Hello Juan, thank you very very much !!
I just created the first map with the new ShapeFiles boundaries exactly on the satellite images data. At the moment i create a second, higher resolution map. Thanks a lot, Torsten. Am Montag, 11. Mai 2009 23:32:14 schrieb Juan Lucas Dominguez Rubio: > Hi. Your file world_boundaries_m.shp seems to be in the old-fashioned > EPSG:3395 we discussed a few days ago. > > This should produce the shapefile you are looking for > (world_boundaries_900913.shp): > > ogr2ogr -f "ESRI Shapefile" -s_srs epsg:3395 -t_srs "+proj=merc +a=6378137 > +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m > +nadgri...@null +no_defs +over" world_boundaries_900913.shp > world_boundaries_m.shp > > > > regards > Juan Lucas > > > > ________________________________ > > > Hello, > > thanks for taking a look at it. The output is ~ 19000 lines, > so i'll > just show the top ~70 lines: > > Had to open data source read-only. > INFO: Open of `world_boundaries_m.shp' > using driver `ESRI Shapefile' successful. > > Layer name: world_boundaries_m > Geometry: Polygon > Feature Count: 3807 > Extent: (-20037400.000000, -19929239.110000) - (20037400.000000, > 18375854.709643) > Layer SRS WKT: > PROJCS["Mercator", > GEOGCS["GCS_WGS_1984", > DATUM["WGS_1984", > SPHEROID["WGS_1984",6378137,298.257223563]], > PRIMEM["Greenwich",0], > UNIT["Degree",0.017453292519943295]], > PROJECTION["Mercator_1SP"], > PARAMETER["latitude_of_origin",0], > PARAMETER["central_meridian",0], > PARAMETER["scale_factor",1], > PARAMETER["false_easting",0], > PARAMETER["false_northing",0], > UNIT["Meter",1]] > CAT: Real (16.0) > FIPS_CNTRY: String (80.0) > CNTRY_NAME: String (80.0) > OGRFeature(world_boundaries_m):0 > CAT (Real) = 15 > FIPS_CNTRY (String) = AY > CNTRY_NAME (String) = Antarctica > > OGRFeature(world_boundaries_m):1 > CAT (Real) = 15 > FIPS_CNTRY (String) = AY > CNTRY_NAME (String) = Antarctica > > OGRFeature(world_boundaries_m):2 > CAT (Real) = 15 > FIPS_CNTRY (String) = AY > CNTRY_NAME (String) = Antarctica > > OGRFeature(world_boundaries_m):3 > CAT (Real) = 15 > FIPS_CNTRY (String) = AY > CNTRY_NAME (String) = Antarctica > > OGRFeature(world_boundaries_m):4 > CAT (Real) = 15 > FIPS_CNTRY (String) = AY > CNTRY_NAME (String) = Antarctica > > OGRFeature(world_boundaries_m):5 > CAT (Real) = 15 > FIPS_CNTRY (String) = AY > CNTRY_NAME (String) = Antarctica > > OGRFeature(world_boundaries_m):6 > CAT (Real) = 174 > FIPS_CNTRY (String) = NZ > CNTRY_NAME (String) = New Zealand > > OGRFeature(world_boundaries_m):7 > CAT (Real) = 174 > FIPS_CNTRY (String) = NZ > CNTRY_NAME (String) = New Zealand > > OGRFeature(world_boundaries_m):8 > CAT (Real) = 174 > FIPS_CNTRY (String) = NZ > CNTRY_NAME (String) = New Zealand > > > It additionally tells me on stderr: > ERROR 4: Unable to open world_boundaries_m.shp or > world_boundaries_m.SHP. > > > Thanks for any hints, > Torsten. > > Am Montag, 11. Mai 2009 12:42:44 schrieb Juan Lucas Dominguez > Rubio: > > Hi: > > > > I'm curious about that shapefile that needs some stretching. > Assuming > > its name is filename.shp, try to type this: > > > > ogrinfo -geom=NO filename.shp filename > > > > what is the output? > > > > Regards, > > Juan Lucas > > > > > > ________________________________ > > > > > > > > > > Hello Frederik, > > > > thanks for your hint. Yes, i know about > projections. > > Actually, i reprojected the rester images of "blue marble" > from a form > > of WGS84 to Mercaator with an own program. > > > > But as i've heard it, world_boundaries_m is > "defect". > > But as an overlay to represent the boundaries it would be ok. > If that > > information was a misunderstanding and could be fixed with > the right > > projection that would be awesome. > > > > If i use shoreline_300 instead, the projection > is > > perfectly fine, but if you try to render it _not_filled_ with > a > > LineSymbolizer instead of a PolygonSymbolizer, you get some > disturbing > > "plates". But the projection is fine. > > > > A ShapeFile contains the "source SRS" inside > it, right? > > When rendering world_boundaries_m and shoreline_300 i used > the same > > "target SRS". But the result leads to different positions on > the final > > map. > > > > Does that mean that world_boundaries_m is > defect? > > > > Is there a way to "fix" it somehow? Or would > scaling be > > possible? > > > > > > Best regards, > > Torsten. > > > > > Hi, > > > > > > Torsten Mohr wrote: > > > > I have a ShapeFile that seems to be > incorrect, > > > > scaling it in Y-direction could make it fit > the > > > > background. > > > > > > Do you have a basic understanding of > coordinate > > > projections? If not, you'd be well advised to > spend a > > > few hours reading on the subject (start with > Wikipedia, > > > take it from there). > > > > > > You need to find out which projection your > shapefile is > > > in, and then set the correct one in your map > file, and > > > things are likely to work. Simply stretching > the data > > > from the shapefile is very unlikely to yield > the > > > desired results - you will probably find that > the > > > stretch factor that makes Iceland and the > Equator fit > > > will still have France out of place. > > > > > > Bye > > > Frederik > > > > _______________________________________________ > > talk mailing list > > [email protected] > > http://lists.openstreetmap.org/listinfo/talk > > _______________________________________________ > talk mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/talk _______________________________________________ talk mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk

