On Thu, May 11, 2017 at 5:05 PM, Luís Moreira de Sousa <[email protected]> wrote: > Thank you Anna, indeed with TYPE P it works correctly. > > My first question is why is it in the book with TYPE S? That way it does not > seem to be a high-pass filter at all...
Indeed. Two things: - you were reading the oldish 1st edition of the book from 2002 while there is the fancy 3rd edition from 2008 :-) - The erratum was noted here back then: https://grassbook.org/errata/errata-1st-edition > I also find the definition of the sequential filter somewhat unclear. Not > sure what it does, but certainly can not be used with high-pass or low-pass > filters. Likely something to improve in the manual page of r.mfilter. HTH, 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
