(Re-sending this in plain text and no attachments)
Hi all,
Running Geoserver 2.8 and have an imagemosaic store with a NetCDF. The NetCDF defines a grid which crosses the dateline (x range [150,240], equivalent to 150E to 120W, or 150 to -120). The NetCDF is stored in EPSG:4326.
Through WMS, if I request the data with a minX/maxX of 0,360 the grid is drawn correctly in the middle of the image.
However, if I specify a minX/maxX of -180,180, only part of the grid is drawn on the right side of the image (the section between 150,180). The section between 180,240, or -180,-120, expected on the left side of the image, is not drawn.
I assume this is caused by the NetCDF reader not wrapping the dateline correctly. For example, x=190 is not mapped to -170, so no data is found.
Is there a workaround to this issue?
Again, this issue is only seen on grids which cross the dateline.
Thanks,
-ap
Hi Alberto,
do you have any chance to share a sample?
There should be already code which does additional checks and read combinations to deal with case of data in the range 0-360.
https://osgeo-org.atlassian.net/browse/GEOT-5205
Having a sample data can allow us investigating on this. You may consider opening a JIRA, attaching a sample to replicate it.
Cheers,
Daniele
···
On Tue, Feb 23, 2016 at 3:48 PM, Peirats, Alberto <apeirats@anonymised.com.5740…> wrote:
(Re-sending this in plain text and no attachments)
Hi all,
Running Geoserver 2.8 and have an imagemosaic store with a NetCDF. The NetCDF defines a grid which crosses the dateline (x range [150,240], equivalent to 150E to 120W, or 150 to -120). The NetCDF is stored in EPSG:4326.
Through WMS, if I request the data with a minX/maxX of 0,360 the grid is drawn correctly in the middle of the image.
However, if I specify a minX/maxX of -180,180, only part of the grid is drawn on the right side of the image (the section between 150,180). The section between 180,240, or -180,-120, expected on the left side of the image, is not drawn.
I assume this is caused by the NetCDF reader not wrapping the dateline correctly. For example, x=190 is not mapped to -170, so no data is found.
Is there a workaround to this issue?
Again, this issue is only seen on grids which cross the dateline.
Thanks,
-ap
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