Hi, It cannot be EPSG:4324 and the first place to see it is in "UNIT["metre" EPSG:4326 is using naturally degrees. Have a try with EPSG:3395
http://spatialreference.org/ref/epsg/3395/ -Jukka Rahkonen- > -----Alkuperäinen viesti----- > Lähettäjä: [email protected] > [mailto:[email protected]] Puolesta liam391 > Lähetetty: 25. maaliskuuta 2011 12:51 > Vastaanottaja: [email protected] > Aihe: Re: [Gvsig_english] Projecting EPSG 27700 British > National Grid to overlay EPSG 4326 (WGS 1984) > > Hi Mario, > > Hi Mario, > > I created the view in WGS84, and added the raster. I then > added the shp > using EPSG 27700, and said yes to the "do you want to > re-project" pop-up. > However, the imported shp still does not overly the raster. I > think it is a > problem with the raster, as the latitude/long. values make > sense for the > reprojected shp, but not fro the raster. > > I don't know if the projection info., from "raster > properties" would help: > > Projection > PROJCS["Mercator", GEOGCS["WGS 84", DATUM["WGS_1984", > SPHEROID["WGS 84",6378137,298.2572235630016, > AUTHORITY["EPSG","7030"]], AUTHORITY["EPSG","6326"]], > PRIMEM["Greenwich",0], UNIT["degree",0.0174532925199433], > AUTHORITY["EPSG","4326"]], PROJECTION["Mercator_1SP"], > PARAMETER["central_meridian",0], PARAMETER["scale_factor",1], > PARAMETER["false_easting",0], PARAMETER["false_northing",0], > UNIT["metre",1, AUTHORITY["EPSG","9001"]]], > > Re the error - If I create the view in EPSG 27700, then add > the raster and > try to reproject, GvSig crashes. I could not find the file in the bin > folder, but I did a print screen of the error msg which pops up: > http://osgeo-org.1803224.n2.nabble.com/file/n6207258/GVsigerro rmsg.png > > Thankyou > Liam > > > > Hi Liam, > > reprojecting on the fly must work correctly. You can create a view in > EPSG 4326 (geographic coords, WGS84), and load the raster > file. Then you > load the shp file selecting EPSG 27700 for its current system, and it > will notice you that it will be reprojected on the fly. After loading > the layer, if you go to the Layer->Export to->SHP menu, > you will have > the shp file in 4326. Do you say that it doesn't work? > > About the raster reprojecting, if gvSIG crashes, there's a file whose > name starts by "hs_err....." in the "bin" > folder of your > gvSIG > installation folder. The date will be the same than the crash time. > Could you attach it to check what could happen? > > Best regards, > Mario > > > > liam391 escribió: > > Hello, > > > > I am a novice student user of GvSig having used it for > basic mapping > and > > geoprocessing for about a year. > > > > I have Raster files in WGS 1984 coordinate system (from > Seazone) and I > wish > > to overlay them with shapefiles in EPSG 27700 British > National Grid > (these > > are from SNH natural spaces and are available free > > > http://gateway.snh.gov.uk/pls/htmldb_ddtdb1/f?p=101:1:71723021 34011178865). > > > > I have tried to use the reproject tool on the shapefiles > but so far I > have > > found that either no transformation is available, or > GvSig has crashed > when > > I have tried to perform one. Projecting on the fly does > not seem to > work; > > attempting to reproject the raster to match the view > projection causes > a > > crash and error message. I am running GvSig 1.10 on > windows 64 bit. > > > > I apologise for the basic question, but haven't found a > solution that > I've > > understood when looking through the forums, > > > > Thanks > > > > Liam > > > & > > > -- > View this message in context: > http://osgeo-org.1803224.n2.nabble.com/Projecting-EPSG-27700-B ritish-National-Grid-to-overlay-EPSG-4326-WGS-1984-> tp6204644p6207258.html > Sent from the gvSIG users mailing list archive at Nabble.com. > _______________________________________________ > Gvsig_internacional mailing list > [email protected] > http://listserv.gva.es/cgi-bin/mailman/listinfo/gvsig_internacional > _______________________________________________ Gvsig_internacional mailing list [email protected] http://listserv.gva.es/cgi-bin/mailman/listinfo/gvsig_internacional
