https://community.intel.com/t5/Intel-Embree-Ray-Tracing-Kernels/iterating-over-leaf-nodes/m-p/801512#M127 Have a look at this function:<BR /><BR /><STYLE type="text/css">&lt;!-- p, li { white-space: pre-wrap; } --&gt;</STYLE> <PRE>float BVH4<T>::computeStatistics(nodeId_t nodeID, float ap)</T></PRE><BR />check what it does to collect statistics by traversing the tree. <BR />You cannot loop torugh the triangle4 array directly, it might contain unused, uninitialized items in the middle.<BR /><BR />Cheers,<BR />Max Fri, 15 Jun 2012 11:16:00 GMT Max_Liani 2012-06-15T11:16:00Z https://community.intel.com/t5/Intel-Embree-Ray-Tracing-Kernels/iterating-over-leaf-nodes/m-p/801511#M126 Hi,<DIV></DIV><DIV>Is there a way to iterate over all leaf nodes (leaf nodes only) in the BVH tree to access some parameters (such as size, id1, id2, etc)?</DIV><DIV></DIV><DIV>I'm trying to write a function that loops over leaf nodes in the tree and extracts some properties of these nodes, but kinda lost so far.</DIV><DIV></DIV><DIV>any hints and directions are greatly appreciated.</DIV><DIV></DIV><DIV>Thank you!</DIV><DIV></DIV><DIV></DIV> Fri, 15 Jun 2012 07:08:26 GMT https://community.intel.com/t5/Intel-Embree-Ray-Tracing-Kernels/iterating-over-leaf-nodes/m-p/801511#M126 khalidsalman 2012-06-15T07:08:26Z https://community.intel.com/t5/Intel-Embree-Ray-Tracing-Kernels/iterating-over-leaf-nodes/m-p/801512#M127 Have a look at this function:<BR /><BR /><STYLE type="text/css">&lt;!-- p, li { white-space: pre-wrap; } --&gt;</STYLE> <PRE>float BVH4<T>::computeStatistics(nodeId_t nodeID, float ap)</T></PRE><BR />check what it does to collect statistics by traversing the tree. <BR />You cannot loop torugh the triangle4 array directly, it might contain unused, uninitialized items in the middle.<BR /><BR />Cheers,<BR />Max Fri, 15 Jun 2012 11:16:00 GMT https://community.intel.com/t5/Intel-Embree-Ray-Tracing-Kernels/iterating-over-leaf-nodes/m-p/801512#M127 Max_Liani 2012-06-15T11:16:00Z