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Merge pull request #1489 from maxGimeno/Polyhedron_demo-Export_c3t3_as_vtu-GF 

Polyhedron_demo : Save C3T3 items as vtu files
This commit is contained in:
Laurent Rineau 2016-10-17 10:01:52 +02:00
parent 0b49666c09 9f96f2a1ca
commit a9b2d377db
2 changed files with 25 additions and 10 deletions
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6
Polyhedron/demo/Polyhedron/Plugins/IO/CMakeLists.txt
View File

@ -39,9 +39,9 @@ if (VTK_FOUND)
if ("${VTK_VERSION_MAJOR}" GREATER "5")
if(VTK_LIBRARIES)
polyhedron_demo_plugin(vtk_plugin VTK_io_plugin)
target_link_libraries(vtk_plugin scene_polyhedron_item scene_polylines_item
vtkCommonCore vtkIOCore vtkIOLegacy vtkIOXML
vtkFiltersCore vtkFiltersSources)
target_link_libraries(vtk_plugin scene_polyhedron_item scene_polylines_item scene_c3t3_item
vtkCommonCore vtkIOCore vtkIOLegacy vtkIOXML
vtkFiltersCore vtkFiltersSources)
else()
message(STATUS "NOTICE : the vtk IO plugin needs VTK libraries and will not be compiled.")
endif()

29
Polyhedron/demo/Polyhedron/Plugins/IO/VTK_io_plugin.cpp
View File

@ -18,6 +18,8 @@
// Jane Tournois
//
#include <CGAL/Mesh_3/io_signature.h>
#include "Scene_c3t3_item.h"
#include <QtCore/qglobal.h>
#include "Polyhedron_type.h"
@ -42,6 +44,7 @@
#include <CGAL/boost/graph/Euler_operations.h>
#include <CGAL/boost/graph/graph_traits_Polyhedron_3.h>
#include <CGAL/property_map.h>
#include <CGAL/IO/Complex_3_in_triangulation_3_to_vtk.h>
#include <vtkSmartPointer.h>
#include <vtkDataSetReader.h>
@ -66,7 +69,7 @@
#include <vtkCellArray.h>
#include <vtkType.h>
#include <vtkCommand.h>
#include <vtkXMLUnstructuredGridWriter.h>
namespace CGAL{
class ErrorObserverVtk : public vtkCommand
@ -271,17 +274,18 @@ public:
typedef boost::graph_traits<Polyhedron>::face_descriptor face_descriptor;
QString nameFilters() const {
return "VTK PolyData files (*.vtk);; VTK XML PolyData (*.vtp)"; }
return "VTK PolyData files (*.vtk);; VTK XML PolyData (*.vtp);; VTK XML UnstructuredGrid (*.vtu)"; }
QString name() const { return "vtk_plugin"; }
bool canSave(const CGAL::Three::Scene_item* item)
{
return qobject_cast<const Scene_polyhedron_item*>(item);
return (qobject_cast<const Scene_polyhedron_item*>(item)
|| qobject_cast<const Scene_c3t3_item*>(item));
}
bool save(const CGAL::Three::Scene_item* item, QFileInfo fileinfo)
{
std::string extension = fileinfo.suffix().toLower().toStdString();
if ( extension != "vtk" && extension != "vtp")
if ( extension != "vtk" && extension != "vtp" && extension != "vtu")
return false;
std::string output_filename = fileinfo.absoluteFilePath().toStdString();
@ -289,9 +293,7 @@ public:
const Scene_polyhedron_item* poly_item =
qobject_cast<const Scene_polyhedron_item*>(item);
if (!poly_item)
return false;
else
if (poly_item)
{
if (extension != "vtp")
CGAL::polygon_mesh_to_vtkUnstructured<vtkPolyDataWriter>(
@ -302,6 +304,19 @@ public:
*poly_item->polyhedron(),
output_filename.data());
}
else
{
const Scene_c3t3_item* c3t3_item =
qobject_cast<const Scene_c3t3_item*>(item);
if(!c3t3_item || extension != "vtu")
return false;
vtkSmartPointer<vtkXMLUnstructuredGridWriter> writer =
vtkSmartPointer<vtkXMLUnstructuredGridWriter>::New();
writer->SetFileName( output_filename.data());
writer->SetInputData(CGAL::output_c3t3_to_vtk_unstructured_grid(c3t3_item->c3t3()));
writer->Write();
}
return true;
}