[mapserver-users] Sliver when displaying 0°-360° NetCDF data in EPSG:3857

[Jeff McKenna]

the mapfile is visible at https://gatewaygeomatics.com/dl/netcdf-test.map

-jeff






-- 
Jeff McKenna
MapServer Consulting and Training Services
co-founder of FOSS4G
http://gatewaygeo.com/



On 2020-06-26 2:56 p.m., Jeff McKenna wrote:
> Hi Louis-Philippe,
> 
> With much kind respect, the test case that you provided was not very 
> simple, so I had to spend much effort to create a tiny test case, that 
> contains one of your NetCDF files, and a small mapfile that simply 
> reprojects the file into EPSG:3857 (without WMS etc.).  The small test 
> case contains a single shp2img command to replicate the issue (in a file 
> 'commands.txt') which you can download at 
> https://gatewaygeomatics.com/dl/netcdf-2020-06-26.zip
> 
> The issue that you report, of a sliver (no data) in the map when 
> reprojecting to 3857, is visible in the resulting map images in the live 
> demo at: 
> https://demo.gatewaygeomatics.com/cgi-bin/mapserv?MAP=/home/apps/netcdf/2020-06-26/netcdf-test.map&MODE=browse&TEMPLATE=openlayers&LAYERS=all 
>   (this server is running MapServer-master)
> 
> This should be filed as a new ticket at 
> https://github.com/mapserver/mapserver/issues and point to this test 
> zipfile.
> 
> Have a nice weekend,
> 
> -jeff
> 
> 
> 
>