Hello,
i’ve recently worked with a raster from a NetCDF file and noticed, that loading the raster in FME gives a different raster than loading it in QGIS or ArcGIS-Pro (see Screenshots).
Data can be found here: https://opendata.dwd.de/climate_environment/CDC/grids_germany/daily/hyras_de/precipitation/
My question is why? Has anyone experienced this behavior before?
Are you sure that you don’t have multiple rasters in your NetCDF that gets overlayed when visualizing them in FME? This typically happens if you have e.g. a time axis.
Somewhat sure. As you can see in the screenshot in the ‘Feature Information’ tab the feature class ‘pr’ contains only one raster and the time axis is represented by different bands of the same raster.
Somewhat sure. As you can see in the screenshot in the ‘Feature Information’ tab the feature class ‘pr’ contains only one raster and the time axis is represented by different bands of the same raster.
That’s what I expected. Try using a RasterBandSeparator and only looking at single bands at the time.
I’ve tried it just now and this does not seem to be the problem. But i’ve noticed that the background map changes the way the raster is daisplayed which seems unintuitive.
Turning off the background map or turning the raster into points with a RasterCellCoercer resolves the issue (see below):
On the other hand viewing only one band does not resolve the issue (see below):
