2013-07-04 17:54:00 +08:00
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#include "precomp.hpp"
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2013-07-09 16:21:57 +08:00
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///////////////////////////////////////////////////////////////////////////////////////////////
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/// widget implementation
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2013-07-13 22:01:56 +08:00
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class cv::viz::Widget::Impl
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2013-07-04 17:54:00 +08:00
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{
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public:
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2013-07-09 23:35:26 +08:00
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vtkSmartPointer<vtkProp> prop;
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int ref_counter;
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Impl() : prop(0) {}
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2013-07-09 16:21:57 +08:00
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};
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2013-07-04 17:54:00 +08:00
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2013-07-13 22:01:56 +08:00
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cv::viz::Widget::Widget() : impl_(0)
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2013-07-09 16:21:57 +08:00
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{
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create();
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2013-07-09 16:21:57 +08:00
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}
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2013-07-04 17:54:00 +08:00
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2013-07-13 22:01:56 +08:00
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cv::viz::Widget::Widget(const Widget &other) : impl_(other.impl_)
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{
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if (impl_) CV_XADD(&impl_->ref_counter, 1);
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2013-07-09 16:21:57 +08:00
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}
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2013-07-04 17:54:00 +08:00
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2013-07-13 22:01:56 +08:00
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cv::viz::Widget& cv::viz::Widget::operator=(const Widget &other)
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{
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if (this != &other)
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{
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release();
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2013-07-09 16:21:57 +08:00
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impl_ = other.impl_;
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2013-07-09 17:07:21 +08:00
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if (impl_) CV_XADD(&impl_->ref_counter, 1);
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2013-07-04 17:54:00 +08:00
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}
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2013-07-09 16:21:57 +08:00
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return *this;
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}
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2013-07-04 17:54:00 +08:00
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2013-07-13 22:01:56 +08:00
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cv::viz::Widget::~Widget()
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{
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release();
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}
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2013-07-13 22:01:56 +08:00
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void cv::viz::Widget::create()
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{
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if (impl_) release();
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impl_ = new Impl();
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impl_->ref_counter = 1;
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}
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2013-07-13 22:01:56 +08:00
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void cv::viz::Widget::release()
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{
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if (impl_ && CV_XADD(&impl_->ref_counter, -1) == 1)
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2013-07-04 17:54:00 +08:00
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{
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delete impl_;
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impl_ = 0;
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2013-07-04 17:54:00 +08:00
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}
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2013-07-09 16:21:57 +08:00
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}
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2013-07-04 17:54:00 +08:00
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2013-08-23 01:42:19 +08:00
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cv::viz::Widget cv::viz::Widget::fromPlyFile(const String &file_name)
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{
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vtkSmartPointer<vtkPLYReader> reader = vtkSmartPointer<vtkPLYReader>::New ();
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reader->SetFileName (file_name.c_str ());
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vtkSmartPointer<vtkDataSet> data = reader->GetOutput();
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CV_Assert(data);
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vtkSmartPointer<vtkLODActor> actor = vtkSmartPointer<vtkLODActor>::New();
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vtkSmartPointer<vtkDataSetMapper> mapper = vtkSmartPointer<vtkDataSetMapper>::New ();
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mapper->SetInput (data);
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vtkSmartPointer<vtkDataArray> scalars = data->GetPointData ()->GetScalars ();
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if (scalars)
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{
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cv::Vec3d minmax(scalars->GetRange());
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mapper->SetScalarRange(minmax.val);
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mapper->SetScalarModeToUsePointData ();
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// interpolation OFF, if data is a vtkPolyData that contains only vertices, ON for anything else.
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vtkPolyData* polyData = vtkPolyData::SafeDownCast (data);
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bool interpolation = (polyData && polyData->GetNumberOfCells () != polyData->GetNumberOfVerts ());
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mapper->SetInterpolateScalarsBeforeMapping (interpolation);
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mapper->ScalarVisibilityOn ();
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}
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mapper->ImmediateModeRenderingOff ();
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actor->SetNumberOfCloudPoints (int (std::max<vtkIdType> (1, data->GetNumberOfPoints () / 10)));
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actor->GetProperty ()->SetInterpolationToFlat ();
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actor->GetProperty ()->BackfaceCullingOn ();
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actor->SetMapper (mapper);
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Widget widget;
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widget.impl_->prop = actor;
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return widget;
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}
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2013-07-04 17:54:00 +08:00
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///////////////////////////////////////////////////////////////////////////////////////////////
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2013-07-09 17:07:21 +08:00
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/// widget accessor implementaion
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2013-07-04 17:54:00 +08:00
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vtkSmartPointer<vtkProp> cv::viz::WidgetAccessor::getProp(const Widget& widget)
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{
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return widget.impl_->prop;
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2013-07-04 17:54:00 +08:00
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}
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2013-07-13 22:01:56 +08:00
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void cv::viz::WidgetAccessor::setProp(Widget& widget, vtkSmartPointer<vtkProp> prop)
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{
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widget.impl_->prop = prop;
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2013-07-09 16:21:57 +08:00
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}
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2013-07-04 17:54:00 +08:00
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///////////////////////////////////////////////////////////////////////////////////////////////
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/// widget3D implementation
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struct cv::viz::Widget3D::MatrixConverter
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{
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static Matx44f convertToMatx(const vtkSmartPointer<vtkMatrix4x4>& vtk_matrix)
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{
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Matx44f m;
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for (int i = 0; i < 4; i++)
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for (int k = 0; k < 4; k++)
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m(i, k) = vtk_matrix->GetElement (i, k);
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return m;
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}
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static vtkSmartPointer<vtkMatrix4x4> convertToVtkMatrix (const Matx44f& m)
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{
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vtkSmartPointer<vtkMatrix4x4> vtk_matrix = vtkSmartPointer<vtkMatrix4x4>::New ();
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for (int i = 0; i < 4; i++)
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for (int k = 0; k < 4; k++)
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vtk_matrix->SetElement(i, k, m(i, k));
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return vtk_matrix;
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}
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};
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void cv::viz::Widget3D::setPose(const Affine3f &pose)
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{
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vtkProp3D *actor = vtkProp3D::SafeDownCast(WidgetAccessor::getProp(*this));
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CV_Assert(actor);
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vtkSmartPointer<vtkMatrix4x4> matrix = convertToVtkMatrix(pose.matrix);
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actor->SetUserMatrix (matrix);
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actor->Modified ();
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}
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void cv::viz::Widget3D::updatePose(const Affine3f &pose)
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{
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vtkProp3D *actor = vtkProp3D::SafeDownCast(WidgetAccessor::getProp(*this));
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CV_Assert(actor);
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vtkSmartPointer<vtkMatrix4x4> matrix = actor->GetUserMatrix();
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if (!matrix)
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{
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setPose(pose);
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return ;
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}
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Matx44f matrix_cv = MatrixConverter::convertToMatx(matrix);
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Affine3f updated_pose = pose * Affine3f(matrix_cv);
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matrix = MatrixConverter::convertToVtkMatrix(updated_pose.matrix);
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actor->SetUserMatrix (matrix);
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actor->Modified ();
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2013-07-04 17:54:00 +08:00
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}
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2013-07-13 22:01:56 +08:00
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cv::Affine3f cv::viz::Widget3D::getPose() const
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{
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vtkProp3D *actor = vtkProp3D::SafeDownCast(WidgetAccessor::getProp(*this));
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CV_Assert(actor);
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vtkSmartPointer<vtkMatrix4x4> matrix = actor->GetUserMatrix();
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Matx44f matrix_cv = MatrixConverter::convertToMatx(matrix);
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return Affine3f(matrix_cv);
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}
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2013-07-13 22:01:56 +08:00
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void cv::viz::Widget3D::setColor(const Color &color)
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{
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// Cast to actor instead of prop3d since prop3d doesn't provide getproperty
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vtkActor *actor = vtkActor::SafeDownCast(WidgetAccessor::getProp(*this));
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CV_Assert(actor);
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Color c = vtkcolor(color);
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actor->GetMapper ()->ScalarVisibilityOff ();
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actor->GetProperty ()->SetColor (c.val);
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actor->GetProperty ()->SetEdgeColor (c.val);
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actor->Modified ();
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}
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2013-07-09 20:12:49 +08:00
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2013-07-13 22:01:56 +08:00
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template<> cv::viz::Widget3D cv::viz::Widget::cast<cv::viz::Widget3D>()
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{
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vtkProp3D *actor = vtkProp3D::SafeDownCast(WidgetAccessor::getProp(*this));
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CV_Assert(actor);
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Widget3D widget;
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WidgetAccessor::setProp(widget, actor);
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return widget;
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}
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2013-07-09 20:12:49 +08:00
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///////////////////////////////////////////////////////////////////////////////////////////////
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/// widget2D implementation
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2013-07-13 22:01:56 +08:00
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void cv::viz::Widget2D::setColor(const Color &color)
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2013-07-09 20:28:55 +08:00
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{
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vtkActor2D *actor = vtkActor2D::SafeDownCast(WidgetAccessor::getProp(*this));
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CV_Assert(actor);
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Color c = vtkcolor(color);
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actor->GetProperty ()->SetColor (c.val);
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actor->Modified ();
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}
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2013-07-10 15:55:42 +08:00
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2013-07-13 22:01:56 +08:00
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template<> cv::viz::Widget2D cv::viz::Widget::cast<cv::viz::Widget2D>()
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{
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vtkActor2D *actor = vtkActor2D::SafeDownCast(WidgetAccessor::getProp(*this));
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CV_Assert(actor);
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Widget2D widget;
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WidgetAccessor::setProp(widget, actor);
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return widget;
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}
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