org.simantics.g3d.vtk/src/org/simantics/g3d/vtk/swt/FocusAction.java

   1 package org.simantics.g3d.vtk.swt;
   2
   3 import java.util.Collection;
   4
   5 import org.eclipse.jface.action.Action;
   6 import org.simantics.g3d.vtk.Activator;
   7 import org.simantics.g3d.vtk.common.VtkView;
   8 import org.simantics.utils.threads.AWTThread;
   9
  10 import vtk.vtkProp;
  11 import vtk.vtkProp3D;
  12
  13 public class FocusAction extends Action {
  14
  15     VtkView view;
  16     vtkCameraAndSelectorAction cameraAndSelectorAction;
  17         Collection<vtkProp> props;
  18
  19         public FocusAction(VtkView view, vtkCameraAndSelectorAction cameraAndSelectorAction) {
  20                 super("Focus");
  21                 setImageDescriptor(Activator.imageDescriptorFromPlugin("com.famfamfam.silk", "icons/eye.png"));
  22                 this.view = view;
  23                 this.cameraAndSelectorAction = cameraAndSelectorAction;
  24         }
  25
  26         public void setProps(Collection<vtkProp> props) {
  27                 this.props = props;
  28         }
  29
  30         @Override
  31         public void run() {
  32                 view.getThreadQueue().asyncExec(new Runnable() {
  33
  34                         @Override
  35                         public void run() {
  36                                 int count = 0;
  37                                 double loc[] = new double[] {0,0,0};
  38                                 for (vtkProp prop : props) {
  39                                         if (prop instanceof vtkProp3D) {
  40                                                 vtkProp3D prop3d = (vtkProp3D)prop;
  41                                                 double l[] = prop3d.GetCenter();
  42                                                 for (int i = 0; i < 3; i++)
  43                                                         loc[i] = loc[i] + l[i];
  44                                                 count++;
  45                                         }
  46                                 }
  47                                 if (count > 0) {
  48                                         for (int i = 0; i < 3; i++)
  49                                                 loc[i] = loc[i] / count;
  50                                         cameraAndSelectorAction.focus(loc[0],loc[1],loc[2]);
  51                                         view.refresh();
  52                                 }
  53
  54                         }
  55                 });
  56         }
  57 }