Le 31/10/2018 à 14:03, Andrea Aime a écrit :
No, you are still supposed to let the mosaic configure itself. Never,
ever, generate
the mosaic property file manually, setup a indexer and a datastore
config files
and let the mosaic do its work, regardless of where the index is stored.
OK Andrea, thanks for making this clear.
I did as suggested :
- copied only the datastore.properties in a folder
- added an indexer.properties in the same folder, basic configuration
taken from
https://geoserver.geo-solutions.it/edu/en/multidim/imagemosaic/mosaic_indexer.html,
i.e.:
Name=georasters_17
Schema=*the_geom:Polygon,location:String
PropertyCollectors=
Caching=false
AbsolutePath=true
CanBeEmpty=true
UseExistingSchema=true
- created a new imagemosaic datastore pointing to this folder
Everything went fine, mosaic "georasters_17.properties" and
"sample_image.dat" created successfully.
Now, comparing this properties file with the one I created manually,
there is one major difference (and some minor ones like expandToRGB),
Levels!
In the automatically created file :
Levels=2.54,2.54
In my file, where I computed the levels myself :
Levels=0.15875,0.15875
The "correct" one, i.e. the one that renders correctly is mine.
Gdalinfo on the underlying GeoTIFFs gives the correct pixelsize, i.e :
Pixel Size = (0.158750000000000,-0.158750000000000)
Why would the imagemosaic plugin guess that levels are 2.54 ? Is there
something wrong in the way I configured the imagemosaic ?
Best regards
--
Arnaud
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