topic Map Algebra tool error in LIDAR Resources Questions https://community.esri.com/t5/lidar-resources-questions/map-algebra-tool-error/m-p/819872#M87 <HTML><HEAD></HEAD><BODY><P>I am trying to use the map algebra tool and create a new raster(y) such that y= -46.7 +10*log10(original raster(tiff file)).</P><P></P><P>However whenever I do the calculations, the pixels in the new one are not oriented in the same way as the old ones, and several pixel squares are joined together in larger ones.</P><P></P><P>Any experience with this, or what would be the best way to apply this simple formula to each pixel?</P><P></P><P>------</P></BODY></HTML> Tue, 22 May 2018 20:37:11 GMT Jorgede_la_Riva 2018-05-22T20:37:11Z Map Algebra tool error https://community.esri.com/t5/lidar-resources-questions/map-algebra-tool-error/m-p/819872#M87 <HTML><HEAD></HEAD><BODY><P>I am trying to use the map algebra tool and create a new raster(y) such that y= -46.7 +10*log10(original raster(tiff file)).</P><P></P><P>However whenever I do the calculations, the pixels in the new one are not oriented in the same way as the old ones, and several pixel squares are joined together in larger ones.</P><P></P><P>Any experience with this, or what would be the best way to apply this simple formula to each pixel?</P><P></P><P>------</P></BODY></HTML> Tue, 22 May 2018 20:37:11 GMT https://community.esri.com/t5/lidar-resources-questions/map-algebra-tool-error/m-p/819872#M87 Jorgede_la_Riva 2018-05-22T20:37:11Z Re: Map Algebra tool error https://community.esri.com/t5/lidar-resources-questions/map-algebra-tool-error/m-p/819873#M88 <HTML><HEAD></HEAD><BODY><P>single band tif?&nbsp; type of tif (8, 16, etc bit)</P><P>range of values in the tif and the nodata value?&nbsp;</P><P>(just checking to make sure that overflow/wrap/underflow isn't occurring)</P></BODY></HTML> Tue, 22 May 2018 21:20:40 GMT https://community.esri.com/t5/lidar-resources-questions/map-algebra-tool-error/m-p/819873#M88 DanPatterson_Retired 2018-05-22T21:20:40Z