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Count of polylines intersecting with circle


priyanka_mehta

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Hi All,

 

I have created a circle. This circle might intersect with surrounding polylines. I need to know if the circle is intersecting with any polyline and if yes then the count of polyline it intersects with.

 

I tried using :

 

intpoints = entPoly.IntersectWith(circleObj, acExtendNone)

 

but this gives me the coordinates at intersecting points. I m basically having problem with finding out the count of polylines intersecting with circle.

 

Thanks and Regards,

Priyanka

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Another method may be via:

 

SelectionSet.SelectByPolygon acSelectionSetCrossingPolygon, PointsList, FilterType, FilterData

 

Where pointList describes an arbitrarily precise “faceted” circle.

 

The points could be generated with successive calls to:

 

ThisDrawing.Utility.PolarPoint(CircleCentert, angle, CircleRadius)

 

Where angle is determined by 2PI/#ofFacets

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