 
- Point121)</p>
-
-<p class="whs2">EdgeY21 = MakeEdge(Point211, 
- Point221)</p>
-
-<p class="whs2">EdgeY12 = MakeEdge(Point112, 
- Point122)</p>
-
-<p class="whs2">EdgeY22 = MakeEdge(Point212, 
- Point222)</p>
-
-<p class="whs2">EdgeZ111 = MakeEdge(Point111, 
- Point112)</p>
-
-<p class="whs2">EdgeZ211 = MakeEdge(Point211, 
- Point212)</p>
-
-<p class="whs2">EdgeZ121 = MakeEdge(Point121, 
- Point122)</p>
-
-<p class="whs2">EdgeZ221 = MakeEdge(Point221, 
- Point222)</p>
-
-<p>&nbsp;</p>
-
-<p># create faces</p>
-
-<p class="whs2">FaceX11 = MakeQuad(EdgeY11, 
- EdgeZ111, EdgeY12, EdgeZ121)</p>
-
-<p class="whs2">FaceX21 = MakeQuad(EdgeY21, 
- EdgeZ211, EdgeY22, EdgeZ221)</p>
-
-<p class="whs2">FaceY111 = MakeQuad(EdgeX111, 
- EdgeZ111, EdgeX112, EdgeZ211)</p>
-
-<p class="whs2">FaceY121 = MakeQuad(EdgeX121, 
- EdgeZ121, EdgeX122, EdgeZ221)</p>
-
-<p class="whs2">FaceZ11 = MakeQuad(EdgeX111, 
- EdgeY11, EdgeX121, EdgeY21)</p>
-
-<p class="whs2">FaceZ12 = MakeQuad(EdgeX112, 
- EdgeY12, EdgeX122, EdgeY22)</p>
-
-<p>&nbsp;</p>
-
-<p># create a solid</p>
-
-<p class="whs2">Block = MakeHexa(FaceX11, 
- FaceX21, FaceY111, FaceY121, FaceZ11, FaceZ12)</p>
-
-<p>&nbsp;</p>
+<p class="whs2">&nbsp;</p>
 
-<p># create a compound</p>
+<p class="whs3"># create a box</p>
 
-<p class="whs2">box = MakeCompound([Block])</p>
+<p class="whs2">box = geompy.MakeBoxDXDYDZ(10., 
+ 10., 10.)</p>
 
-<p>&nbsp;</p>
+<p class="whs2">geompy.addToStudy(box, 
+ &quot;Box&quot;)</p>
 
-<p># add in the study</p>
+<p class="whs2">&nbsp;</p>
 
-<p class="whs2">box_id = addToStudy(box, 
&quot;Box compound&quot;)</p>
+<p class="whs3"># create a hexahedral 
mesh on the box</p>
 
-<p>&nbsp;</p>
+<p class="whs2">hexa = smesh.Mesh(box, 
+ &quot;Box : hexahedrical mesh&quot;)</p>
 
-<p># create a hexahedral mesh on the box</p>
+<p class="whs2">&nbsp;</p>
 
-<p class="whs2">hexa = smesh.Mesh(box, 
&quot;Box compound : hexahedrical mesh&quot;)</p>
+<p class="whs3"># create a Regular 1D 
algorithm for edges</p>
 
-<p class="whs2">algo = hexa.Segment()</p>
+<p class="whs2">algo1D = hexa.Segment()</p>
 
-<p>&nbsp;</p>
+<p class="whs2">&nbsp;</p>
 
-<p># define &quot;NumberOfSegments&quot; hypothesis to cut an edge in a 
- fixed number of segments</p>
+<p class="whs3"># define &quot;Arithmetic1D&quot; 
+ hypothesis to cut all edges in several segments with increasing arithmetic 
+ length </p>
 
-<p class="whs2">algo.NumberOfSegments(4)</p>
+<p class="whs2">algo1D.Arithmetic1D(1, 
+ 4)</p>
 
-<p>&nbsp;</p>
+<p class="whs2">&nbsp;</p>
 
-<p># create a quadrangle 2D algorithm for faces</p>
+<p class="whs3"># create a quadrangle 
+ 2D algorithm for faces</p>
 
 <p class="whs2">hexa.Quadrangle()</p>
 
-<p>&nbsp;</p>
+<p class="whs2">&nbsp;</p>
 
-<p># create a hexahedron 3D algorithm for solids</p>
+<p class="whs3"># create a hexahedron 
+ 3D algorithm for solids</p>
 
 <p class="whs2">hexa.Hexahedron()</p>
 
-<p>&nbsp;</p>
-
-<p># create a local hypothesis</p>
-
-<p class="whs2">algo = hexa.Segment(EdgeX111)</p>
-
-<p>&nbsp;</p>
-
-<p># define &quot;Arithmetic1D&quot; hypothesis to cut an edge in several 
- segments with arithmetic length increasing</p>
-
-<p class="whs2">algo.Arithmetic1D(1, 
- 4)</p>
-
-<p>&nbsp;</p>
-
-<p># define &quot;Propagation&quot; hypothesis that propagates all other 
- hypothesis on all edges on the opposite side in case of quadrangular faces</p>
-
-<p class="whs2">algo.Propagation()</p>
-
-<p>&nbsp;</p>
+<p class="whs2">&nbsp;</p>
 
-<p># compute the mesh</p>
+<p class="whs3"># compute the mesh</p>
 
 <p class="whs2">hexa.Compute() </p>
 
@@ -273,132 +162,94 @@ if (window.writeIntopicBar)
 
 <h4><a name=bookmark9>Deflection 1D and Number of Segments</a></h4>
 
-<p class="whs2">&nbsp;</p>
+<p class="whs2"><span style="font-family: 'Lucida Console', monospace;">import 
+ geompy</span></p>
 
 <p class="whs2">import smesh</p>
 
-<p class="whs2">import geompy</p>
-
-<p class="whs2">import salome</p>
-
-<p class="whs2">gg = salome.ImportComponentGUI(&quot;GEOM&quot;)</p>
-
 <p class="whs2">&nbsp;</p>
 
-<p class="whs3"># create vertices</p>
+<p class="whs3"># create a face from 
+ arc and straight segment</p>
 
-<p class="whs2">px &nbsp;&nbsp;= 
- geompy.MakeVertex(100., 0. &nbsp;, 
0. &nbsp;)</p>
+<p class="whs2">px = geompy.MakeVertex(100., 
+ 0. &nbsp;, 0. 
+ &nbsp;)</p>
 
-<p class="whs2">py &nbsp;&nbsp;= 
geompy.MakeVertex(0. &nbsp;
100., 0. &nbsp;)</p>
+<p class="whs2">py = geompy.MakeVertex(0. 
&nbsp;, 100.
+ 0. &nbsp;)</p>
 
-<p class="whs2">pz &nbsp;&nbsp;= 
geompy.MakeVertex(0. &nbsp;, 
0. &nbsp;, 100.)</p>
+<p class="whs2">pz = geompy.MakeVertex(0. 
&nbsp;, 0. &nbsp;, 
+ 100.)</p>
 
 <p class="whs2">&nbsp;</p>
 
-<p class="whs3"># create a vector from 
- two points</p>
-
-<p class="whs2">vxy = geompy.MakeVector(px, 
+<p class="whs2">exy = geompy.MakeEdge(px, 
  py)</p>
 
-<p class="whs2">&nbsp;</p>
-
-<p class="whs3"># create an arc from 
- three points</p>
-
 <p class="whs2">arc = geompy.MakeArc(py, 
  pz, px)</p>
 
 <p class="whs2">&nbsp;</p>
 
-<p class="whs3"># create a wire</p>
-
-<p class="whs2">wire = geompy.MakeWire([vxy, 
+<p class="whs2">wire = geompy.MakeWire([exy, 
  arc])</p>
 
-<p class="whs2">isPlanarFace = 1</p>
-
 <p class="whs2">&nbsp;</p>
 
-<p class="whs3"># create a face from 
- the wire</p>
+<p class="whs2">isPlanarFace = 1</p>
 
 <p class="whs2">face1 = geompy.MakeFace(wire, 
  isPlanarFace)</p>
 
-<p class="whs2">&nbsp;</p>
-
-<p class="whs3"><span style="font-family: 'Times New Roman', serif;"># 
- get edges from the face</span></p>
-
-<p class="whs2">vxy,arc = geompy.SubShapeAll(face1,geompy.ShapeType[&quot;EDGE&quot;])</p>
-
-<p class="whs3">&nbsp;</p>
-
-<p class="whs3"># add objects in the 
- study</p>
-
-<p class="whs2">id_face1 = geompy.addToStudy(face1,&quot;Face1&quot;)</p>
-
-<p class="whs2">id_arc = geompy.addToStudyInFather(face1,arc,&quot;Arc 
- Edge&quot;)</p>
+<p class="whs2">geompy.addToStudy(face1,&quot;Face1&quot;)</p>
 
 <p class="whs2">&nbsp;</p>
 
-<p class="whs3"># display faces</p>
-
-<p class="whs2">gg.createAndDisplayGO(id_face1)</p>
+<p class="whs3"># get edges from the 
+ face</p>
 
-<p class="whs2">gg.setDisplayMode(id_face1,1)</p>
+<p class="whs2">e_straight,e_arc = 
+ geompy.SubShapeAll(face1, geompy.ShapeType[&quot;EDGE&quot;])</p>
 
-<p class="whs2">gg.setTransparency(id_face1,0.2)</p>
+<p class="whs2">geompy.addToStudyInFather(face1, 
+ e_arc, &quot;Arc Edge&quot;)</p>
 
 <p class="whs2">&nbsp;</p>
 
 <p class="whs3"># create hexahedral mesh</p>
 
 <p class="whs2">hexa = smesh.Mesh(face1, 
- &quot;Face compound : hexahedrical mesh&quot;)</p>
-
-<p class="whs2">algo = hexa.Triangle()</p>
+ &quot;Face : triangle mesh&quot;)</p>
 
 <p class="whs2">&nbsp;</p>
 
-<p class="whs3"># define &quot;MaxElementArea&quot; 
- hypothesis</p>
-
-<p class="whs2">algo.MaxElementArea(30)</p>
-
-<p class="whs2">&nbsp;</p>
+<p class="whs3"># define &quot;NumberOfSegments&quot; 
+ hypothesis to cut a straight edge in a fixed number of segments</p>
 
-<p class="whs3"># create a local hypothesis 
- on the wire</p>
+<p class="whs2">algo1D = hexa.Segment()</p>
 
-<p class="whs2">algo = hexa.Segment(wire)</p>
+<p class="whs2">algo1D.NumberOfSegments(6)</p>
 
 <p class="whs2">&nbsp;</p>
 
-<p class="whs3"># define &quot;NumberOfSegments&quot; 
- hypothesis to cut a straight edge in a fixed number of segments</p>
+<p class="whs3"># define &quot;MaxElementArea&quot; 
+ hypothesis</p>
 
-<p class="whs2">algo.NumberOfSegments(6)</p>
+<p class="whs2">algo2D = hexa.Triangle()</p>
+
+<p class="whs2">algo2D.MaxElementArea(70.0)</p>
 
 <p class="whs2">&nbsp;</p>
 
 <p class="whs3"># define a local &quot;Deflection1D&quot; 
  hypothesis on the arc</p>
 
-<p class="whs2">algo = hexa.Segment(arc)</p>
-
-<p class="whs2">algo.Deflection1D(1)</p>
+<p class="whs2">algo_local = hexa.Segment(e_arc)</p>
 
-<p class="whs2">&nbsp;</p>
+<p class="whs2">algo_local.Deflection1D(1.0)</p>
 
 <p class="whs2">&nbsp;</p>
 
@@ -406,298 +257,121 @@ if (window.writeIntopicBar)
 
 <p class="whs2">hexa.Compute() </p>
 
-<p>&nbsp;</p>
-
 <h4><a name=bookmark2>Start and End Length</a></h4>
 
-<p class="whs2">from geompy import 
*</p>
+<p class="whs2"><span style="font-family: 'Lucida Console', monospace;">from 
geompy import *</span></p>
 
 <p class="whs2">import smesh</p>
 
-<p>&nbsp;</p>
-
-<p># create vertices</p>
-
-<p class="whs2">Point111 = MakeVertex( 
- 0, &nbsp;0, &nbsp;0)</p>
-
-<p class="whs2">Point211 = MakeVertex(10, 
- &nbsp;0, &nbsp;0)</p>
-
-<p class="whs2">Point121 = MakeVertex( 
- 0, 10, &nbsp;0)</p>
-
-<p class="whs2">Point221 = MakeVertex(10, 
- 10, &nbsp;0)</p>
-
-<p class="whs2">Point112 = MakeVertex( 
- 0, &nbsp;0, 10)</p>
-
-<p class="whs2">Point212 = MakeVertex(10, 
- &nbsp;0, 10)</p>
-
-<p class="whs2">Point122 = MakeVertex( 
- 0, 10, 10)</p>
-
-<p class="whs2">Point222 = MakeVertex(10, 
- 10, 10)</p>
-
-<p>&nbsp;</p>
-
-<p># create edges</p>
-
-<p class="whs2">EdgeX111 = MakeEdge(Point111, 
- Point211)</p>
-
-<p class="whs2">EdgeX121 = MakeEdge(Point121, 
- Point221)</p>
-
-<p class="whs2">EdgeX112 = MakeEdge(Point112, 
- Point212)</p>
-
-<p class="whs2">EdgeX122 = MakeEdge(Point122, 
- Point222)</p>
-
-<p class="whs2">EdgeY11 = MakeEdge(Point111, 
- Point121)</p>
-
-<p class="whs2">EdgeY21 = MakeEdge(Point211, 
- Point221)</p>
-
-<p class="whs2">EdgeY12 = MakeEdge(Point112, 
- Point122)</p>
-
-<p class="whs2">EdgeY22 = MakeEdge(Point212, 
- Point222)</p>
-
-<p class="whs2">EdgeZ111 = MakeEdge(Point111, 
- Point112)</p>
-
-<p class="whs2">EdgeZ211 = MakeEdge(Point211, 
- Point212)</p>
-
-<p class="whs2">EdgeZ121 = MakeEdge(Point121, 
- Point122)</p>
-
-<p class="whs2">EdgeZ221 = MakeEdge(Point221, 
- Point222)</p>
-
-<p>&nbsp;</p>
-
-<p># create faces</p>
-
-<p class="whs2">FaceX11 = MakeQuad(EdgeY11, 
- EdgeZ111, EdgeY12, EdgeZ121)</p>
-
-<p class="whs2">FaceX21 = MakeQuad(EdgeY21, 
- EdgeZ211, EdgeY22, EdgeZ221)</p>
-
-<p class="whs2">FaceY111 = MakeQuad(EdgeX111, 
- EdgeZ111, EdgeX112, EdgeZ211)</p>
-
-<p class="whs2">FaceY121 = MakeQuad(EdgeX121, 
- EdgeZ121, EdgeX122, EdgeZ221)</p>
-
-<p class="whs2">FaceZ11 = MakeQuad(EdgeX111, 
- EdgeY11, EdgeX121, EdgeY21)</p>
-
-<p class="whs2">FaceZ12 = MakeQuad(EdgeX112, 
- EdgeY12, EdgeX122, EdgeY22)</p>
-
-<p>&nbsp;</p>
+<p class="whs2">&nbsp;</p>
 
-<p># create a solid</p>
+<p class="whs3"># create a box</p>
 
-<p class="whs2">Block = MakeHexa(FaceX11
FaceX21, FaceY111, FaceY121, FaceZ11, FaceZ12)</p>
+<p class="whs2">box = MakeBoxDXDYDZ(10.
10., 10.)</p>
 
-<p>&nbsp;</p>
+<p class="whs2">addToStudy(box, &quot;Box&quot;)</p>
 
-<p># create a compound</p>
+<p class="whs2">&nbsp;</p>
 
-<p class="whs2">box = MakeCompound([Block])</p>
+<p class="whs3"># get one edge of the 
+ box to put local hypothesis on</p>
 
-<p>&nbsp;</p>
+<p class="whs2">p5 = MakeVertex(5., 
+ 0., 0.)</p>
 
-<p># add in the study</p>
+<p class="whs2">EdgeX = GetEdgeNearPoint(box, 
+ p5)</p>
 
-<p class="whs2">box_id = addToStudy(box, 
&quot;Box compound&quot;)</p>
+<p class="whs2">addToStudyInFather(box, 
EdgeX, &quot;Edge [0,0,0 - 10,0,0]&quot;)</p>
 
-<p>&nbsp;</p>
+<p class="whs2">&nbsp;</p>
 
-<p># create a hexahedral mesh on the box</p>
+<p class="whs3"># create a hexahedral 
+ mesh on the box</p>
 
 <p class="whs2">hexa = smesh.Mesh(box, 
- &quot;Box compound : hexahedrical mesh&quot;)</p>
-
-<p class="whs2">algo = hexa.Segment()</p>
-
-<p>&nbsp;</p>
-
-<p># define &quot;NumberOfSegments&quot; hypothesis to cut an edge in a 
- fixed number of segments</p>
+ &quot;Box : hexahedrical mesh&quot;)</p>
 
-<p class="whs2">algo.NumberOfSegments(4)</p>
+<p class="whs2">&nbsp;</p>
 
-<p>&nbsp;</p>
+<p class="whs3"># set algorithms</p>
 
-<p># create a quadrangle 2D algorithm for faces</p>
+<p class="whs2">algo1D = hexa.Segment()</p>
 
 <p class="whs2">hexa.Quadrangle()</p>
 
-<p>&nbsp;</p>
-
-<p># create a hexahedron 3D algorithm for solids</p>
-
 <p class="whs2">hexa.Hexahedron()</p>
 
-<p>&nbsp;</p>
-
-<p># create a local hypothesis</p>
-
-<p class="whs2">algo = hexa.Segment(EdgeX111)</p>
-
-<p>&nbsp;</p>
-
-<p># define &quot;StartEndLength&quot; hypothesis to cut an edge in several 
- segments with increasing geometric length </p>
-
-<p class="whs2">algo.StartEndLength(1, 
- 6)</p>
-
-<p>&nbsp;</p>
-
-<p># define &quot;Propagation&quot; hypothesis that propagates all other 
- hypothesis on all edges on the opposite side in case of quadrangular faces</p>
-
-<p class="whs2">algo.Propagation()</p>
-
-<p>&nbsp;</p>
-
-<p># compute the mesh</p>
-
-<p class="whs2">hexa.Compute() </p>
-
 <p class="whs2">&nbsp;</p>
 
-<h4><a name=bookmark3>Average Length</a></h4>
-
-<p class="whs2">from geompy import 
- *</p>
+<p class="whs3"># define &quot;NumberOfSegments&quot; 
+ hypothesis to cut an edge in a fixed number of segments</p>
 
-<p class="whs2">import smesh</p>
+<p class="whs2">algo1D.NumberOfSegments(4)</p>
 
 <p class="whs2">&nbsp;</p>
 
-<p class="whs3"># create vertices</p>
-
-<p class="whs2">Point111 = MakeVertex( 
- 0, &nbsp;0, &nbsp;0)</p>
-
-<p class="whs2">Point211 = MakeVertex(10, 
- &nbsp;0, &nbsp;0)</p>
-
-<p class="whs2">Point121 = MakeVertex( 
- 0, 10, &nbsp;0)</p>
-
-<p class="whs2">Point221 = MakeVertex(10, 
- 10, &nbsp;0)</p>
-
-<p class="whs2">Point112 = MakeVertex( 
- 0, &nbsp;0, 10)</p>
-
-<p class="whs2">Point212 = MakeVertex(10, 
- &nbsp;0, 10)</p>
-
-<p class="whs2">Point122 = MakeVertex( 
- 0, 10, 10)</p>
+<p class="whs3"># create a local hypothesis</p>
 
-<p class="whs2">Point222 = MakeVertex(10, 
- 10, 10)</p>
+<p class="whs2">algo_local = hexa.Segment(EdgeX)</p>
 
 <p class="whs2">&nbsp;</p>
 
-<p class="whs3"># create edges</p>
-
-<p class="whs2">EdgeX111 = MakeEdge(Point111, 
- Point211)</p>
-
-<p class="whs2">EdgeX121 = MakeEdge(Point121, 
- Point221)</p>
-
-<p class="whs2">EdgeX112 = MakeEdge(Point112, 
- Point212)</p>
-
-<p class="whs2">EdgeX122 = MakeEdge(Point122, 
- Point222)</p>
-
-<p class="whs2">EdgeY11 = MakeEdge(Point111, 
- Point121)</p>
-
-<p class="whs2">EdgeY21 = MakeEdge(Point211, 
- Point221)</p>
-
-<p class="whs2">EdgeY12 = MakeEdge(Point112, 
- Point122)</p>
+<p class="whs3"># define &quot;StartEndLength&quot; 
+ hypothesis to cut an edge in several segments with increasing geometric 
+ length</p>
 
-<p class="whs2">EdgeY22 = MakeEdge(Point212
Point222)</p>
+<p class="whs2">algo_local.StartEndLength(1
6)</p>
 
-<p class="whs2">EdgeZ111 = MakeEdge(Point111, 
- Point112)</p>
+<p class="whs2">&nbsp;</p>
 
-<p class="whs2">EdgeZ211 = MakeEdge(Point211, 
Point212)</p>
+<p class="whs3"># define &quot;Propagation&quot; 
hypothesis that propagates all other hypothesis</p>
 
-<p class="whs2">EdgeZ121 = MakeEdge(Point121, 
Point122)</p>
+<p class="whs3"># on all edges on the 
opposite side in case of quadrangular faces</p>
 
-<p class="whs2">EdgeZ221 = MakeEdge(Point221, 
- Point222)</p>
+<p class="whs2">algo_local.Propagation()</p>
 
 <p class="whs2">&nbsp;</p>
 
-<p class="whs3"># create faces</p>
-
-<p class="whs2">FaceX11 = MakeQuad(EdgeY11, 
- EdgeZ111, EdgeY12, EdgeZ121)</p>
-
-<p class="whs2">FaceX21 = MakeQuad(EdgeY21, 
- EdgeZ211, EdgeY22, EdgeZ221)</p>
+<p class="whs3"># compute the mesh</p>
 
-<p class="whs2">FaceY111 = MakeQuad(EdgeX111, 
- EdgeZ111, EdgeX112, EdgeZ211)</p>
+<p class="whs2">hexa.Compute() </p>
 
-<p class="whs2">FaceY121 = MakeQuad(EdgeX121, 
- EdgeZ121, EdgeX122, EdgeZ221)</p>
+<h4><a name=bookmark3>Average Length</a></h4>
 
-<p class="whs2">FaceZ11 = MakeQuad(EdgeX111, 
EdgeY11, EdgeX121, EdgeY21)</p>
+<p class="whs2"><span style="font-family: 'Lucida Console', monospace;">from 
geompy import *</span></p>
 
-<p class="whs2">FaceZ12 = MakeQuad(EdgeX112, 
- EdgeY12, EdgeX122, EdgeY22)</p>
+<p class="whs2">import smesh</p>
 
 <p class="whs2">&nbsp;</p>
 
-<p class="whs3"># create a solid</p>
+<p class="whs3"># create a box</p>
 
-<p class="whs2">Block = MakeHexa(FaceX11
FaceX21, FaceY111, FaceY121, FaceZ11, FaceZ12)</p>
+<p class="whs2">box = MakeBoxDXDYDZ(10.
10., 10.)</p>
 
-<p class="whs2">&nbsp;</p>
+<p class="whs2">addToStudy(box, &quot;Box&quot;)</p>
 
-<p class="whs3"># create a compound</p>
+<p class="whs2">&nbsp;</p>
 
-<p class="whs2">box = MakeCompound([Block])</p>
+<p class="whs3"># get one edge of the 
+ box to put local hypothesis on</p>
 
-<p class="whs2">&nbsp;</p>
+<p class="whs2">p5 = MakeVertex(5., 
+ 0., 0.)</p>
 
-<p class="whs3"># add in the study</p>
+<p class="whs2">EdgeX = GetEdgeNearPoint(box, 
+ p5)</p>
 
-<p class="whs2">box_id = addToStudy(box, 
&quot;Box compound&quot;)</p>
+<p class="whs2">addToStudyInFather(box, 
EdgeX, &quot;Edge [0,0,0 - 10,0,0]&quot;)</p>
 
 <p class="whs2">&nbsp;</p>
 
@@ -705,51 +379,47 @@ if (window.writeIntopicBar)
  mesh on the box</p>
 
 <p class="whs2">hexa = smesh.Mesh(box, 
- &quot;Box compound : hexahedrical mesh&quot;)</p>
-
-<p class="whs2">algo = hexa.Segment()</p>
+ &quot;Box : hexahedrical mesh&quot;)</p>
 
 <p class="whs2">&nbsp;</p>
 
-<p class="whs3"># define &quot;NumberOfSegments&quot; 
- hypothesis to cut an edge in a fixed number of segments</p>
-
-<p class="whs2">algo.NumberOfSegments(4)</p>
-
-<p class="whs2">&nbsp;</p>
+<p class="whs3"># set algorithms</p>
 
-<p class="whs3"># create a quadrangle 
- 2D algorithm for faces</p>
+<p class="whs2">algo1D = hexa.Segment()</p>
 
 <p class="whs2">hexa.Quadrangle()</p>
 
+<p class="whs2">hexa.Hexahedron()</p>
+
 <p class="whs2">&nbsp;</p>
 
-<p class="whs3"># create a hexahedron 
3D algorithm for solids</p>
+<p class="whs3"># define &quot;NumberOfSegments&quot; 
hypothesis to cut all edges in a fixed number of segments</p>
 
-<p class="whs2">hexa.Hexahedron()</p>
+<p class="whs2">algo1D.NumberOfSegments(4)</p>
 
 <p class="whs2">&nbsp;</p>
 
-<p class="whs3"># create a local hypothesis</p>
+<p class="whs3"># create a sub-mesh</p>
 
-<p class="whs2">algo = hexa.Segment(EdgeX111)</p>
+<p class="whs2">algo_local = hexa.Segment(EdgeX)</p>
 
 <p class="whs2">&nbsp;</p>
 
 <p class="whs3"># define &quot;LocalLength&quot; 
  hypothesis to cut an edge in several segments with the same length</p>
 
-<p class="whs2">algo.LocalLength(2)</p>
+<p class="whs2">algo_local.LocalLength(2.)</p>
 
 <p class="whs2">&nbsp;</p>
 
 <p class="whs3"># define &quot;Propagation&quot; 
- hypothesis that propagates all other hypothesis on all edges on<span style="font-family: 'Times New Roman', serif;"> 
- the opposite side in case of quadrangular faces</span></p>
+ hypothesis that propagates all other hypothesis</p>
+
+<p class="whs3"># on all edges on the 
+ opposite side in case of quadrangular faces</p>
 
-<p class="whs2">algo.Propagation()</p>
+<p class="whs2">algo_local.Propagation()</p>
 
 <p class="whs2">&nbsp;</p>
 
@@ -757,10 +427,6 @@ if (window.writeIntopicBar)
 
 <p class="whs2">hexa.Compute() </p>
 
-<p class="whs2">&nbsp;</p>
-
-<p class="whs2">&nbsp;</p>
-
 <h3>Defining 2D and 3D hypotheses</h3>
 
 <h4><a name=bookmark4>Maximum Element Area</a></h4>
@@ -768,8 +434,6 @@ if (window.writeIntopicBar)
 <p class="whs4"><span style="font-family: 'Lucida Console', monospace;">import 
  smesh</span></p>
 
-<p class="whs4">import geompy</p>
-
 <p class="whs4">import salome</p>
 
 <p class="whs4">&nbsp;</p>
@@ -859,168 +523,59 @@ if (window.writeIntopicBar)
 <h4><a name=bookmark5>Maximum Element Volume</a></h4>
 
 <p class="whs4"><span style="font-family: 'Lucida Console', monospace;">import 
- salome</span></p>
-
-<p class="whs4">import geompy</p>
-
-<p class="whs4">import StdMeshers</p>
+ geompy</span></p>
 
-<p class="whs4">import NETGENPlugin</p>
+<p class="whs4">import smesh</p>
 
 <p class="whs4">&nbsp;</p>
 
-<p class="whs4">smesh = salome.lcc.FindOrLoadComponent(&quot;FactoryServer&quot;, 
- &quot;SMESH&quot;)</p>
+<p class="whs5"># create a cylinder</p>
 
-<p class="whs4">smeshgui = salome.ImportComponentGUI(&quot;SMESH&quot;)</p>
+<p class="whs4">cyl = geompy.MakeCylinderRH(30., 
+ 50.)</p>
 
-<p class="whs4">smeshgui.Init(salome.myStudyId);</p>
+<p class="whs4">geompy.addToStudy(cyl, 
+ &quot;cyl&quot;)</p>
 
 <p class="whs4">&nbsp;</p>
 
-<p class="whs5"># create a box</p>
+<p class="whs5"># create a mesh on 
+ the cylinder</p>
 
-<p class="whs4">box = geompy.MakeCylinderRH(30, 
- 50) #MakeBox(0., 0., 0., </p>
-
-<p class="whs4">100., 200., 300.)</p>
+<p class="whs4">tetra = smesh.Mesh(cyl, 
+ &quot;Cylinder : tetrahedrical mesh&quot;)</p>
 
 <p class="whs4">&nbsp;</p>
 
-<p class="whs5"># add the box in the 
- study</p>
-
-<p class="whs4">idbox = geompy.addToStudy(box, 
- &quot;box&quot;)</p>
-
-<p class="whs4">&nbsp;</p>
-
-<p class="whs5"># create a set of hypotheses</p>
-
-<p class="whs5">&nbsp;</p>
-
-<p class="whs5"># Number of Segments</p>
-
-<p class="whs4">numberOfSegments 
- = 7</p>
-
-<p class="whs4">hypNbSeg = smesh.CreateHypothesis(&quot;NumberOfSegments&quot;, 
- &quot;libStdMeshersEngine.so&quot;)</p>
+<p class="whs5"># assign algorithms</p>
 
-<p class="whs4">hypNbSeg.SetNumberOfSegments(numberOfSegments)</p>
+<p class="whs4">algo1D = tetra.Segment()</p>
 
-<p class="whs4">print hypNbSeg.GetName()</p>
+<p class="whs4">algo2D = tetra.Triangle()</p>
 
-<p class="whs4">print hypNbSeg.GetNumberOfSegments()</p>
-
-<p class="whs4">smeshgui.SetName(salome.ObjectToID(hypNbSeg), 
- &quot;NumberOfSegments_7&quot;)</p>
+<p class="whs4">algo3D = tetra.Tetrahedron(smesh.NETGEN)</p>
 
 <p class="whs4">&nbsp;</p>
 
-<p class="whs5"># Max Element Area</p>
-
-<p class="whs4">maxElementArea = 
- 800</p>
-
-<p class="whs4">hypArea = smesh.CreateHypothesis(&quot;MaxElementArea&quot;, 
- &quot;libStdMeshersEngine.so&quot;)</p>
+<p class="whs5"># assign 1D and 2D 
+ hypotheses</p>
 
-<p class="whs4">hypArea.SetMaxElementArea(maxElementArea)</p>
+<p class="whs4">algo1D.NumberOfSegments(7)</p>
 
-<p class="whs4">print hypArea.GetName()</p>
-
-<p class="whs4">print hypArea.GetMaxElementArea()</p>
-
-<p class="whs4">smeshgui.SetName(salome.ObjectToID(hypArea), 
- &quot;MaxElementArea_800&quot;)</p>
+<p class="whs4">algo2D.MaxElementArea(150.)</p>
 
 <p class="whs4">&nbsp;</p>
 
-<p class="whs5"># Max Element Volume</p>
-
-<p class="whs4">maxElementVolume 
- = 900</p>
-
-<p class="whs4">hypVolume = smesh.CreateHypothesis(&quot;MaxElementVolume&quot;, 
- &quot;libStdMeshersEngine.so&quot;)</p>
-
-<p class="whs4">hypVolume.SetMaxElementVolume(maxElementVolume)</p>
-
-<p class="whs4">print hypVolume.GetName()</p>
-
-<p class="whs4">print hypVolume.GetMaxElementVolume()</p>
-
-<p class="whs4">smeshgui.SetName(salome.ObjectToID(hypVolume), 
- &quot;MaxElementVolume_900&quot;)</p>
-
-<p class="whs4">&nbsp;</p>
-
-<p class="whs5"># create a set of algorithms</p>
-
-<p class="whs5">&nbsp;</p>
-
-<p class="whs5"># Regular_1D</p>
-
-<p class="whs4">regular1D = smesh.CreateHypothesis(&quot;Regular_1D&quot;, 
- &quot;libStdMeshersEngine.so&quot;)</p>
-
-<p class="whs4">smeshgui.SetName(salome.ObjectToID(regular1D), 
- &quot;Wire Discretisation&quot;)</p>
-
-<p class="whs4">&nbsp;</p>
-
-<p class="whs5"># MEFISTO_2D</p>
-
-<p class="whs4">mefisto2D = smesh.CreateHypothesis(&quot;MEFISTO_2D&quot;, 
- &quot;libStdMeshersEngine.so&quot;)</p>
-
-<p class="whs4">smeshgui.SetName(salome.ObjectToID(mefisto2D), 
- &quot;MEFISTO_2D&quot;)</p>
-
-<p class="whs4">&nbsp;</p>
-
-<p class="whs5"># NETGEN_3D (Tetrahedron 
- meshing algorithm)</p>
-
-<p class="whs4">tetra3D = smesh.CreateHypothesis(&quot;NETGEN_3D&quot;, 
- &quot;libNETGENEngine.so&quot;)</p>
-
-<p class="whs4">smeshgui.SetName(salome.ObjectToID(tetra3D), 
- &quot;NETGEN_3D&quot;)</p>
-
-<p class="whs4">&nbsp;</p>
-
-<p class="whs5"># initialize a mesh 
- with the box</p>
-
-<p class="whs4">mesh = smesh.CreateMesh(box)</p>
-
-<p class="whs4">smeshgui.SetName(salome.ObjectToID(mesh), 
- &quot;MeshBox&quot;)</p>
-
-<p class="whs4">&nbsp;</p>
-
-<p class="whs5"># add hypotheses and 
- algorithms to the box</p>
-
-<p class="whs4">mesh.AddHypothesis(box,hypNbSeg)</p>
-
-<p class="whs4">mesh.AddHypothesis(box,hypArea)</p>
-
-<p class="whs4">mesh.AddHypothesis(box,hypVolume)</p>
-
-<p class="whs4">mesh.AddHypothesis(box,regular1D)</p>
-
-<p class="whs4">mesh.AddHypothesis(box,mefisto2D)</p>
+<p class="whs5"># assign Max Element 
+ Volume hypothesis</p>
 
-<p class="whs4">mesh.AddHypothesis(box,tetra3D)</p>
+<p class="whs4">algo3D.MaxElementVolume(200.)</p>
 
 <p class="whs4">&nbsp;</p>
 
 <p class="whs5"># compute the mesh</p>
 
-<p class="whs4">ret = smesh.Compute(mesh,box)</p>
+<p class="whs4">ret = tetra.Compute()</p>
 
 <p class="whs4">if ret == 0:</p>
 
@@ -1030,19 +585,12 @@ if (window.writeIntopicBar)
 <p class="whs4">else:</p>
 
 <p class="whs4">&nbsp;&nbsp;&nbsp;&nbsp;print 
- &quot;Computation succeded&quot;</p>
-
-<p class="whs4">salome.sg.updateObjBrowser(1) 
- </p>
-
-<p class="whs4">&nbsp;</p>
+ &quot;Computation succeded&quot; </p>
 
 <h4><a name=bookmark6>Length from Edges</a></h4>
 
 <p class="whs2"><span style="font-family: 'Lucida Console', monospace;">import 
- salome</span></p>
-
-<p class="whs2">import geompy</p>
+ geompy</span></p>
 
 <p class="whs2">import smesh</p>
 
@@ -1056,21 +604,18 @@ if (window.writeIntopicBar)
 <p class="whs2">sketcher2 = geompy.MakeSketcher(&quot;Sketcher:F 
  20 20:TT 50 20:TT 50 50:TT 20 50:WW&quot;)</p>
 
-<p class="whs2">isPlanarFace = 1</p>
-
 <p class="whs2">&nbsp;</p>
 
 <p class="whs3"># create a face from 
  two wires</p>
 
-<p class="whs2">face1 = geompy.MakeFaces([sketcher1, 
- sketcher2],isPlanarFace)</p>
-
-<p class="whs2">&nbsp;</p>
+<p class="whs2">isPlanarFace = 1</p>
 
-<p class="whs3"># add object in the study</p>
+<p class="whs2">face1 = geompy.MakeFaces([sketcher1, 
+ sketcher2], isPlanarFace)</p>
 
-<p class="whs2">id_face1 = geompy.addToStudy(face1,&quot;Face1&quot;)</p>
+<p class="whs2">geompy.addToStudy(face1, 
+ &quot;Face1&quot;)</p>
 
 <p class="whs2">&nbsp;</p>
 
@@ -1083,26 +628,24 @@ if (window.writeIntopicBar)
 
 <p class="whs3"># Define 1D meshing</p>
 
-<p class="whs2">algo = tria.Segment()</p>
+<p class="whs2">algo1D = tria.Segment()</p>
 
-<p class="whs2">algo.NumberOfSegments(2)</p>
+<p class="whs2">algo1D.NumberOfSegments(2)</p>
 
 <p class="whs2">&nbsp;</p>
 
 <p class="whs3"># create and assign the 
  algorithm for 2D meshing with triangles</p>
 
-<p class="whs2">algo = tria.Triangle()</p>
+<p class="whs2">algo2D = tria.Triangle()</p>
 
 <p class="whs2">&nbsp;</p>
 
 <p class="whs3"># create and assign &quot;LengthFromEdges&quot; 
- hypothesis to build triangles </p>
-
-<p class="whs3"># based on the length 
- of the edges taken from the wire</p>
+ hypothesis to build triangles<span style="font-family: 'Times New Roman', serif;"> 
+ based on the length of the edges taken from the wire</span></p>
 
-<p class="whs2">algo.LengthFromEdges()</p>
+<p class="whs2">algo2D.LengthFromEdges()</p>
 
 <p class="whs2">&nbsp;</p>
 
@@ -1116,263 +659,218 @@ if (window.writeIntopicBar)
 
 <h4><a name=bookmark7>Propagation</a></h4>
 
-<p class="whs2"><span style="font-family: 'Lucida Console', monospace;">from 
geompy import *</span></p>
+<p class="whs2">from geompy import 
*</p>
 
 <p class="whs2">import smesh</p>
 
 <p class="whs2">&nbsp;</p>
 
-<p class="whs3"># create vertices</p>
-
-<p class="whs2">Point111 = MakeVertex( 
- 0, &nbsp;0, &nbsp;0)</p>
+<p class="whs3"># create a box</p>
 
-<p class="whs2">Point211 = MakeVertex(10
&nbsp;0, &nbsp;0)</p>
+<p class="whs2">box = MakeBoxDXDYDZ(10.
10., 10.)</p>
 
-<p class="whs2">Point121 = MakeVertex( 
- 0, 10, &nbsp;0)</p>
+<p class="whs2">addToStudy(box, &quot;Box&quot;)</p>
 
-<p class="whs2">Point221 = MakeVertex(10, 
- 10, &nbsp;0)</p>
+<p class="whs2">&nbsp;</p>
 
-<p class="whs2">Point112 = MakeVertex( 
0, &nbsp;0, 10)</p>
+<p class="whs3"># get one edge of the 
box to put local hypothesis on</p>
 
-<p class="whs2">Point212 = MakeVertex(10
&nbsp;0, 10)</p>
+<p class="whs2">p5 = MakeVertex(5.
0., 0.)</p>
 
-<p class="whs2">Point122 = MakeVertex( 
0, 10, 10)</p>
+<p class="whs2">EdgeX = GetEdgeNearPoint(box, 
p5)</p>
 
-<p class="whs2">Point222 = MakeVertex(10
10, 10)</p>
+<p class="whs2">addToStudyInFather(box
EdgeX, &quot;Edge [0,0,0 - 10,0,0]&quot;)</p>
 
 <p class="whs2">&nbsp;</p>
 
-<p class="whs3"># create edges</p>
+<p class="whs3"># create a hexahedral 
+ mesh on the box</p>
 
-<p class="whs2">EdgeX111 = MakeEdge(Point111
Point211)</p>
+<p class="whs2">hexa = smesh.Mesh(box
&quot;Box : hexahedrical mesh&quot;)</p>
 
-<p class="whs2">EdgeX121 = MakeEdge(Point121, 
- Point221)</p>
+<p class="whs2">&nbsp;</p>
 
-<p class="whs2">EdgeX112 = MakeEdge(Point112, 
Point212)</p>
+<p class="whs3"># set global algorithms 
and hypotheses</p>
 
-<p class="whs2">EdgeX122 = MakeEdge(Point122, 
- Point222)</p>
+<p class="whs2">algo1D = hexa.Segment()</p>
 
-<p class="whs2">EdgeY11 = MakeEdge(Point111, 
- Point121)</p>
+<p class="whs2">hexa.Quadrangle()</p>
 
-<p class="whs2">EdgeY21 = MakeEdge(Point211, 
- Point221)</p>
+<p class="whs2">hexa.Hexahedron()</p>
 
-<p class="whs2">EdgeY12 = MakeEdge(Point112, 
- Point122)</p>
+<p class="whs2">algo1D.NumberOfSegments(4)</p>
 
-<p class="whs2">EdgeY22 = MakeEdge(Point212, 
- Point222)</p>
+<p class="whs2">&nbsp;</p>
 
-<p class="whs2">EdgeZ111 = MakeEdge(Point111, 
Point112)</p>
+<p class="whs3"># create a sub-mesh with 
local 1D hypothesis and propagation</p>
 
-<p class="whs2">EdgeZ211 = MakeEdge(Point211, 
- Point212)</p>
+<p class="whs2">algo_local = hexa.Segment(EdgeX)</p>
 
-<p class="whs2">EdgeZ121 = MakeEdge(Point121, 
- Point122)</p>
+<p class="whs2">&nbsp;</p>
+
+<p class="whs3"># define &quot;Arithmetic1D&quot; 
+ hypothesis to cut an edge in several segments with increasing length</p>
 
-<p class="whs2">EdgeZ221 = MakeEdge(Point221, 
Point222)</p>
+<p class="whs2">algo_local.Arithmetic1D(1, 
4)</p>
 
 <p class="whs2">&nbsp;</p>
 
-<p class="whs3"># create faces</p>
+<p class="whs3"># define &quot;Propagation&quot; 
+ hypothesis that propagates all other 1D hypotheses</p>
 
-<p class="whs2">FaceX11 = MakeQuad(EdgeY11, 
EdgeZ111, EdgeY12, EdgeZ121)</p>
+<p class="whs3"># from all edges on the 
opposite side of a face in case of quadrangular faces</p>
 
-<p class="whs2">FaceX21 = MakeQuad(EdgeY21, 
- EdgeZ211, EdgeY22, EdgeZ221)</p>
+<p class="whs2">algo_local.Propagation()</p>
 
-<p class="whs2">FaceY111 = MakeQuad(EdgeX111, 
- EdgeZ111, EdgeX112, EdgeZ211)</p>
+<p class="whs2">&nbsp;</p>
 
-<p class="whs2">FaceY121 = MakeQuad(EdgeX121, 
- EdgeZ121, EdgeX122, EdgeZ221)</p>
+<p class="whs3"># compute the mesh</p>
 
-<p class="whs2">FaceZ11 = MakeQuad(EdgeX111, 
EdgeY11, EdgeX121, EdgeY21)</p>
+<p><span style="font-family: 'Lucida Console', monospace;">hexa.Compute()</span> 
+ </p>
 
-<p class="whs2">FaceZ12 = MakeQuad(EdgeX112, 
- EdgeY12, EdgeX122, EdgeY22)</p>
+<h3><a name=bookmark8>Defining Meshing Algorithms</a></h3>
 
-<p class="whs2">&nbsp;</p>
+<p class="whs4">import geompy</p>
 
-<p class="whs3"># create a solid</p>
+<p class="whs4">import smesh</p>
 
-<p class="whs2">box = MakeHexa(FaceX11, 
- FaceX21, FaceY111, FaceY121, FaceZ11, FaceZ12)</p>
+<p class="whs6">&nbsp;</p>
 
-<p class="whs2">&nbsp;</p>
+<p class="whs6"># create a box</p>
 
-<p class="whs3"># add in the study</p>
+<p class="whs4">box = geompy.MakeBoxDXDYDZ(10., 
+ 10., 10.)</p>
 
-<p class="whs2">box_id = addToStudy(box, 
+<p class="whs4">geompy.addToStudy(box, 
  &quot;Box&quot;)</p>
 
-<p class="whs2">&nbsp;</p>
+<p class="whs4">&nbsp;</p>
 
-<p class="whs3"># create a hexahedral 
+<p class="whs6"># 1. Create a hexahedral 
  mesh on the box</p>
 
-<p class="whs2">hexa = smesh.Mesh(box, 
+<p class="whs4">hexa = smesh.Mesh(box, 
  &quot;Box : hexahedrical mesh&quot;)</p>
 
-<p class="whs2">&nbsp;</p>
+<p class="whs6">&nbsp;</p>
 
-<p class="whs3"># create an 1D algorithm 
+<p class="whs6"># create a Regular 1D algorithm 
  for edges</p>
 
-<p class="whs2">algo = hexa.Segment()</p>
-
-<p class="whs2">&nbsp;</p>
-
-<p class="whs3"># define &quot;NumberOfSegments&quot; 
- hypothesis to cut an edge in a fixed number of segments</p>
-
-<p class="whs2">algo.NumberOfSegments(4)</p>
-
-<p class="whs2">&nbsp;</p>
-
-<p class="whs3"># create a quadrangle 
- 2D algorithm for faces</p>
-
-<p class="whs2">hexa.Quadrangle()</p>
+<p class="whs4">algo1D = hexa.Segment()</p>
 
-<p class="whs2">&nbsp;</p>
+<p class="whs6">&nbsp;</p>
 
-<p class="whs3"># create a hexahedron 
3D algorithm for solids</p>
+<p class="whs6"># create a quadrangle 2D 
algorithm for faces</p>
 
-<p class="whs2">hexa.Hexahedron()</p>
+<p class="whs4">algo2D = hexa.Quadrangle()</p>
 
-<p class="whs2">&nbsp;</p>
+<p class="whs6">&nbsp;</p>
 
-<p class="whs3"># create a local hypothesis</p>
+<p class="whs6"># create a hexahedron 3D 
+ algorithm for solids</p>
 
-<p class="whs2">algo = hexa.Segment(EdgeX111)</p>
+<p class="whs4">algo3D = hexa.Hexahedron()</p>
 
-<p class="whs2">&nbsp;</p>
+<p class="whs6">&nbsp;</p>
 
-<p class="whs3"># define &quot;Arithmetic1D&quot; 
- hypothesis to cut an edge<span style="font-family: 'Times New Roman', serif;"> 
- in several segments with increasing length</span></p>
+<p class="whs6"># define hypotheses</p>
 
-<p class="whs2">algo.Arithmetic1D(1, 
+<p class="whs4">algo1D.Arithmetic1D(1, 
  4)</p>
 
-<p class="whs2">&nbsp;</p>
-
-<p class="whs3"># define &quot;Propagation&quot; 
- hypothesis that propagates all other 1D hypotheses</p>
-
-<p class="whs3"># from all edges on the 
- opposite side of a face in case of quadrangular faces</p>
+<p class="whs6">&nbsp;</p>
 
-<p class="whs2">algo.Propagation()</p>
+<p class="whs6"># compute the mesh</p>
 
-<p class="whs2">&nbsp;</p>
+<p class="whs4">hexa.Compute()</p>
 
-<p class="whs3"># compute the mesh</p>
+<p class="whs6">&nbsp;</p>
 
-<p class="whs2">hexa.Compute() &nbsp;</p>
+<p class="whs6"># 2. Create a tetrahedral 
+ mesh on the box</p>
 
-<h3><a name=bookmark8>Defining Meshing Algorithms</a></h3>
+<p class="whs4">tetra = smesh.Mesh(box, 
+ &quot;Box : tetrahedrical mesh&quot;)</p>
 
-<p class="whs4"><span style="font-family: 'Lucida Console', monospace;">import 
- salome</span></p>
-
-<p class="whs4">import StdMeshers</p>
+<p class="whs6">&nbsp;</p>
 
-<p class="whs4">import NETGENPlugin</p>
+<p class="whs6"># create a Regular 1D algorithm 
+ for edges</p>
 
-<p class="whs4">&nbsp;</p>
+<p class="whs4">algo1D = tetra.Segment()</p>
 
-<p class="whs4">smesh = salome.lcc.FindOrLoadComponent(&quot;FactoryServer&quot;, 
- &quot;SMESH&quot;)</p>
+<p class="whs6">&nbsp;</p>
 
-<p class="whs4">smeshgui = salome.ImportComponentGUI(&quot;SMESH&quot;)</p>
+<p class="whs6"># create a Mefisto 2D algorithm 
+ for faces</p>
 
-<p class="whs4">smeshgui.Init(salome.myStudyId);</p>
+<p class="whs4">algo2D = tetra.Triangle()</p>
 
 <p class="whs6">&nbsp;</p>
 
-<p class="whs6"># create algorithms</p>
-
-<p class="whs4">print &quot;-------------------------- 
- create Algorithms&quot;</p>
+<p class="whs6"># create a Netgen 3D algorithm 
+ for solids</p>
 
-<p class="whs4">print &quot;-------------------------- 
- Regular_1D (Wire discretisation)&quot;</p>
+<p class="whs4">algo3D = tetra.Tetrahedron(smesh.NETGEN)</p>
 
-<p class="whs4">regular1D = smesh.CreateHypothesis(&quot;Regular_1D&quot;, 
- &quot;libStdMeshersEngine.so&quot;)</p>
+<p class="whs6">&nbsp;</p>
 
-<p class="whs4">smeshgui.SetName(salome.ObjectToID(regular1D), 
- &quot;Wire Discretisation&quot;)</p>
+<p class="whs6"># define hypotheses</p>
 
-<p class="whs4">&nbsp;</p>
+<p class="whs4">algo1D.Arithmetic1D(1, 
+ 4)</p>
 
-<p class="whs4">print &quot;-------------------------- 
- MEFISTO_2D (Triangle meshing algorithm)&quot;</p>
+<p class="whs4">algo2D.LengthFromEdges()</p>
 
-<p class="whs4">mefisto2D = smesh.CreateHypothesis(&quot;MEFISTO_2D&quot;, 
- &quot;libStdMeshersEngine.so&quot;)</p>
+<p class="whs6">&nbsp;</p>
 
-<p class="whs4">smeshgui.SetName(salome.ObjectToID(mefisto2D), 
- &quot;MEFISTO_2D&quot;)</p>
+<p class="whs6"># compute the mesh</p>
 
-<p class="whs4">&nbsp;</p>
+<p class="whs4">tetra.Compute()</p>
 
-<p class="whs4">print &quot;-------------------------- 
- Quadrangle_2D (Quadrangle meshing algorithm)&quot;</p>
+<p class="whs6">&nbsp;</p>
 
-<p class="whs4">quad2D = smesh.CreateHypothesis( 
&quot;Quadrangle_2D&quot;, &quot;libStdMeshersEngine.so&quot; )</p>
+<p class="whs6"># 3. Create a tetrahedral 
mesh on the box with NETGEN_2D3D algorithm</p>
 
-<p class="whs4">smeshgui.SetName(salome.ObjectToID(quad2D)
- &quot;Quadrangle_2D&quot;)</p>
+<p class="whs4">tetraN = smesh.Mesh(box
+ &quot;Box : tetrahedrical mesh by NETGEN_2D3D&quot;)</p>
 
-<p class="whs4">&nbsp;</p>
+<p class="whs6">&nbsp;</p>
 
-<p class="whs4">print &quot;-------------------------- 
Hexa_3D (Hexahedron meshing algorithm)&quot;</p>
+<p class="whs6"># create a Netgen_2D3D 
algorithm for solids</p>
 
-<p class="whs4">hexa3D = smesh.CreateHypothesis(&quot;Hexa_3D&quot;, 
- &quot;libStdMeshersEngine.so&quot;)</p>
+<p class="whs4">is3D = 1</p>
 
-<p class="whs4">smeshgui.SetName(salome.ObjectToID(hexa3D), 
- &quot;HEXA_3D&quot;)</p>
+<p class="whs4">algo3D = tetraN.Netgen(is3D)</p>
 
-<p class="whs4">&nbsp;</p>
+<p class="whs6">&nbsp;</p>
 
-<p class="whs4">print &quot;-------------------------- 
- NETGEN_3D (Tetrahedron meshing algorithm)&quot;</p>
+<p class="whs6"># define hypotheses</p>
 
-<p class="whs4">netgen3D = smesh.CreateHypothesis(&quot;NETGEN_3D&quot;, 
- &quot;libNETGENEngine.so&quot;)</p>
+<p class="whs4">n23_params = algo3D.Parameters()</p>
 
-<p class="whs4">smeshgui.SetName(salome.ObjectToID(netgen3D), 
- &quot;NETGEN_3D&quot;)</p>
+<p class="whs6">&nbsp;</p>
 
-<p class="whs4">salome.sg.updateObjBrowser(1)</p>
+<p class="whs6"># compute the mesh</p>
 
-<p class="whs6">&nbsp;</p>
+<p class="whs4">tetraN.Compute() 
+ </p>
 
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