Changes between Initial Version and Version 1 of Ticket #4892


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Timestamp:
Nov 12, 2012, 8:47:07 AM (12 years ago)
Author:
remanuele
Comment:

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  • Ticket #4892 – Description

    initial v1  
    33In working directory, where ever attached dem file is located
    44
    5 $ gdal_translate -of ARG -ot Float32 philly_30m.dem philly_30m.arg
     5$ gdal_translate -of ARG -ot Float32 mt_st_helens.dem mt_st_helens.arg
    66
    77Actual Behavior:
    88
    9 $ gdalinfo -stats philly_30m.dem | grep Min
    10   Minimum=0.000, ...
    11 $ gdalinfo -stats philly_30m.arg | grep Min
     9$ gdalinfo -stats mt_st_helens.dem | grep Min
     10  Minimum=676.000, ...
     11$ gdalinfo -stats mt_st_helens.arg | grep Min
    1212  Minimum=-32767.000, ...
    1313
    14 Expected behavior: the Minimum for the .tiff and .arg files would be the same (0.0)
     14Expected behavior: the Minimum for the .tiff and .arg files would be the same (676.0)
    1515
    16 This same behavior happens if you were to convert the DEM to GeoTIFF, and then convert the GeoTIFF to ARG. The DEM and GeoTIFF formats both have a Minimum of 0.0, the ARG has -32767.0.
    17 
     16This same behavior happens if you were to convert the DEM to GeoTIFF, and then convert the GeoTIFF to ARG. The DEM and GeoTIFF formats both have a Minimum of 676.0, the ARG has -32767.0.