Changeset 2570 for GTP/trunk/Lib/Vis/Preprocessing/src/ViewCellsManager.cpp

Timestamp:

12/18/07 09:04:41 (17 years ago)

Author:

mattausch

Message:

 

File:

• GTP/trunk/Lib/Vis/Preprocessing/src/ViewCellsManager.cpp (modified) (3 diffs)

GTP/trunk/Lib/Vis/Preprocessing/src/ViewCellsManager.cpp

@@ -2101 +2101 @@
                 if (!ViewCellsConstructed()) 
                 {
-                        // view cells not yet constructed
+                        // view cells not constructed yet =>
                         // just take the lenghts of the rays as contributions
                         if ((*it)->mTerminationObject)
@@ -2669 +2669 @@
 
 
+void ViewCellsManager::UpdateStatsForViewCell(ViewCell *vc, Intersectable *obj)
+{
+                KdIntersectable *kdObj = static_cast<KdIntersectable *>(obj);
+
+        const AxisAlignedBox3 box = kdObj->GetBox();
+                const float dist = SqrDistance(vc->GetBox().Center(), box.Center());
+
+                float f;
+
+                const float radius = mViewSpaceBox.Radius();
+                const float fullRadius = mViewSpaceBox.Radius();
+
+                const float minVal = 0.1f;
+                const float maxVal = 1.0f;
+
+                if (dist <= radius) 
+                        f = maxVal;
+                else if (dist >= fullRadius)
+                        f = minVal;
+                else // linear blending
+                {
+                        f = minVal * (dist - radius) + maxVal * (fullRadius - radius - dist);
+                }
+
+                const int numTriangles = kdObj->ComputeNumTriangles();
+
+                vc->GetPvs().mStats.mDistanceWeightedTriangles += f * numTriangles; 
+                vc->GetPvs().mStats.mDistanceWeightedPvs += f;
+                vc->GetPvs().mStats.mWeightedTriangles += numTriangles;
+}
+
+
 void ViewCellsManager::ComputeViewCellContribution(ViewCell *viewCell,
                                                                                                    VssRay &ray, 
@@ -2692 +2724 @@
                 hasAbsContribution = viewCell->GetPvs().AddSampleDirtyCheck(obj, ray.mPdf);
                 //hasAbsContribution = viewCell->GetPvs().AddSample(obj,ray.mPdf);
+#if 1
+                UpdateStatsForViewCell(viewCell, obj);
+#endif
+
         }
         else