https://community.esri.com/t5/arcmap-questions/how-accurate-is-surface-volume-tool/m-p/1004823#M1627 <P>what is the input? (tin, raster etc)</P><P>resolution of the data?</P><P>accuracy of the data?</P><P>Are you seeing differences in the calculations?&nbsp; What does PostGIS use?</P><P>Too many factors to consider with a comparable comparison between the two.</P><P><A href="https://pro.arcgis.com/en/pro-app/tool-reference/3d-analyst/surface-volume.htm" target="_blank">Surface Volume (3D Analyst)—ArcGIS Pro | Documentation</A></P> Wed, 25 Nov 2020 20:41:59 GMT DanPatterson 2020-11-25T20:41:59Z https://community.esri.com/t5/arcmap-questions/how-accurate-is-surface-volume-tool/m-p/1004812#M1626 <P>Hi,</P><P>Does anyone know how accurate the Surface Volume Tool is?</P><P>I'm using it to calculate volume bathymetry data and comparing it to PostGIS volume calculations to get the most accuracy.</P> Wed, 25 Nov 2020 20:18:40 GMT https://community.esri.com/t5/arcmap-questions/how-accurate-is-surface-volume-tool/m-p/1004812#M1626 AmyO_Keefe 2020-11-25T20:18:40Z https://community.esri.com/t5/arcmap-questions/how-accurate-is-surface-volume-tool/m-p/1004823#M1627 <P>what is the input? (tin, raster etc)</P><P>resolution of the data?</P><P>accuracy of the data?</P><P>Are you seeing differences in the calculations?&nbsp; What does PostGIS use?</P><P>Too many factors to consider with a comparable comparison between the two.</P><P><A href="https://pro.arcgis.com/en/pro-app/tool-reference/3d-analyst/surface-volume.htm" target="_blank">Surface Volume (3D Analyst)—ArcGIS Pro | Documentation</A></P> Wed, 25 Nov 2020 20:41:59 GMT https://community.esri.com/t5/arcmap-questions/how-accurate-is-surface-volume-tool/m-p/1004823#M1627 DanPatterson 2020-11-25T20:41:59Z