topic Re: Aggregate and Block statistics returning higher values than before. in ArcGIS Pro Questions https://community.esri.com/t5/arcgis-pro-questions/aggregate-and-block-statistics-returning-higher/m-p/629109#M28009 <HTML><HEAD></HEAD><BODY><P>what are the input raster statistics?</P><P>what were the options you used for aggregate and block statistics?</P><P>(cell size, block size etc)</P></BODY></HTML> Wed, 13 Mar 2019 02:54:46 GMT DanPatterson_Retired 2019-03-13T02:54:46Z Aggregate and Block statistics returning higher values than before. https://community.esri.com/t5/arcgis-pro-questions/aggregate-and-block-statistics-returning-higher/m-p/629108#M28008 <HTML><HEAD></HEAD><BODY><P>Hey Everyone. Everytime I run aggregate or block statistics to reduce the resolution of a DEM I end up with higher maximum and minimum values then before. Does anyone know any reason why I'm running into that? The picture shows what I'm talking about. Thanks</P></BODY></HTML> Tue, 12 Mar 2019 11:38:07 GMT https://community.esri.com/t5/arcgis-pro-questions/aggregate-and-block-statistics-returning-higher/m-p/629108#M28008 AaranLewis 2019-03-12T11:38:07Z Re: Aggregate and Block statistics returning higher values than before. https://community.esri.com/t5/arcgis-pro-questions/aggregate-and-block-statistics-returning-higher/m-p/629109#M28009 <HTML><HEAD></HEAD><BODY><P>what are the input raster statistics?</P><P>what were the options you used for aggregate and block statistics?</P><P>(cell size, block size etc)</P></BODY></HTML> Wed, 13 Mar 2019 02:54:46 GMT https://community.esri.com/t5/arcgis-pro-questions/aggregate-and-block-statistics-returning-higher/m-p/629109#M28009 DanPatterson_Retired 2019-03-13T02:54:46Z Re: Aggregate and Block statistics returning higher values than before. https://community.esri.com/t5/arcgis-pro-questions/aggregate-and-block-statistics-returning-higher/m-p/629110#M28010 <HTML><HEAD></HEAD><BODY><P>It's a 23 GB DEM with a cell size of 0.000277, tiff, floating point, the resolution is 30 meters.</P><P>For aggregate I used mean with a cell factor of 2, I want to get to 60 meters to work better with the image without losing too much. I also market not to expand extent if needed.</P><P>For block statistics, I dont really know how to use it. I just choose "rectangle" width and height "3" and unit type "cell".</P><P></P><P>My goal with it all is to use the basin function, but since the original DEM is too bit it would take ages to do it.</P><P></P><P>Thanks for the help.</P></BODY></HTML> Thu, 14 Mar 2019 15:30:04 GMT https://community.esri.com/t5/arcgis-pro-questions/aggregate-and-block-statistics-returning-higher/m-p/629110#M28010 AaranLewis 2019-03-14T15:30:04Z