Changeset 1286

Timestamp:

08/25/06 18:25:09 (18 years ago)

Author:

mattausch

Message:

 

Location:

GTP/trunk/Lib/Vis/Preprocessing/src

Files:

• BvHierarchy.cpp (modified) (3 diffs)
• BvHierarchy.h (modified) (1 diff)
• HierarchyManager.cpp (modified) (3 diffs)
• HierarchyManager.h (modified) (3 diffs)
• KdTree.cpp (modified) (6 diffs)
• KdTree.h (modified) (1 diff)
• ObjParser.cpp (modified) (1 diff)
• OspTree.cpp (modified) (3 diffs)
• Preprocessor.cpp (modified) (2 diffs)
• Preprocessor.vcproj (modified) (2 diffs)
• TestPreprocessor.vcproj (modified) (2 diffs)
• ViewCell.cpp (modified) (1 diff)
• ViewCell.h (modified) (1 diff)
• ViewCellsManager.cpp (modified) (6 diffs)
• ViewCellsParser.cpp (modified) (30 diffs)
• ViewCellsParserXerces.h (modified) (5 diffs)
• VspTree.cpp (modified) (1 diff)

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

@@ -1454 +1454 @@
 
 
+void BvHierarchy::ExportObjects(BvhLeaf *leaf, OUT_STREAM &stream)
+{
+        ObjectContainer::const_iterator oit, oit_end = leaf->mObjects.end();
+        for (oit = leaf->mObjects.begin(); oit != oit_end; ++ oit)
+        {
+                stream << (*oit)->GetId() << " ";
+        }
+}
+
+
 void BvHierarchy::ExportNode(BvhNode *node, OUT_STREAM &stream)
 {
@@ -1460 +1470 @@
                 BvhLeaf *leaf = dynamic_cast<BvhLeaf *>(node);
 
-                stream << "<Leaf ";
-                stream << "objects=\"";
+                stream << "<Leaf"
+                           << " min=\"" << leaf->GetBoundingBox().Min()
+                           << " max=\"" << leaf->GetBoundingBox().Max() 
+                           << " objects=\"";
                 
-                //-- export objects in kd leaves
-                //if (mExportObjects) ExportObjects(leaf, stream);
+                //-- export objects
+                ExportObjects(leaf, stream);
                 
                 stream << "\" />" << endl;
-                //stream << " </Leaf>" << endl;
         }
         else
@@ -1473 +1484 @@
                 BvhInterior *interior = dynamic_cast<BvhInterior *>(node);
         
-                stream << "<Interior box=\"" << interior->GetBoundingBox() << "\">" << endl;
+                stream << "<Interior"
+                           << " min=\"" << interior->GetBoundingBox().Min()
+                           << " max=\"" << interior->GetBoundingBox().Max()
+                           << "\">" << endl;
 
                 ExportNode(interior->GetBack(), stream);

GTP/trunk/Lib/Vis/Preprocessing/src/BvHierarchy.h

@@ -640 +640 @@
         void ExportNode(BvhNode *node, OUT_STREAM &stream);
 
+        void ExportObjects(BvhLeaf *leaf, OUT_STREAM &stream);
+
         /** Returns estimated memory usage of tree.
         */

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

@@ -260 +260 @@
 
 
-void HierarchyManager::Construct2(const VssRayContainer &sampleRays,
-                                                                  const ObjectContainer &objects,
-                                                                  AxisAlignedBox3 *forcedViewSpace)
-{
-        // rays clipped in view space and in object space
-        RayInfoContainer *viewSpaceRays = new RayInfoContainer();
-        RayInfoContainer *objectSpaceRays = new RayInfoContainer();
-
-
-        /////////////////////////////////////////////////////////////
-        // view space space partition
-        /////////////////////////////////////////////////////////////
-
-#if 0
-        // makes no sense otherwise because only one kd cell available
-        // during view space partition
-        const bool savedCountMethod = mVspTree.mUseKdPvsForHeuristics;
-        const bool savedStoreMethod = mVspTree.mStoreObjectPvs;
-        
-        mVspTree.mUseKdPvsForHeuristics = false;
-        mVspTree.mStoreObjectPvs = false;
-#endif
-        SubdivisionCandidate *vsc = 
-                mVspTree->PrepareConstruction(sampleRays, forcedViewSpace, *viewSpaceRays);
-        
-        // add to queue
-        mTQueue.Push(vsc);
-
-        long startTime = GetTime();
-        cout << "starting vsp contruction ... " << endl;
-
-        mVspTree->mVspStats.Reset();
-        mVspTree->mVspStats.Start();
-
-        int i = 0;
-
-        // all objects can be seen from everywhere
-        mTotalCost = (float)dynamic_cast<VspTree::VspSubdivisionCandidate *>(vsc)->mParentData.mPvs;
-
-        const bool repairQueue = false;
-
-        // process view space candidates
-        RunConstruction(repairQueue);
-
-        cout << "finished in " << TimeDiff(startTime, GetTime())*1e-3 << " secs" << endl;
-        mVspTree->mVspStats.Stop();
-
-
-        /////////////////////////////////////////////////////////////
-        // object space partition
-        /////////////////////////////////////////////////////////////
-
-
-        Debug << "\n$$$$$$$$$ osp tree construction $$$$$$$$$$\n" << endl;
-        cout << "starting osp contruction ... " << endl;
-
-        // start with one big kd cell - all objects can be seen from everywhere
-        // note: only true for view space = object space
-
-        // compute first candidate
-        SubdivisionCandidate *osc =
-                mOspTree->PrepareConstruction(sampleRays, objects, forcedViewSpace, *objectSpaceRays);
-
-        Debug << "reseting cost, new total cost: " << mTotalCost << endl;
-        mTotalCost = mOspTree->mTotalCost;
-
-    mTQueue.Push(osc);
-
-        mOspTree->mOspStats.Reset();
-        mOspTree->mOspStats.Start();
-
-        startTime = GetTime();
-        
-        // process object space candidates
-        RunConstruction(repairQueue);
-        
-        cout << "finished in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
-
-        mOspTree->mOspStats.Stop();
-
-        //////////////////////////
-        // matt: only for debugging purpose
-
-        const float rc = mOspTree->EvalRenderCost(sampleRays);
-
-        Debug << "My render cost evalulation: " << rc << endl;
-
-#if 0
-        // reset parameters
-        mVspTree->mUseKdPvsForHeuristics = savedCountMethod;
-        mVspTree->mStoreObjectPvs = savedStoreMethod;
-#endif
-}
-
-
 void HierarchyManager::Construct3(const VssRayContainer &sampleRays,
                                                                   const ObjectContainer &objects,
@@ -372 +277 @@
         mTQueue.Push(sc);
 
-        cout << "starting vsp contruction ... " << endl;
+        cout << "starting vsp construction ... " << endl;
 
         long startTime = GetTime();
@@ -552 +457 @@
 void HierarchyManager::ExportObjectSpaceHierarchyForViz(const ObjectContainer &objects) const
 {
-        if (mOspTree && mOspTree->GetRoot()) 
-        {       
-                //-- export final object partition
-                Exporter *exporter = Exporter::GetExporter("final_object_partition.wrl");
+        switch (mObjectSpaceSubdivisonType)
+        {
+        case KD_BASED_OBJ_SUBDIV:
+                {
+                        ExportOspTreeForViz(objects);
+                        break;
+                }
+        case BV_BASED_OBJ_SUBDIV:
+                {
+                        ExportBvhForViz(objects);
+                        break;
+                }
+        default:
+                break;
+        }
+}
+
+
+void HierarchyManager::ExportBvhForViz(const ObjectContainer &objects) const
+{
+}
+
+
+void HierarchyManager::ExportOspTreeForViz(const ObjectContainer &objects) const
+{
+        //-- export final object partition
+        Exporter *exporter = Exporter::GetExporter("final_object_partition.wrl");
                 
-                if (exporter)
-                {
-                        cout << "exporting object space partition ... ";
-
-                        if (1)
-                        {
-                                exporter->ExportGeometry(objects);
-                        }
+        if (exporter)
+        {
+                cout << "exporting object space partition ... ";
+
+                if (1) exporter->ExportGeometry(objects);
                         
 #if 0           
-                        // export rays
-                        exporter->ExportRays(visRays, RgbColor(0, 1, 0));
+                // export rays
+                exporter->ExportRays(visRays, RgbColor(0, 1, 0));
 #endif
-
-                        exporter->SetWireframe();
-        
-                        const int colorCode = 0;
-                        const int maxPvs = 0;//mOspTree.GetStatistics().maxPvs;
-
-                        exporter->ExportOspTree(*mOspTree, 0);
-
-                        delete exporter;
-
-                        cout << "finished" << endl;
-                }
-        }
-}
-
-}
+                exporter->SetWireframe();
+        
+                const int colorCode = 0;
+                const int maxPvs = 0;//mOspTree.GetStatistics().maxPvs;
+
+                exporter->ExportOspTree(*mOspTree, 0);
+                delete exporter;
+
+                cout << "finished" << endl;
+        }
+}
+
+
+void HierarchyManager::Construct2(const VssRayContainer &sampleRays,
+                                                                  const ObjectContainer &objects,
+                                                                  AxisAlignedBox3 *forcedViewSpace)
+{
+        // rays clipped in view space and in object space
+        RayInfoContainer *viewSpaceRays = new RayInfoContainer();
+        
+        /////////////////////////////////////////////////////////////
+        // view space space partition
+        /////////////////////////////////////////////////////////////
+
+        // use objects for evaluating vsp tree construction
+        const int savedobjectSpaceSubdivisionType = mObjectSpaceSubdivisonType;
+        mObjectSpaceSubdivisonType = NO_OBJ_SUBDIV;
+
+        SubdivisionCandidate *vsc = 
+                mVspTree->PrepareConstruction(sampleRays, forcedViewSpace, *viewSpaceRays);
+        
+        // add to queue
+        mTQueue.Push(vsc);
+
+        long startTime = GetTime();
+        cout << "starting vsp construction ... " << endl;
+
+        mVspTree->mVspStats.Reset();
+        mVspTree->mVspStats.Start();
+
+        int i = 0;
+
+        // all objects can be seen from everywhere
+        mTotalCost = (float)dynamic_cast<VspTree::VspSubdivisionCandidate *>(vsc)->mParentData.mPvs;
+
+        const bool repairQueue = false;
+
+        // process view space candidates
+        RunConstruction(repairQueue);
+
+        cout << "finished in " << TimeDiff(startTime, GetTime())*1e-3 << " secs" << endl;
+        mVspTree->mVspStats.Stop();
+
+        // reset subdivision type
+        mObjectSpaceSubdivisonType = savedobjectSpaceSubdivisionType;
+
+
+        /////////////////////////////////////////////////////////////
+        // object space partition
+        /////////////////////////////////////////////////////////////
+        
+        
+        switch (mObjectSpaceSubdivisonType)
+        {
+        case KD_BASED_OBJ_SUBDIV:
+                {
+                        ConstructOspTree(sampleRays, objects, forcedViewSpace);
+                        break;
+                }
+        case BV_BASED_OBJ_SUBDIV:
+                {
+                        ConstructBvHierarchy(sampleRays, objects, forcedViewSpace);
+                        break;
+                }
+        default:
+                break;
+        }
+}
+
+
+void HierarchyManager::ConstructBvHierarchy(const VssRayContainer &sampleRays,
+                                                                                        const ObjectContainer &objects,
+                                                                                        AxisAlignedBox3 *forcedViewSpace) 
+
+{
+        Debug << "\n$$$$$$$$$ bv hierarchy construction $$$$$$$$$$\n" << endl;
+        cout << "starting bv hierarchy construction ... " << endl;
+
+        // start with one big kd cell - all objects can be seen from everywhere
+        // note: only true for view space = object space
+
+        ObjectContainer obj = objects;
+
+        // compute first candidate
+        SubdivisionCandidate *sc =
+                mBvHierarchy->PrepareConstruction(sampleRays, obj, forcedViewSpace);
+
+        Debug << "reseting cost, new total cost: " << mTotalCost << endl;
+        mTotalCost = mOspTree->mTotalCost;
+
+    mTQueue.Push(sc);
+
+        mOspTree->mOspStats.Reset();
+        mOspTree->mOspStats.Start();
+
+        const long startTime = GetTime();
+        const bool repairQueue = false;
+
+        // process object space candidates
+        RunConstruction(repairQueue);
+        
+        cout << "finished in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
+
+        mOspTree->mOspStats.Stop();
+
+        //////////////////////////
+        // matt: only for debugging purpose
+
+        const float rc = mOspTree->EvalRenderCost(sampleRays);
+
+        Debug << "My render cost evalulation: " << rc << endl;
+}
+
+
+void HierarchyManager::ConstructOspTree(const VssRayContainer &sampleRays,
+                                                                                const ObjectContainer &objects,
+                                                                                AxisAlignedBox3 *forcedViewSpace) 
+
+{
+        RayInfoContainer *objectSpaceRays = new RayInfoContainer();
+
+        Debug << "\n$$$$$$$$$ osp tree construction $$$$$$$$$$\n" << endl;
+        cout << "starting osp tree construction ... " << endl;
+
+        // start with one big kd cell - all objects can be seen from everywhere
+        // note: only true for view space = object space
+
+        // compute first candidate
+        SubdivisionCandidate *osc =
+                mOspTree->PrepareConstruction(sampleRays, objects, forcedViewSpace, *objectSpaceRays);
+
+        Debug << "reseting cost, new total cost: " << mTotalCost << endl;
+        mTotalCost = mOspTree->mTotalCost;
+
+    mTQueue.Push(osc);
+
+        mOspTree->mOspStats.Reset();
+        mOspTree->mOspStats.Start();
+
+        const long startTime = GetTime();
+        const bool repairQueue = false;
+        
+        // process object space candidates
+        RunConstruction(repairQueue);
+        
+        cout << "finished in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
+
+        mOspTree->mOspStats.Stop();
+
+        //////////////////////////
+        // matt: only for debugging purpose
+
+        const float rc = mOspTree->EvalRenderCost(sampleRays);
+
+        Debug << "My render cost evalulation: " << rc << endl;
+}
+
+}

GTP/trunk/Lib/Vis/Preprocessing/src/HierarchyManager.h

@@ -100 +100 @@
         HierarchyManager(VspTree *vspTree, KdTree *kdTree);
 
+        ~HierarchyManager();
+
         /** Constructs the view space and object space subdivision from a given set of rays
                 and a set of objects.
@@ -153 +155 @@
 
         void ExportObjectSpaceHierarchyForViz(const ObjectContainer &objects) const;
-    ~HierarchyManager();
+
 
 protected:
@@ -197 +199 @@
         void CollectObjectSpaceDirtyList(SubdivisionCandidateContainer &dirtyList);
                 
+        void ExportOspTreeForViz(const ObjectContainer &objects) const;
+        void ExportBvhForViz(const ObjectContainer &objects) const;
+
+        void ConstructBvHierarchy(
+                const VssRayContainer &sampleRays,
+                const ObjectContainer &objects,
+                AxisAlignedBox3 *forcedViewSpace);
+
+        void ConstructOspTree(
+                const VssRayContainer &sampleRays,
+                const ObjectContainer &objects,
+                AxisAlignedBox3 *forcedViewSpace);
 
 protected:

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

@@ -331 +331 @@
         ProcessMultipleRefs(front);
 
-  delete leaf;
-  return node;
+        delete leaf;
+        return node;
 }
 
@@ -852 +852 @@
 KdNode *
 KdTree::FindRandomNeighbor(KdNode *n,
-                                                                                                         bool onlyUnmailed
-                                                                                                         )
+                                                   bool onlyUnmailed
+                                                   )
 {
   stack<KdNode *> nodeStack;
@@ -1288 +1288 @@
         IN_STREAM stream(filename.c_str(), IN_BIN_MODE);
 
-        //if (!stream.is_open()) return false;
+        if (!stream.is_open()) return false;
 
         std::stable_sort(objects.begin(), objects.end(), ilt);
@@ -1299 +1299 @@
         {
                 Intersectable *obj = *oit;
-
                 // compute bounding box of view space
                 mBox.Include(obj->GetBox());
@@ -1334 +1333 @@
 
                         ++ mStat.splits[interior->mAxis];
-
-                        //Debug << "plane: " << interior->mAxis << " " << interior->mPosition << endl;
-                        //Debug << "box: " << tData.mBox << endl;
 
                         // compute new bounding box
@@ -1355 +1351 @@
                 }
         }
-
         Debug << mStat << endl;
 

GTP/trunk/Lib/Vis/Preprocessing/src/KdTree.h

@@ -576 +576 @@
   
 };
-  
-
 
 

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

@@ -158 +158 @@
         
         SceneGraphNode *root = new SceneGraphNode;
-        cout<<"HERE2!\n";
+
         int meshGrouping;
         Environment::GetSingleton()->GetIntValue("ObjParser.meshGrouping", meshGrouping);

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

@@ -643 +643 @@
 
         float sum = (float)totalVol * sizeBox;
-
 
         Debug << "here82 render cost: " << renderCost / viewSpaceVol << endl;
@@ -2570 +2569 @@
                 stream << "objects=\"";
                 
-                //-- export objects in kd leaves
+                // export objects in kd leaves
                 //if (mExportObjects) ExportObjects(leaf, stream);
                 
                 stream << "\" />" << endl;
-                //stream << " </Leaf>" << endl;
         }
         else
@@ -2658 +2656 @@
 
 SubdivisionCandidate * OspTree::PrepareConstruction(const VssRayContainer &sampleRays,
-                                                                                   const ObjectContainer &objects,
-                                                                                   AxisAlignedBox3 *forcedObjectSpace,
-                                                                                   RayInfoContainer &rays)
+                                                                                                        const ObjectContainer &objects,
+                                                                                                        AxisAlignedBox3 *forcedObjectSpace,
+                                                                                                        RayInfoContainer &rays)
 {
         // store pointer to this tree

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

@@ -425 +425 @@
                 // default view space is the extent of the scene
                 mViewCellsManager->SetViewSpaceBox(mSceneGraph->GetBox());
-
-
         }
         
@@ -1231 +1229 @@
 }
 
+
 int Preprocessor::CastRay(
                                                   const Vector3 &viewPoint,

GTP/trunk/Lib/Vis/Preprocessing/src/Preprocessor.vcproj

@@ -61 +61 @@
                         <Tool
                                 Name="VCCLCompilerTool"
-                                Optimization="0"
-                                InlineFunctionExpansion="0"
-                                FavorSizeOrSpeed="0"
+                                Optimization="3"
+                                GlobalOptimizations="TRUE"
+                                InlineFunctionExpansion="2"
+                                EnableIntrinsicFunctions="TRUE"
+                                FavorSizeOrSpeed="1"
+                                OmitFramePointers="TRUE"
+                                EnableFiberSafeOptimizations="TRUE"
+                                OptimizeForProcessor="3"
                                 OptimizeForWindowsApplication="TRUE"
                                 AdditionalIncludeDirectories="..\include;..\src;..\..\..\..\..\..\NonGTP\Devil\include;..\..\..\..\..\..\NonGTP\Zlib\include;..\..\..\..\..\..\NonGTP\Xerces;..\..\..\..\..\..\NonGTP\Boost"
@@ -73 +78 @@
                                 RuntimeTypeInfo="TRUE"
                                 UsePrecompiledHeader="0"
+                                BrowseInformation="1"
                                 WarningLevel="2"
                                 Detect64BitPortabilityProblems="TRUE"

GTP/trunk/Lib/Vis/Preprocessing/src/TestPreprocessor.vcproj

@@ -70 +70 @@
                         <Tool
                                 Name="VCCLCompilerTool"
-                                Optimization="0"
+                                Optimization="3"
+                                GlobalOptimizations="TRUE"
+                                InlineFunctionExpansion="2"
+                                EnableIntrinsicFunctions="TRUE"
+                                FavorSizeOrSpeed="1"
+                                OptimizeForProcessor="3"
+                                OptimizeForWindowsApplication="TRUE"
                                 AdditionalIncludeDirectories="..\include;..\..\..\..\..\..\NonGTP\Boost;..\..\..\..\..\..\NonGTP\Devil\include;..\..\..\..\..\..\NonGTP\Zlib\include;..\..\..\..\..\..\NonGTP\Xerces;..\..\MultiLevelRayTracing"
                                 PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
@@ -76 +82 @@
                                 RuntimeTypeInfo="TRUE"
                                 UsePrecompiledHeader="0"
+                                BrowseInformation="1"
                                 WarningLevel="3"
                                 Detect64BitPortabilityProblems="TRUE"

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

@@ -304 +304 @@
         else
                 mChildren.erase(it);
+}
+
+
+void ViewCellInterior::ReplaceChildLink(ViewCell *prev, ViewCell *cur)
+{
+        // erase leaf from old view cell
+        ViewCellContainer::iterator it = mChildren.begin();
+
+        for (; (*it) != prev; ++ it);
+        if (it == mChildren.end())
+        {
+                Debug << "error: child link not found" << endl;
+        }
+        else
+        {
+                (*it) = cur;
+        }
 }
 

GTP/trunk/Lib/Vis/Preprocessing/src/ViewCell.h

@@ -302 +302 @@
         */
         void SetupChildLink(ViewCell *l);
+        void ReplaceChildLink(ViewCell *prev, ViewCell *cur);
+
         void RemoveChildLink(ViewCell *l);
         bool IsLeaf() const;

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

@@ -362 +362 @@
         startTime = GetTime();
 
-        // -- stats after contruction
+        // -- stats after construction
         ResetViewCells();
         Debug << "\nView cells after initial sampling:\n" << mCurrentViewCellsStats << endl;
@@ -480 +480 @@
         }
 
-
-        //-- visualization
-
         if (mShowVisualization)
         {
+                //-- visualization
                 VssRayContainer visualizationSamples;
 
@@ -690 +688 @@
 
         mVspBspTree->Export(stream);
-        stream << endl << "</ViewSpaceHierarchy>" << endl;
+        stream << "</ViewSpaceHierarchy>" << endl;
 
         stream << "</VisibilitySolution>" << endl;
@@ -4800 +4798 @@
         Debug << "saved rays: " << (int)savedRays.size() << endl;
 
-        long startTime;
-
         //mHierarchyManager->Construct(constructionRays, objects, &mViewSpaceBox);
         mHierarchyManager->Construct2(constructionRays, objects, &mViewSpaceBox);
@@ -4827 +4823 @@
 
 
-        startTime = GetTime();
+        const long startTime = GetTime();
 
         cout << "Computing remaining ray contributions ... ";
@@ -5389 +5385 @@
         stream << "<ViewSpaceHierarchy type=\"vsp\""
                    << " min=\"" << mViewSpaceBox.Min().x << " " << mViewSpaceBox.Min().y << " " << mViewSpaceBox.Min().z << "\""
-                   << " max=\"" << mViewSpaceBox.Max().x << " " << mViewSpaceBox.Max().y << " " << mViewSpaceBox.Max().z << "\" />" << endl;
+                   << " max=\"" << mViewSpaceBox.Max().x << " " << mViewSpaceBox.Max().y << " " << mViewSpaceBox.Max().z << "\">" << endl;
 
         mHierarchyManager->GetVspTree()->Export(stream);
-        stream << endl << "</ViewSpaceHierarchy>" << endl;
+        stream << "</ViewSpaceHierarchy>" << endl;
 
         

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

@@ -89 +89 @@
   , mCurrentBspNode(NULL)
   , mCurrentVspNode(NULL)
-  , mCurrentKdNode(NULL)
+  , mCurrentOspNode(NULL)
+  , mCurrentBvhNode(NULL)
   , mObjects(objects)
   , mBoundingBoxConverter(bconverter)
@@ -114 +115 @@
 
         if (element == "BoundingBoxes")
+        {
                 EndBoundingBoxes();
+        }
 
         if (element == "ViewCells")
+        {       
                 EndViewCells();
-
-        // inside the view cell description
-        if (mCurrentState == PARSE_VIEWCELLS)
-        {
-                if (element == "Interior")
-                        EndViewCellInterior();
-        }
-        else
-        {
-                if (element == "Interior")
-                        EndBspInterior();
+        }
+
+        if (element == "ObjectSpaceHierarchy")
+        {
+                EndObjectSpaceHierarchy();
         }
 
         // finished, create view cells manager
         if (element == "VisibilitySolution")
+        {
                 CreateViewCellsManager();
+        }
+
+        if (element == "Interior")
+        {
+                switch (mCurrentState)
+                {
+                case PARSE_VIEWCELLS:
+                        EndViewCellInterior();
+                        break;
+                case PARSE_OBJECTSPACE_HIERARCHY:
+                        EndObjectSpaceHierarchyInterior();
+                        break;
+                case PARSE_VIEWSPACE_HIERARCHY: 
+                        EndViewSpaceHierarchyInterior();
+                        break;
+                default:
+                        break;
+                }
+        }
+}
+
+
+void ViewCellsParseHandlers::EndObjectSpaceHierarchy()
+{
+        if (mObjectSpaceHierarchyType == OSP)
+        {
+                mHierarchyManager->mOspTree->InsertObjects(
+                        mHierarchyManager->mOspTree->mRoot, *mObjects);
+        }
+}
+
+
+void ViewCellsParseHandlers::EndViewSpaceHierarchyInterior()
+{
+        switch (mViewSpaceHierarchyType)
+        {
+        case BSP:
+                EndBspInterior();
+                break;
+        case VSP:
+                EndVspInterior();
+                break;  
+        default:
+                Debug << "not implemented view space hierarchy type " << mViewSpaceHierarchyType << endl;
+                break;
+        }
+}
+
+
+void ViewCellsParseHandlers::EndObjectSpaceHierarchyInterior()
+{
+        switch (mObjectSpaceHierarchyType)
+        {
+        case OSP:
+                EndOspInterior();
+                break;
+        case BVH:
+                EndBvhInterior();
+                break;  
+        default:
+                Debug << "not implemented object space hierarchy type " << mViewSpaceHierarchyType << endl;
+                break;
+        }
 }
 
@@ -143 +205 @@
         {       cout << "]";
                 mCurrentBspNode = mCurrentBspNode->GetParent();
+        }
+}
+
+
+void ViewCellsParseHandlers::EndBvhInterior()
+{
+        // go one up in the tree
+        if (mCurrentBvhNode->GetParent())
+        {       cout << "]";
+                mCurrentBvhNode = mCurrentBvhNode->GetParent();
+        }
+}
+
+
+void ViewCellsParseHandlers::EndOspInterior()
+{
+        // go one up in the tree
+        if (mCurrentOspNode->mParent)
+        {       cout << "]";
+                mCurrentOspNode = mCurrentOspNode->mParent;
         }
 }
@@ -243 +325 @@
                 StartVspInterior(attributes);
         }
-
         if (element == "Leaf") 
         {
@@ -289 +370 @@
                                                                                                                         AttributeList& attributes)
 {
-        //if (!mViewCellsManager)return;
-
         //-- use cell type according to the chosen method
-
         switch (mViewSpaceHierarchyType)
         {
-                case BSP:
-                        StartBspElement(element, attributes);
-                        break;
-                case VSP:
-                        StartVspElement(element, attributes);
-                        break;
-                default:
-                        Debug << "not implemented" << endl;
-                        break;
+        case BSP:
+                StartBspElement(element, attributes);
+                break;
+        case VSP:
+                StartVspElement(element, attributes);
+                break;
+        default:
+                Debug << "not implemented" << endl;
+                break;
         }
 }
@@ -412 +490 @@
 
 
-void ViewCellsParseHandlers::ParseViewCellPvs(ViewCell *viewCell, 
+void ViewCellsParseHandlers::StartViewCellPvs(ViewCell *viewCell, 
                                                                                           AttributeList&  attributes)
 {
@@ -433 +511 @@
                         while (1)
                         {
-                                int index = strtol(ptr, &endptr, 10);
-
-                                if (ptr == endptr)
-                                        break;
+                                const int index = strtol(ptr, &endptr, 10);
+
+                                if (ptr == endptr) break;
 
                                 objIndices.push_back(index);
@@ -454 +531 @@
 
                                 ObjectContainer::iterator oit =
-                                        lower_bound(mObjects->begin(), mObjects->end(), (Intersectable *)&dummyInst, ilt);      
+                                        lower_bound(mObjects->begin(), 
+                                                                mObjects->end(), 
+                                                                (Intersectable *)&dummyInst, ilt);      
                                                         
                                 if ((oit != mObjects->end()) && ((*oit)->GetId() == objId))
@@ -551 +630 @@
 void ViewCellsParseHandlers::StartObjectSpaceHierarchy(AttributeList& attributes)
 {
-        int len = attributes.getLength();
-
+        const int len = attributes.getLength();
         Vector3 bmin, bmax;
-cout << "here3" << endl;
+
         for (int i = 0; i < len; ++ i) 
         {
@@ -567 +645 @@
                         {
                                 cout << "\nobject space hierarchy: Osp" << endl;
+
                                 mHierarchyManager = 
                                         new HierarchyManager(mVspTree, HierarchyManager::KD_BASED_OBJ_SUBDIV);
+
+                                mObjectSpaceHierarchyType = OSP;
+
+                                //std::stable_sort(objects.begin(), objects.end(), ilt);
+                                mHierarchyManager->mOspTree->mBoundingBox.Initialize();
+                                ObjectContainer::const_iterator oit, oit_end = mObjects->end();
+                                
+                                //-- compute bounding box
+                                for (oit = mObjects->begin(); oit != oit_end; ++ oit)
+                                {
+                                        Intersectable *obj = *oit;
+                                        // compute bounding box of view space
+                                        mHierarchyManager->mOspTree->mBoundingBox.Include(obj->GetBox());
+                                }
                         }
                         else if (strcmp(ptr, "bvh") == 0)
                         {
                                 cout << "\nobject space hierarchy: Bvh" << endl;
+                                mObjectSpaceHierarchyType = BVH;
                                 mHierarchyManager = 
                                         new HierarchyManager(mVspTree, HierarchyManager::BV_BASED_OBJ_SUBDIV);
@@ -579 +673 @@
         }
 }
-
 
 
@@ -675 +768 @@
         {
                 // add to invalid view space
-                if (mViewSpaceHierarchyType== ViewCellsManager::VSP_BSP)
-                {
-                        leaf->SetViewCell(mVspBspTree->GetOrCreateOutOfBoundsCell());
-                        leaf->SetTreeValid(false);
-                        mVspBspTree->PropagateUpValidity(leaf);
-                }
+                leaf->SetViewCell(mVspBspTree->GetOrCreateOutOfBoundsCell());
+                leaf->SetTreeValid(false);
+                mVspBspTree->PropagateUpValidity(leaf);
         }
 }
@@ -736 +826 @@
         }
 
-        ParseViewCellPvs(viewCell, attributes);
+        StartViewCellPvs(viewCell, attributes);
 
         // collect leaves
@@ -746 +836 @@
 {
         ViewCellInterior* interior = new ViewCellInterior();
-        cout << "here7"<<endl;
+        
         if (mCurrentViewCell) // replace NULL child of parent with current node
         {
@@ -760 +850 @@
         mCurrentViewCell = interior;
 
-        ParseViewCellPvs(interior, attributes);
+        StartViewCellPvs(interior, attributes);
 }
 
@@ -767 +857 @@
 {
         ViewCellContainer::iterator it, it_end = mViewCells.end();
-        Debug << endl;
+        cout << "\n====================" << endl << endl;
         for (it = mViewCells.begin(); it != it_end; ++ it)
         {
-                Debug << (*it)->GetId() << " ";
-        }
-Debug << endl;
+                cout << (*it)->GetId() << " ";
+        }
+cout << endl;
         if (mViewSpaceHierarchyType == BSP)
         {
@@ -799 +889 @@
                         else
                         {
-                vc->GetParent()->SetupChildLink(bspVc);
-                                vc->GetParent()->RemoveChildLink(vc);
+                vc->GetParent()->ReplaceChildLink(vc, bspVc);
                         }
 
@@ -806 +895 @@
                         (*vit) = bspVc;
                 }
-
         }
         else if (mViewSpaceHierarchyType == VSP) 
@@ -834 +922 @@
                         else
                         {
-                vc->GetParent()->SetupChildLink(vspVc);
-                                vc->GetParent()->RemoveChildLink(vc);
+                                vc->GetParent()->ReplaceChildLink(vc, vspVc);
                         }
                         
@@ -849 +936 @@
                 }
         }
-        Debug << "************************" << endl;
+        cout << "************************" << endl;
         it_end = mViewCells.end();
         for (it = mViewCells.begin(); it != it_end; ++ it)
         {
-                Debug << (*it)->GetId() << " ";
-        }
-        Debug << endl;
+                cout << (*it)->GetId() << " ";
+        }
+        cout << endl;
         cout << "\nview space box: " << mViewSpaceBox << endl;
 }
@@ -862 +949 @@
 void ViewCellsParseHandlers::CreateViewCellsManager(/*const char *name*/)
 {
-        if (mViewSpaceHierarchyType == BSP) // 
+        if (mViewSpaceHierarchyType == BSP)
         {
                 Debug << "creating view cells manager: VspBsp" << endl;
 
-                //mVspBspTree = new VspBspTree();
                 mViewCellsManager = new VspBspViewCellsManager(mViewCellsTree, mVspBspTree);
         }
@@ -950 +1036 @@
                 if (vit == mViewCells.end())
                         cout << "error: view cell " << viewCellId << " not found" << endl;
-
+        
                 VspViewCell *viewCell = dynamic_cast<VspViewCell *>(*vit);
-        
+                
                 if (viewCell->GetId() == viewCellId)
                 {
@@ -964 +1050 @@
         }
         else
-        {
+        {       
                 // add to invalid view space
                 leaf->SetViewCell(mVspTree->GetOrCreateOutOfBoundsCell());
@@ -986 +1072 @@
                 if (attrName == "plane") 
                 {
-                        sscanf(ptr, "%d %f", &plane.mAxis, &plane.mPosition);
+                        sscanf(ptr, "%f %d", &plane.mPosition, &plane.mAxis);
                 }
         }
@@ -994 +1080 @@
         if (mCurrentVspNode) // replace NULL child of parent with current node
         {
-                VspInterior *current = dynamic_cast<VspInterior *>(mCurrentVspNode);
-
-                current->ReplaceChildLink(NULL, interior);
-                interior->SetParent(current);
+                VspInterior *parent = dynamic_cast<VspInterior *>(mCurrentVspNode);
+
+                parent->ReplaceChildLink(NULL, interior);
+                interior->SetParent(parent);
+                
+                AxisAlignedBox3 frontBox, backBox;
+
+                parent->GetBoundingBox().Split(parent->GetPlane().mAxis, parent->GetPlane().mPosition, frontBox, backBox);
+                if (parent->GetFront() == interior)
+                        interior->SetBoundingBox(frontBox);
+                else
+                        interior->SetBoundingBox(backBox);
         }
         else
         {
                 mVspTree->mRoot = interior;
+                interior->SetBoundingBox(mVspTree->GetBoundingBox());
         }
 
@@ -1021 +1116 @@
                 if (attrName == "plane") 
                 {
-                        sscanf(ptr, "%d %f",
-                                   &plane.mAxis, &plane.mPosition);
+                        sscanf(ptr, "%f %d", &plane.mPosition, &plane.mAxis);
                 }
         }
@@ -1031 +1125 @@
         interior->mPosition = plane.mPosition;
 
-        if (mCurrentKdNode) // replace NULL child of parent with current node
-        {
-                KdInterior *parent = dynamic_cast<KdInterior *>(mCurrentKdNode);
+        if (mCurrentOspNode) // replace NULL child of parent with current node
+        {
+                KdInterior *parent = dynamic_cast<KdInterior *>(mCurrentOspNode);
                 parent->ReplaceChildLink(NULL, interior);
                 interior->mParent = parent;
+
+                AxisAlignedBox3 frontBox, backBox;
+
+                parent->mBox.Split(parent->mAxis, parent->mPosition, frontBox, backBox);
+                if (parent->mFront == interior)
+                        interior->mBox = frontBox;
+                else
+                        interior->mBox = backBox;
         }
         else
         {
                 mHierarchyManager->mOspTree->mRoot = interior;
-        }
-
-        mCurrentKdNode = interior;
+                interior->mBox = mHierarchyManager->mOspTree->mBoundingBox;
+        }
+
+        mCurrentOspNode = interior;
 }
 
@@ -1049 +1152 @@
 {
         KdLeaf * leaf = 
-                new KdLeaf(dynamic_cast<KdInterior *>(mCurrentKdNode), NULL);
-
-        if (mCurrentKdNode) // replace front or (if not NULL) back child
-        {
-                dynamic_cast<KdInterior *>(mCurrentKdNode)->ReplaceChildLink(NULL, leaf);
+                new KdLeaf(dynamic_cast<KdInterior *>(mCurrentOspNode), NULL);
+
+        if (mCurrentOspNode) // replace front or (if not NULL) back child
+        {
+                dynamic_cast<KdInterior *>(mCurrentOspNode)->ReplaceChildLink(NULL, leaf);
         }
         else
@@ -1063 +1166 @@
 
 void ViewCellsParseHandlers::StartBvhLeaf(AttributeList& attributes)
-{/*
-        KdLeaf * leaf = 
-                new KdLeaf(dynamic_cast<KdInterior *>(mCurrentKdNode), NULL);
-
-        if (mCurrentKdNode) // replace front or (if not NULL) back child
-        {
-                dynamic_cast<KdInterior *>(mCurrentKdNode)->ReplaceChildLink(NULL, leaf);
-        }
-        else
-        {
-                mHierarchyManager->mBvHierarchy->mRoot = leaf;
-        }*/
-}
-
-
-void ViewCellsParseHandlers::StartBvhInterior(AttributeList& attributes)
-{/*
-        AxisAlignedPlane plane;
-        int len = attributes.getLength();
+{
+        const int len = attributes.getLength();
+        Vector3 minBox, maxBox;
+
+        ObjectContainer objects;
 
         for (int i = 0; i < len; ++ i) 
@@ -1089 +1178 @@
                 const char *ptr = attrValue.LocalForm();
 
-                if (attrName == "plane") 
-                {
-                        sscanf(ptr, "%d %f",
-                                   &plane.mAxis, &plane.mPosition);
-                }
-        }
-
-        KdInterior* interior = new KdInterior(NULL);
-        
-        interior->mAxis = plane.mAxis;
-        interior->mPosition = plane.mPosition;
-
-        if (mCurrentKdNode) // replace NULL child of parent with current node
-        {
-                KdInterior *parent = dynamic_cast<KdInterior *>(mCurrentKdNode);
+                if (attrName == "min") 
+                {
+                        sscanf(ptr, "%f %f %f", &minBox);
+                }
+                if (attrName == "max") 
+                {
+                        sscanf(ptr, "%f %f %f", &maxBox);
+                }
+                if (attrName == "objects")
+                {
+                        StartBvhLeafObjects(objects, ptr);
+                }
+        }
+
+        BvhLeaf * leaf = 
+                new BvhLeaf(AxisAlignedBox3(minBox, maxBox), 
+                                        dynamic_cast<BvhInterior *>(mCurrentBvhNode), (int)objects.size());
+
+        leaf->mObjects = objects;
+
+        if (mCurrentBvhNode) // replace front or (if not NULL) back child
+        {
+                dynamic_cast<BvhInterior *>(mCurrentBvhNode)->ReplaceChildLink(NULL, leaf);
+        }
+        else
+        {
+                mHierarchyManager->mBvHierarchy->mRoot = leaf;
+        }
+}
+
+
+void ViewCellsParseHandlers::StartBvhLeafObjects(ObjectContainer &objects, 
+                                                                                                 const char *ptr)
+{
+        vector<int> objIndices;
+
+        char *endptr;
+                        
+        while (1)
+        {
+                const int index = strtol(ptr, &endptr, 10);
+
+                if (ptr == endptr) break;
+
+                objIndices.push_back(index);
+
+                ptr = endptr;
+        }
+
+        //TODO: find objects and add them to pvs
+        // TODO: get view cell with specified id
+        MeshInstance dummyInst(NULL);
+
+        vector<int>::const_iterator it, it_end = objIndices.end();
+
+        for (it = objIndices.begin(); it != it_end; ++ it)
+        {
+                const int objId = *it;  
+                dummyInst.SetId(objId);
+
+                ObjectContainer::iterator oit =
+                        lower_bound(mObjects->begin(), mObjects->end(), (Intersectable *)&dummyInst, ilt);      
+                                                        
+                if ((oit != mObjects->end()) && ((*oit)->GetId() == objId))
+                {
+                        objects.push_back(*oit);        
+                }
+                else
+                {
+                        cout << "error: object with id " << objId << " does not exist" << endl;
+                }
+        }
+}
+
+
+void ViewCellsParseHandlers::StartBvhInterior(AttributeList& attributes)
+{
+        const int len = attributes.getLength();
+        Vector3 minBox, maxBox;
+
+        for (int i = 0; i < len; ++ i) 
+        {
+                string attrName(StrX(attributes.getName(i)).LocalForm());
+                StrX attrValue(attributes.getValue(i));
+                const char *ptr = attrValue.LocalForm();
+
+                if (attrName == "min") 
+                {
+                        sscanf(ptr, "%f %f %f", &minBox);
+                }
+                if (attrName == "max") 
+                {
+                        sscanf(ptr, "%f %f %f", &maxBox);
+                }
+        }
+
+        BvhInterior* interior = new BvhInterior(AxisAlignedBox3(minBox, maxBox));
+
+        if (mCurrentBvhNode) // replace NULL child of parent with current node
+        {
+                BvhInterior *parent = dynamic_cast<BvhInterior *>(mCurrentBvhNode);
                 parent->ReplaceChildLink(NULL, interior);
-                interior->mParent = parent;
+                interior->SetParent(parent);
         }
         else
         {
-                mOspTree->mRoot = interior;
-        }
-
-        mCurrentKdNode = interior;*/
-}
-
+                mBvHierarchy->mRoot = interior;
+        }
+
+        mCurrentBvhNode = interior;
+}
 
 

GTP/trunk/Lib/Vis/Preprocessing/src/ViewCellsParserXerces.h

@@ -24 +24 @@
 class OspTree;
 class VspNode;
+class BvhNode;
 class BvHierarchy;
 class HierarchyManager;
@@ -83 +84 @@
 
   BspNode *mCurrentBspNode;
+  BvhNode *mCurrentBvhNode;
+  KdNode *mCurrentOspNode;
   VspNode *mCurrentVspNode;
+  //KdNode *mCurrentKdNode;
+
   ViewCell *mCurrentViewCell;
-  KdNode *mCurrentKdNode;
-  
+    
   BspNode *mBspRoot;
   VspNode *mVspRoot;
@@ -101 +105 @@
   int mCurrentState;
   
-  enum {PARSE_OPTIONS, PARSE_VIEWCELLS, PARSE_VIEWSPACE_HIERARCHY, PARSE_OBJECTSPACE_HIERARCHY};
+  enum {
+          PARSE_OPTIONS, 
+          PARSE_VIEWCELLS, 
+          PARSE_VIEWSPACE_HIERARCHY, 
+          PARSE_OBJECTSPACE_HIERARCHY};
 
   /// view space / object space hierarchy types
@@ -118 +126 @@
   void EndVspInterior();
 
-  void ParseViewCellPvs(ViewCell *viewCell, AttributeList&  attributes);
+  void StartViewCellPvs(ViewCell *viewCell, AttributeList&  attributes);
   void EndViewCells();
   void EndBoundingBoxes();
@@ -150 +158 @@
   void StartBvhElement(string element, AttributeList& attributes);
 
+  void EndViewSpaceHierarchyInterior();
+  void EndObjectSpaceHierarchyInterior();
+
+  void EndBvhInterior();
+  void EndOspInterior();
+
+  void EndObjectSpaceHierarchy();
+
+  void StartBvhLeafObjects(ObjectContainer &objects, const char *ptr);
 
   // -----------------------------------------------------------------------

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

@@ -2759 +2759 @@
 
         if (parent->GetFront() == node)
-      box.SetMin(parent->GetAxis(), parent->GetPosition());
+                box.SetMin(parent->GetAxis(), parent->GetPosition());
     else
-      box.SetMax(parent->GetAxis(), parent->GetPosition());
+                box.SetMax(parent->GetAxis(), parent->GetPosition());
 
         return box;