> Actually not so much "converting" as it would be "adding" based on > existing 10m. By "converting" I meant "interpolate"...(OP:and I would like to interpolate each 5 meters)
> Could choose to merge the '5m buffered lines' afterwards, or not. > > Of course if there is a DEM with 5m resolution or better, You can create contours with 5 m intervals from a 50 m resolution DEM. > it would be > more accurate to use the Contour.plugin (need matplotlib installed) or > GRASS. > > Just depends on what data is available and use case. Cheers Saber > > > > On Mon, Jun 13, 2011 at 11:50 AM, Saber Razmjooei > <[email protected]> wrote: > I guess Mars meant converting a contour lines of 10 metre > intervals to 5 > metre. > Best to do it using GRASS (plugin). Here is a nice Wiki page: > http://grass.osgeo.org/wiki/Contour_lines_to_DEM > > Once you have it as DEM (i.e. raster) you can use r.contour in > GRASS or > Contour tool under GDAL in QGIS (Raster > Contour) to convert > it to 5 > metre contour vector. > > Saber > > > > > > > On Mon, 2011-06-13 at 11:31 -0700, Mars Sjoden wrote: > > Why not buffer a left or right side of your contour line @ > 5m? > > > > I presume your contour lines are vector polylines. > > > > Unless you mean to interpolate from an existing DEM? > > > > mars > > > > 2011/6/13 Vincent Blanqué <[email protected]> > > Hi, > > > > I have contour lines each 10 meters and I would like > to > > interpolate each 5 meters. Is there any Qgis > functionality to > > generate these? Any plugin? Or is it possible with > ogr2ogr? > > > > thx, > > _______________________________________________ > > Qgis-user mailing list > > [email protected] > > http://lists.osgeo.org/mailman/listinfo/qgis-user > > > > _______________________________________________ > > Qgis-user mailing list > > [email protected] > > http://lists.osgeo.org/mailman/listinfo/qgis-user > > > > _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
