/// <summary>
/// Aplies the slope in a determined FootPrintRoof.
/// </summary>
/// <param name="overhang">The overhang value.</param>
/// <param name="slope">The slope of the roof</param>
/// <param name="slopeDirection">The vector that represents the directions that the slope should be applied.</param>
/// <param name="footPrintRoof">The Roof</param>
/// <param name="footPrintToModelCurveMapping">The ModelCurveArray generated with the roof instance.</param>
private static void ApplySlope(double overhang, double slope, XYZ slopeDirection, FootPrintRoof footPrintRoof, ModelCurveArray footPrintToModelCurveMapping)
{
ModelCurveArrayIterator iterator = footPrintToModelCurveMapping.ForwardIterator();
iterator.Reset();
while (iterator.MoveNext())
{
ModelCurve modelCurve = iterator.Current as ModelCurve;
Curve curve = modelCurve.GeometryCurve;
XYZ curveDirection = VectorManipulator.GetCurveDirection(curve);
if (curveDirection.DotProduct(slopeDirection) == 0)
{
footPrintRoof.set_DefinesSlope(modelCurve, true);
footPrintRoof.set_SlopeAngle(modelCurve, slope);
}
double elevation = -(overhang - UnitUtils.ConvertToInternalUnits(0.1, UnitTypeId.Meters)) / 3;
footPrintRoof.set_Offset(modelCurve, elevation);
}
}
/// <summary>
/// Create the gables walls of a building.
/// </summary>
/// <param name="vectorDirection">
/// The gable walls will be construct at the walls that its normal
/// vector is parallel with the vectorDirection.
/// </param>
/// <param name="slope">
/// The slope of the gable, must match the slope of the roof.
/// </param>
public void CreateAllGableWalls(XYZ vectorDirection, double slope, CurveArray perimeter, List <Wall> gableWalls)
{
Polygon perimiterPolygon = new Polygon(perimeter);
perimiterPolygon.Normalize();
perimeter = perimiterPolygon.CurveArray;
foreach (Curve line in perimeter)
{
XYZ lineDirection = VectorManipulator.GetCurveDirection(line);
if (lineDirection.CrossProduct(vectorDirection).IsZeroLength())
{
Wall newGableWall = CreateGableWall(line, slope);
Wall intersectionWall = FindIntersectionWall(gableWalls, newGableWall);
bool insert = true;
if (intersectionWall != null)
{
LocationCurve intersectionWallLocation = intersectionWall.Location as LocationCurve;
LocationCurve newGableWallLocation = newGableWall.Location as LocationCurve;
Wall deleteWall;
if (intersectionWallLocation.Curve.Length > newGableWallLocation.Curve.Length)
{
deleteWall = newGableWall;
insert = false;
}
else
{
deleteWall = intersectionWall;
}
gableWalls.Remove(deleteWall);
document.Delete(deleteWall.Id);
}
if (insert)
{
gableWalls.Add(newGableWall);
}
}
}
}
/// <summary>
/// Verifies if the curve is collinear and have atleast one point in common with any line in the given list of lines.
/// </summary>
/// <param name="curve">The curve that will be compared with the list.</param>
/// <param name="lines">The list of lines that the first will be compared with.</param>
/// <returns>Returns true if the curve intersects and is parallel to any line in the array.</returns>
private bool VerifyIntersectionInArray(Curve curve, List <Line> lines)
{
Transform transform = Transform.CreateTranslation(new XYZ(0, 0, -curve.GetEndPoint(0).Z));
curve = curve.CreateTransformed(transform);
foreach (Line line in lines)
{
// verifiy is the line is equal or a subset of the curve
SetComparisonResult result = line.Intersect(curve);
if (result == SetComparisonResult.Equal ||
result == SetComparisonResult.Subset)
{
return(true);
}
// verify if the line intersects and is parallel
if (result == SetComparisonResult.Overlap && (line.Direction.CrossProduct(VectorManipulator.GetCurveDirection(curve)).IsZeroLength()))
{
return(true);
}
}
return(false);
}