[gdal-dev] gdalbuildvrt problem with heterogenous band characteristics

[Margherita Di Leo]

Hi,

On Thu, Aug 16, 2012 at 11:02 PM, Eli Adam <eadam at co.lincoln.or.us> wrote:

> > Band 1 Block=5000x1 Type=Int16, ColorInterp=Gray
> ...
> > Band 1 Block=10000x1 Type=Float32, ColorInterp=Gray
> >
> > I can't see anything obvious why these two files can't be mosaiced..
> >
>
> It looks like one is 16 bit and the other 32.  gdalbuildvrt probably
> can't determine the type of output to create.
>
> What is the output type of gdalwarp on the same files? Did gdalwarp do
> anything to make the input files match in the output?
>

This is the output of the mosaic made by gdalwarp:

gdalinfo STM_CP-DEMS_EU_mosaic.tif
Driver: GTiff/GeoTIFF
Files: /home/leomarg/DATA/SRTM_DEMs/_ALL/STM_CP-DEMS_EU_mosaic.tif
Size is 64600, 50650
Coordinate System is:
PROJCS["ETRS89 / LAEA Europe",
    GEOGCS["ETRS89",
        DATUM["European_Terrestrial_Reference_System_1989",
            SPHEROID["GRS 1980",6378137,298.2572221010002,
                AUTHORITY["EPSG","7019"]],
            AUTHORITY["EPSG","6258"]],
        PRIMEM["Greenwich",0],
        UNIT["degree",0.0174532925199433],
        AUTHORITY["EPSG","4258"]],
    PROJECTION["Lambert_Azimuthal_Equal_Area"],
    PARAMETER["latitude_of_center",52],
    PARAMETER["longitude_of_center",10],
    PARAMETER["false_easting",4321000],
    PARAMETER["false_northing",3210000],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AUTHORITY["EPSG","3035"]]
Origin = (1540000.000000000000000,6000000.000000000000000)
Pixel Size = (100.000000000000000,-100.000000000000000)
Metadata:
  AREA_OR_POINT=Area
Image Structure Metadata:
  INTERLEAVE=BAND
Corner Coordinates:
Upper Left  ( 1540000.000, 6000000.000) ( 57d31'59.79"W, 63d25'17.15"N)
Lower Left  ( 1540000.000,  935000.000) ( 17d57'14.30"W, 26d50'46.78"N)
Upper Right ( 8000000.000, 6000000.000) ( 86d 0'31.83"E, 56d26'45.47"N)
Lower Right ( 8000000.000,  935000.000) ( 46d17'14.56"E, 23d32'41.83"N)
Center      ( 4770000.000, 3467500.000) ( 16d52'39.75"E, 54d 7'19.36"N)
Band 1 Block=64600x1 Type=Int16, ColorInterp=Gray

Thanks,


-- 
Dr. Margherita Di Leo
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