Mosaic to New Raster adds white background

JakubWabinski

Hey guys,

I am preparing a bigger script for spatial data processing using, inter alia, arcpy.

 Part of the script is supposed to mosaic the newly added raster datasets to a geodatabase. The original rasters have no background but after using the Mosaic to New Raster function, a white background is added. I know that this background can be masked out in the symbology pane but I would like to handle it using arcpy. Could you please suggest a solution?

Before mosaicing

After mosaicing

 

 

MichaelS

Hi Jakob, It looks like the tool is assigning a background value  to your mosaic. You could try checking the value of the white background, then setting your no data value to that value in the Environments pane of the Mosaic to New Raster tool, re-run and see if that helps.