1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
22 // File : SMESH_Measurements_i.cxx
23 // Author : Pavel TELKOV, Open CASCADE S.A.S. (pavel.telkov@opencascade.com)
29 #include "SMESH_Measurements_i.hxx"
31 #include "SMESH_Gen_i.hxx"
32 #include "SMESH_Filter_i.hxx"
33 #include "SMESH_PythonDump.hxx"
35 #include "SMDS_Mesh.hxx"
36 #include "SMDS_MeshNode.hxx"
37 #include "SMDS_MeshElement.hxx"
38 #include "SMDS_ElemIterator.hxx"
40 #include "SMESHDS_Mesh.hxx"
43 using namespace SMESH;
46 * this local function to avoid uninitialized fields
48 static void initMeasure( SMESH::Measure& theMeasure)
51 theMeasure.minX = theMeasure.minY = theMeasure.minZ = 0.;
52 theMeasure.maxX = theMeasure.maxY = theMeasure.maxZ = 0.;
53 theMeasure.node1 = theMeasure.node2 = -1;
54 theMeasure.elem1 = theMeasure.elem2 = -1;
55 theMeasure.value = 0.;
58 //=============================================================================
60 * SMESH_Gen_i::CreateMeasurements
62 * Create measurement instance
64 //=============================================================================
66 SMESH::Measurements_ptr SMESH_Gen_i::CreateMeasurements()
68 SMESH::Measurements_i* aMeasure = new SMESH::Measurements_i();
69 SMESH::Measurements_var anObj = aMeasure->_this();
76 Description : make measure of mesh qunatities
79 //=======================================================================
80 // name : Measurements_i
81 // Purpose : Constructor
82 //=======================================================================
83 Measurements_i::Measurements_i()
84 : SALOME::GenericObj_i( SMESH_Gen_i::GetPOA() )
86 //Base class Salome_GenericObject do it inmplicitly by overriding PortableServer::POA_ptr _default_POA() method
87 //PortableServer::ObjectId_var anObjectId =
88 // SMESH_Gen_i::GetPOA()->activate_object( this );
91 //=======================================================================
92 // name : ~Measurements_i
93 // Purpose : Destructor
94 //=======================================================================
95 Measurements_i::~Measurements_i()
97 //TPythonDump()<<this<<".UnRegister()";
100 static bool getNodeNodeDistance (SMESH::Measure& theMeasure,
101 const SMDS_MeshNode* theNode1,
102 const SMDS_MeshNode* theNode2 = 0)
104 double dist = 0., dd = 0.;
109 dd = theNode1->X(); if (theNode2) dd -= theNode2->X(); theMeasure.minX = dd; dd *= dd; dist += dd;
110 dd = theNode1->Y(); if (theNode2) dd -= theNode2->Y(); theMeasure.minY = dd; dd *= dd; dist += dd;
111 dd = theNode1->Z(); if (theNode2) dd -= theNode2->Z(); theMeasure.minZ = dd; dd *= dd; dist += dd;
116 theMeasure.value = sqrt(dist);
117 theMeasure.node1 = theNode1->GetID();
118 theMeasure.node2 = theNode2 ? theNode2->GetID() : 0;
123 static SMESHDS_Mesh* getMesh(SMESH::SMESH_IDSource_ptr theSource)
125 if (!CORBA::is_nil( theSource ))
127 SMESH_Mesh_i* anImplPtr = DownCast<SMESH_Mesh_i*>(theSource->GetMesh());
129 return anImplPtr->GetImpl().GetMeshDS();
134 static bool isNodeType (SMESH::array_of_ElementType_var theTypes)
136 return theTypes->length() > 0 && theTypes[0] == SMESH::NODE;
139 static double getNumericalValue(SMESH::SMESH_IDSource_ptr theSource,
140 SMESH::Controls::NumericalFunctorPtr theFunctor)
144 if ( !CORBA::is_nil( theSource ) ) {
145 const SMESHDS_Mesh* aMesh = getMesh( theSource );
147 theFunctor->SetMesh( aMesh );
149 SMESH::long_array_var anElementsId = theSource->GetIDs();
150 for ( CORBA::ULong i = 0; i < anElementsId->length(); i++) {
151 value += theFunctor->GetValue( anElementsId[i] );
158 //=======================================================================
159 // name : MinDistance
160 // Purpose : minimal distance between two given entities
161 //=======================================================================
162 SMESH::Measure Measurements_i::MinDistance
163 (SMESH::SMESH_IDSource_ptr theSource1,
164 SMESH::SMESH_IDSource_ptr theSource2)
166 SMESH::Measure aMeasure;
167 initMeasure(aMeasure);
169 if (CORBA::is_nil( theSource1 ))
172 // if second source is null, min distance from theSource1 to the origin is calculated
173 bool isOrigin = CORBA::is_nil( theSource2 );
175 // calculate minimal distance between two mesh entities
176 SMESH::array_of_ElementType_var types1 = theSource1->GetTypes();
177 SMESH::array_of_ElementType_var types2;
178 if ( !isOrigin ) types2 = theSource2->GetTypes();
180 // here we assume that type of all IDs defined by first type in array
181 bool isNode1 = isNodeType(types1);
182 bool isNode2 = isOrigin || isNodeType(types2);
184 SMESH::long_array_var aElementsId1 = theSource1->GetIDs();
185 SMESH::long_array_var aElementsId2;
186 if ( !isOrigin ) aElementsId2 = theSource2->GetIDs();
188 // compute distance between two entities
189 /* NOTE: currently only node-to-node case is implemented
190 * all other cases will be implemented later
191 * below IF should be replaced by complete switch
192 * on mesh entities types
194 if (isNode1 && isNode2)
197 const SMESHDS_Mesh* aMesh1 = getMesh( theSource1 );
198 const SMESHDS_Mesh* aMesh2 = isOrigin ? 0 : getMesh( theSource2 );
199 const SMDS_MeshNode* theNode1 = aMesh1 ? aMesh1->FindNode( aElementsId1[0] ) : 0;
200 const SMDS_MeshNode* theNode2 = aMesh2 ? aMesh2->FindNode( aElementsId2[0] ) : 0;
201 getNodeNodeDistance( aMeasure, theNode1, theNode2 );
211 //=======================================================================
212 // name : enlargeBoundingBox
214 //=======================================================================
215 static void enlargeBoundingBox(const SMDS_MeshNode* theNode,
216 SMESH::Measure& theMeasure)
220 if ( theMeasure.node1 == -1 ) {
221 // we use this attribute as a flag that it is the first node added to the bnd box
222 theMeasure.minX = theMeasure.maxX = theNode->X();
223 theMeasure.minY = theMeasure.maxY = theNode->Y();
224 theMeasure.minZ = theMeasure.maxZ = theNode->Z();
225 theMeasure.node1 = theNode->GetID();
228 theMeasure.minX = std::min( theMeasure.minX, theNode->X() );
229 theMeasure.maxX = std::max( theMeasure.maxX, theNode->X() );
230 theMeasure.minY = std::min( theMeasure.minY, theNode->Y() );
231 theMeasure.maxY = std::max( theMeasure.maxY, theNode->Y() );
232 theMeasure.minZ = std::min( theMeasure.minZ, theNode->Z() );
233 theMeasure.maxZ = std::max( theMeasure.maxZ, theNode->Z() );
237 //=======================================================================
238 // name : enlargeBoundingBox
240 //=======================================================================
241 static void enlargeBoundingBox(const SMESH::SMESH_IDSource_ptr theObject,
242 SMESH::Measure& theMeasure)
244 if ( CORBA::is_nil( theObject ) )
246 const SMESHDS_Mesh* aMesh = getMesh( theObject );
249 SMESH::array_of_ElementType_var types = theObject->GetTypes();
250 SMESH::long_array_var aElementsId = theObject->GetIDs();
251 // here we assume that type of all IDs defined by first type in array
252 const bool isNode = isNodeType( types );
253 for(int i = 0, n = aElementsId->length(); i < n; i++)
256 enlargeBoundingBox( aMesh->FindNode( aElementsId[i] ), theMeasure);
259 const SMDS_MeshElement* elem = aMesh->FindElement( aElementsId[i] );
262 SMDS_ElemIteratorPtr aNodeIter = elem->nodesIterator();
263 while( aNodeIter->more() )
264 enlargeBoundingBox( dynamic_cast<const SMDS_MeshNode*>( aNodeIter->next() ), theMeasure);
269 //=======================================================================
270 // name : BoundingBox
271 // Purpose : compute common bounding box of entities
272 //=======================================================================
273 SMESH::Measure Measurements_i::BoundingBox (const SMESH::ListOfIDSources& theSources)
275 SMESH::Measure aMeasure;
276 initMeasure(aMeasure);
278 // calculate bounding box on sources
279 for ( int i = 0, n = theSources.length(); i < n ; ++i )
280 enlargeBoundingBox( theSources[i], aMeasure );
285 //=======================================================================
287 // Purpose : sum of length of 1D elements of the source
288 //=======================================================================
289 double Measurements_i::Length(SMESH::SMESH_IDSource_ptr theSource)
291 return getNumericalValue( theSource, SMESH::Controls::NumericalFunctorPtr(new SMESH::Controls::Length()) );
294 //=======================================================================
296 // Purpose : sum of area of 2D elements of the source
297 //=======================================================================
298 double Measurements_i::Area(SMESH::SMESH_IDSource_ptr theSource)
300 return getNumericalValue( theSource, SMESH::Controls::NumericalFunctorPtr(new SMESH::Controls::Area()) );
303 //=======================================================================
305 // Purpose : sum of volume of 3D elements of the source
306 //=======================================================================
307 double Measurements_i::Volume(SMESH::SMESH_IDSource_ptr theSource)
309 return getNumericalValue( theSource, SMESH::Controls::NumericalFunctorPtr(new SMESH::Controls::Volume()) );