topic Re: Measure width of a polygon at a point within the polygon in ArcObjects SDK Questions https://community.esri.com/t5/arcobjects-sdk-questions/measure-width-of-a-polygon-at-a-point-within-the/m-p/664365#M17818 <HTML><HEAD></HEAD><BODY><P>That would be a valid option.</P><P></P><P>However, if the line is in the center of the buffer then a single IPolyline:QueryPointAndDistance would do to get half the distance you are looking for. Or determine the distance to the boundary (IProximityOperator:ReturnDistance) and multiply by 2. However, if the polygon shape is not as predictable as shown, your option is much better.</P></BODY></HTML> Wed, 08 Jul 2015 03:35:41 GMT XanderBakker 2015-07-08T03:35:41Z Measure width of a polygon at a point within the polygon https://community.esri.com/t5/arcobjects-sdk-questions/measure-width-of-a-polygon-at-a-point-within-the/m-p/664364#M17817 <HTML><HEAD></HEAD><BODY><P>In the screenshot below, I need to measure W1 and W2.&nbsp; The polygon is shown in green.&nbsp; There are two point features which lie within the polygon shown in dark green.&nbsp; I would like the distance from the points to the polygon boundary measured in a direction perpendicular to the linear feature shown in dark red.&nbsp; I can construct perpendiculars using the IConstructPoint.ConstructPerpendicular method.&nbsp; Is the easiest way to find W1 and W2 to construct perpendicular lines at the points shown and then clip those lines with the polygon? </P><P></P><P><IMG alt="polygon_width.PNG" class="image-1 jive-image" src="https://community.esri.com/legacyfs/online/115926_polygon_width.PNG" style="width: 620px; height: 252px;" /></P></BODY></HTML> Tue, 07 Jul 2015 22:09:38 GMT https://community.esri.com/t5/arcobjects-sdk-questions/measure-width-of-a-polygon-at-a-point-within-the/m-p/664364#M17817 TedRakel 2015-07-07T22:09:38Z Re: Measure width of a polygon at a point within the polygon https://community.esri.com/t5/arcobjects-sdk-questions/measure-width-of-a-polygon-at-a-point-within-the/m-p/664365#M17818 <HTML><HEAD></HEAD><BODY><P>That would be a valid option.</P><P></P><P>However, if the line is in the center of the buffer then a single IPolyline:QueryPointAndDistance would do to get half the distance you are looking for. Or determine the distance to the boundary (IProximityOperator:ReturnDistance) and multiply by 2. However, if the polygon shape is not as predictable as shown, your option is much better.</P></BODY></HTML> Wed, 08 Jul 2015 03:35:41 GMT https://community.esri.com/t5/arcobjects-sdk-questions/measure-width-of-a-polygon-at-a-point-within-the/m-p/664365#M17818 XanderBakker 2015-07-08T03:35:41Z