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| 1 | +using System.Collections.Generic; |
| 2 | +using System.Linq; |
| 3 | +using Autodesk.DesignScript.Geometry; |
| 4 | +using Autodesk.DesignScript.Runtime; |
| 5 | +using Autodesk.Revit.DB; |
| 6 | +using Revit.GeometryConversion; |
| 7 | +using Curve = Autodesk.DesignScript.Geometry.Curve; |
| 8 | +using DBCurve = Autodesk.Revit.DB.Curve; |
| 9 | +using DBSketch = Autodesk.Revit.DB.Sketch; |
| 10 | + |
| 11 | +namespace Revit.Elements |
| 12 | +{ |
| 13 | + /// <summary> |
| 14 | + /// A Revit Sketch element. Sketches hold the model curves, reference planes |
| 15 | + /// and dimensions that define the 2-dimensional profile of a sketch-based |
| 16 | + /// element such as a Floor, Roof, or PropertyLine. |
| 17 | + /// </summary> |
| 18 | + public class Sketch : Element |
| 19 | + { |
| 20 | + #region Internal properties |
| 21 | + |
| 22 | + /// <summary> |
| 23 | + /// Internal handle on the Revit Sketch. |
| 24 | + /// </summary> |
| 25 | + internal DBSketch InternalSketch { get; private set; } |
| 26 | + |
| 27 | + /// <summary> |
| 28 | + /// Reference to the wrapped element. |
| 29 | + /// </summary> |
| 30 | + [SupressImportIntoVM] |
| 31 | + public override Autodesk.Revit.DB.Element InternalElement |
| 32 | + { |
| 33 | + get { return InternalSketch; } |
| 34 | + } |
| 35 | + |
| 36 | + #endregion |
| 37 | + |
| 38 | + #region Private constructors |
| 39 | + |
| 40 | + private Sketch(DBSketch sketch) |
| 41 | + { |
| 42 | + SafeInit(() => InitSketch(sketch), true); |
| 43 | + } |
| 44 | + |
| 45 | + #endregion |
| 46 | + |
| 47 | + #region Helpers for private constructors |
| 48 | + |
| 49 | + private void InitSketch(DBSketch sketch) |
| 50 | + { |
| 51 | + InternalSetSketch(sketch); |
| 52 | + } |
| 53 | + |
| 54 | + #endregion |
| 55 | + |
| 56 | + #region Private mutators |
| 57 | + |
| 58 | + private void InternalSetSketch(DBSketch sketch) |
| 59 | + { |
| 60 | + InternalSketch = sketch; |
| 61 | + InternalElementId = sketch.Id; |
| 62 | + InternalUniqueId = sketch.UniqueId; |
| 63 | + } |
| 64 | + |
| 65 | + #endregion |
| 66 | + |
| 67 | + #region Public properties |
| 68 | + |
| 69 | + /// <summary> |
| 70 | + /// The SketchPlane that this Sketch lies on. |
| 71 | + /// </summary> |
| 72 | + public SketchPlane SketchPlane |
| 73 | + { |
| 74 | + get |
| 75 | + { |
| 76 | + Autodesk.Revit.DB.SketchPlane revitSketchPlane = InternalSketch.SketchPlane; |
| 77 | + return revitSketchPlane == null |
| 78 | + ? null |
| 79 | + : Revit.Elements.SketchPlane.FromExisting(revitSketchPlane, true); |
| 80 | + } |
| 81 | + } |
| 82 | + |
| 83 | + /// <summary> |
| 84 | + /// The element that owns this Sketch (for example the PropertyLine, Floor, |
| 85 | + /// or Roof hosting it). Returns null when the Sketch is not yet attached |
| 86 | + /// to an owning element. |
| 87 | + /// </summary> |
| 88 | + public Element Owner |
| 89 | + { |
| 90 | + get |
| 91 | + { |
| 92 | + ElementId ownerId = InternalSketch.OwnerId; |
| 93 | + if (ownerId == null || ownerId == ElementId.InvalidElementId) |
| 94 | + { |
| 95 | + return null; |
| 96 | + } |
| 97 | + |
| 98 | + Autodesk.Revit.DB.Element revitElement = Document.GetElement(ownerId); |
| 99 | + return revitElement?.ToDSType(true) as Element; |
| 100 | + } |
| 101 | + } |
| 102 | + |
| 103 | + /// <summary> |
| 104 | + /// All elements that belong to this Sketch (typically model curves, |
| 105 | + /// reference planes, and dimensions). |
| 106 | + /// </summary> |
| 107 | + public Element[] Elements |
| 108 | + { |
| 109 | + get |
| 110 | + { |
| 111 | + IList<ElementId> elementIds = InternalSketch.GetAllElements(); |
| 112 | + if (elementIds == null || elementIds.Count == 0) |
| 113 | + { |
| 114 | + return new Element[0]; |
| 115 | + } |
| 116 | + |
| 117 | + return elementIds |
| 118 | + .Select(id => Document.GetElement(id)?.ToDSType(true) as Element) |
| 119 | + .Where(e => e != null) |
| 120 | + .ToArray(); |
| 121 | + } |
| 122 | + } |
| 123 | + |
| 124 | + /// <summary> |
| 125 | + /// The Sketch profile as one PolyCurve per closed loop. |
| 126 | + /// </summary> |
| 127 | + public PolyCurve[] Profile |
| 128 | + { |
| 129 | + get |
| 130 | + { |
| 131 | + var loops = new List<PolyCurve>(); |
| 132 | + CurveArrArray curveArrArray = InternalSketch.Profile; |
| 133 | + if (curveArrArray == null) |
| 134 | + { |
| 135 | + return loops.ToArray(); |
| 136 | + } |
| 137 | + |
| 138 | + foreach (CurveArray curveArray in curveArrArray) |
| 139 | + { |
| 140 | + if (curveArray == null || curveArray.Size == 0) |
| 141 | + { |
| 142 | + continue; |
| 143 | + } |
| 144 | + |
| 145 | + var protoCurves = new List<Curve>(curveArray.Size); |
| 146 | + foreach (DBCurve revitCurve in curveArray) |
| 147 | + { |
| 148 | + Curve protoCurve = revitCurve?.ToProtoType(true); |
| 149 | + if (protoCurve != null) |
| 150 | + { |
| 151 | + protoCurves.Add(protoCurve); |
| 152 | + } |
| 153 | + } |
| 154 | + |
| 155 | + if (protoCurves.Count == 0) |
| 156 | + { |
| 157 | + continue; |
| 158 | + } |
| 159 | + |
| 160 | + try |
| 161 | + { |
| 162 | + loops.Add(PolyCurve.ByJoinedCurves(protoCurves.ToArray(), 0.001, false)); |
| 163 | + } |
| 164 | + finally |
| 165 | + { |
| 166 | + foreach (Curve c in protoCurves) |
| 167 | + { |
| 168 | + c.Dispose(); |
| 169 | + } |
| 170 | + } |
| 171 | + } |
| 172 | + |
| 173 | + return loops.ToArray(); |
| 174 | + } |
| 175 | + } |
| 176 | + |
| 177 | + #endregion |
| 178 | + |
| 179 | + #region Internal static constructors |
| 180 | + |
| 181 | + /// <summary> |
| 182 | + /// Wraps a Revit-owned Sketch in the Dynamo Sketch wrapper. |
| 183 | + /// </summary> |
| 184 | + internal static Sketch FromExisting(DBSketch sketch, bool isRevitOwned) |
| 185 | + { |
| 186 | + return new Sketch(sketch) |
| 187 | + { |
| 188 | + IsRevitOwned = isRevitOwned |
| 189 | + }; |
| 190 | + } |
| 191 | + |
| 192 | + #endregion |
| 193 | + } |
| 194 | +} |
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