[GRASS5] [bug #2626] (grass) on the fly reprojection with .prj
paul-grass at stjohnspoint.co.uk
Fri Sep 17 11:05:18 EDT 2004
On Fri, 17 Sep 2004, Request Tracker wrote:
> Arcview use in v8 and 9 .prj files to specified the projection of a shapefile. This allow the view to be
> independant from shape projection. You may have many projections of shapefile like geographical,
> utm and other and choose to make the view in utm. If not specified (no .prj) geographical is the
> If grass could support this feature it could be a verry good improvement. No need to reproject files
> receive from many source. Just be sure each shape have is own .prj file.
That would be a nice feature for v.external but I have never used it so
can't go into detail. Only that if the external OGR file had no projection
information it should not assume lat/long---there should be a warning
and/or ask the user is it OK to interpret the map as being in the same
projection as the current location.
> With it and utility to make that .prj files for shape without that .prj is also needed.
That exists already: see the man page for g.proj
v.out.ogr also writes a .prj file when creating a Shapefile.
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