topic Controling raster precision (pixel type) in Data Management Questions https://community.esri.com/t5/data-management-questions/controling-raster-precision-pixel-type/m-p/682447#M38720 <HTML><HEAD></HEAD><BODY><SPAN>Hello,</SPAN><BR /><BR /><SPAN>I'm running some raster calculations (spatial analyst, using Python, v10.2.2) and get massive 64-bit double precision rasters </SPAN><BR /><SPAN>as default output.&nbsp; Is there any way to force single precision or 32-bit depth aside from this approach:</SPAN><BR /><BR /><BR /><SPAN>[INDENT]1. run the calculation e.g. </SPAN><PRE class="lia-code-sample line-numbers language-none">r1 = FocalStatistics(inputRaster, nbrValue, statistic, "DATA") outRas = (r1 / 63.5) </PRE><SPAN> where inputRaster is an unsigned 8-bit raster </SPAN><BR /><SPAN>2. Convert outRas to an integer by multiplying by 1,000, then rounding to keep only the first 3 decimal places</SPAN><BR /><SPAN>3. Converting back to float (32-bit hopefully) by dividing by 1,000</SPAN><BR /><SPAN>4. Saving to output format (file GDB or GeoTIFF)</SPAN><BR /><SPAN>[/INDENT]</SPAN><BR /><BR /><BR /><SPAN>Any other way to control pixel type than this?&nbsp; Thoughts/insights appreciated!</SPAN><BR /><BR /><SPAN>Thanks,</SPAN><BR /><SPAN>Lisa</SPAN></BODY></HTML> Sun, 12 Dec 2021 04:42:37 GMT LisaNelson 2021-12-12T04:42:37Z Controling raster precision (pixel type) https://community.esri.com/t5/data-management-questions/controling-raster-precision-pixel-type/m-p/682447#M38720 <HTML><HEAD></HEAD><BODY><SPAN>Hello,</SPAN><BR /><BR /><SPAN>I'm running some raster calculations (spatial analyst, using Python, v10.2.2) and get massive 64-bit double precision rasters </SPAN><BR /><SPAN>as default output.&nbsp; Is there any way to force single precision or 32-bit depth aside from this approach:</SPAN><BR /><BR /><BR /><SPAN>[INDENT]1. run the calculation e.g. </SPAN><PRE class="lia-code-sample line-numbers language-none">r1 = FocalStatistics(inputRaster, nbrValue, statistic, "DATA") outRas = (r1 / 63.5) </PRE><SPAN> where inputRaster is an unsigned 8-bit raster </SPAN><BR /><SPAN>2. Convert outRas to an integer by multiplying by 1,000, then rounding to keep only the first 3 decimal places</SPAN><BR /><SPAN>3. Converting back to float (32-bit hopefully) by dividing by 1,000</SPAN><BR /><SPAN>4. Saving to output format (file GDB or GeoTIFF)</SPAN><BR /><SPAN>[/INDENT]</SPAN><BR /><BR /><BR /><SPAN>Any other way to control pixel type than this?&nbsp; Thoughts/insights appreciated!</SPAN><BR /><BR /><SPAN>Thanks,</SPAN><BR /><SPAN>Lisa</SPAN></BODY></HTML> Sun, 12 Dec 2021 04:42:37 GMT https://community.esri.com/t5/data-management-questions/controling-raster-precision-pixel-type/m-p/682447#M38720 LisaNelson 2021-12-12T04:42:37Z