Re: [gdal-dev] [PATCH v2] Support Mercator_2SP in GeoTIFF

2014-08-06 Thread Antti Castrén
if these findings have any impact on development of gdal, but at least they give some insight to the issue. Hopefully we see some development on the above mentioned GIS software also. Cheers, Antti 2013-11-23 0:18 GMT+02:00 Antti Castrén antti.cast...@iki.fi: Hi Trent et al. Thanks for your work

Re: [gdal-dev] gdalwarp EPSG:32662 problem

2014-02-10 Thread Antti Castrén
2014-02-09 8:40 GMT+02:00 Andre Joost andre+jo...@nurfuerspam.de: Am 09.02.2014 00:42, schrieb Even Rouault: But Antti guess seems right. Instead of +ellps=WGS84 (or +datum=WGS84), if you play with the a (semi-major axis) and b (semi-minor axis) parameters, you can see that only +a has an

Re: [gdal-dev] gdalwarp EPSG:32662 problem

2014-02-07 Thread Antti Castrén
Hello Steve, You asked for any thoughts, so here are some. The 20km shift could easily be caused by using spherical version in one implementation of equirectangular projection and ellipsoidal version in the other. Amount of shift depends on the latitude. You can find some information on these

Re: [gdal-dev] [PATCH v2] Support Mercator_2SP in GeoTIFF

2013-11-22 Thread Antti Castrén
://drive.google.com/file/d/0BybuTedE9CLxMzltYlBFWU51RzA/edit?usp=sharing I think the latter might have better compatibility. Yet it seems to clearly be the incorrect way to do it. On Mon, Nov 18, 2013 at 4:54 AM, Antti Castrén antti.cast...@iki.fi wrote: Hi Trent, The chart opens in ArcMap

Re: [gdal-dev] [PATCH v2] Support Mercator_2SP in GeoTIFF

2013-11-18 Thread Antti Castrén
Hi Trent, The chart opens in ArcMap (ArcGIS 10.0) well, and it is in right location (Seattle). Relevant properties of the file as seen by ArcGIS: Cell Size: 240.003787, 240.003787 Extent Top:4143530.20898 Left: -9278434.53415 Right: -9165872.75807 Bottom: 3984167.69444 Spatial Reference: