[gdal-dev] Generating GML from Database - Problem: No decimal values

2009-02-10 Thread Gregor Fikoczek
Hi list, i got a problem by generating a GML-File from the Oracle- and MySQL-DB using ogr2ogr, so I alway getting in MySQL/oracle instead of a float-value an rounded integer-value (mostly 0) without any decimal numbers. Some Info: # Structure MySQL:

Re[4]: [gdal-dev] gdalwarp: mercator to lambert azimutal equeal area

2009-02-10 Thread jumpjack
Thanks, but I can't yet understand... I have a map of the whole world. It is 640 pixel wide. Planar world is 44.000.000 meters wide so which number should I specify as A?? The same applies for E. About C and F: which coordinates should I specify? Lat and Lon? This would be 90,-180, I guess,

Fwd: Re[4]: [gdal-dev] gdalwarp: mercator to lambert azimutal equeal area

2009-02-10 Thread jumpjack
I tried georeferencing one of these images ( http://www.oera.net/How2/TextureMaps2.htm ) using MapWindow GIS; the pogram generated a .jgw file, which then I fixed by replacing , by . and changing something like 179.12345 to 180.0 . Then I tried again this command: gdalwarp -s_srs +proj=merc

Re: Fwd: Re[4]: [gdal-dev] gdalwarp: mercator to lambert azimutal equeal area

2009-02-10 Thread Even Rouault
I think you don't define enough the projections and should specify more parameters. PROJ.4 documentation and the following links may be helpful : http://www.remotesensing.org/geotiff/proj_list/mercator_1sp.html http://www.remotesensing.org/geotiff/proj_list/mercator_2sp.html

Re: Fwd: Re[4]: [gdal-dev] gdalwarp: mercator to lambert azimutal equeal area

2009-02-10 Thread Joaquim Luis
Hi, A couple of things, 1. Planar world is not 44.000.000 meters wide. It follows from the meter definitions that it is 40 000 000 meters 2. Mercator maps cannot span to +/- 90 degrees latitude 3. The images in www.oera.net/How2/TextureMaps2.htm are not Mecator 4. and changing something