Changeset 564 for trunk/VUT/GtpVisibilityPreprocessor/src/ViewCellsManager.cpp

Timestamp:

01/23/06 02:56:48 (18 years ago)

Author:

mattausch

Message:

 

File:

• trunk/VUT/GtpVisibilityPreprocessor/src/ViewCellsManager.cpp (modified) (32 diffs)

trunk/VUT/GtpVisibilityPreprocessor/src/ViewCellsManager.cpp

@@ -27 +27 @@
 mViewCellsFinished(false),
 mMaxPvsSize(9999999),
-mMinPvsSize(1), // only empty view cells are invalid
+mMinPvsSize(0), // one means only empty view cells are invalid
 mMaxPvsRatio(1.0)
 {
@@ -44 +44 @@
 mViewCellsFinished(false),
 mMaxPvsSize(9999999),
-mMinPvsSize(1), // only empty view cells are invalid
+mMinPvsSize(0), // one means only empty view cells are invalid
 mMaxPvsRatio(1.0)
 {
@@ -58 +58 @@
         environment->GetBoolValue("ViewCells.Visualization.exportGeometry", mExportGeometry);
         environment->GetFloatValue("ViewCells.maxPvsRatio", mMaxPvsRatio);
+        bool emptyViewCells = false;
+        environment->GetBoolValue("ViewCells.pruneEmptyViewCells", emptyViewCells);
+        environment->GetBoolValue("ViewCells.processOnlyValidViewCells", mOnlyValidViewCells);
+
+        mMinPvsSize = emptyViewCells ? 1 : 0;
 
         char buf[50];
-
         environment->GetStringValue("ViewCells.Visualization.colorCode", buf);
 
@@ -91 +95 @@
         preprocessor->GenerateVssRays(mConstructionSamples, vssRays);
         Construct(preprocessor->mObjects, vssRays);
-        
+
         // add rays to output rays
         while (!vssRays.empty)
@@ -116 +120 @@
 
 
-bool ViewCellsManager::CheckValidity(ViewCell *vc, 
-                                                                         int minPvsSize, 
+bool ViewCellsManager::CheckValidity(ViewCell *vc,
+                                                                         int minPvsSize,
                                                                          int maxPvsSize) const
 {
         if ((vc->GetPvs().GetSize() > mMaxPvsSize) ||
                 (vc->GetPvs().GetSize() < mMinPvsSize))
-        {       
+        {
                 return false;
         }
@@ -130 +134 @@
 
 
-void ViewCellsManager::SetValidity(ViewCell *vc, 
-                                                                   int minPvs, 
+void ViewCellsManager::SetValidity(ViewCell *vc,
+                                                                   int minPvs,
                                                                    int maxPvs) const
 {
@@ -179 +183 @@
   if (!ViewCellsConstructed())
         return 0.0f;
-  
+
   VssRayContainer::const_iterator it, it_end = rays.end();
 
@@ -309 +313 @@
 
         //-- merge ray sets
-        stable_sort(front.mPiercingRays.begin(), front.mPiercingRays.end());
-        stable_sort(back.mPiercingRays.begin(), back.mPiercingRays.end());
-
-        std::merge(front.mPiercingRays.begin(), front.mPiercingRays.end(),
-                           back.mPiercingRays.begin(), back.mPiercingRays.end(),
-                           vc->mPiercingRays.begin());
+        if (0)
+        {
+                stable_sort(front.mPiercingRays.begin(), front.mPiercingRays.end());
+                stable_sort(back.mPiercingRays.begin(), back.mPiercingRays.end());
+
+                std::merge(front.mPiercingRays.begin(), front.mPiercingRays.end(),
+                                   back.mPiercingRays.begin(), back.mPiercingRays.end(),
+                                   vc->mPiercingRays.begin());
+        }
 
         return vc;
@@ -429 +436 @@
 {
         mViewCells.clear();
-        
+
         CollectViewCells();
-        
+
         mViewCellsStats.Reset();
         EvaluateViewCellsStats();
@@ -449 +456 @@
   if (!ViewCellsConstructed())
         return;
-  
+
   VssRayContainer::const_iterator it, it_end = rays.end();
-  
+
   for (it = rays.begin(); it != it_end; ++ it) {
         AddSampleContributions(*(*it));
@@ -489 +496 @@
 {
   ViewCellContainer viewcells;
-  
+
   ray.mPvsContribution = 0;
   ray.mRelativePvsContribution = 0.0f;
-  
-  // matt TODO: remove this!!
-  Ray hray(ray);
-  float tmin = 0, tmax = 1.0;
-  
-  //hray.Init(ray.GetOrigin(), ray.GetDir(), Ray::LINE_SEGMENT);
-  if (!GetViewSpaceBox().GetRaySegment(hray, tmin, tmax) || (tmin > tmax))
-        return 0.0f;
-  
-  Vector3 origin = hray.Extrap(tmin);
-  Vector3 termination = hray.Extrap(tmax);
+
+ static Ray hray;
+        hray.Init(ray);
+        //hray.mFlags |= Ray::CULL_BACKFACES;
+        //Ray hray(ray);
+
+        float tmin = 0, tmax = 1.0;
+
+        if (!GetViewSpaceBox().GetRaySegment(hray, tmin, tmax) || (tmin > tmax))
+                return;
+
+        Vector3 origin = hray.Extrap(tmin);
+        Vector3 termination = hray.Extrap(tmax);
+
+        CastLineSegment(origin, termination, viewcells);
+        //Debug << "constribution: " << (int)viewcells.size() << endl;
+        // copy viewcells memory efficiently
+        const bool storeViewcells = false;
+        if (storeViewcells)
 
   CastLineSegment(origin,
                                   termination,
                                   viewcells);
-  
+
   //Debug << "constribution: " << (int)viewcells.size() << endl;
-  
+
   // copy viewcells memory efficiently
   const bool storeViewcells = !addRays;
-  
+
   if (storeViewcells)
-        {
+  {
           ray.mViewCells.reserve(viewcells.size());
           ray.mViewCells = viewcells;
-        }
-  
+          }
+
   ViewCellContainer::const_iterator it = viewcells.begin();
-  
-  
+
+
   for (; it != viewcells.end(); ++it) {
         ViewCell *viewcell = *it;
@@ -533 +548 @@
         ray.mRelativePvsContribution += contribution;
   }
-  
+
   if (addRays)
         for (it = viewcells.begin(); it != viewcells.end(); ++it) {
@@ -623 +638 @@
 
 
-bool ViewCellsManager::ExportViewCells(const string filename) 
-{ 
+bool ViewCellsManager::ExportViewCells(const string filename)
+{
         return false;
 }
@@ -1847 +1862 @@
 void VspBspViewCellsManager::CollectViewCells()
 {
-        mVspBspTree->CollectViewCells(mViewCells, false);
+        mVspBspTree->CollectViewCells(mViewCells, mOnlyValidViewCells);
 }
 
@@ -1894 +1909 @@
 
         mMaxPvsSize = (int)(mMaxPvsRatio * (float)objects.size());
-        
+
         mVspBspTree->Construct(constructionRays, &mViewSpaceBox);
 
@@ -1996 +2011 @@
                 if (exporter)
                 {
-                        if (1)
+                        if (0)
                                 exporter->SetWireframe();
                         else
@@ -2019 +2034 @@
 
 
-void VspBspViewCellsManager::RefineViewCells(const VssRayContainer &rays)
+void VspBspViewCellsManager::RefineViewCells(const VssRayContainer &rays,
+                                                                                         const ObjectContainer &objects)
 {
         Debug << "render time before refine:" << endl;
@@ -2031 +2047 @@
 
         // refining the merged view cells
-        const int refined = mVspBspTree->RefineViewCells(rays);
+        const int refined = mVspBspTree->RefineViewCells(rays, objects);
 
         //-- stats and visualizations
@@ -2052 +2068 @@
         }
 
-        
+
         // view cells already finished before post processing step (i.e. because they were loaded)
         if (mViewCellsFinished)
@@ -2060 +2076 @@
                 return 0;
         }
-        
+
 
         // check if new view cells turned invalid
@@ -2071 +2087 @@
 
         Debug << "post processing using " << (int)postProcessRays.size() << " samples" << endl;
-        
+
         Debug << "\nview cell partition after sampling:\n" << mViewCellsStats << endl << endl;
 
@@ -2084 +2100 @@
         MergeViewCells(postProcessRays, objects);
         //-- refines the merged view cells
-        RefineViewCells(postProcessRays);
+        RefineViewCells(postProcessRays, objects);
         // collapse sibling leaves that share the same view cell
         mVspBspTree->CollapseTree();
@@ -2174 +2190 @@
                                 exporter->ExportRays(visRays, RgbColor(0, 1, 0));
                         }
-                        
+
                         ExportViewCellsForViz(exporter);
                         delete exporter;
@@ -2211 +2227 @@
 
                                 lm = vm;
-                                        
+
                                 vm.mDiffuseColor.r -= 0.45f;
                                 vm.mDiffuseColor.g -= 0.45f;
@@ -2226 +2242 @@
                                         else
                                                 exporter->SetForcedMaterial(vm);
-                                        
+
                                         BspNodeGeometry geom;
                                         mVspBspTree->ConstructGeometry(leaf, geom);
@@ -2232 +2248 @@
                                 }
                         }
-                        
+
                         delete exporter;
                 }
@@ -2410 +2426 @@
                                                                                  ViewCell *vc) const
 {
-        if (CheckValidity(vc, mMinPvsSize, mMaxPvsSize) && (mColorCode == 0)) // Random color
+        const bool vcValid = CheckValidity(vc, mMinPvsSize, mMaxPvsSize);
+
+        float importance = 0;
+        static Material m;
+
+        switch (mColorCode)
+        {
+        case 0: // Random
+                {
+                        if (vcValid)
+                        {
+                                m = RandomMaterial();
+                        }
+                        else
+                        {
+                                m.mDiffuseColor.r = 0.0f;
+                                m.mDiffuseColor.g = 1.0f;
+                                m.mDiffuseColor.b = 0.0f;
+                        }
+                }
                 return;
-
-        float importance = 0;
-        Material m;
-        
-        switch (mColorCode)
-        {
         case 1: // pvs
                 {
@@ -2443 +2472 @@
         }
 
-        m.mDiffuseColor.b = CheckValidity(vc, mMinPvsSize, mMaxPvsSize) ? 1.0f : 0.0f;
+        // special color code for invalid view cells
         m.mDiffuseColor.r = importance;
         m.mDiffuseColor.g = 1.0f - m.mDiffuseColor.r;
+        m.mDiffuseColor.b = vcValid ? 1.0f : 0.0f;
 
         //Debug << "importance: " << importance << endl;
@@ -2515 +2545 @@
 {
         ViewCellsParser parser;
-        
+
         DEL_PTR(mVspBspTree);
         mVspBspTree = new VspBspTree();
-        
+
         bool success = parser.ParseFile(filename, mVspBspTree, this, objects);
         mVspBspTree->RepairViewCellsLeafLists();
         mVspBspTree->mBox = GetViewSpaceBox();
         ResetViewCells();
-        
+
         mViewCellsFinished = true;
         mMaxPvsSize = (int)objects->size();
 
         FinalizeViewCells(true);
-        
+
         Debug << (int)mViewCells.size() << " view cells loaded" << endl;
 
@@ -2543 +2573 @@
 bool VspBspViewCellsManager::ExportViewCells(const string filename)
 {
-        cout << "exporting view cells to xml ... "; 
+        cout << "exporting view cells to xml ... ";
         std::ofstream stream;
 
@@ -2552 +2582 @@
         stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"<<endl;
         stream << "<Visibility_Solution>" << endl;
-        
+
         //-- load the view cells itself, i.e., the ids and the pvs
         stream << "<ViewCells>" << endl;
@@ -2558 +2588 @@
         for (it = mViewCells.begin(); it != it_end; ++ it)
                 ExportViewCell(*it, stream);
-    
+
         stream << "</ViewCells>" << endl;
-        
+
         //-- load the hierarchy
         stream << "<BspTree>" << endl;
         mVspBspTree->Export(stream);
         stream << endl << "</BspTree>" << endl;
-        
+
         stream << "</Visibility_Solution>" << endl;
         stream.close();