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This chapter briefly describes the GridFFT tool's operations.
INTREPID has a number of tools that perform spectral domain operations and use spectral domain filters. We have created a common reference chapter, which has detailed explanation of INTREPID spectral domain operations. It includes an explanation of pre-processing and post-processing, as well as details of the available filters.
NOTE: this tool now supports Full Tensor Gradient grid operations (Curvature Gradients).
This takes the form of some Low, Band & High pass operations and Tensor Integration.
A Full Tensor Complex grid is created to support the FFT operations in this case.
See [INTREPID spectral domain operations reference (R14)] for full details.