#ifndef USE_VTK
#include <iostream>
int main()
{
std::cout << "This sample requires direct compilation with VTK. Stop" << std::endl;
return 0;
}
#else
#include <iostream>
#include <vtkPoints.h>
#include <vtkTriangle.h>
#include <vtkCellArray.h>
#include <vtkPolyData.h>
#include <vtkPolyDataMapper.h>
#include <vtkIdList.h>
#include <vtkActor.h>
#include <vtkProp.h>
using namespace std;
static void help()
{
cout
<< "--------------------------------------------------------------------------" << endl
<< "This program shows how to create a custom widget. You can create your own "
<< "widgets by extending Widget2D/Widget3D, and with the help of WidgetAccessor." << endl
<< "Usage:" << endl
<< "./creating_widgets" << endl
<< endl;
}
class WTriangle : public viz::Widget3D
{
public:
};
WTriangle::WTriangle(
const Point3f &pt1,
const Point3f &pt2,
const Point3f &pt3,
const viz::Color & color)
{
vtkSmartPointer<vtkPoints> points = vtkSmartPointer<vtkPoints>::New();
points->InsertNextPoint(pt1.x, pt1.y, pt1.z);
points->InsertNextPoint(pt2.x, pt2.y, pt2.z);
points->InsertNextPoint(pt3.x, pt3.y, pt3.z);
vtkSmartPointer<vtkTriangle>
triangle = vtkSmartPointer<vtkTriangle>::New();
vtkSmartPointer<vtkCellArray> cells = vtkSmartPointer<vtkCellArray>::New();
vtkSmartPointer<vtkPolyData> polyData = vtkSmartPointer<vtkPolyData>::New();
polyData->SetPoints(points);
polyData->SetPolys(cells);
vtkSmartPointer<vtkPolyDataMapper> mapper = vtkSmartPointer<vtkPolyDataMapper>::New();
#if VTK_MAJOR_VERSION <= 5
mapper->SetInput(polyData);
#else
mapper->SetInputData(polyData);
#endif
vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New();
actor->SetMapper(mapper);
setColor(color);
}
int main()
{
help();
viz::Viz3d myWindow("Creating Widgets");
myWindow.showWidget("TRIANGLE", tw);
myWindow.spin();
return 0;
}
#endif
Point3_< float > Point3f
Definition: types.hpp:279
@ triangle
Definition: gr_skig.hpp:63
"black box" representation of the file storage associated with a file on disk.
Definition: affine.hpp:52
Here is the result of the program.