Changes between Initial Version and Version 2 of Ticket #6760


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Timestamp:
Jan 2, 2017, 7:37:23 AM (7 years ago)
Author:
aleks
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  • Ticket #6760 – Description

    initial v2  
    55I define "successfully" if the default system viewer on my platform is able to open/recognize the image.  they are from a different 100km square region in the UK but otherwise should be identical so they should both work fine.   
    66
    7 The two test cases are of 1:10000 scale raster maps.  One is the NK data set which fine and one is the NL data set.  Both are created from using gdal_translate on a .vrt file pointing to 100 smaller tiles.  The command used to create them both is:
     7The two test cases are of 1:10000 scale raster maps.  One is the NK data set which fine and one is the NL data set which will not be recognized as a valid file.  Both are created from using gdal_translate on a .vrt file pointing to 100 smaller tiles.  The command used to create them both is:
    88
    99$ for i in NK.vrt NL.vrt; do gdal_translate -mo TIFFTAG_XRESOLUTION=254 -mo TIFFTAG_RESOLUTIONUNIT=2 -mo TIFFTAG_IMAGEDESCRIPTION='1:10000 TILE '${i/.vrt/} -mo TIFFTAG_YRESOLUTION=254 -a_srs EPSG:27700 -co NUM_THREADS=ALL_CPUS -co BIGTIFF=NO -co COMPRESS=DEFLATE -of GTiff $i ${i/.vrt/.TIFF}; fi; done
    … …  
    1414
    1515I have uploaded both the good/bad created TIFFs, as well as the .vrt used to make them, as well as the source 200 .TIFF files the .vrt references:
     16
     17https://www.dropbox.com/s/6cwahje7stunx7v/bug-report-20170102-aleks.zip?dl=0
    1618
    1719The attached file is ~263 megs big, md5 sum is: 5475898a5e3cf625d09f8ffb1b17ebef