Changeset 1727 for GTP/trunk/Lib/Vis/Preprocessing/src/VspTree.cpp

Timestamp:

11/09/06 03:35:58 (18 years ago)

Author:

mattausch

Message:

implemented several accelleration svhemes for the gradient method

File:

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

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

@@ -462 +462 @@
         Environment::GetSingleton()->GetIntValue("VspTree.maxTests", mMaxTests);
 
-        Environment::GetSingleton()->GetFloatValue("VspTree.Construction.renderCostDecreaseWeight", mRenderCostDecreaseWeight);
+        Environment::GetSingleton()->
+                GetFloatValue("VspTree.Construction.renderCostDecreaseWeight", mRenderCostDecreaseWeight);
         
         // if only the driving axis is used for axis aligned split
@@ -1254 +1255 @@
 {
         // get subset of rays
-        RayInfoContainer usedRays;
+        RayInfoContainer randomRays;
+        randomRays.reserve(mMaxTests);
+
+        RayInfoContainer *usedRays;
 
         if (mMaxTests < (int)tData.mRays->size())
         {
-                GetRayInfoSets(*tData.mRays, mMaxTests, usedRays);
+                GetRayInfoSets(*tData.mRays, mMaxTests, randomRays);
+                usedRays = &randomRays;
         }
         else
         {
-                usedRays = *tData.mRays;
+                usedRays = tData.mRays;
         }
 
@@ -1273 +1278 @@
         const float maxBand = minBox + mMaxBand * sizeBox;
 
-        SortSubdivisionCandidates(usedRays, axis, minBand, maxBand);
+        SortSubdivisionCandidates(*usedRays, axis, minBand, maxBand);
 
         // prepare the sweep
         // note: returns pvs size => no need t give pvs size as function parameter
-        const int pvsSize = PrepareHeuristics(usedRays);
+        const int pvsSize = PrepareHeuristics(*usedRays);
 
         // go through the lists, count the number of objects left and right