Changeset 881

Timestamp:

05/03/06 09:40:01 (18 years ago)

Author:

mattausch

Message:

changing concept of active view cells

Location:

GTP/trunk/Lib/Vis/Preprocessing/src

Files:

• ViewCell.cpp (modified) (9 diffs)
• ViewCell.h (modified) (9 diffs)
• ViewCellBsp.h (modified) (1 diff)
• ViewCellsManager.cpp (modified) (1 diff)
• ViewCellsParser.cpp (modified) (2 diffs)

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

@@ -143 +143 @@
 mParent(NULL),
 mMergeCost(0),
-mIsActive(false),
 mPvsSize(0),
 mPvsSizeValid(false)
@@ -157 +156 @@
 mParent(NULL),
 mMergeCost(0),
-mIsActive(false),
-mLastUpdated(sLastUpdated),
 mPvsSize(0),
 mPvsSizeValid(false)
@@ -278 +275 @@
         return mMergeCost;
 }
-
-
-void ViewCell::SetActive()
-{
-        mIsActive = true;
-        mLastUpdated = sLastUpdated;
-}
-
-
-bool ViewCell::IsActive() const
-{
-        return mIsActive  && (mLastUpdated == sLastUpdated);
-}
-
 
 /************************************************************************/
@@ -342 +325 @@
                 mChildren.erase(it);
 }
-
 
 
@@ -539 +521 @@
         //static float expectedValue = pvsStats.avgPvs;
         
-        // the current view cells are kept in this container
-        // we start with the current view cells from the view cell manager. 
-        // The active view cells will change with subsequent merges
+        //-- the current view cells are kept in this container
+        //-- we start with the current view cells from the view cell manager. 
+        //-- The active view cells will change with subsequent merges
         
         // todo: should rather take initial view cells
@@ -582 +564 @@
         //-- use priority queue to merge leaf pairs
 
-        //const float maxAvgCost = 350;
-        while (!mMergeQueue.empty())//nmNumActiveViewCells > mMergeMinViewCells))
+        while (!mMergeQueue.empty())
         {
                 //-- reset merge queue if the ratio of current expected cost / real expected cost
@@ -1815 +1796 @@
 
 
-ViewCell *ViewCellsTree::GetActiveViewCell(ViewCell *vc) const
-{
-        while (vc->GetParent() && !vc->IsActive())
-        {
-                vc = vc->GetParent();
-        }
-
-        return vc;
+ViewCell *ViewCellsTree::GetActiveViewCell(ViewCellLeaf *vc) const
+{
+        return vc->GetActiveViewCell();
 }
 
@@ -2020 +1996 @@
                 stream << "<Leaf ";
                 stream << "id=\"" << viewCell->GetId() << "\" ";
-                stream << "active=\"" << viewCell->IsActive() << "\" ";
+                stream << "active=\"" << dynamic_cast<ViewCellLeaf *>(viewCell)->GetActiveViewCell()->GetId() << "\" ";
                 stream << "mergecost=\"" << viewCell->GetMergeCost() << "\" ";
                 stream << "pvs=\"";
@@ -2037 +2013 @@
                 stream << "<Interior ";
                 stream << "id=\"" << viewCell->GetId() << "\" ";
-                stream << "active=\"" << viewCell->IsActive() << "\" ";
                 stream << "mergecost=\"" << viewCell->GetMergeCost() << "\" ";
                 stream << "pvs=\"";

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

@@ -22 +22 @@
 class MergeCandidate;
 class ViewCellsManager;
+class ViewCellLeaf;
 
 /** Statistics for a view cell partition.
@@ -217 +218 @@
 
 
-        /** Sets this view cell to be an active view cell.
-        */
-        void SetActive();
-        /** Returns if this view cell is active.
-        */
-        bool IsActive() const;
-
 
         // last mail id -> warning not thread safe!
@@ -230 +224 @@
         static int sReservedMailboxes;
 
-        static int sLastUpdated;
         
 protected:
@@ -244 +237 @@
         bool mValid;
 
-        int mLastUpdated;
-        bool mIsActive;
-        /** color used for consistent visualization */
+        /// color used for consistent visualization
         RgbColor mColor;
 
@@ -252 +243 @@
         /// pvs size, used for lazy pvs computation
         int mPvsSize;
+        /// if the given pvs size is the real pvs size
         bool mPvsSizeValid;
 
@@ -287 +279 @@
 };
 
+
 /**
-        View cell belonging to a hierarchy.
+        Leaf of the view cell.
 */
-template<typename T>
 class ViewCellLeaf: public ViewCell
 {
 public:
-
-        ViewCellLeaf<T>(): mLeaf(NULL) { SetActive(); }
-        ViewCellLeaf<T>(Mesh *mesh):
-        ViewCell(mesh), mLeaf(NULL) { SetActive(); }
-        
+        ViewCellLeaf()  {  mActiveViewCell = this; }
+        ViewCellLeaf(Mesh *mesh):
+        ViewCell(mesh) { mActiveViewCell = this; }
 
         bool IsLeaf() const
@@ -304 +294 @@
                 return true;
         }
+
+        /** Returns if this view cell is active.
+        */
+        ViewCell *GetActiveViewCell() const 
+        { return mActiveViewCell; }
+
+        /** Sets this view cell to be an active view cell.
+        */
+        void SetActiveViewCell(ViewCell *vc)
+        { mActiveViewCell = vc;}
+
+        
+        /// points to the currently active view cell.
+        ViewCell *mActiveViewCell;
+};
+
+/**
+        Leaf of the view cell hierarchy corresponding to a leaf in a spatial hierarchy.
+*/
+template<typename T>
+class HierarchyLeafViewCell: public ViewCellLeaf
+{
+public:
+
+        HierarchyLeafViewCell<T>(): ViewCellLeaf() {  }
+        HierarchyLeafViewCell<T>(Mesh *mesh):
+        ViewCellLeaf(mesh) {  }
+                
+
+        bool IsLeaf() const
+        {
+                return true;
+        }
+
 
         /// Leaf of some hierarchy which is part of this view cell.
@@ -310 +334 @@
 
 
-typedef ViewCellLeaf<BspLeaf *> BspViewCell;
-typedef ViewCellLeaf<KdLeaf *> KdViewCell;
-typedef ViewCellLeaf<VspKdLeaf *> VspKdViewCell;
+typedef HierarchyLeafViewCell<BspLeaf *> BspViewCell;
+typedef HierarchyLeafViewCell<KdLeaf *> KdViewCell;
+typedef HierarchyLeafViewCell<VspKdLeaf *> VspKdViewCell;
 
 
@@ -399 +423 @@
         /** Returns active view cell that is in the path of this view cell.
         */
-        ViewCell *GetActiveViewCell(ViewCell *vc) const;
+        ViewCell *GetActiveViewCell(ViewCellLeaf *vc) const;
 
         /** Sets the leaves to be the currently active view cells.

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

@@ -23 +23 @@
 class ViewCellsManager;
 class ViewCellsTree;
+class ViewCellLeaf;
 
 class BspNodeGeometry

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

@@ -1873 +1873 @@
 {
         ++ ViewCell::sLastUpdated;
+
         ViewCellContainer::const_iterator it, it_end = mViewCells.end();
         for (it = mViewCells.begin(); it != it_end; ++ it)
         {
-                (*it)->SetActive();
+                ViewCellContainer leaves;
+                mViewCellsTree->CollectLeaves(*it, leaves);
+
+                ViewCellContainer::const_iterator lit, lit_end = leaves.end();
+                for (lit = mViewCells.begin(); lit != lit_end; ++ lit)
+                {
+                        dynamic_cast<ViewCellLeaf *>(*lit)->SetActiveViewCell(*it);
+                }
         }
 }

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

@@ -324 +324 @@
                         viewCell->SetId(id);
                 }
-                else if (attrName == "active")
+                /*else if (attrName == "active")
                 {
                         StrX attrValue(attributes.getValue(i));
@@ -334 +334 @@
                         if (isActive)
                                 viewCell->SetActive();
-                }
+                }*/
                 else if (attrName == "mergecost")
                 {