Exemplo n.º 1
0
        /***************************************************/
        /****              Public methods               ****/
        /***************************************************/

        public static ICurve AdjustedLocationCurveFraming(this IFramingElement framingElement, FamilyInstance familyInstance, RevitSettings settings = null)
        {
            settings = settings.DefaultIfNull();

            ICurve curve = framingElement?.Location;

            if (curve == null || (!(curve is NurbsCurve) && curve.ILength() <= settings.DistanceTolerance))
            {
                framingElement.FramingCurveNotFoundWarning();
                return(null);
            }

            BH.oM.Geometry.Line line = curve as BH.oM.Geometry.Line;
            if (line == null)
            {
                familyInstance.NonLinearFramingOffsetWarning();
                return(curve);
            }

            Output <Vector, Vector> offsets = familyInstance.FramingOffsetVectors();
            Vector startOffset = -offsets.Item1;
            Vector endOffset   = -offsets.Item2;

            double startOffsetLength = startOffset.Length();
            double endOffsetLength   = endOffset.Length();

            if (startOffsetLength > settings.DistanceTolerance || endOffsetLength > settings.DistanceTolerance)
            {
                if ((startOffset - endOffset).Length() > settings.DistanceTolerance)
                {
                    BH.Engine.Reflection.Compute.RecordError(String.Format("Adjusted location curve of a Revit framing element could not be found because it has non-uniform offsets at ends. Revit ElementId: {0}", familyInstance.Id));
                    return(null);
                }

                Transform transform    = familyInstance.GetTotalTransform();
                Vector    yOffsetStart = new Vector {
                    X = transform.BasisY.X * startOffset.Y, Y = transform.BasisY.Y * startOffset.Y, Z = transform.BasisY.Z * startOffset.Y
                };
                Vector zOffsetStart = new Vector {
                    X = transform.BasisZ.X * startOffset.Z, Y = transform.BasisZ.Y * startOffset.Z, Z = transform.BasisZ.Z * startOffset.Z
                };
                Vector yOffsetEnd = new Vector {
                    X = transform.BasisY.X * endOffset.Y, Y = transform.BasisY.Y * endOffset.Y, Z = transform.BasisY.Z * endOffset.Y
                };
                Vector zOffsetEnd = new Vector {
                    X = transform.BasisZ.X * endOffset.Z, Y = transform.BasisZ.Y * endOffset.Z, Z = transform.BasisZ.Z * endOffset.Z
                };
                line = new BH.oM.Geometry.Line {
                    Start = line.Start.Translate(yOffsetStart + zOffsetStart), End = line.End.Translate(yOffsetEnd + zOffsetEnd)
                };
            }

            Vector dir            = line.Direction();
            double startExtension = familyInstance.LookupParameterDouble(BuiltInParameter.START_EXTENSION);

            if (!double.IsNaN(startExtension))
            {
                line.Start = line.Start + dir * startExtension;
            }

            double endExtension = familyInstance.LookupParameterDouble(BuiltInParameter.END_EXTENSION);

            if (!double.IsNaN(endExtension))
            {
                line.End = line.End - dir * endExtension;
            }

            return(line);
        }