Hi Thomas
usually GeoTiff is limited to 4GB. GDAL supports big tiff, but I have never
tired it. Thus I never prepared the
commands for that.
Anyway, GeoTiff might be able to support more than 4GB, JNX won't for sure. The
format uses 32bit
pointers into the file.
There is a help. Simply enter the command map2jnx without any paramter. Your
commandline fails
because you use the -c paramter without a value. In this case it's probably ""
and QLGT's output represents
that fact badly.
HTH
Oliver
> versions tested with
> QlandkarteGT 1.7.1
> QT 4.8.4
> GDAL 1.10.0
> Proj4 480
>
> I've loaded a 8GB sized geotiff in QlandkartegT and want to export it
> to jnx.
> I select the area I want to export and start the export, but after ~75%
> the process exits:
> 0...10...20...30...40...50...60...70.ERROR 1: TIFFAppendToStrip:Maximum
> TIFF file size exceeded ERROR 1: TIFFAppendToStrip:Maximum TIFF file
> size exceeded ERROR 1: WriteEncodedTile/Strip() failed.
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: WriteEncodedTile/Strip() failed.
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: WriteEncodedTile/Strip() failed.
> ERROR 1: An error occured while writing a dirty block
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: WriteEncodedTile/Strip() failed.
> ERROR 1: qlgt_1.tif, band 2: An error occured while writing a dirty
> block ERROR 1: qlgt_1.tif, band 3: An error occured while writing a
> dirty block ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: WriteEncodedTile/Strip() failed.
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
>
> Running the command by hand and adding BIGTIFF=yes it doesn't crash:
> /usr/bin/gdal_translate -co BIGTIFF=yes -co tiled=yes -co
> compress=DEFLATE -srcwin 0 0 37752 83348 source.tif
> temporary_destination.tif
>
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