BLOG.CSHARPHELPER.COM: Determine whether a polygon's points are oriented clockwise in C#

Determine whether a polygon's points are oriented clockwise in C#

This program calculate the polygon's signed area. The result is negative if the polygon is oriented clockwise. See Calculate a polygon's area in C# for more details.

// Return True if the polygon is oriented clockwise.
public bool PolygonIsOrientedClockwise()
{
    return (SignedPolygonArea() < 0);
}

Posted by Rod Stephens at 1/4/2010 7:37 AM

Categories: geometry, algorithms, graphics
Tags: Windows Forms programming geometric operations example program geometry example algorithms orientation C# programming C# polygon clockwise

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