How to locate the lines and arcs in a polyline

[mecoman6GF27]

Hello to all.

I would like to ask you this question: by selecting a polyline is it possible to identify the number of lines and the number of arcs and their positions?

I post an image to explain myself better.

Thanks a lot, bye.

[_gile · Accepted solution]

Hi,

The Polyline class provides a property to get the number of vertices (NumberOfVertices) and methods to get a point at index (GetPoint2dAt and GetPoint3dAt) and to get the segment type at index (GetSegmentType).

Here's a snippet example:

for (int i = 0; i < pline.NumberOfVertices; i++)
{
    ed.WriteMessage($"\n{pline.GetPoint2dAt(i):0.00} = {pline.GetSegmentType(i)}");
}

[mecoman6GF27]

Hello.
I asked myself a question: how can I know the total number of segments of the polyline made up of lines and arcs?

Bye.

[_gile]

Starting with the upper example, you should be able to do it by yourself.

Initialize two counters (e.g. lineCount and arcCount) at 0, and in the for loop increment them according to the value returned by:

pline.GetSegmentType(i)

[mecoman6GF27]

Thanks for your help. Bye