[gdal-dev] Convert false-color single band tiff to png

Paul Meems bontepaarden at gmail.com
Tue May 9 05:25:58 PDT 2017

I'm having trouble converting a false-color single band tiff to png.

Most of my tiff-files I can convert using GdalDem and a color table, this
works great.
But some tiff-files are pre-processed and I need to convert them as is.

This is the tiff:
[image: Inline afbeelding 1]

I tried with gdal_translate:
gdal_translate -of PNG my.tif my.png
But then I get a mostly white png. I also tried several other options.
The range of the tiff-file is from 1842 - 2636.
Does this mean I'm bound to use a color table file and use GdalDem or is
another solution possible?

The tiff-files are send to my from an outside source I have no control
about them.
I need the png-files because I'm showing the files in OpenLayers.

How can I do the conversion properly?


Paul Meems
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