topic Re: buffer 3d polygon in ArcGIS JavaScript Maps SDK Questions

buffer 3d polygon

JamesEyre — Fri, 28 Apr 2017 14:54:41 GMT

i am trying to buffer a polygon that has z values with the js api 4.3. The output geometry has all z values set to 0.

I use the geometryEngineAsync | API Reference | ArcGIS API for JavaScript 4.3 method.

Is it not possible to buffer 3D objects?

Re: buffer 3d polygon

ThomasSolow — Fri, 28 Apr 2017 15:57:01 GMT

If your polygon has uniform z values you could just edit the geometry engine's output like this: JS Bin - Collaborative JavaScript Debugging

If your polygon has varying z values it's a harder problem. I'm not really sure the right way to approach it, but the geometry engine doesn't appear to have a solution built in. Convex hull looks like it respects z values, but it returns the smallest possible enclosing polygon rather than a buffer.

Re: buffer 3d polygon

JamesEyre — Fri, 28 Apr 2017 16:29:16 GMT

My polygon does have varying z values. It is a box.