[Qgis-user] Raster calculator questions

[Chris House]

When using raster calculator in QGIS 3 I  have to create a new raster first to serve as the output. Is the intent of this to overwrite a input raster (I haven't tried this) or something else? I'm confused by this. 

 

Secondly when I specify a CRS in raster calculator I get "insufficient memory for this operation" error.  Using the default output CRS works. This usually requires me to add a reprojection step on the output raster.

 

Windows 10

Samsung SSD

AMD 8 core processor

16 GB RAM

NVIDIA Graphics Card 2GB RAM

 

Thanks

--Chris

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