// Region extensions
///<summary>
/// Returns whether a Region contains a Point3d.
///</summary>
///<param name="pt">A points to test against the Region.</param>
///<returns>A Boolean indicating whether the Region contains
/// the point.</returns>
public static bool ContainsPoint(this _AcDb.Region reg, _AcGe.Point3d pt)
{
using (var brep = new _AcBr.Brep(reg))
{
var pc = new _AcBr.PointContainment();
using (var brepEnt = brep.GetPointContainment(pt, out pc))
{
return(pc != _AcBr.PointContainment.Outside);
}
}
}
///<summary>
/// Returns whether a Region contains a set of Point3ds.
///</summary>
///<param name="pts">An array of points to test against the Region.</param>
///<returns>A Boolean indicating whether the Region contains
/// all the points.</returns>
public static bool ContainsPoints(this _AcDb.Region reg, _AcGe.Point3d[] pts)
{
using (var brep = new _AcBr.Brep(reg))
{
foreach (var pt in pts)
{
var pc = new _AcBr.PointContainment();
using (var brepEnt = brep.GetPointContainment(pt, out pc))
{
if (pc == _AcBr.PointContainment.Outside)
{
return(false);
}
}
}
}
return(true);
}