Changeset 424

Timestamp:

11/20/05 22:57:44 (19 years ago)

Author:

mattausch

Message:

 

Location:

trunk/VUT/GtpVisibilityPreprocessor/src

Files:

• Environment.cpp (modified) (3 diffs)
• ViewCellBsp.cpp (modified) (4 diffs)
• ViewCellBsp.h (modified) (2 diffs)
• VspKdTree.cpp (modified) (6 diffs)

trunk/VUT/GtpVisibilityPreprocessor/src/Environment.cpp

@@ -1270 +1270 @@
                  "-1");
 
+   RegisterOption("BspTree.Termination.ct_div_ci",
+                 optFloat,
+                 "-bsp_term_ct_div_ci=",
+                 "0.0");
+  
+  RegisterOption("BspTree.Termination.maxDepth",
+                 optInt,
+                 "-bsp_term_max_depth=",
+                 "100");
+
   RegisterOption("BspTree.Termination.AxisAligned.maxCostRatio",
                  optFloat,
-                 "-bsp_term_max_cost_ratio=",
+                 "-bsp_term_axis_aligned_max_cost_ratio=",
                  "1.5");
 
   RegisterOption("BspTree.Termination.AxisAligned.ct_div_ci",
                  optFloat,
-                 "-bsp_term_ct_div_ci=",
-                 "1.0");
+                 "-bsp_term_axis_aligned_ct_div_ci=",
+                 "0.5");
 
   RegisterOption("BspTree.AxisAligned.splitBorder",
                  optFloat,
-                 "-bsp_split_border=",
+                 "-bsp__axis_aligned_split_border=",
                  "0.1");
 
   RegisterOption("BspTree.Termination.AxisAligned.maxPolys",
                  optInt,
-                 "-bsp_term_max_polygons=",
+                 "-bsp_term_axis_aligned_max_polygons=",
                  "50");
 
@@ -1297 +1307 @@
   RegisterOption("BspTree.Termination.AxisAligned.maxRays",
                  optInt,
-                 "-bsp_term_max_rays=",
+                 "-bsp_term_axis_aligned_max_rays=",
                  "-1");
-
-  RegisterOption("BspTree.Termination.maxDepth",
-                 optInt,
-                 "-bsp_term_max_depth=",
-                 "100");
 
   RegisterOption("BspTree.splitPlaneStrategy",
@@ -1330 +1335 @@
           "false");
 
+  RegisterOption("BspTree.Factor.verticalSplits", optFloat, "-bsp_factor_vertical=", "1.0");
+  RegisterOption("BspTree.Factor.largestPolyArea", optFloat, "-bsp_factor_largest_poly=", "1.0");
+  RegisterOption("BspTree.Factor.blockedRays", optFloat, "-bsp_factor_blocked=", "1.0");
+  RegisterOption("BspTree.Factor.leastRaySplits", optFloat, "-bsp_factor_least_ray_splits=", "1.0");
+  RegisterOption("BspTree.Factor.balancedRays", optFloat, "-bsp_factor_balanced_rays=", "1.0");
+  RegisterOption("BspTree.Factor.pvsFactor", optFloat, "-bsp_factor_pvs=", "1.0");
+  RegisterOption("BspTree.Factor.leastSplits", optFloat, "-bsp_factor_least_splits=", "1.0");
+  RegisterOption("BspTree.Factor.balancedPolys", optFloat, "-bsp_factor_balanced_polys=", "1.0");
+  RegisterOption("BspTree.Factor.balancedViewCells", optFloat, "-bsp_factor_balanced_view_cells=", "1.0");
+
   RegisterOption("Preprocessor.type",
-                                                                 optString,
-                                                                 "-preprocessor=",
-                                                                 "sampling");
+                                 optString,
+                                 "-preprocessor=",
+                                 "sampling");
 
 

trunk/VUT/GtpVisibilityPreprocessor/src/ViewCellBsp.cpp

@@ -274 +274 @@
 mRoot(NULL), 
 mGenerateViewCells(false),
-//-- factors for bsp tree split plane heuristics
-mVerticalSplitsFactor(1.0f),
-mLargestPolyAreaFactor(1.0f),
-mBlockedRaysFactor(1.0f),
-mLeastRaySplitsFactor(1.0f),
-mBalancedRaysFactor(1.0f),
-mPvsFactor(1.0f),
-mLeastSplitsFactor(1.0f),
-mBalancedPolysFactor(1.0f),
-mBalancedViewCellsFactor(1.0f),
-//------------------------------------
 mStoreLeavesWithRays(false),
 mPvsUseArea(true)
@@ -299 +288 @@
         environment->GetFloatValue("BspTree.Termination.maxAccRayLenght", mTermMaxAccRayLength);
 
+        //-- factors for bsp tree split plane heuristics
+        environment->GetFloatValue("BspTree.Factor.verticalSplits", mVerticalSplitsFactor);
+        environment->GetFloatValue("BspTree.Factor.largestPolyArea", mLargestPolyAreaFactor);
+        environment->GetFloatValue("BspTree.Factor.blockedRays", mBlockedRaysFactor);
+        environment->GetFloatValue("BspTree.Factor.leastRaySplits", mLeastRaySplitsFactor);
+        environment->GetFloatValue("BspTree.Factor.balancedRays", mBalancedRaysFactor);
+        environment->GetFloatValue("BspTree.Factor.pvsFactor", mPvsFactor);
+        environment->GetFloatValue("BspTree.Factor.leastSplits" , mLeastSplitsFactor);
+        environment->GetFloatValue("BspTree.Factor.balancedPolys", mBalancedPolysFactor);
+        environment->GetFloatValue("BspTree.Factor.balancedViewCells", mBalancedViewCellsFactor);
+        environment->GetFloatValue("BspTree.Termination.ct_div_ci", mCtDivCi);
+
         //-- termination criteria for axis aligned split
-        environment->GetFloatValue("BspTree.Termination.AxisAligned.ct_div_ci", mCtDivCi);
+        environment->GetFloatValue("BspTree.Termination.AxisAligned.ct_div_ci", mAaCtDivCi);
         environment->GetFloatValue("BspTree.Termination.AxisAligned.maxCostRatio", mMaxCostRatio);
         environment->GetIntValue("BspTree.Termination.AxisAligned.maxPolys", 
@@ -1034 +1035 @@
   
         float oldCost = (float)polys.size();
-        float newCost = mCtDivCi + minSum / boxArea;
+        float newCost = mAaCtDivCi + minSum / boxArea;
         float ratio = newCost / oldCost;
 
@@ -1491 +1492 @@
 
                         if (!mPvsUseArea) // use front and back cell areas to approximate volume
-                        {
+                        {       
                                 float len = Distance(entP, extP);
                                 pOverall += len;

trunk/VUT/GtpVisibilityPreprocessor/src/ViewCellBsp.h

@@ -810 +810 @@
         float mTermMaxAccRayLength;
 
+        float mCtDivCi;
+
+        /// if intersected leaves should be stored with a sample
         bool mStoreLeavesWithRays;
 
         /// axis aligned split criteria
-        float mCtDivCi;
+        float mAaCtDivCi;
         float mSplitBorder;
         float mMaxCostRatio;
 
         // factors guiding the split plane heuristics
-        float mLeastSplitsFactor;
-        float mBalancedPolysFactor;
-        float mBalancedViewCellsFactor;
         float mVerticalSplitsFactor;
         float mLargestPolyAreaFactor;
@@ -827 +827 @@
         float mBalancedRaysFactor;
         float mPvsFactor;
+        float mLeastSplitsFactor;
+        float mBalancedPolysFactor;
+        float mBalancedViewCellsFactor;
 
         //-- thresholds used for view cells merge

trunk/VUT/GtpVisibilityPreprocessor/src/VspKdTree.cpp

@@ -531 +531 @@
 
 // returns selected plane for subdivision
-int
-VspKdTree::SelectPlane(VspKdTreeLeaf *leaf,
-                                           const AxisAlignedBox3 &box,
-                                           float &position,
-                                           int &raysBack,
-                                           int &raysFront,
-                                           int &pvsBack,
-                                           int &pvsFront)
+int VspKdTree::SelectPlane(VspKdTreeLeaf *leaf,
+                                                   const AxisAlignedBox3 &box,
+                                                   float &position,
+                                                   int &raysBack,
+                                                   int &raysFront,
+                                                   int &pvsBack,
+                                                   int &pvsFront)
 {
         int minDirDepth = 6;
@@ -615 +614 @@
         // this is the main ray classification loop!
     for(RayInfoContainer::iterator ri = leaf->mRays.begin();
-                ri != leaf->mRays.end();        ri++)
+                ri != leaf->mRays.end(); ++ ri)
         {
                 if (!(*ri).mRay->IsActive()) 
@@ -640 +639 @@
                 
         //              float sum = raysBack*(position - minBox) + raysFront*(maxBox - position);
-        float sum = pvsBack*(position - minBox) + pvsFront * (maxBox - position);
-
-        newCost = mCtDivCi + sum  /sizeBox;
+        float sum = pvsBack * (position - minBox) + pvsFront * (maxBox - position);
+
+        newCost = mCtDivCi + sum  / sizeBox;
         
         //      cout<<axis<<" "<<pvsSize<<" "<<pvsBack<<" "<<pvsFront<<endl;
@@ -677 +676 @@
                 if (!mOnlyDrivingAxis || axis == sAxis) 
                 {
-                        nPosition[axis] = (sBox.Min()[axis] + sBox.Max()[axis])*0.5f;
+                        nPosition[axis] = (sBox.Min()[axis] + sBox.Max()[axis]) * 0.5f;
                                                 
                         nCostRatio[axis] = EvalCostRatio(leaf,
@@ -728 +727 @@
         int rl = 0, rr = (int)leaf->mRays.size();
         int pl = 0, pr = leaf->GetPvsSize();
+
         float minBox = box.Min(axis);
         float maxBox = box.Max(axis);
@@ -739 +739 @@
         
         Intersectable::NewMail();
+
         // set all object as belonging to the fron pvs
         for(RayInfoContainer::iterator ri = leaf->mRays.begin();
-                ri != leaf->mRays.end();        ++ ri)
+                ri != leaf->mRays.end(); ++ ri)
         {
                 if ((*ri).mRay->IsActive())