Ben and Paul, Thank you!
I didn't know about http://prj2epsg.org. Nice site. I was aware of http://spatialreference.org/, but in retrospect I was trying to find an exact match of the entire WKT using that site's search engine and Google. Thanks for the tip about searching on shorter parts. Yeah, I know, "how to use search engines 101". :-) Aren On Sat, Jan 8, 2011 at 11:35 PM, Ben Madin <[email protected]>wrote: > Aren, > > You need a reference projection, you are correct. > > For the sake of the exercise, bookmark > > http://spatialreference.org/ > > and then try the search box for parts of the string which are maybe unusual > : > > I tried > > *"Standard_Parallel_1",27.5 **Lambert_Conformal_Conic* > > > in the search box. > > then I reckon you can probably choose any of the three results I get - > there appears to be very little difference between them and your string. > > If you haven't used this site before, looking at the > > > - Well Known Text as HTML<http://spatialreference.org/ref/epsg/3082/html/> > - Human-Readable OGC > WKT<http://spatialreference.org/ref/epsg/3082/prettywkt/> > - Proj4 <http://spatialreference.org/ref/epsg/3082/proj4/> > - OGC WKT <http://spatialreference.org/ref/epsg/3082/ogcwkt/> > - JSON <http://spatialreference.org/ref/epsg/3082/json/> > - GML <http://spatialreference.org/ref/epsg/3082/gml/> > - ESRI WKT <http://spatialreference.org/ref/epsg/3082/esriwkt/> > - .PRJ File <http://spatialreference.org/ref/epsg/3082/prj/> > > options will help. > > Good luck (from the antipodes, so take your chances) > > cheers > > Ben > > > > On 09/01/2011, at 3:18 PM, Aren Cambre wrote: > > I have a SHP with this in its PRJ file: > > * > PROJCS["Custom",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",1500000.0],PARAMETER["False_Northing",5000000.0],PARAMETER["Central_Meridian",-100.0],PARAMETER["Standard_Parallel_1",27.5],PARAMETER["Standard_Parallel_2",35.0],PARAMETER["Central_Parallel",18.0],UNIT["Meter",1.0]] > * > > > I need to get this into 3081 somehow since it's a good projection for > Texas. > > I have some 3081-reprojected PoistGIS data (originally 4269) for Texas > already. If I load this SHP into QGIS along with other 3081 data, it appears > well below the other data. QGIS indicates this SHP has a custom projection. > > If I am not mistaken, to reproject with PostGIS, I need something besides > -1 in the geometry table. So I guess I need to specify some SRID with > *-s*when I run shp2pgsql? If so, what projection is this? > > Thanks, and I apologize in advance for my naivety. > > Aren > _______________________________________________ > postgis-users mailing list > [email protected] > http://postgis.refractions.net/mailman/listinfo/postgis-users > > > > _______________________________________________ > postgis-users mailing list > [email protected] > http://postgis.refractions.net/mailman/listinfo/postgis-users > >
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