Thanks a lot to Andreas and Stephan! That have been the right suggestions.
The solution for me was putting the resampling algorithm to average and
using the AGG-driver for rendering the images.
Best regards
Toni
Am 14.02.2011 12:13, schrieb Stephan Holl:
Hello Toni,
Toni Pignataro<[email protected]>, [20110211 - 15:51:10]
Hi list,
I have a nonsatisfying visualisation of an geotiff image with
overviews in mapserver. The different overviews look really poor
zooming in the map.
What i tried until now is, resampling the original image with
gdal_addo (gdaladdo -r nearest , gdaladdo -r average_mp, gdaladdo -r
average_magphase, gdaladdo -r mode) and i also made an gdal_translate
(gdal_translate -of GTiff -co "TILLED=YES"), but the results did not
look even better.
Any one an suggestion how to handle the orginalimage?
Perhaps you can play with the different resampling algorithms.
Good visual results can be made with the Average method, with a little
performance hit.
And of course Andreas' hints are worth!
HTH
Stephan
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