topic Attribute tables and 32-bit floating point rasters. in Data Management Questions https://community.esri.com/t5/data-management-questions/attribute-tables-and-32-bit-floating-point-rasters/m-p/525404#M29829 <HTML><HEAD></HEAD><BODY><SPAN>I am currently working on a project that I need to determine the number of values in a raster over a certain threshold.&nbsp; The only way I can think of doing this is by creating an attribute table for the raster that I'm analyzing and selecting the values over the threshold allowing me to collect a count of the values.&nbsp; Is there some way to around the 32-bit/floating point restriction, or another tool that anyone has worked with that would allow for the counting of values?</SPAN><BR /><BR /><SPAN>If anyone could help me out, I would be most grateful.</SPAN></BODY></HTML> Mon, 05 Mar 2012 18:34:15 GMT adamrose 2012-03-05T18:34:15Z Attribute tables and 32-bit floating point rasters. https://community.esri.com/t5/data-management-questions/attribute-tables-and-32-bit-floating-point-rasters/m-p/525404#M29829 <HTML><HEAD></HEAD><BODY><SPAN>I am currently working on a project that I need to determine the number of values in a raster over a certain threshold.&nbsp; The only way I can think of doing this is by creating an attribute table for the raster that I'm analyzing and selecting the values over the threshold allowing me to collect a count of the values.&nbsp; Is there some way to around the 32-bit/floating point restriction, or another tool that anyone has worked with that would allow for the counting of values?</SPAN><BR /><BR /><SPAN>If anyone could help me out, I would be most grateful.</SPAN></BODY></HTML> Mon, 05 Mar 2012 18:34:15 GMT https://community.esri.com/t5/data-management-questions/attribute-tables-and-32-bit-floating-point-rasters/m-p/525404#M29829 adamrose 2012-03-05T18:34:15Z Re: Attribute tables and 32-bit floating point rasters. https://community.esri.com/t5/data-management-questions/attribute-tables-and-32-bit-floating-point-rasters/m-p/525405#M29830 <HTML><HEAD></HEAD><BODY><SPAN>I would consider using the</SPAN><A href="http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//009z000000sr000000.htm"> Reclassify</A><SPAN> tool on the floating point raster and then select the class break as your desired selection.&nbsp; The resulting raster should have the pixels that are above the value.&nbsp; While the values will be different the attribute table created could be used to total the number of pixels in your class.&nbsp; Be sure your raster has statistics and a histogram created for the classify button to work in the tool. Without the statistics and histogram, the classify button will not seem to do anything.</SPAN></BODY></HTML> Thu, 08 Mar 2012 15:43:29 GMT https://community.esri.com/t5/data-management-questions/attribute-tables-and-32-bit-floating-point-rasters/m-p/525405#M29830 JeffreySwain 2012-03-08T15:43:29Z