RubberBandPick
VTKExamples/Java/Interaction/RubberBandPick
Description¶
vtkInteractorStyleRubberBandPick object allows the user to draw a rectangle in the render window by hitting 'r' and then using the left mouse button. When the mouse button is released, the attached picker operates on the pixel in the center of the selection rectangle.
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See (Cxx)
Question
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Code¶
RubberBandPick.java
import vtk.vtkActor; import vtk.vtkNamedColors; import vtk.vtkNativeLibrary; import vtk.vtkPolyDataMapper; import vtk.vtkRenderWindow; import vtk.vtkRenderWindowInteractor; import vtk.vtkRenderer; import vtk.vtkSphereSource; import vtk.vtkInteractorStyleRubberBandPick; public class RubberBandPick { // ----------------------------------------------------------------- // Load VTK library and print which library was not properly loaded static { if (!vtkNativeLibrary.LoadAllNativeLibraries()) { for (vtkNativeLibrary lib : vtkNativeLibrary.values()) { if (!lib.IsLoaded()) { System.out.println(lib.GetLibraryName() + " not loaded"); } } } vtkNativeLibrary.DisableOutputWindow(null); } // ----------------------------------------------------------------- public static void main(String s[]) { vtkNamedColors colors = new vtkNamedColors(); //Renderer Background Color double Bgcolor[] = new double[4]; colors.GetColor("White", Bgcolor); vtkSphereSource Sphere = new vtkSphereSource(); Sphere.Update(); // Create a mapper vtkPolyDataMapper Mapper = new vtkPolyDataMapper(); Mapper.SetInputConnection(Sphere.GetOutputPort()); // Create an actor vtkActor Actor = new vtkActor(); Actor.SetMapper(Mapper); // Create the renderer, render window and interactor. vtkRenderer ren = new vtkRenderer(); vtkRenderWindow renWin = new vtkRenderWindow(); renWin.AddRenderer(ren); vtkRenderWindowInteractor iren = new vtkRenderWindowInteractor(); iren.SetRenderWindow(renWin); // Add the actors to the scene ren.AddActor(Actor); ren.SetBackground(Bgcolor); renWin.SetSize(300, 300); renWin.Render(); vtkInteractorStyleRubberBandPick style = new vtkInteractorStyleRubberBandPick(); iren.SetInteractorStyle(style); iren.Initialize(); iren.Start(); } }