Hi Pierre, I will be back on in a couple of hours.. have to rush out. But thanks a million for all your suggestions! Cannot get this working without your help! :)
Cheers, Ed On Mon, Feb 27, 2012 at 3:59 PM, Ed Linde <edoli...@gmail.com> wrote: > ok, just to get this right.. :) , you are suggesting I keep my OSM as is > (id: 900913). Load in the tif rasters as srid (4326) and then "reproject" > the OSM road geometry to srid = 4326 right? So it matches the srid of my > raster! I ask because you said to reproject to 900913 in your mail. > > Cheers, > Ed > > > On Mon, Feb 27, 2012 at 3:53 PM, Pierre Racine < > pierre.rac...@sbf.ulaval.ca> wrote: > >> > I checked the srids of the geometry and the rasters and they are both >> now set to >> > --> 900913! >> >> But you loaded the raster with -s 900913. Right? That does not make the >> raster coordinates to be transformed. You actually corrupted your rasters. >> You have to load them in their proper srid (4326) and reproject them >> afterward (or reproject the geometries) to 900913. I would go with >> reprojecting the geometries. >> >> > I was using qgis and I think I made a mistake because I think the tif >> files on disk >> > are using srid = 4326, while the postgis layer I added was using 900913 >> for osm. >> > I have never used OpenJump.. is it possible to view both my raster and >> road >> > geometries from postgis on to qgis? Or you recommend installing >> OpenJump? >> >> I do. It's still the best/stable tool to work both raster and vectors. >> You can't display raster but you can display their extent and their >> vectorization (with ST_DumpAsPolygon()) as in the tutorial. >> >> > Also, do I still need to do some sort of reprojection on the >> geometries? Is the >> > SRID of 900913 reported for my rasters...reliable information? >> >> Again, the loader do not reproject. It just assign the srid you tell him. >> You have to reproject at some point (before or after loading, before or >> while intersecting). >> >> Pierre >> _______________________________________________ >> postgis-users mailing list >> postgis-users@postgis.refractions.net >> http://postgis.refractions.net/mailman/listinfo/postgis-users >> > >
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