Changeset 3980 for trunk/packages/vizservers/vtkvis

Timestamp:

Oct 2, 2013 1:16:17 AM (11 years ago)

Author:

ldelgass

Message:

Scale opacity using transfer function alpha map when volume renderer is VTK's
GPU ray-caster

File:

• trunk/packages/vizservers/vtkvis/Volume.cpp (modified) (3 diffs)

trunk/packages/vizservers/vtkvis/Volume.cpp

@@ -213 +213 @@
     if (getVolume() != NULL) {
         getVolume()->GetProperty()->SetColor(_colorMap->getColorTransferFunction(_dataRange));
+#ifdef USE_GPU_RAYCAST_MAPPER
+        getVolume()->GetProperty()->SetScalarOpacity(_colorMap->getOpacityTransferFunction(_dataRange, _opacity));
+#else
         getVolume()->GetProperty()->SetScalarOpacity(_colorMap->getOpacityTransferFunction(_dataRange));
+#endif
     }
 }
@@ -234 +238 @@
     if (getVolume() != NULL) {
         getVolume()->GetProperty()->SetColor(_colorMap->getColorTransferFunction(_dataRange));
+#ifdef USE_GPU_RAYCAST_MAPPER
+        getVolume()->GetProperty()->SetScalarOpacity(_colorMap->getOpacityTransferFunction(_dataRange, _opacity));
+#else
         getVolume()->GetProperty()->SetScalarOpacity(_colorMap->getOpacityTransferFunction(_dataRange));
+#endif
     }
 }
@@ -256 +264 @@
     // 3D texture mapper, not the GPU raycast mapper
     if (getVolume() != NULL) {
+#ifdef USE_GPU_RAYCAST_MAPPER
+        getVolume()->GetProperty()->SetScalarOpacity(_colorMap->getOpacityTransferFunction(_dataRange, opacity));
+#else
         if (opacity < 1.0e-6)
             opacity = 1.0e-6;
         getVolume()->GetProperty()->SetScalarOpacityUnitDistance(1.0/opacity);
+#endif
     }
 }