topic Re: ImportFromWKT CURVEPOLYGON type in ArcGIS Pro SDK Questions

ImportFromWKT CURVEPOLYGON type

FredB — Wed, 07 Jul 2021 15:04:17 GMT

Hello,

I'm trying to generate Geometry from WKT representation. I'm not having issues with simple types (eg LINE, POLYLINE, POLYGON...) but I get an exception when trying to convert a CURVEPOLYGON.

string wkt = "CURVEPOLYGON( CIRCULARSTRING(2626001.305 1230573.515,2626001.74595277 1230572.58234891,2626001.569 1230571.566,2626000.28420587 1230570.66202792,...)); var myGeom = GeometryEngine.Instance.ImportFromWKT(WKTImportFlags.wktImportDefaults, wkt, spatialRef);

I tried to change the WKTImportFlag to wktImportNotTrusted, but without success.

Is there any workaround to handle this situation?

Thanks

Re: ImportFromWKT CURVEPOLYGON type

Anonymous User — Wed, 07 Jul 2021 17:49:08 GMT

Hi Fred,

Esri doesn't support curves in WKT. Curves are not in the OGC spec on WKT, but from what I can tell some databases have extended the spec to include them.

We do support curves in JSON which could be a workaround for you.

https://github.com/esri/arcgis-pro-sdk/wiki/ProConcepts-Geometry#representing-geometries-with-curves-as-json-objects

Annette

Re: ImportFromWKT CURVEPOLYGON type

FredB — Thu, 08 Jul 2021 07:55:15 GMT

Thanks Annette,

I'll have a look a this.

Fred