shrug-l: RE: Determining radius of an Arc

O'Rourke, Paul Paul.ORourke at dot.state.fl.us
Tue Apr 5 15:39:23 EDT 2011


Hi Tripp,

I have been able to derive the radius of a curve using input geometry by utilizing the IConstructCircularArc and ICircularArc interfaces in ArcObjects.  The ICircularArc interface includes a Radius property.  Outside of ArcObjects, I'm not sure how you would do it.

Paul

Paul O'Rourke
Transportation Statistics Office
Manager, GIS Support Section
paul.orourke at dot.state.fl.us
850.414.4732
Safety is no accident

From: shrug-l-bounces at lists.dep.state.fl.us [mailto:shrug-l-bounces at lists.dep.state.fl.us] On Behalf Of Tripp Corbin
Sent: Tuesday, April 05, 2011 3:10 PM
To: shrug-l at lists.dep.state.fl.us
Subject: shrug-l: Determining radius of an Arc

Hey Guys,
I need some help. I have a centerline feature class which includes arcs for the curves. They were created using the end-point arc and tangent arc tools. If I wanted to find out what the radius of the arc is, how can I do that. I know how to do this in CAD but have never had to do it in ArcGIS until today. If it is being stored as a true arc in the Geodatabase I would think the radius would be a property.

Tripp Corbin, MCP, CFM, GISP
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