Changeset 1022 for GTP/trunk/Lib/Vis/Preprocessing/src

Timestamp:

06/19/06 17:07:49 (19 years ago)

Author:

mattausch

Message:

 

Location:

GTP/trunk/Lib/Vis/Preprocessing/src

Files:

• Preprocessor.cpp (modified) (2 diffs)
• Preprocessor.h (modified) (4 diffs)
• ViewCellsManager.cpp (modified) (4 diffs)
• ViewCellsManager.h (modified) (1 diff)
• ViewCellsParser.cpp (modified) (3 diffs)
• ViewCellsParserXerces.h (modified) (2 diffs)
• VspOspTree.cpp (modified) (1 diff)

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

@@ -13 +13 @@
 #include "PlyParser.h"
 #include "SamplingStrategy.h"
+#include "VspOspTree.h"
 
 
@@ -433 +434 @@
                 mViewCellsManager = new VspBspViewCellsManager(mVspBspTree);
         }
-#if 0
         else if (strcmp(name, "vspOspTree") == 0)
         {
-                mVspOspTree = new VspOspTree();         
-                mViewCellsManager = new VspOspViewCellsManager(mVspOspTree);
-        }
-#endif
+                mVspTree = new VspTree();
+                mOspTree = new OspTree();
+
+                mViewCellsManager = new VspOspViewCellsManager(mVspTree, mOspTree);
+        }
         else if (strcmp(name, "sceneDependent") == 0)
         {

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

@@ -22 +22 @@
 struct VssRayContainer;
 class SamplingStrategy;
-
 class GlRendererBuffer;
+class VspTree;
+class OspTree;
 
 /** Namespace for the external visibility preprocessor
@@ -134 +135 @@
           VssRayContainer &vssRays) {};
 
+  /** Returns a view cells manager with respect to the given name.
+  */
   ViewCellsManager *CreateViewCellsManager(const char *name);
 
@@ -144 +147 @@
   /// kD-tree organizing the scene graph (occluders + occludees) + viewcells
   KdTree *mKdTree;
-  
   /// View space partition bsp tree
   VspBspTree *mVspBspTree;
+  // view space partition tree
+  VspTree *mVspTree;
+  /// object space partition tree
+  OspTree *mOspTree;
+  /// BSP tree representing the viewcells
+  BspTree *mBspTree;
+
+
   /// list of all loaded occluders
   ObjectContainer mOccluders;
@@ -152 +162 @@
   ObjectContainer mOccludees;
    
-  /// BSP tree representing the viewcells
-  BspTree *mBspTree;
-
+  
   ViewCellsManager *mViewCellsManager;
 

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

@@ -113 +113 @@
                 mSamplingType = Preprocessor::DIRECTION_BASED_DISTRIBUTION;
         }
-        else if (strcmp(buf, "interior") == 0)
+        else if (strcmp(buf, "object_directional") == 0)
+        {
+                mSamplingType = Preprocessor::OBJECT_DIRECTION_BASED_DISTRIBUTION;
+        }
+        /*else if (strcmp(buf, "interior") == 0)
         {
                 mSamplingType = Preprocessor::OBJECTS_INTERIOR_DISTRIBUTION;
-        }
-        else if (strcmp(buf, "object_directional") == 0)
-        {
-                mSamplingType = Preprocessor::OBJECT_DIRECTION_BASED_DISTRIBUTION;
-        }
+        }*/
         else
         {
@@ -142 +142 @@
                 mEvaluationSamplingType = Preprocessor::OBJECT_DIRECTION_BASED_DISTRIBUTION;
         }
-        else if (strcmp(buf, "interior") == 0)
+        /*else if (strcmp(buf, "interior") == 0)
         {
                 mEvaluationSamplingType = Preprocessor::OBJECTS_INTERIOR_DISTRIBUTION;
-        }
+        }*/
         else
         {
@@ -2358 +2358 @@
 
 
-
-
 void ViewCellsManager::ExportColor(Exporter *exporter, ViewCell *vc) const
 {
@@ -2423 +2421 @@
 
 
+void ViewCellsManager::CollectMergeCandidates(const VssRayContainer &rays, 
+                                                                                          vector<MergeCandidate> &candidates)
+{
+        // implemented in subclasses
+}
+
 /**********************************************************************/
 /*                 BspViewCellsManager implementation                 */

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

@@ -368 +368 @@
 
         virtual void CollectMergeCandidates(const VssRayContainer &rays, 
-                                                                                vector<MergeCandidate> &candidates) = 0;
+                                                                                vector<MergeCandidate> &candidates);
 
         void CollectViewCells(const int n);

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

@@ -30 +30 @@
 #include "ViewCellsManager.h"
 #include "GzFileInputSource.h"
+#include "VspOspTree.h"
+
 
 namespace GtpVisibilityPreprocessor {
@@ -621 +623 @@
                 mViewCellsManager = new BspViewCellsManager(mBspTree);
         }
-        else // vspBspTree
+        else if (strcmp(name, "vspBspTree") == 0) // 
         {
                 Debug << "view cell type: VspBsp" << endl;
@@ -631 +633 @@
                 mVspBspTree->mBox = mViewSpaceBox;
         }
+        else if (strcmp(name, "vspOspTree") == 0)
+        {
+                Debug << "view cell type: VspOsp" << endl;
+
+                mVspTree = new VspTree();
+                mOspTree = new OspTree();
+
+                //mCurrentBspNode = mVspBspTree->GetRoot();
+                mViewCellsManager = new VspOspViewCellsManager(mVspTree, mOspTree);
+
+                mVspTree->mBoundingBox = mViewSpaceBox;
+        }
+
 
         mViewCellsTree = mViewCellsManager->GetViewCellsTree();

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

@@ -21 +21 @@
 class ViewCellsManager;
 class ViewCellsTree;
+class VspTree;
+class OspTree;
+
+
 
 class ViewCellsParseHandlers: public HandlerBase
@@ -69 +73 @@
 
   VspBspTree *mVspBspTree;
+  VspTree *mVspTree;
+  OspTree *mOspTree;
+
   BspTree *mBspTree;
   ViewCellsTree *mViewCellsTree;

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

@@ -2310 +2310 @@
 /*****************************************************************/
 
+OspTree::OspTree():
+mRoot(NULL)
+#if TODO
+mOutOfBoundsCell(NULL),
+mStoreRays(false),
+mUseRandomAxis(false),
+mTimeStamp(1)
+#endif
+{
+#if TODO
+        bool randomize = false;
+        Environment::GetSingleton()->GetBoolValue("VspTree.Construction.randomize", randomize);
+        if (randomize)
+                Randomize(); // initialise random generator for heuristics
+
+        //-- termination criteria for autopartition
+        Environment::GetSingleton()->GetIntValue("VspTree.Termination.maxDepth", mTermMaxDepth);
+        Environment::GetSingleton()->GetIntValue("VspTree.Termination.minPvs", mTermMinPvs);
+        Environment::GetSingleton()->GetIntValue("VspTree.Termination.minRays", mTermMinRays);
+        Environment::GetSingleton()->GetFloatValue("VspTree.Termination.minProbability", mTermMinProbability);
+        Environment::GetSingleton()->GetFloatValue("VspTree.Termination.maxRayContribution", mTermMaxRayContribution);
+        Environment::GetSingleton()->GetFloatValue("VspTree.Termination.maxCostRatio", mTermMaxCostRatio);
+        Environment::GetSingleton()->GetIntValue("VspTree.Termination.missTolerance", mTermMissTolerance);
+        Environment::GetSingleton()->GetIntValue("VspTree.Termination.maxViewCells", mMaxViewCells);
+
+        //-- max cost ratio for early tree termination
+        Environment::GetSingleton()->GetFloatValue("VspTree.Termination.maxCostRatio", mTermMaxCostRatio);
+
+        Environment::GetSingleton()->GetFloatValue("VspTree.Termination.minGlobalCostRatio", mTermMinGlobalCostRatio);
+        Environment::GetSingleton()->GetIntValue("VspTree.Termination.globalCostMissTolerance", mTermGlobalCostMissTolerance);
+
+        // HACK//mTermMinPolygons = 25;
+
+        //-- factors for bsp tree split plane heuristics
+        Environment::GetSingleton()->GetFloatValue("VspTree.Termination.ct_div_ci", mCtDivCi);
+
+        //-- partition criteria
+        Environment::GetSingleton()->GetFloatValue("VspTree.Construction.epsilon", mEpsilon);
+
+        // if only the driving axis is used for axis aligned split
+        Environment::GetSingleton()->GetBoolValue("VspTree.splitUseOnlyDrivingAxis", mOnlyDrivingAxis);
+        
+        //Environment::GetSingleton()->GetFloatValue("VspTree.maxTotalMemory", mMaxTotalMemory);
+        Environment::GetSingleton()->GetFloatValue("VspTree.maxStaticMemory", mMaxMemory);
+
+        Environment::GetSingleton()->GetBoolValue("VspTree.useCostHeuristics", mUseCostHeuristics);
+        Environment::GetSingleton()->GetBoolValue("VspTree.simulateOctree", mCirculatingAxis);
+        Environment::GetSingleton()->GetBoolValue("VspTree.useRandomAxis", mUseRandomAxis);
+        Environment::GetSingleton()->GetIntValue("VspTree.nodePriorityQueueType", mNodePriorityQueueType);
+        
+        char subdivisionStatsLog[100];
+        Environment::GetSingleton()->GetStringValue("VspTree.subdivisionStats", subdivisionStatsLog);
+        mSubdivisionStats.open(subdivisionStatsLog);
+
+        Environment::GetSingleton()->GetFloatValue("VspTree.Construction.minBand", mMinBand);
+        Environment::GetSingleton()->GetFloatValue("VspTree.Construction.maxBand", mMaxBand);
+        
+
+        //-- debug output
+
+        Debug << "******* VSP BSP options ******** " << endl;
+    Debug << "max depth: " << mTermMaxDepth << endl;
+        Debug << "min PVS: " << mTermMinPvs << endl;
+        Debug << "min probabiliy: " << mTermMinProbability << endl;
+        Debug << "min rays: " << mTermMinRays << endl;
+        Debug << "max ray contri: " << mTermMaxRayContribution << endl;
+        Debug << "max cost ratio: " << mTermMaxCostRatio << endl;
+        Debug << "miss tolerance: " << mTermMissTolerance << endl;
+        Debug << "max view cells: " << mMaxViewCells << endl;
+        Debug << "randomize: " << randomize << endl;
+
+        Debug << "min global cost ratio: " << mTermMinGlobalCostRatio << endl;
+        Debug << "global cost miss tolerance: " << mTermGlobalCostMissTolerance << endl;
+        Debug << "only driving axis: " << mOnlyDrivingAxis << endl;
+        Debug << "max memory: " << mMaxMemory << endl;
+        Debug << "use cost heuristics: " << mUseCostHeuristics << endl;
+        Debug << "subdivision stats log: " << subdivisionStatsLog << endl;
+        Debug << "use random axis: " << mUseRandomAxis << endl;
+        Debug << "priority queue type: " << mNodePriorityQueueType << endl;
+        Debug << "circulating axis: " << mCirculatingAxis << endl;
+        Debug << "minband: " << mMinBand << endl;
+        Debug << "maxband: " << mMaxBand << endl;
+        
+
+        mSplitCandidates = new vector<SortableEntry>;
+
+        Debug << endl;
+#endif
+}
+
+
 
 void OspTree::SplitObjects(const AxisAlignedPlane & splitPlane,