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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><div><p class=MsoNormal>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. <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>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.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Windows 10<o:p></o:p></p></div><div><p class=MsoNormal>Samsung SSD<o:p></o:p></p></div><div><p class=MsoNormal>AMD 8 core processor<o:p></o:p></p></div><div><p class=MsoNormal>16 GB RAM<o:p></o:p></p></div><div><p class=MsoNormal>NVIDIA Graphics Card 2GB RAM<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks<o:p></o:p></p></div><div><p class=MsoNormal>--Chris<o:p></o:p></p></div></div></div></body></html>