https://community.esri.com/t5/arcgis-pro-ideas/3d-topology-rules-and-checks/idi-p/961749 <P>Topology rules that check for 3D issues in feature classes with z-values are needed. For example, '3D gaps' that exist in polygon data because of vertices with differing z-values are not identified with existing 2D topology checks. &nbsp;Additionally, 3D polygon features without any 2D topology problems (e.g. gaps and overlaps) can exist on different planes because of differing z-values. &nbsp;3D topology checks that identify these types of issues in 3D data would be useful.&nbsp;</P><!-- content transformation source ID: 087E0000000CsyU --> Thu, 24 Jun 2021 18:18:41 GMT TonyViveiros 2021-06-24T18:18:41Z https://community.esri.com/t5/arcgis-pro-ideas/3d-topology-rules-and-checks/idi-p/961749 <P>Topology rules that check for 3D issues in feature classes with z-values are needed. For example, '3D gaps' that exist in polygon data because of vertices with differing z-values are not identified with existing 2D topology checks. &nbsp;Additionally, 3D polygon features without any 2D topology problems (e.g. gaps and overlaps) can exist on different planes because of differing z-values. &nbsp;3D topology checks that identify these types of issues in 3D data would be useful.&nbsp;</P><!-- content transformation source ID: 087E0000000CsyU --> Thu, 24 Jun 2021 18:18:41 GMT https://community.esri.com/t5/arcgis-pro-ideas/3d-topology-rules-and-checks/idi-p/961749 TonyViveiros 2021-06-24T18:18:41Z