[mapserver-users] Issue - Style constantly changes using Mapserver 7.6

[Jeff McKenna]

You can also play with the various PROCESSING directives for raster 
layers to see if that helps: 
https://mapserver.org/input/raster.html#special-processing-directives 
(RESAMPLE, LOAD_FULL_RES_IMAGE, ...)

-jeff





On 2022-02-25 4:34 p.m., Jeff McKenna wrote:
> Maybe my test does show it a little (the brown "rain-snow" area to the 
> left of my mouse, on top of the "rain" green area), as the resampling 
> happens as you zoom-in.
> 
> -jeff
> 
> 
> 
> 
> On 2022-02-25 4:19 p.m., Jeff McKenna wrote:
>> Hi Felix,
>>
>> I have tested your case here locally on Windows with MS4W (this will 
>> be MS4W 5.0-beta3, that contains GDAL 3.4.1, MapServer 8.0dev, PROJ 
>> 8.2.1 etc).
>>
>> I have used one of those GRIB2 files ( 
>> https://dd.weather.gc.ca/model_hrdps/continental/grib2/00/001/CMC_hrdps_continental_PTYPE_SFC_0_ps2.5km_2022022500_P001-00.grib2 
>> ) and created a WMS service through MS4W, and then used QGIS 3.24 to 
>> add the WMS service, and zoomed-in 3 times : see the animated gif at 
>> https://pasteboard.co/N9LZcB9Nfgpc.gif
>>
>> I don't see your issue.
>>
>> Could you pick one GRIB2 file (the one that is shown in the extents of 
>> your image) and change your mapfile to use that single data file (no 
>> patterns) and reproduce your issue?
>>
>> If yes, let us know here the exact filename that is shown in your 
>> image (and the exact extents to use).
>>
>> Have a nice weekend,
>>
>> -jeff
>>
>>
>>
>>
>>
> 
> 


-- 
Jeff McKenna
GatewayGeo: Developers of MS4W, MapServer Consulting and Training
co-founder of FOSS4G
http://gatewaygeo.com/