Changeset 407 for experimental/distortionNG

Timestamp:

Aug 5, 2012, 11:09:39 PM (12 years ago)

Author:

Torben Dannhauer

Message:

 

Location:

experimental/distortionNG

Files:

• DistortionManipulator.cpp (modified) (3 diffs)
• DistortionSet.cpp (modified) (3 diffs)
• DistortionSet.h (modified) (1 diff)
• main.cpp (modified) (1 diff)

experimental/distortionNG/DistortionManipulator.cpp

@@ -308 +308 @@
                 return;
 
-        OSG_ALWAYS<<"ToDo: resetDistortion()"<<std::endl;
+        
+        _distortionSet->setDistortionMeshDimensions(2, 2, true);        // Reset dimensions and coordinates/texcoords & rebuild mesh data
+        updateDistortionMesh(); // Rebuild OSG Mesh (drawable)
+        // Restore ProjectionMatrix
+        
+        // Set up projection Matrix as it is done in View::setUpViewOnSingleScreen(
+        double fovy, aspectRatio, zNear, zFar;
+        _camera->getProjectionMatrixAsPerspective(fovy, aspectRatio, zNear, zFar);
+
+        double newAspectRatio = double(_distortionSet->intensityMap()->width) / double(_distortionSet->intensityMap()->height);
+        double aspectRatioChange = newAspectRatio / aspectRatio;
+        if (aspectRatioChange != 1.0)
+        {
+                _camera->getProjectionMatrix() *= osg::Matrix::scale(1.0/aspectRatioChange,1.0,1.0);
+        }
+
+
 }
 
@@ -599 +615 @@
                                                                                 0.0     );
                 vertices->push_back( tmpVec );
-                //OSG_ALWAYS<<"Transfering mesh vertex : X:"<<tmpVec.x()<<" Y:"<<tmpVec.y()<<" Z:"<<tmpVec.z()<<std::endl;
+                OSG_ALWAYS<<"Transfering mesh vertex : X:"<<tmpVec.x()<<" Y:"<<tmpVec.y()<<" Z:"<<tmpVec.z()<<std::endl;
 
                 // Note texCoords
@@ -606 +622 @@
 
                 texCoords->push_back(tmpTexCoords);
-                //OSG_ALWAYS<<"Transfering texcoord vertex : X:"<<tmpTexCoords.x()<<" Y:"<<tmpTexCoords.y()<<std::endl;
+                OSG_ALWAYS<<"Transfering texcoord vertex : X:"<<tmpTexCoords.x()<<" Y:"<<tmpTexCoords.y()<<std::endl;
 
                 colors->push_back(osg::Vec4(1.0f,1.0f,1.0f,1.0f));

experimental/distortionNG/DistortionSet.cpp

@@ -27 +27 @@
         _matrixDirty = false;
 
-        _distortionMeshRows = 2;
-        _distortionMeshColumns = 2;
-        _distortionMesh = new osg::Vec4Array();
+        setDistortionMeshDimensions(2, 2);
         
         _intensityMap = NULL;
@@ -52 +50 @@
 }
 
-void DistortionSet::setDistortionMeshDimensions(int rows, int cols)
+void DistortionSet::setDistortionMeshDimensions(int rows, int cols, bool enforceMeshRebuild)
 {
         _distortionMeshRows = rows;
         _distortionMeshColumns = cols;
 
-        if(_distortionMesh->size() != _distortionMeshRows * _distortionMeshColumns)     // If dimensions differ: discard current mesh and create a new one
+        if(!_distortionMesh.valid() || enforceMeshRebuild || _distortionMesh->size() != _distortionMeshRows * _distortionMeshColumns)   // If dimensions differ: discard current mesh and create a new one
         {
                 _distortionMesh = new osg::Vec4Array(_distortionMeshRows * _distortionMeshColumns);
@@ -64 +62 @@
                         for(int col=0;col<_distortionMeshColumns;col++)
                         {
-                                float x=col/_distortionMeshColumns;     // Vertex X
-                                float y=row/_distortionMeshRows;        // Vertex Y
-                                float z=col/_distortionMeshColumns;     // TexCoord X
-                                float w=row/_distortionMeshRows;        // TexCoord Y
+                                float x=col/(float)(_distortionMeshColumns-1);  // Vertex X
+                                float y=row/(float)(_distortionMeshRows-1);     // Vertex Y
+                                float z=col/(float)(_distortionMeshColumns-1);  // TexCoord X
+                                float w=row/(float)(_distortionMeshRows-1);     // TexCoord Y
 
                                 _distortionMesh->at(row*_distortionMeshColumns+col).set(x,y,z,w);

experimental/distortionNG/DistortionSet.h

@@ -59 +59 @@
         void clearDirtyStatus() { _meshDirty = false; _matrixDirty = false;}
         
-        void setDistortionMeshDimensions(int rows, int cols);
+        void setDistortionMeshDimensions(int rows, int cols, bool enforceMeshRebuild=false);
 
         osg::Image* getIntensityMap()  { return _intensityMap; }        // Also for manipulating the intensity map

experimental/distortionNG/main.cpp

@@ -230 +230 @@
  * Laden des Containers.
  * reset distortion implementieren.
- * Anwenden der distortion auf die Meshknoten oder die texturekoordinaten
+ * Anwenden der manuellen distortion auf die Meshknoten oder die texturekoordinaten
  * 
  *