https://community.esri.com/t5/arcgis-pro-questions/calculate-geometry-using-geodesic-option/m-p/1312407#M71479 <P>If I have a layer in geographic coordinates, and right-click an ArcGIS-provided Shape_geometry field, the Calculate Geometry tool is grayed out. ...I understand why.</P><P>However, if I choose to access the tool from Toolbox, I can proceed in completing the dialog box. In fact, there is an option to calculate in "geodesic mode". ...Simply being curious, I tried and received Error 130091, Field is not editable.</P><P>Can someone explain what's technically going on here?</P><P>Thanks, CCE</P><P>&nbsp;</P><P>&nbsp;</P> Thu, 27 Jul 2023 01:35:43 GMT Craig_Eissler_Iceman 2023-07-27T01:35:43Z https://community.esri.com/t5/arcgis-pro-questions/calculate-geometry-using-geodesic-option/m-p/1312407#M71479 <P>If I have a layer in geographic coordinates, and right-click an ArcGIS-provided Shape_geometry field, the Calculate Geometry tool is grayed out. ...I understand why.</P><P>However, if I choose to access the tool from Toolbox, I can proceed in completing the dialog box. In fact, there is an option to calculate in "geodesic mode". ...Simply being curious, I tried and received Error 130091, Field is not editable.</P><P>Can someone explain what's technically going on here?</P><P>Thanks, CCE</P><P>&nbsp;</P><P>&nbsp;</P> Thu, 27 Jul 2023 01:35:43 GMT https://community.esri.com/t5/arcgis-pro-questions/calculate-geometry-using-geodesic-option/m-p/1312407#M71479 Craig_Eissler_Iceman 2023-07-27T01:35:43Z