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plane widget size fix

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This commit is contained in:
ozantonkal 2013-07-22 14:34:44 +02:00
parent 16c8c98895
commit 5af739dfc1
2 changed files with 27 additions and 4 deletions
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2
modules/viz/include/opencv2/viz/widgets.hpp
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@ -71,6 +71,8 @@ namespace cv
public:
PlaneWidget(const Vec4f& coefs, double size = 1.0, const Color &color = Color::white());
PlaneWidget(const Vec4f& coefs, const Point3f& pt, double size = 1.0, const Color &color = Color::white());
private:
struct SetSizeImpl;
};
class CV_EXPORTS SphereWidget : public Widget3D

29
modules/viz/src/shape_widgets.cpp
View File

@ -50,6 +50,26 @@ template<> cv::viz::LineWidget cv::viz::Widget::cast<cv::viz::LineWidget>()
///////////////////////////////////////////////////////////////////////////////////////////////
/// plane widget implementation
struct cv::viz::PlaneWidget::SetSizeImpl
{
template<typename _Tp>
static vtkSmartPointer<vtkPolyData> setSize(const Vec<_Tp, 3> &center, vtkSmartPointer<vtkPolyData> poly_data, double size)
{
vtkSmartPointer<vtkTransform> transform = vtkSmartPointer<vtkTransform>::New();
transform->PreMultiply();
transform->Translate(center[0], center[1], center[2]);
transform->Scale(size, size, size);
transform->Translate(-center[0], -center[1], -center[2]);
vtkSmartPointer<vtkTransformPolyDataFilter> transform_filter = vtkSmartPointer<vtkTransformPolyDataFilter>::New();
transform_filter->SetInput(poly_data);
transform_filter->SetTransform(transform);
transform_filter->Update();
return transform_filter->GetOutput();
}
};
cv::viz::PlaneWidget::PlaneWidget(const Vec4f& coefs, double size, const Color &color)
{
vtkSmartPointer<vtkPlaneSource> plane = vtkSmartPointer<vtkPlaneSource>::New ();
@ -57,12 +77,14 @@ cv::viz::PlaneWidget::PlaneWidget(const Vec4f& coefs, double size, const Color &
double norm = cv::norm(Vec3f(coefs.val));
plane->Push (-coefs[3] / norm);
Vec3d p_center;
plane->GetOrigin(p_center.val);
vtkSmartPointer<vtkDataSetMapper> mapper = vtkSmartPointer<vtkDataSetMapper>::New ();
mapper->SetInput(plane->GetOutput ());
mapper->SetInput(SetSizeImpl::setSize(p_center, plane->GetOutput(), size));
vtkSmartPointer<vtkLODActor> actor = vtkSmartPointer<vtkLODActor>::New();
actor->SetMapper(mapper);
actor->SetScale(size);
WidgetAccessor::setProp(*this, actor);
setColor(color);
@ -80,11 +102,10 @@ cv::viz::PlaneWidget::PlaneWidget(const Vec4f& coefs, const Point3f& pt, double
plane->SetCenter (p_center[0], p_center[1], p_center[2]);
vtkSmartPointer<vtkDataSetMapper> mapper = vtkSmartPointer<vtkDataSetMapper>::New ();
mapper->SetInput(plane->GetOutput ());
mapper->SetInput(SetSizeImpl::setSize(p_center, plane->GetOutput(), size));
vtkSmartPointer<vtkLODActor> actor = vtkSmartPointer<vtkLODActor>::New();
actor->SetMapper(mapper);
actor->SetScale(size);
WidgetAccessor::setProp(*this, actor);
setColor(color);