On mardi 29 janvier 2019 15:49:40 CET Idan Miara wrote:
> Hi Even,
>
> Thanks! it does solve most of the problem!
>
> The only issue that I think is left is that nearblack scans from the
> borders till it reaches a valid data point and stops there.
> So in case of diagonal zigzag cutting (or back
Hi Even,
Thanks! it does solve most of the problem!
The only issue that I think is left is that nearblack scans from the
borders till it reaches a valid data point and stops there.
So in case of diagonal zigzag cutting (or background in holes) there will
be still background left inside the zigzag
> I'm looking for an automated/semi-automated way to remove the plain color
> background of some (jpeg compressed) Orthophoto RGB rasters without
> NoDataValue or an Alpha band.
https://www.gdal.org/nearblack.html ?
--
Spatialys - Geospatial professional services
http://www.spatialys.com
___
Hi,
I would like to share with you the python tool that I developed for batch
translating/warping/adding overviews.
It uses the gdal python interface and on top of it many rules to automate
the batch processing.
I hope some of you might find it useful.
https://github.com/talos-gis/gdalos
Kind re
Hi,
I'm looking for an automated/semi-automated way to remove the plain color
background of some (jpeg compressed) Orthophoto RGB rasters without
NoDataValue or an Alpha band.
Usually I get an image of some specific region with the background as a
plain color (usually it's plain white or plain bl
Prepare/finalize functions were added to pj_inv & pj_fwd in PROJ PR #731 (
https://github.com/OSGeo/proj.4/pull/731), in order to resolve ticket #700 (
https://github.com/OSGeo/proj.4/issues/700).
These add some overhead as well but IIRC, more like +15% (much depending on
the actual projection) th
