public static BH.oM.Geometry.Vector DominantVector(this IElement2D element2D, bool orthogonalPriority = true, double orthogonalLengthFactor = 0.5, double angleTolerance = BH.oM.Geometry.Tolerance.Angle)
{
if (element2D == null || orthogonalPriority == null || orthogonalLengthFactor == null || angleTolerance == null)
{
BH.Engine.Reflection.Compute.RecordError("One or more of the inputs is empty or null.");
return(null);
}
IElement1D outline = BH.Engine.Geometry.Create.PolyCurve(element2D.IOutlineElements1D().Select(x => x.IGeometry()));
return(DominantVector(outline, orthogonalPriority, orthogonalLengthFactor, angleTolerance));
}
public static bool IsNearGrid(this IElement2D element2D, Grid grid, double maxDistance)
{
List <IElement1D> elements1D = element2D.IOutlineElements1D();
foreach (IElement1D e1D in elements1D)
{
if (IsNearGrid(e1D, grid, maxDistance))
{
return(true);
}
}
return(false);
}
public static IElement2D RoundCoordinates(this IElement2D element2d, int decimalPlaces = 6)
{
bool planar = element2d.IIsPlanar();
if (planar)
{
Vector normal = element2d.FitPlane().Normal.Normalise();
//If the element is planar AND aligned with one of the main coordinate system's planes then rounded element will get projected on this plane to keep it's planarity.
if (Math.Abs(Math.Abs(normal.X) - 1) < Tolerance.Angle ||
Math.Abs(Math.Abs(normal.Y) - 1) < Tolerance.Angle ||
Math.Abs(Math.Abs(normal.Z) - 1) < Tolerance.Angle)
{
Plane plane = new Plane()
{
Origin = Geometry.Modify.RoundCoordinates(element2d.OutlineCurve().StartPoint(), decimalPlaces), Normal = normal.RoundCoordinates(0)
};
element2d = element2d.ISetOutlineElements1D(element2d.IOutlineElements1D().Select(x => x.ISetGeometry(Geometry.Modify.IRoundCoordinates(x.IGeometry().IProject(plane), decimalPlaces))).ToList());
return(element2d.ISetInternalElements2D(element2d.IInternalElements2D().Select(y => y.ISetOutlineElements1D(y.IOutlineElements1D().Select(x => x.ISetGeometry(Geometry.Modify.IRoundCoordinates(x.IGeometry().IProject(plane), decimalPlaces))).ToList())).ToList()));
}
}
//Here is the part with the default way of rounding element's coordinates:
IElement2D newElement2d = element2d.ISetOutlineElements1D(element2d.IOutlineElements1D().Select(x => x.ISetGeometry(Geometry.Modify.IRoundCoordinates(x.IGeometry(), decimalPlaces))).ToList());
newElement2d = newElement2d.ISetInternalElements2D(newElement2d.IInternalElements2D().Select(y => y.ISetOutlineElements1D(y.IOutlineElements1D().Select(x => x.ISetGeometry(Geometry.Modify.IRoundCoordinates(x.IGeometry(), decimalPlaces))).ToList())).ToList());
if (planar && !newElement2d.IsPlanar()) //If the original element was planar we need to ensure that result is planar as well.
{
Reflection.Compute.RecordWarning("Rounding the coordinates of an IElement2D couldn't be achieved without losing planarity. No action has been taken.");
return(element2d);
}
return(newElement2d);
}
public static bool IsNearLevel(this IElement2D element2D, Level level, double maxDistance)
{
List <IElement1D> elements1D = element2D.IOutlineElements1D();
foreach (IElement1D e1D in elements1D)
{
if (IsNearLevel(e1D, level, maxDistance))
{
return(true);
}
}
return(false);
}
/***************************************************/
/**** Public Methods - IElements ****/
/***************************************************/
public static IElement2D Translate(this IElement2D element2D, Vector transform) //todo: move this to analytical along with other IElement methods
{
List <IElement1D> newOutline = new List <IElement1D>();
foreach (IElement1D element1D in element2D.IOutlineElements1D())
{
newOutline.Add(element1D.Translate(transform));
}
IElement2D result = element2D.ISetOutlineElements1D(newOutline);
List <IElement2D> newInternalOutlines = new List <IElement2D>();
foreach (IElement2D internalElement2D in result.IInternalElements2D())
{
newInternalOutlines.Add(internalElement2D.Translate(transform));
}
result = result.ISetInternalElements2D(newInternalOutlines);
return(result);
}
public static IElement2D RoundCoordinates(this IElement2D element2d, int decimalPlaces = 6)
{
Vector normal = element2d.Normal().Normalise();
if (Math.Abs(Math.Abs(normal.X) - 1) < Tolerance.Angle ||
Math.Abs(Math.Abs(normal.Y) - 1) < Tolerance.Angle ||
Math.Abs(Math.Abs(normal.Z) - 1) < Tolerance.Angle)
{
Plane plane = new Plane()
{
Origin = Geometry.Modify.RoundCoordinates(element2d.OutlineCurve().StartPoint(), decimalPlaces), Normal = normal.RoundCoordinates(0)
};
element2d = element2d.ISetOutlineElements1D(element2d.IOutlineElements1D().Select(x => x.ISetGeometry(Geometry.Modify.IRoundCoordinates(x.IGeometry().IProject(plane), decimalPlaces))).ToList());
return(element2d.ISetInternalElements2D(element2d.IInternalElements2D().Select(y => y.ISetOutlineElements1D(y.IOutlineElements1D().Select(x => x.ISetGeometry(Geometry.Modify.IRoundCoordinates(x.IGeometry().IProject(plane), decimalPlaces))).ToList())).ToList()));
}
Reflection.Compute.RecordWarning("Rounding the coordinates of a planar surface that is not aligned with the global coordinate system cannot be achieved without risk of losing planarity. No action has been taken.");
return(element2d);
}
/***************************************************/
/**** Private Methods - IElements ****/
/***************************************************/
private static IElement2D Transform(this IElement2D element2D, TransformMatrix transform, double tolerance)
{
if (!transform.IsRigidTransformation(tolerance))
{
BH.Engine.Reflection.Compute.RecordError("Transformation failed: only rigid body transformations are currently supported.");
return null;
}
List<IElement1D> newOutline = new List<IElement1D>();
foreach (IElement1D element1D in element2D.IOutlineElements1D())
{
newOutline.Add(element1D.Transform(transform, tolerance));
}
IElement2D result = element2D.ISetOutlineElements1D(newOutline);
List<IElement2D> newInternalOutlines = new List<IElement2D>();
foreach (IElement2D internalElement2D in result.IInternalElements2D())
{
newInternalOutlines.Add(internalElement2D.Transform(transform, tolerance));
}
result = result.ISetInternalElements2D(newInternalOutlines);
return result;
}
/******************************************/
/**** IElement2D ****/
/******************************************/
public static PolyCurve IOutlineCurve(this IElement2D element2D)
{
return(new PolyCurve {
Curves = element2D.IOutlineElements1D().Select(e => e.IGeometry()).ToList()
});
}