Hi Luís, On Thu, May 11, 2017 at 9:36 AM, Luís Moreira de Sousa <[email protected]> wrote: > Dear all, > > I am trying to apply a high pass filter to a raster; following Markus > Neteler's book I created a simple high-pass filter: > >> cat highpass9.txt > TITLE 3x3 High Pass > MATRIX 3 > -1 -1 -1 > -1 8 -1 > -1 -1 -1 > DIVISOR 9 > TYPE S
In the book (3rd edition, p 309) we wrote TYPE P (not S). Maybe that helps? Markus -- Markus Neteler, PhD http://www.mundialis.de - free data with free software http://grass.osgeo.org http://courses.neteler.org/blog _______________________________________________ grass-user mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/grass-user
