Changeset 549

Timestamp:

01/18/06 04:55:43 (18 years ago)

Author:

bittner

Message:

rss tree tmp changes for regular sampling

Location:

trunk/VUT/GtpVisibilityPreprocessor/src

Files:

• Makefile (modified) (1 diff)
• RssPreprocessor.cpp (modified) (6 diffs)
• RssTree.cpp (modified) (2 diffs)
• default.env (modified) (6 diffs)
• preprocessor.pro (modified) (1 diff)

trunk/VUT/GtpVisibilityPreprocessor/src/Makefile

@@ -1 +1 @@
 #############################################################################
 # Makefile for building: preprocessor
-# Generated by qmake (2.00a) (Qt 4.1.0) on: ?t 12. I 15:26:52 2006
+# Generated by qmake (2.00a) (Qt 4.1.0) on: po 16. I 20:32:45 2006
 # Project:  preprocessor.pro
 # Template: app

trunk/VUT/GtpVisibilityPreprocessor/src/RssPreprocessor.cpp

@@ -13 +13 @@
 #include "GlRenderer.h"
 
-static bool useViewSpaceBox = true;
+static bool useViewSpaceBox = false;
 static bool use2dSampling = false;
 
@@ -82 +82 @@
         
   SetupRay(ray, viewPoint, direction);
+
+  if (!mDetectEmptyViewSpace)
+        ray.mFlags &= ~Ray::CULL_BACKFACES;
+
   // cast ray to KD tree to find intersection with other objects
   Intersectable *objectA, *objectB;
@@ -101 +105 @@
   }
 
-  bool detectEmptyViewSpace = true;
-        
-  if (detectEmptyViewSpace) {
+
+  if (mDetectEmptyViewSpace) {
         SetupRay(ray, pointA, -direction);
   } else
         SetupRay(ray, viewPoint, -direction);
         
-        
+  if (!mDetectEmptyViewSpace)
+        ray.mFlags &= ~Ray::CULL_BACKFACES;
+
   if (mKdTree->CastRay(ray)) {
         objectB = ray.intersections[0].mObject;
@@ -122 +127 @@
 
   //  if (objectA == NULL && objectB != NULL) {
-  if (1) {
+  if (mDetectEmptyViewSpace) {
         // cast again to ensure that there is no objectA
         SetupRay(ray, pointB, direction);
@@ -135 +140 @@
 
   bool validSample = (objectA != objectB);
-  if (0 && detectEmptyViewSpace) {   // consider all samples valid
-        // check if the viewpoint lies on the line segment AB
-        if (Distance(pointA, pointB) <
-                Distance(viewPoint, pointA) + Distance(viewPoint, pointB) - Limits::Small) {
-          validSample = false;
-        }
-  }
-        
   if (validSample) {
         if (objectA) {
@@ -318 +315 @@
   //    exporter->ExportKdTree(*mKdTree);
   exporter->SetFilled();
-  exporter->ExportScene(mSceneGraph->mRoot);
+  // temporarily do not export the scene
+  if (0)
+        exporter->ExportScene(mSceneGraph->mRoot);
   exporter->SetWireframe();
 

trunk/VUT/GtpVisibilityPreprocessor/src/RssTree.cpp

@@ -2088 +2088 @@
         }
   }
-  
+
+  float extendedConvexCombinationProb = 0.0f; //0.7f
+  float silhouetteCheckPercentage = 0.0f; //0.5f
   for (int i=0; generated < numberOfRays && i < numberOfTries; i++) {
-        bool useExtendedConvexCombination = ((nrays >= 2) && (Random(1.0f) < 0.7f));
+        bool useExtendedConvexCombination = ((nrays >= 2) && (Random(1.0f) <
+                                                                                                                  extendedConvexCombinationProb));
         
         Vector3 origin, direction;
@@ -2163 +2166 @@
         
 
-        if (i > numberOfRays/2) {
+        if (i > numberOfRays*(1.0f - silhouetteCheckPercentage)) {
           if (exporter) {
                 VssRay *ray = new VssRay(origin, origin + 100*direction, NULL, NULL);

trunk/VUT/GtpVisibilityPreprocessor/src/default.env

@@ -23 +23 @@
         useGlRenderer true
 #       type sampling
-        type vss
-#       type rss
+#       type vss
+        type rss
         detectEmptyViewSpace false
 }
@@ -70 +70 @@
 RssPreprocessor {
         samplesPerPass  100000
-        initialSamples 500000
-        vssSamples 10000000
-        vssSamplesPerPass 500000
+        initialSamples 1000000
+        vssSamples 20000000
+        vssSamplesPerPass 1000000
         useImportanceSampling true
 
@@ -87 +87 @@
         useViewcells true
         updateSubdivision true
-loadInitialSamples true
+        loadInitialSamples true
         storeInitialSamples false
 }
@@ -107 +107 @@
         maxStaticMemory 100
 
-        splitType regular
+#       splitType regular
 #       splitType heuristic
-#       splitType hybrid
-        splitUseOnlyDrivingAxis true
+        splitType hybrid
+        splitUseOnlyDrivingAxis false
         importanceBasedCost false
 
@@ -168 +168 @@
 
 ViewCells {
-        loadFromFile false
+        loadFromFile true
         #type kdTree
         #type vspKdTree
@@ -200 +200 @@
         }
         
-        filename ../data/soda/viewcells_soda5.xml
+#       filename ../data/soda/viewcells_soda5.xml
+        filename ../data/atlanta/viewcells_atlanta2.xml
 #       filename ../data/atlanta/atlanta_viewcells_large.x3d
 #       filename ../data/vienna/viewcells-25-sel.x3d

trunk/VUT/GtpVisibilityPreprocessor/src/preprocessor.pro

@@ -44 +44 @@
 RenderSimulator.cpp VspKdTree.cpp RayInfo.cpp RssTree.cpp RssPreprocessor.cpp \
 ViewCellsManager.cpp VspBspTree.cpp GlRenderer.cpp \
-PreprocessorThread.cpp Renderer.cpp Beam.cpp ViewCellsParser.cpp
+PreprocessorThread.cpp Renderer.cpp Beam.cpp ViewCellsParser.cpp Tetrahedron3.cpp