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 (<rshep...@appl-ecosys.com>) 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 > grass-user@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/grass-user _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-user