Re: [GRASS-user] Derivation of Landsat 8 Tasseled Cap coefficients for certain scene in Grass

Dear Maria, I have found this note by chance, because I do not follow all the traffic in the GRASS mailing list. I have to admit I have some difficulties to grasp the meaning of the steps you describe, for example the abbreviations PR and RRN, will have to read the articles you mention first.

Re: [GRASS-user] Derivation of Landsat 8 Tasseled Cap coefficients for certain scene in Grass

Dear Tomas, Thank you for response! PR is procrustes rotation RRN correspond to Relative Radiometric Normalization You may look through the articles stored here https://disk.yandex.ru/client/disk/%D0%94%D0%BE%D0%BA%D1%83%D0%BC%D0%B5%D0%BD%D1%82%D1%8B Muhammad Hasan Ali Baig did the procedure I

Re: [GRASS-user] aspect map with azimuth values

On 2015-07-08 08:33, Ahmet Temiz wrote: Hello how can I convert aspect map's values to azimuth values? or is there any way to create aspect map with azimuth values? I think this should work (but you should double check): if aspect = 90, then azimuth = 90 - aspect else: azimuth = 450 - aspect

[GRASS-user] aspect map with azimuth values

Hello how can I convert aspect map's values to azimuth values? or is there any way to create aspect map with azimuth values? regards Ahmet Temiz -- Ahmet Temiz Jeoloji Müh. Afet ve Acil Durum Yönetimi Başkanlığı Bilgi İşlem Dairesi Başkanlığı-CBS Grubu Ahmet

Re: [GRASS-user] aspect map with azimuth values

Moritz Lennert wrote: how can I convert aspect map's values to azimuth values? or is there any way to create aspect map with azimuth values? I think this should work (but you should double check): if aspect = 90, then azimuth = 90 - aspect else: azimuth = 450 - aspect i.e.