[Benchmarking] Colorado DEM Data

Smith, Michael D ERDC-CRREL-NH michael.smith at usace.army.mil
Wed Mar 2 11:47:47 EST 2011


All,

I have downloaded the USGS 10m (1/3 arc second) data for Colorado and am
currently uploading the data to the linux server in
/benchmarking/2011/data/raster/DEM.

I will upload the data to the Windows server after that.

Data format is GeoTiff.

Example output from GDAL:

msmith at linux_wms_bm:~/tmp/88655836$ gdalinfo 88655836.tif
Driver: GTiff/GeoTIFF
Files: 88655836.tif
       88655836.tfw
       88655836.aux
Size is 6416, 3670
Coordinate System is:
GEOGCS["NAD83",
    DATUM["North_American_Datum_1983",
        SPHEROID["GRS 1980",6378137,298.2572221010002,
            AUTHORITY["EPSG","7019"]],
        AUTHORITY["EPSG","6269"]],
    PRIMEM["Greenwich",0],
    UNIT["degree",0.0174532925199433],
    AUTHORITY["EPSG","4269"]]
Origin = (-106.735092591348362,39.675648147357293)
Pixel Size = (0.000092592592601,-0.000092592592601)
Metadata:
  TIFFTAG_SOFTWARE=IMAGINE TIFF Support
Copyright 1991 - 1999 by ERDAS, Inc. All Rights Reserved
@(#)$RCSfile: etif.c $ $Revision: 1.10.1.9.1.9.2.11 $ $Date: 2004/09/15
18:42:01EDT $
  TIFFTAG_XRESOLUTION=1
  TIFFTAG_YRESOLUTION=1
  TIFFTAG_RESOLUTIONUNIT=1 (unitless)
  AREA_OR_POINT=Area
Image Structure Metadata:
  INTERLEAVE=BAND
Corner Coordinates:
Upper Left  (-106.7350926,  39.6756481) (106d44' 6.33"W, 39d40'32.33"N)
Lower Left  (-106.7350926,  39.3358333) (106d44' 6.33"W, 39d20' 9.00"N)
Upper Right (-106.1410185,  39.6756481) (106d 8'27.67"W, 39d40'32.33"N)
Lower Right (-106.1410185,  39.3358333) (106d 8'27.67"W, 39d20' 9.00"N)
Center      (-106.4380556,  39.5057407) (106d26'17.00"W, 39d30'20.67"N)
Band 1 Block=6416x1 Type=Float32, ColorInterp=Gray
  Min=2145.859 Max=4272.084
  Minimum=2145.859, Maximum=4272.084, Mean=3144.205, StdDev=380.625
  NoData Value=-3.4028234663852886e+38
  Metadata:
    STATISTICS_MINIMUM=2145.859375
    STATISTICS_MAXIMUM=4272.083984375
    STATISTICS_MEAN=3144.2045415732
    STATISTICS_MEDIAN=3187.5264516175
    STATISTICS_MODE=3129.1279485524
    STATISTICS_STDDEV=380.62482041484
    STATISTICS_HISTONUMBINS=65536
    STATISTICS_HISTOMIN=2145.859375
    STATISTICS_HISTOMAX=4272.083984375
    STATISTICS_SKIPFACTORX=1
    STATISTICS_SKIPFACTORY=1
    STATISTICS_EXCLUDEDVALUES=-3.4028234663853e+38
    LAYER_TYPE=athematic



-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.osgeo.org/pipermail/benchmarking/attachments/20110302/1c852fea/attachment.html


More information about the Benchmarking mailing list