Hi, In addition, here is an overview page:
https://grasswiki.osgeo.org/wiki/Interpolation Markus On Wed, May 10, 2023 at 8:16 PM Maris Nartiss <[email protected]> wrote: > > I think you need to interpolate and not simply convert vector lines to > raster lines. Make sure lines have an attribute with elevation (or z > coordinate) and use e.g. v.surf.rst module. > > Māris. > > trešd., 2023. g. 10. maijs, plkst. 17:29 — lietotājs Rich Shepard > (<[email protected]>) rakstīja: > > > > I need to convert a vector contour map to a raster so I can apply the > > hydrologic models modules. > > > > Reading the v.to.rast manual page I learned that I needed to add categories > > to the input contour map. Running v.category added no categories: "0 > > features added." > > > > v.info does not tell me anything about the elevation values of the contour > > lines. Looking at the v.* modules, and trying v.univar, didn't help. I could > > try v.to.3d, but I need information about the vector map's contents. > > > > Which v.db* should I use to find the elevation colum associated with each > > contour line? > > > > TIA, > > > > Rich > > > > > > _______________________________________________ > > grass-user mailing list > > [email protected] > > https://lists.osgeo.org/mailman/listinfo/grass-user > _______________________________________________ > grass-user mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/grass-user -- Markus Neteler, PhD https://www.mundialis.de - free data with free software https://grass.osgeo.org https://courses.neteler.org/blog _______________________________________________ grass-user mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/grass-user
