GDAL: gdallocationinfo of CGIAR mosaic elevation data The Next CEO of Stack OverflowCGIAR SRTM...
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GDAL: gdallocationinfo of CGIAR mosaic elevation data
The Next CEO of Stack OverflowCGIAR SRTM to xyz using GRASS GIS, with samplingTilecache positions my gdal_translated map 20km south of where I want itUnderstanding the Map Tile creation propertiesVSIMalloc3() and UnifiedSrcDensity mask errors when running gdal_warp in OSGEO4w shellHow can I fix badly specified geographic coordinate system with units in arc-seconds?how to georeference my png using gdalProblem with Converting XY Coordinates to LatLonCan gdalwarp reproject from ESPG:4326 (WGS84) to UTM?Clipping raster takes forever in QGISTransforming Lambert Conformal Conic to EPSG:3857Resampling two raster files
I have downloaded tiles from 
http://srtm.csi.cgiar.org/srtmdata/ and unpacked the *.zip files into a directory. Then I ran, as has been suggested here: CGIAR SRTM to xyz using GRASS GIS, with sampling, the commands
#create mosaik (optionally reproject on the fly with -t_srs)
gdalwarp *.tif mosaik.tif
gdalbuildvrt srtm.vft mosaic.tif
After this, I can see the following:
Driver: VRT/Virtual Raster
Files: srtm.vft
mosaic.tif
Size is 48001, 24001
Coordinate System is:
GEOGCS["WGS 84",
DATUM["WGS_1984",
SPHEROID["WGS 84",6378137,298.257223563,
AUTHORITY["EPSG","7030"]],
AUTHORITY["EPSG","6326"]],
PRIMEM["Greenwich",0],
UNIT["degree",0.0174532925199433],
AUTHORITY["EPSG","4326"]]
Origin = (-10.000416206603404,55.000417150924136)
Pixel Size = (0.000833333333333,-0.000833333333333)
Corner Coordinates:
Upper Left ( -10.0004162, 55.0004172) ( 10d 0' 1.50"W, 55d 0' 1.50"N)
Lower Left ( -10.0004162, 34.9995838) ( 10d 0' 1.50"W, 34d59'58.50"N)
Upper Right ( 30.0004171, 55.0004172) ( 30d 0' 1.50"E, 55d 0' 1.50"N)
Lower Right ( 30.0004171, 34.9995838) ( 30d 0' 1.50"E, 34d59'58.50"N)
Center ( 10.0000005, 45.0000005) ( 10d 0' 0.00"E, 45d 0' 0.00"N)
Band 1 Block=128x128 Type=Int16, ColorInterp=Gray
NoData Value=-32768
when running gdalinfo srtm.vft.
Now, when I try to "query" the data, such as e.g.
gdallocationinfo srtm.vft <your x coord> <your y coord>,
with "appropriate" coordinates x and y, I get stuff like
Report:
Location: (0P,18000L)
Band 1:
<LocationInfo><File>mosaic.tif</File></LocationInfo>
Value: -32768
I tried different switches for gdallocationinfo, such as -wgs84 etc.,
to no avail.
My goal, as described in the related SE-question above, is to
have a file with x,y,z, where x,y is a "locus" in the selected area,
and z is the elevation of that locus. I also would like to sample the data
such that any two pairs of coordinates specify locations that are "sufficiently" apart (say, 300-500 km), but that is another story.
gdal dem
asked 19 mins ago
IlonpilaajaIlonpilaaja
1053
add a comment |
I have downloaded tiles from
http://srtm.csi.cgiar.org/srtmdata/ and unpacked the *.zip files into a directory. Then I ran, as has been suggested here: CGIAR SRTM to xyz using GRASS GIS, with sampling, the commands
#create mosaik (optionally reproject on the fly with -t_srs)
gdalwarp *.tif mosaik.tif
gdalbuildvrt srtm.vft mosaic.tif
After this, I can see the following:
Driver: VRT/Virtual Raster
Files: srtm.vft
mosaic.tif
Size is 48001, 24001
Coordinate System is:
GEOGCS["WGS 84",
DATUM["WGS_1984",
SPHEROID["WGS 84",6378137,298.257223563,
AUTHORITY["EPSG","7030"]],
AUTHORITY["EPSG","6326"]],
PRIMEM["Greenwich",0],
UNIT["degree",0.0174532925199433],
AUTHORITY["EPSG","4326"]]
Origin = (-10.000416206603404,55.000417150924136)
Pixel Size = (0.000833333333333,-0.000833333333333)
Corner Coordinates:
Upper Left ( -10.0004162, 55.0004172) ( 10d 0' 1.50"W, 55d 0' 1.50"N)
Lower Left ( -10.0004162, 34.9995838) ( 10d 0' 1.50"W, 34d59'58.50"N)
Upper Right ( 30.0004171, 55.0004172) ( 30d 0' 1.50"E, 55d 0' 1.50"N)
Lower Right ( 30.0004171, 34.9995838) ( 30d 0' 1.50"E, 34d59'58.50"N)
Center ( 10.0000005, 45.0000005) ( 10d 0' 0.00"E, 45d 0' 0.00"N)
Band 1 Block=128x128 Type=Int16, ColorInterp=Gray
NoData Value=-32768
when running gdalinfo srtm.vft.
Now, when I try to "query" the data, such as e.g.
gdallocationinfo srtm.vft <your x coord> <your y coord>,
with "appropriate" coordinates x and y, I get stuff like
Report:
Location: (0P,18000L)
Band 1:
<LocationInfo><File>mosaic.tif</File></LocationInfo>
Value: -32768
I tried different switches for gdallocationinfo, such as -wgs84 etc.,
to no avail.
My goal, as described in the related SE-question above, is to
have a file with x,y,z, where x,y is a "locus" in the selected area,
and z is the elevation of that locus. I also would like to sample the data
such that any two pairs of coordinates specify locations that are "sufficiently" apart (say, 300-500 km), but that is another story.
gdal dem
asked 19 mins ago
IlonpilaajaIlonpilaaja
1053
add a comment |
I have downloaded tiles from
http://srtm.csi.cgiar.org/srtmdata/ and unpacked the *.zip files into a directory. Then I ran, as has been suggested here: CGIAR SRTM to xyz using GRASS GIS, with sampling, the commands
#create mosaik (optionally reproject on the fly with -t_srs)
gdalwarp *.tif mosaik.tif
gdalbuildvrt srtm.vft mosaic.tif
After this, I can see the following:
Driver: VRT/Virtual Raster
Files: srtm.vft
mosaic.tif
Size is 48001, 24001
Coordinate System is:
GEOGCS["WGS 84",
DATUM["WGS_1984",
SPHEROID["WGS 84",6378137,298.257223563,
AUTHORITY["EPSG","7030"]],
AUTHORITY["EPSG","6326"]],
PRIMEM["Greenwich",0],
UNIT["degree",0.0174532925199433],
AUTHORITY["EPSG","4326"]]
Origin = (-10.000416206603404,55.000417150924136)
Pixel Size = (0.000833333333333,-0.000833333333333)
Corner Coordinates:
Upper Left ( -10.0004162, 55.0004172) ( 10d 0' 1.50"W, 55d 0' 1.50"N)
Lower Left ( -10.0004162, 34.9995838) ( 10d 0' 1.50"W, 34d59'58.50"N)
Upper Right ( 30.0004171, 55.0004172) ( 30d 0' 1.50"E, 55d 0' 1.50"N)
Lower Right ( 30.0004171, 34.9995838) ( 30d 0' 1.50"E, 34d59'58.50"N)
Center ( 10.0000005, 45.0000005) ( 10d 0' 0.00"E, 45d 0' 0.00"N)
Band 1 Block=128x128 Type=Int16, ColorInterp=Gray
NoData Value=-32768
when running gdalinfo srtm.vft.
Now, when I try to "query" the data, such as e.g.
gdallocationinfo srtm.vft <your x coord> <your y coord>,
with "appropriate" coordinates x and y, I get stuff like
Report:
Location: (0P,18000L)
Band 1:
<LocationInfo><File>mosaic.tif</File></LocationInfo>
Value: -32768
I tried different switches for gdallocationinfo, such as -wgs84 etc.,
to no avail.
My goal, as described in the related SE-question above, is to
have a file with x,y,z, where x,y is a "locus" in the selected area,
and z is the elevation of that locus. I also would like to sample the data
such that any two pairs of coordinates specify locations that are "sufficiently" apart (say, 300-500 km), but that is another story.
gdal dem
asked 19 mins ago
IlonpilaajaIlonpilaaja
1053
I have downloaded tiles from
http://srtm.csi.cgiar.org/srtmdata/ and unpacked the *.zip files into a directory. Then I ran, as has been suggested here: CGIAR SRTM to xyz using GRASS GIS, with sampling, the commands
#create mosaik (optionally reproject on the fly with -t_srs)
gdalwarp *.tif mosaik.tif
gdalbuildvrt srtm.vft mosaic.tif
After this, I can see the following:
Driver: VRT/Virtual Raster
Files: srtm.vft
mosaic.tif
Size is 48001, 24001
Coordinate System is:
GEOGCS["WGS 84",
DATUM["WGS_1984",
SPHEROID["WGS 84",6378137,298.257223563,
AUTHORITY["EPSG","7030"]],
AUTHORITY["EPSG","6326"]],
PRIMEM["Greenwich",0],
UNIT["degree",0.0174532925199433],
AUTHORITY["EPSG","4326"]]
Origin = (-10.000416206603404,55.000417150924136)
Pixel Size = (0.000833333333333,-0.000833333333333)
Corner Coordinates:
Upper Left ( -10.0004162, 55.0004172) ( 10d 0' 1.50"W, 55d 0' 1.50"N)
Lower Left ( -10.0004162, 34.9995838) ( 10d 0' 1.50"W, 34d59'58.50"N)
Upper Right ( 30.0004171, 55.0004172) ( 30d 0' 1.50"E, 55d 0' 1.50"N)
Lower Right ( 30.0004171, 34.9995838) ( 30d 0' 1.50"E, 34d59'58.50"N)
Center ( 10.0000005, 45.0000005) ( 10d 0' 0.00"E, 45d 0' 0.00"N)
Band 1 Block=128x128 Type=Int16, ColorInterp=Gray
NoData Value=-32768
when running gdalinfo srtm.vft.
Now, when I try to "query" the data, such as e.g.
gdallocationinfo srtm.vft <your x coord> <your y coord>,
with "appropriate" coordinates x and y, I get stuff like
Report:
Location: (0P,18000L)
Band 1:
<LocationInfo><File>mosaic.tif</File></LocationInfo>
Value: -32768
I tried different switches for gdallocationinfo, such as -wgs84 etc.,
to no avail.
My goal, as described in the related SE-question above, is to
have a file with x,y,z, where x,y is a "locus" in the selected area,
and z is the elevation of that locus. I also would like to sample the data
such that any two pairs of coordinates specify locations that are "sufficiently" apart (say, 300-500 km), but that is another story.
gdal dem
gdal dem
asked 19 mins ago
IlonpilaajaIlonpilaaja
1053
asked 19 mins ago
IlonpilaajaIlonpilaaja
1053
asked 19 mins ago
IlonpilaajaIlonpilaaja
1053
asked 19 mins ago
IlonpilaajaIlonpilaaja
1053
asked 19 mins ago
IlonpilaajaIlonpilaaja
1053
1053
add a comment |
add a comment |
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