Changeset 726 for GTP/trunk/Lib/Vis/Preprocessing/src

Timestamp:

04/04/06 23:55:38 (18 years ago)

Author:

mattausch

Message:

improved performance of TerrainSceneManager?
revisit octreescenemanager

Location:

GTP/trunk/Lib/Vis/Preprocessing/src

Files:

• UnigraphicsParser.cpp (modified) (1 diff)
• ViewCellBsp.cpp (modified) (2 diffs)
• ViewCellsManager.cpp (modified) (5 diffs)
• VspBspTree.cpp (modified) (13 diffs)
• X3dExporter.cpp (modified) (1 diff)
• X3dParser.cpp (modified) (2 diffs)

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

@@ -156 +156 @@
       
       currentMesh->AddFace(face);
-      if (meshGrouping != 0 &&
-                                        currentMesh->mFaces.size() >=  meshGrouping) {
+      if (meshGrouping != 0 && currentMesh->mFaces.size() >=  meshGrouping) {
                 if (ROTATE_SCENE)
                         RotateMesh(currentMesh);

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

@@ -2441 +2441 @@
                 {
                         geom.Add(candidatePolys[i], candidatePlanes[i]);
-                        //      geom.mPolys.push_back(candidates[i]);
                 }
         }
@@ -2456 +2455 @@
 
 
-int BspTree::FindNeighbors(BspNode *n, vector<BspLeaf *> 
-                                                   &neighbors,
+int BspTree::FindNeighbors(BspNode *n, 
+                                                   vector<BspLeaf *> &neighbors,
                                                    const bool onlyUnmailed) const
 {

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

@@ -2104 +2104 @@
         {
                 exporter->ExportMesh(vc->GetMesh());
+        
                 return;
         }
 
+        
+        if (clipPlane)
+        {
+                ViewCellContainer leaves;
+                mViewCellsTree->CollectLeaves(vc, leaves);
+                ViewCellContainer::const_iterator it, it_end = leaves.end();
+
+                for (it = leaves.begin(); it != it_end; ++ it)
+                {
+                        BspNodeGeometry geom;
+
+                        BspNodeGeometry front;
+                        BspNodeGeometry back;
+
+                        BspLeaf *leaf = dynamic_cast<BspViewCell *>(*it)->mLeaf;
+                        mBspTree->ConstructGeometry(leaf, geom);
+
+                        const float eps = 0.00000001f;
+                        const int cf = geom.Side(*clipPlane, eps);
+
+                        if (cf == -1)
+                        {
+                                exporter->ExportPolygons(geom.GetPolys());
+                        }
+                        else if (cf == 0)
+                        {
+                                geom.SplitGeometry(front,
+                                                                   back,
+                                                                   *clipPlane,
+                                                                   mViewSpaceBox, 
+                                                                   eps);
+        
+                                //Debug << "geo size: " << geom.Size() << endl;
+                                //Debug << "size b: " << back.Size() << " f: " << front.Size() << endl;
+                                if (back.Valid())
+                                {
+                                        exporter->ExportPolygons(back.GetPolys());
+                                }                       
+                        }
+                }
+        }
+        else
+        {
+                BspNodeGeometry geom;
+                mBspTree->ConstructGeometry(vc, geom);
+                        
+                exporter->ExportPolygons(geom.GetPolys());
+        }
+}
+
+
+void BspViewCellsManager::CreateMesh(ViewCell *vc)
+{
+        // delete previous mesh
+        ///DEL_PTR(vc->GetMesh());
         BspNodeGeometry geom;
         mBspTree->ConstructGeometry(vc, geom);
 
-        if (clipPlane)
-        {
-                const int cf = Polygon3::ClassifyPlane(geom.GetPolys(), *clipPlane, 0.0001f);
-
-                if (cf == Polygon3::BACK_SIDE)
-                {
-                        exporter->ExportPolygons(geom.GetPolys());
-                }
-                else if (cf == Polygon3::SPLIT)
-                {
-                        BspNodeGeometry front;
-                        BspNodeGeometry back;
-
-                        geom.SplitGeometry(front,
-                                                           back,
-                                                           *clipPlane,
-                                                           mViewSpaceBox, 
-                                                           0.0001f);
-
-                        if (back.Valid())
-                                exporter->ExportPolygons(back.GetPolys());
-                }
-        }
-        else
-        {
-                exporter->ExportPolygons(geom.GetPolys());
-        }
-}
-
-
-void BspViewCellsManager::CreateMesh(ViewCell *vc)
-{
-        if (vc->GetMesh())
-                delete vc->GetMesh();
-
-        BspNodeGeometry geom;
-        
-        mBspTree->ConstructGeometry(vc, geom);
-
         Mesh *mesh = new Mesh();
+
         geom.AddToMesh(*mesh);
         vc->SetMesh(mesh);
+        // put mesh into mesh container so we can savely delete it
         mMeshContainer.push_back(mesh);
 }
@@ -2785 +2804 @@
 }
 
+
 void VspKdViewCellsManager::Visualize(const ObjectContainer &objects,
                                                                           const VssRayContainer &sampleRays)
@@ -2882 +2902 @@
         Exporter *exporter = Exporter::GetExporter("vspkdtree_merged.x3d");
 
-        //if (exportGeometry) exporter->SetWireframe();
-        //else exporter->SetFilled();
 
         ExportViewCellsForViz(exporter);
@@ -4000 +4018 @@
 void VspBspViewCellsManager::CreateMesh(ViewCell *vc)
 {
-        if (vc->GetMesh())
-                delete vc->GetMesh();
-
-        
+        //if (vc->GetMesh()) delete vc->GetMesh();
         BspNodeGeometry geom;
 
@@ -4011 +4026 @@
         geom.AddToMesh(*mesh);
         vc->SetMesh(mesh);
+        // put mesh into mesh container so we can savely delete it
         mMeshContainer.push_back(mesh);
 }

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

@@ -458 +458 @@
 
         EvalPriority(tData);
-        
-
-        if (mSimulateOctree)
-        tData.mAxis = 0;
+
 
         // first node is kd node, i.e. an axis aligned box
@@ -569 +566 @@
                                                           geom);
 
-        
 
         // compute first split candidate
@@ -695 +691 @@
                 VspBspTraversalData tBackData;
 
-                if (mSimulateOctree)
-                {       // choose axes in circular motion
-                        tFrontData.mAxis = (tData.mAxis + 1) % 3;
-                        tBackData.mAxis = (tData.mAxis + 1) % 3;
-                }
-
                 // create new interior node and two leaf nodes
                 // or return leaf as it is (if maxCostRatio missed)
@@ -709 +699 @@
                 Plane3 splitPlane;
                 BspLeaf *leaf = dynamic_cast<BspLeaf *>(tData.mNode);
-
+                
+                // choose next split plane
                 if (!SelectPlane(splitPlane, leaf, tData, tFrontData, tBackData, splitAxis))
                 {
@@ -722 +713 @@
                 }
         
+                // if this a valid split => subdivide this node further
                 if (splitFurther) //-- continue subdivision
                 {
@@ -732 +724 @@
 
                         tFrontData.mIsKdNode = tBackData.mIsKdNode = (tData.mIsKdNode && (splitAxis < 3));
+                        tFrontData.mAxis = tBackData.mAxis = splitAxis;
 
                         // how often was max cost ratio missed in this branch?
@@ -740 +733 @@
                         EvalPriority(tBackData);
 
+                        // evaluate subdivision stats
                         if (1)
                         {
-
                                 float cFront = (float)tFrontData.mPvs * tFrontData.mProbability;
                                 float cBack = (float)tBackData.mPvs * tBackData.mProbability;
@@ -823 +816 @@
 }
 
-
+// subdivide using a split plane queue
 BspNode *VspBspTree::Subdivide(VspBspSplitQueue &tQueue,
                                                            VspBspSplitCandidate &splitCandidate)
@@ -839 +832 @@
 
                 //-- continue subdivision
+                
                 // create new interior node and two leaf node
                 const Plane3 splitPlane = splitCandidate.mSplitPlane;
@@ -853 +847 @@
 
                 tFrontData.mIsKdNode = tBackData.mIsKdNode = (tData.mIsKdNode && (splitAxis < 3));
-                
+                tFrontData.mAxis = tBackData.mAxis = splitAxis;
+
                 // how often was max cost ratio missed in this branch?
                 tFrontData.mMaxCostMisses = maxCostMisses;
@@ -960 +955 @@
 
         // compute locally best split plane
-        bool success = SelectPlane(splitData.mSplitPlane, leaf, tData, 
+    bool success = SelectPlane(splitData.mSplitPlane, leaf, tData, 
                                                            frontData, backData, splitData.mSplitAxis);
 
@@ -1403 +1398 @@
                 sAxis = Random(3);
         else if (mSimulateOctree)
-                sAxis = tData.mAxis;
+                sAxis = (tData.mAxis + 1) % 3;
                 
         //Debug << "use special axis: " << useSpecialAxis << endl;
@@ -2012 +2007 @@
 
         const int pvsSize = data.mPvs;
-//cout << "here433" << endl;
+
         RayInfoContainer::const_iterator rit, rit_end = data.mRays->end();
 

GTP/trunk/Lib/Vis/Preprocessing/src/X3dExporter.cpp

@@ -1145 +1145 @@
                 for (oit = objects.begin(); oit != oit_end; ++ oit)
                 {
-                        if (1)
-                        {
+                        if (0)
                                 SetForcedMaterial(RandomMaterial());
-                        }
-
+                        
                         ExportIntersectable(*oit);
                 }

GTP/trunk/Lib/Vis/Preprocessing/src/X3dParser.cpp

@@ -57 +57 @@
 
 
+static void RotateMesh(Mesh *mesh)
+{
+        VertexContainer::iterator it, it_end = mesh->mVertices.end();
+
+        const float angle = 30.0f * PI / 180.0f;
+        const Matrix4x4 rot = RotationYMatrix(angle);
+
+        for (it = mesh->mVertices.begin(); it != it_end; ++ it)
+        {
+                (*it) = rot * (*it);        
+        }
+}
 
 // ---------------------------------------------------------------------------
@@ -96 +108 @@
 
 
-static void RotateMesh(Mesh *mesh)
-{
-        VertexContainer::iterator it, it_end = mesh->mVertices.end();
-
-        const float angle = 30.0f * PI / 180.0f;
-        const Matrix4x4 rot = RotationYMatrix(angle);
-
-        for (it = mesh->mVertices.begin(); it != it_end; ++ it)
-        {
-                (*it) = rot * (*it);        
-        }
-}