WMPlugins 6.6.10 Release

Announcing the release of version 6.6.10 of the WMPlugins a suite of opensource plugins that extend the opensource seismic interpretation system OpendTect. This release is built against OpendTect 6.6.7.

Continue reading

GPU vs CPU Benchmarks for OpendTect Attribute Plugins

Summary The potential to offload calculations to the graphics processing unit (GPU) on modern graphics cards is a trending topic. I was curious if this could also apply to seismic attribute calculation in OpendTect, so I implemented AVO polarization angle estimation as described by Mahob and Castagna (2003) using 3 different approaches: using loops for all the linear algebra and OpendTect’s multi dimensional arrays (ArrayNDImpl) which I refer to as the Normal method; using the Eigen linear algebra C++ template library (the Eigen method) and using the ArrayFire linear algebra library for GPU’s (the ArrayFire method).

Continue reading