/// <summary>
/// Tekla's method overload, using coordinate system object instead of 3 points.
/// Returns an enumerator for an array list of lists of plane - solid intersection points from all intersecting faces.
/// The first item of one list contains points of the outmost intersection polygon and then the inner polygons (if there are any).
/// </summary>
/// <param name="solid">Solid to be intersected with a plane.</param>
/// <param name="coordinateSystem">Coordinate system defining a plane.</param>
/// <returns>Enumerator of point lists.</returns>
public static IEnumerator IntersectAllFaces(this Model.Solid solid, Geometry3d.CoordinateSystem coordinateSystem)
{
var point2 = new Geometry3d.Point(coordinateSystem.Origin);
var point3 = new Geometry3d.Point(coordinateSystem.Origin);
point2.Translate(coordinateSystem.AxisX);
point3.Translate(coordinateSystem.AxisY);
return(solid.IntersectAllFaces(coordinateSystem.Origin, point2, point3));
}
/// <summary>
/// Tekla's method overload, using geometric plane object instead of 3 points.
/// Returns an enumerator for an array list of lists of plane - solid intersection points from all intersecting faces.
/// The first item of one list contains points of the outmost intersection polygon and then the inner polygons (if there are any).
/// </summary>
/// <param name="solid">Solid to be intersected with a plane.</param>
/// <param name="plane">Geometric plane.</param>
/// <returns>Enumerator of point lists.</returns>
public static IEnumerator IntersectAllFaces(this Model.Solid solid, Geometry3d.GeometricPlane plane)
{
var normalVector = plane.GetNormal();
var randomVector = GetRandomVector();
while (normalVector.GetAngleBetween(randomVector) == 0 || normalVector.GetAngleBetween(randomVector) == Math.PI)
{
randomVector = GetRandomVector();
}
var firstVectorOnPlane = normalVector.Cross(randomVector);
var secondVectorOnPlane = normalVector.Cross(firstVectorOnPlane);
var point2 = new Geometry3d.Point(plane.Origin);
var point3 = new Geometry3d.Point(plane.Origin);
point2.Translate(firstVectorOnPlane);
point3.Translate(secondVectorOnPlane);
return(solid.IntersectAllFaces(plane.Origin, point2, point3));
}