Changeset 2693 for GTP/trunk/Lib/Vis/Preprocessing/src

Timestamp:

05/21/08 02:53:16 (17 years ago)

Author:

mattausch

Message:

started on dynamic object interaction

Location:

GTP/trunk/Lib/Vis/Preprocessing/src/QtInterface

Files:

• ObjectPlacer.cpp (added)
• ObjectPlacer.h (added)
• QtGlRenderer.cpp (modified) (1 diff)
• QtGlRenderer.h (modified) (1 diff)
• QtInterface05.vcproj (modified) (2 diffs)

GTP/trunk/Lib/Vis/Preprocessing/src/QtInterface/QtGlRenderer.cpp

@@ -2519 +2519 @@
 }
 
-}
+
+
+Vector3 QtGlRendererWidget::Unproject(int x, int y)
+{
+        // swap y coordinate
+        //y = GetHeight() - y;
+
+        // HACK: should come from camera!
+        double projection[16]; 
+        glGetDoublev(GL_PROJECTION_MATRIX, projection); 
+        double modelview[16];
+        glGetDoublev(GL_MODELVIEW_MATRIX, modelview); 
+
+        const int viewport[4] = {0,0, GetWidth(), GetHeight()};
+
+        float z;
+        glReadPixels(x, y, 1, 1, GL_DEPTH_COMPONENT, GL_FLOAT, &z);
+
+        RenderScene();
+
+        GLdouble rx, ry, rz;
+        gluUnProject(x, y, z, modelview, projection, viewport, &rx, &ry, &rz);
+
+        return Vector3(rx, ry, rz);
+}
+
+
+}

GTP/trunk/Lib/Vis/Preprocessing/src/QtInterface/QtGlRenderer.h

@@ -313 +313 @@
         void WriteViewCellInfos();
 
+        /** Unproject x/y screen coordinates.
+        */
+        Vector3 Unproject(int x, int y);
         
 

GTP/trunk/Lib/Vis/Preprocessing/src/QtInterface/QtInterface05.vcproj

@@ -225 +225 @@
                         </File>
                         <File
+                                RelativePath=".\ObjectPlacer.h"
+                                >
+                        </File>
+                        <File
                                 RelativePath="QtGlRenderer.cpp"
                                 >
@@ -248 +252 @@
                         <File
                                 RelativePath="LogWriter.h"
+                                >
+                        </File>
+                        <File
+                                RelativePath=".\ObjectPlacer.cpp"
                                 >
                         </File>