Yann Chemin Senior Spatial Hydrologist www.icwater.org
On 13/10/2010, at 18:23, Hamish <[email protected]> wrote: > Yann wrote: >> I would like to include i.landsat.toar in GRASS7. >> I believe this will bring the necessary complement to >> i.atcorr and the subsequent i.albedo/i.vi/etc that are part >> of the chain processing of Landsat. > > I'd like to see i.landsat.acca (cloud masks) travel along with > it too. > +1 for that one too Do you have a v7 version already ? >> Is there anybody maintaining it these days? > > Yes, Jorge and I have been working on getting it ready recently, > https://trac.osgeo.org/grass/log/grass-addons/imagery/i.landsat.toar > Ok will read that one > The grass7 patch is out of date now- to avoid wasted work I was > waiting until the grass6 version settled down before recutting > that. > You mean to include it in v6 too? > >> I would be happy to do the necessary to include it in GRASS >> 7. In the future, I would also like to remove from >> GRASS-ADDONS the i.dn2* modules that mostly are included into >> i.landsat.toar but for the .MTL metadata format of some types >> of Landsat 5 imagery (I checked the landsat_met.c in >> i.landsat.toar and believe it is feasible to transfer the .MTL >> parsing code across eventually). > > as long as functionality is retained and differences between the > output of the two modules are for known reasons, I don't mind > i.dn2* being "merged" into i.landsat.toar. I don't think that > getting the L5 glovis MTL metadata files to read in i.landsat.toar > will be too hard, as the L7 versions of the same work ok already. > The process of making it more robust will take a while though, and > the hardcoded file length stuff in .toar probably has to go away. If MTL for L7 it should be ok then I was thinking more about parsing metadata files of other format as "merging" the modules. The i.dn* are simple dn to rad to reftoa, nothing i.Landsat.toar cannot do already. About the fixed length stuff so you have a proposition or should I see how it comes up along the way? > > thanks, > Hamish > > > Thank you Hamish this sounds really good > _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
