Re: [gdal-dev] reprojecting SRTM data

2012-08-16 Thread Zoltan Szecsei
On 2012/08/16 11:43, Vincent Schut wrote: On 08/16/12 11:14, Zoltan Szecsei wrote: But the software I want to use this tif-DEM in complains: Error encountered while reading GeoTIFF file: Elevation data must be specified as 32-bit floating point samples. Hi Zoltan, you can add "-ot Float32"

Re: [gdal-dev] reprojecting SRTM data

2012-08-16 Thread Vincent Schut
On 08/16/12 11:14, Zoltan Szecsei wrote: Hi, I've downloaded srtm_41_19 both in tiff and ASCII formats. I reproject the tiif image such: gdalwarp -t_srs '+proj=tmerc +lat_0=0 +lon_0=21 +k=1 +x_0=0 +y_0=0 +ellps=WGS84 +datum=WGS84 +units=m +no_defs' srtm_41_19.tif srtm_lo21.tif and gdalinfo prod

[gdal-dev] reprojecting SRTM data

2012-08-16 Thread Zoltan Szecsei
Hi, I've downloaded srtm_41_19 both in tiff and ASCII formats. I reproject the tiif image such: gdalwarp -t_srs '+proj=tmerc +lat_0=0 +lon_0=21 +k=1 +x_0=0 +y_0=0 +ellps=WGS84 +datum=WGS84 +units=m +no_defs' srtm_41_19.tif srtm_lo21.tif and gdalinfo produces realistic values. But the software I