This directory contains sample scripts intended to give an idea how GDAL's Python interface may be used in your applications. Script list: ------------------------------------------------------------------------------ fft.py Script to perform forward and inverse two-dimensional fast Fourier transform. gdal2grd.py Script to write out ASCII GRD rasters (used in Golden Software Surfer) from any source supported by GDAL. val_repl.py Script to replace specified values from the input raster file with the new ones. May be useful in cases when you don't like value, used for NoData indication and want replace it with other value. Input file remains unchanged, results stored in other file. assemblepoly.py Script demonstrates how to assemble polygons from arcs. Demonstrates various aspects of OGR Python API. tigerpoly.py Script demonstrating how to assemble polygons from arcs in TIGER/Line datasource, writing results to a newly created shapefile.