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/*****************************************************************************
* $CAMITK_LICENCE_BEGIN$
*
* CamiTK - Computer Assisted Medical Intervention ToolKit
* (c) 2001-2025 Univ. Grenoble Alpes, CNRS, Grenoble INP - UGA, TIMC, 38000 Grenoble, France
*
* Visit http://camitk.imag.fr for more information
*
* This file is part of CamiTK.
*
* CamiTK is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* CamiTK is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with CamiTK. If not, see <http://www.gnu.org/licenses/>.
*
* $CAMITK_LICENCE_END$
****************************************************************************/
#include "VRMLComponent.h"
#include <QFileInfo>
//-- vtk
// disable warning generated by clang about the surrounded headers
#include <CamiTKDisableWarnings>
#include <vtkVRMLImporter.h>
#include <vtkMapper.h>
#include <vtkRenderer.h>
#include <CamiTKReEnableWarnings>
#include <vtkActorCollection.h>
using namespace camitk;
// -------------------- default constructor --------------------
VRMLComponent::VRMLComponent(const QString& file) : Component(file, QFileInfo(file).baseName()) {
// create a VTK importer to read the VRML file
vtkSmartPointer<vtkVRMLImporter> importer = vtkSmartPointer<vtkVRMLImporter>::New();
importer->SetFileName(file.toStdString().c_str());
importer->Update();
// get all private actors point set and create the corresponding MeshComponent with it
vtkSmartPointer<vtkActorCollection> actors = importer->GetRenderer()->GetActors();
actors->InitTraversal();
for (unsigned int i = 0; i < (unsigned int)actors->GetNumberOfItems(); i++) {
vtkSmartPointer<vtkActor> actor = vtkActor::SafeDownCast(actors->GetItemAsObject(i));
if (actor) {
vtkSmartPointer<vtkPointSet> ps = vtkPointSet::SafeDownCast(actor->GetMapper()->GetInput());
importer->Update();
if (ps) {
new MeshComponent(this, ps, QString("VRML object #") + QString::number(actors->GetNumberOfItems() - i - 1));
}
}
}
}
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