Changeset 1900 for GTP/trunk/Lib/Vis/Preprocessing/src/SamplingStrategy.h

Timestamp:

12/15/06 23:40:27 (18 years ago)

Author:

bittner

Message:

experiments with different contribution computations

File:

• GTP/trunk/Lib/Vis/Preprocessing/src/SamplingStrategy.h (modified) (3 diffs)

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

@@ -57 +57 @@
 
         virtual bool GenerateSample(SimpleRay &ray) = 0;
-  
+
+  // true if the strategy keeps pointers to rays and thus they should get deleted
+  // outside, in that case the strategy has to use reference counting and deleting the rays
+  // by itself if the number of references drops to zero
+  virtual bool RequiresRays() { return false; }
 
 
@@ -70 +74 @@
 public:
 
-        /// variables usefull for mixed distribution sampling
-        int mType;
-        int mRays;
-        float mContribution;
-
-        int mTotalRays;
-        float mTotalContribution;
-
-        float mTime;
-        float mRatio;
+  /// variables usefull for mixed distribution sampling
+  int mType;
+  int mRays;
+  float mContribution;
+  
+  int mTotalRays;
+  float mTotalContribution;
+  
+  float mTime;
+  float mRatio;
 
 protected:
@@ -273 +277 @@
   Construct(char *str);
 
+  virtual bool RequiresRays() {
+        for (int i=0; i < mDistributions.size(); i++)
+          if (mDistributions[i]->RequiresRays())
+                return true;
+        return false;
+  }
+
 private: