-package org.simantics.g3d.vtk.handlers;\r
-\r
-import java.util.HashMap;\r
-import java.util.Map;\r
-\r
-import javax.vecmath.Vector3d;\r
-\r
-import org.eclipse.core.commands.AbstractHandler;\r
-import org.eclipse.core.commands.Command;\r
-import org.eclipse.core.commands.ExecutionEvent;\r
-import org.eclipse.core.commands.ExecutionException;\r
-import org.eclipse.ui.IWorkbenchPart;\r
-import org.eclipse.ui.handlers.HandlerUtil;\r
-import org.simantics.g3d.vtk.common.InteractiveVtkPanel;\r
-import org.simantics.utils.threads.AWTThread;\r
-import org.simantics.utils.threads.ThreadUtils;\r
-\r
-public class ParallelPerspectiveHandler extends AbstractHandler {\r
-\r
- \r
- private Map<InteractiveVtkPanel,Vector3d> cameraPos = new HashMap<InteractiveVtkPanel, Vector3d>();\r
- \r
- @Override\r
- public Object execute(ExecutionEvent event) throws ExecutionException {\r
- Command command = event.getCommand();\r
- boolean oldValue = HandlerUtil.toggleCommandState(command);\r
- final boolean activate = !oldValue;\r
- \r
- final IWorkbenchPart ap = HandlerUtil.getActiveEditor(event);\r
- final InteractiveVtkPanel panel = (InteractiveVtkPanel)ap.getAdapter(InteractiveVtkPanel.class);\r
- \r
- ThreadUtils.asyncExec(AWTThread.getThreadAccess(), new Runnable() {\r
- \r
- @Override\r
- public void run() {\r
- if (activate){\r
- Vector3d focal = new Vector3d(panel.GetRenderer().GetActiveCamera().GetFocalPoint());\r
- Vector3d pos = new Vector3d(panel.GetRenderer().GetActiveCamera().GetPosition());\r
- cameraPos.put(panel, pos);\r
- Vector3d dir = new Vector3d(pos);\r
- dir.sub(focal);\r
- dir.normalize();\r
- dir.scale(100);\r
- dir.add(focal);\r
- panel.GetRenderer().GetActiveCamera().SetPosition(dir.x, dir.y, dir.z);\r
- \r
- \r
- panel.GetRenderer().GetActiveCamera().SetParallelProjection(1);\r
- panel.GetRenderer().ResetCameraClippingRange();\r
- } else {\r
- panel.GetRenderer().GetActiveCamera().SetParallelProjection(0);\r
- Vector3d pos = cameraPos.get(panel);\r
- if (pos != null) {\r
- panel.GetRenderer().GetActiveCamera().SetPosition(pos.x, pos.y, pos.z);\r
- }\r
- panel.GetRenderer().ResetCameraClippingRange();\r
- \r
- }\r
- panel.UpdateLight();\r
- panel.repaint();\r
-\r
- }\r
- });\r
- \r
- return null;\r
- \r
- }\r
- \r
- \r
- \r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2012, 2013 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.g3d.vtk.handlers;
+
+import javax.vecmath.Vector3d;
+
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.Command;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.handlers.HandlerUtil;
+import org.simantics.g3d.math.MathTools;
+import org.simantics.g3d.vtk.common.VtkView;
+import org.simantics.utils.threads.AWTThread;
+import org.simantics.utils.threads.ThreadUtils;
+
+import vtk.vtkCamera;
+import vtk.vtkRenderer;
+
+public class ParallelPerspectiveHandler extends AbstractHandler {
+
+
+ @Override
+ public Object execute(ExecutionEvent event) throws ExecutionException {
+ Command command = event.getCommand();
+ boolean oldValue = HandlerUtil.toggleCommandState(command);
+ final boolean activate = !oldValue;
+
+ final IWorkbenchPart ap = HandlerUtil.getActiveEditor(event);
+ final VtkView panel = (VtkView)ap.getAdapter(VtkView.class);
+
+ ThreadUtils.asyncExec(AWTThread.getThreadAccess(), new Runnable() {
+
+ @Override
+ public void run() {
+ vtkRenderer ren = panel.getRenderer();
+ vtkCamera cam = ren.GetActiveCamera();
+ if (activate){
+
+ Vector3d focal = new Vector3d(panel.getRenderer().GetActiveCamera().GetFocalPoint());
+ Vector3d pos = new Vector3d(panel.getRenderer().GetActiveCamera().GetPosition());
+ double dist = MathTools.distance(pos, focal);
+ cam.SetParallelScale(dist/4.0);
+ // camera must be moved backwards, or graphics get clipped when parallel view is zoomed out
+ // TODO : is there a better way to do this?
+ Vector3d dir = new Vector3d(pos);
+ dir.sub(focal);
+ dir.normalize();
+ dir.scale(100);
+ dir.add(focal);
+ cam.SetPosition(dir.x, dir.y, dir.z);
+
+ cam.SetParallelProjection(1);
+ ren.ResetCameraClippingRange();
+ } else {
+
+ double scale = cam.GetParallelScale();
+ cam.SetParallelProjection(0);
+
+ Vector3d focal = new Vector3d(panel.getRenderer().GetActiveCamera().GetFocalPoint());
+ Vector3d pos = new Vector3d(panel.getRenderer().GetActiveCamera().GetPosition());
+ Vector3d dir = new Vector3d(pos);
+ dir.sub(focal);
+ dir.normalize();
+ dir.scale(scale*4.0);
+ dir.add(focal);
+ cam.SetPosition(dir.x, dir.y, dir.z);
+ ren.ResetCameraClippingRange();
+
+ }
+ panel.refresh();
+
+ }
+ });
+
+ return null;
+
+ }
+
+
+
+}
Code Review / simantics / 3d.git / blobdiff