1 // Copyright (C) 2007-2013 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.
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
23 // SMESH SMESHGUI : GUI for SMESH component
24 // File : SMESHGUI_MeshEditPreview.cxx
25 // Author : Open CASCADE S.A.S.
28 #include "SMESHGUI_MeshEditPreview.h"
30 #include "SMESHGUI_VTKUtils.h"
32 #include <SMESH_Actor.h>
33 #include <SMESH_ActorUtils.h>
35 // SALOME GUI includes
36 #include <VTKViewer_CellLocationsArray.h>
37 #include <SVTK_ViewWindow.h>
40 #include <vtkPoints.h>
41 #include <vtkIdList.h>
42 #include <vtkCellArray.h>
43 #include <vtkUnsignedCharArray.h>
44 #include <vtkUnstructuredGrid.h>
45 #include <vtkUnstructuredGridWriter.h>
46 #include <vtkDataSetMapper.h>
47 #include <vtkProperty.h>
53 #include <SALOMEconfig.h>
54 #include CORBA_SERVER_HEADER(SMESH_MeshEditor)
56 //================================================================================
60 //================================================================================
62 SMESHGUI_MeshEditPreview::SMESHGUI_MeshEditPreview(SVTK_ViewWindow* theViewWindow):
63 myViewWindow(theViewWindow)
65 myGrid = vtkUnstructuredGrid::New();
67 // Create and display actor
68 vtkDataSetMapper* aMapper = vtkDataSetMapper::New();
69 aMapper->SetInput( myGrid );
71 myPreviewActor = SALOME_Actor::New();
72 myPreviewActor->SetInfinitive(true);
73 myPreviewActor->VisibilityOn();
74 myPreviewActor->PickableOff();
76 vtkFloatingPointType aFactor,aUnits;
77 myPreviewActor->SetResolveCoincidentTopology(true);
78 myPreviewActor->GetPolygonOffsetParameters(aFactor,aUnits);
79 myPreviewActor->SetPolygonOffsetParameters(aFactor,0.2*aUnits);
81 vtkFloatingPointType anRGB[3];
82 SMESH::GetColor( "SMESH", "selection_element_color", anRGB[0], anRGB[1], anRGB[2], QColor( 0, 170, 255 ) );
83 SetColor( anRGB[0], anRGB[1], anRGB[2] );
85 myPreviewActor->SetMapper( aMapper );
88 myViewWindow->AddActor(myPreviewActor);
92 //================================================================================
96 //================================================================================
98 SMESHGUI_MeshEditPreview::~SMESHGUI_MeshEditPreview()
102 myViewWindow->RemoveActor(myPreviewActor);
103 myPreviewActor->Delete();
107 //================================================================================
109 * \brief Returns vtk cell type
111 //================================================================================
113 vtkIdType getCellType( const SMDSAbs_ElementType theType,
115 const int theNbNodes )
119 case SMDSAbs_Node: return VTK_VERTEX;
121 if( theNbNodes == 2 ) return VTK_LINE;
122 else if ( theNbNodes == 3 ) return VTK_QUADRATIC_EDGE;
123 else return VTK_EMPTY_CELL;
126 if (thePoly && theNbNodes>2 ) return VTK_POLYGON;
127 else if ( theNbNodes == 3 ) return VTK_TRIANGLE;
128 else if ( theNbNodes == 4 ) return VTK_QUAD;
129 else if ( theNbNodes == 6 ) return VTK_QUADRATIC_TRIANGLE;
130 else if ( theNbNodes == 8 ) return VTK_QUADRATIC_QUAD;
131 else if ( theNbNodes == 9 ) return VTK_BIQUADRATIC_QUAD;
132 else return VTK_EMPTY_CELL;
135 if (thePoly && theNbNodes>3 ) return VTK_CONVEX_POINT_SET;
136 else if ( theNbNodes == 4 ) return VTK_TETRA;
137 else if ( theNbNodes == 5 ) return VTK_PYRAMID;
138 else if ( theNbNodes == 6 ) return VTK_WEDGE;
139 else if ( theNbNodes == 8 ) return VTK_HEXAHEDRON;
140 else if ( theNbNodes == 10 ) return VTK_QUADRATIC_TETRA;
141 else if ( theNbNodes == 20 ) return VTK_QUADRATIC_HEXAHEDRON;
142 else if ( theNbNodes == 27 ) return VTK_TRIQUADRATIC_HEXAHEDRON;
143 else if ( theNbNodes == 15 ) return VTK_QUADRATIC_WEDGE;
144 else if ( theNbNodes == 13 ) return VTK_QUADRATIC_PYRAMID;//VTK_CONVEX_POINT_SET;
145 else return VTK_EMPTY_CELL;
147 default: return VTK_EMPTY_CELL;
151 //================================================================================
153 * \brief Set preview data
155 //================================================================================
157 void SMESHGUI_MeshEditPreview::SetData (const SMESH::MeshPreviewStruct* previewData)
160 const SMESH::nodes_array& aNodesXYZ = previewData->nodesXYZ;
161 vtkPoints* aPoints = vtkPoints::New();
162 aPoints->SetNumberOfPoints(aNodesXYZ.length());
164 for ( int i = 0; i < aNodesXYZ.length(); i++ ) {
165 aPoints->SetPoint( i, aNodesXYZ[i].x, aNodesXYZ[i].y, aNodesXYZ[i].z );
167 myGrid->SetPoints(aPoints);
172 const SMESH::long_array& anElemConnectivity = previewData->elementConnectivities;
173 const SMESH::types_array& anElemTypes = previewData->elementTypes;
175 vtkIdType aCellsSize = anElemConnectivity.length() + anElemTypes.length();
176 vtkIdType aNbCells = anElemTypes.length();
178 vtkCellArray* aConnectivity = vtkCellArray::New();
179 aConnectivity->Allocate( aCellsSize, 0 );
181 vtkUnsignedCharArray* aCellTypesArray = vtkUnsignedCharArray::New();
182 aCellTypesArray->SetNumberOfComponents( 1 );
183 aCellTypesArray->Allocate( aNbCells * aCellTypesArray->GetNumberOfComponents() );
185 vtkIdList *anIdList = vtkIdList::New();
188 for ( int i = 0; i < anElemTypes.length(); i++ ) {
189 const SMESH::ElementSubType& anElementSubType = anElemTypes[i];
190 SMDSAbs_ElementType aType = SMDSAbs_ElementType(anElementSubType.SMDS_ElementType);
191 vtkIdType aNbNodes = anElementSubType.nbNodesInElement;
192 anIdList->SetNumberOfIds( aNbNodes );
194 for ( vtkIdType aNodeId = 0; aNodeId < aNbNodes; aNodeId++ ){
195 anIdList->SetId( aNodeId, anElemConnectivity[aNodePos] );
199 aConnectivity->InsertNextCell( anIdList );
200 aCellTypesArray->InsertNextValue( getCellType( aType,
201 anElemTypes[i].isPoly,
206 // Insert cells in grid
207 VTKViewer_CellLocationsArray* aCellLocationsArray = VTKViewer_CellLocationsArray::New();
208 aCellLocationsArray->SetNumberOfComponents( 1 );
209 aCellLocationsArray->SetNumberOfTuples( aNbCells );
211 aConnectivity->InitTraversal();
212 for( vtkIdType idType = 0, *pts, npts; aConnectivity->GetNextCell( npts, pts ); idType++ )
213 aCellLocationsArray->SetValue( idType, aConnectivity->GetTraversalLocation( npts ) );
215 myGrid->SetCells( aCellTypesArray, aCellLocationsArray, aConnectivity );
217 myPreviewActor->GetMapper()->Update();
219 aCellTypesArray->Delete();
220 aCellLocationsArray->Delete();
221 aConnectivity->Delete();
226 //================================================================================
228 * \brief Set visibility
230 //================================================================================
232 void SMESHGUI_MeshEditPreview::SetVisibility (bool theVisibility)
234 myPreviewActor->SetVisibility(theVisibility);
235 SMESH::RepaintCurrentView();
238 //================================================================================
240 * \brief Set preview color
242 //================================================================================
244 void SMESHGUI_MeshEditPreview::SetColor(double R, double G, double B)
246 myPreviewActor->SetColor( R, G, B );
249 //================================================================================
251 * \brief Get preview actor
253 //================================================================================
254 SALOME_Actor* SMESHGUI_MeshEditPreview::GetActor() const
256 return myPreviewActor;