topic Re: ITopologicalOperator.Intersect V.S. ITopologicalOperator6.IntersectEx? in ArcObjects SDK Questions https://community.esri.com/t5/arcobjects-sdk-questions/itopologicaloperator-intersect-nbsp-v-s-nbsp/m-p/393079#M10492 <HTML><HEAD></HEAD><BODY><SPAN>I understand the nonPlanar parameters now. It has nothing to do with Z-coordinates. It is used to control whether the returned geometry can intersect itself. Refer to the definition of Planar Graph </SPAN><BR /><A class="jive-link-external-small" href="http://en.wikipedia.org/wiki/Planar_graph" rel="nofollow" target="_blank">http://en.wikipedia.org/wiki/Planar_graph</A><BR /><BR /><SPAN>Seems I need to do vertex by vertex manipulation to find the 3D intersection...</SPAN></BODY></HTML> Wed, 19 Feb 2014 20:19:04 GMT SuiHuang 2014-02-19T20:19:04Z ITopologicalOperator.Intersect  V.S.  ITopologicalOperator6.IntersectEx? https://community.esri.com/t5/arcobjects-sdk-questions/itopologicaloperator-intersect-nbsp-v-s-nbsp/m-p/393078#M10491 <HTML><HEAD></HEAD><BODY><SPAN>Hi Everybody:</SPAN><BR /><BR /><SPAN>&nbsp;&nbsp;&nbsp; I am looking for a method to find the 3D intersection of two polylines with Z-coordinates.</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; I checked the functions ITopologicalOperator.Intersect and&nbsp; ITopologicalOperator6.IntersectEx. The difference is that IntersectEx has an additional boolean parameter bNonPlanar. What is this parameter for? Is it a switch to get the result in 3D?</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; Thank you!</SPAN></BODY></HTML> Wed, 19 Feb 2014 19:23:04 GMT https://community.esri.com/t5/arcobjects-sdk-questions/itopologicaloperator-intersect-nbsp-v-s-nbsp/m-p/393078#M10491 SuiHuang 2014-02-19T19:23:04Z Re: ITopologicalOperator.Intersect V.S. ITopologicalOperator6.IntersectEx? https://community.esri.com/t5/arcobjects-sdk-questions/itopologicaloperator-intersect-nbsp-v-s-nbsp/m-p/393079#M10492 <HTML><HEAD></HEAD><BODY><SPAN>I understand the nonPlanar parameters now. It has nothing to do with Z-coordinates. It is used to control whether the returned geometry can intersect itself. Refer to the definition of Planar Graph </SPAN><BR /><A class="jive-link-external-small" href="http://en.wikipedia.org/wiki/Planar_graph" rel="nofollow" target="_blank">http://en.wikipedia.org/wiki/Planar_graph</A><BR /><BR /><SPAN>Seems I need to do vertex by vertex manipulation to find the 3D intersection...</SPAN></BODY></HTML> Wed, 19 Feb 2014 20:19:04 GMT https://community.esri.com/t5/arcobjects-sdk-questions/itopologicaloperator-intersect-nbsp-v-s-nbsp/m-p/393079#M10492 SuiHuang 2014-02-19T20:19:04Z