205 lines
8.3 KiB
C#
205 lines
8.3 KiB
C#
using Autodesk.Revit.Attributes;
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using Autodesk.Revit.DB;
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using Autodesk.Revit.UI.Selection;
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using Nice3point.Revit.Toolkit.External;
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namespace ShrlAlgoToolkit.RevitAddins.RvCivil;
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[Transaction(TransactionMode.Manual)]
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[Regeneration(RegenerationOption.Manual)]
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public class SlopedFloorCmd : ExternalCommand
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{
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public override void Execute()
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{
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Document.Invoke(
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_ =>
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{
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Line line1 = null;
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Line line2 = null;
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HostObject obj1 = null;
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HostObject obj2 = null;
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var refer = UiDocument.Selection.PickObject(
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ObjectType.Edge,
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new FuncFilter(
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elem => elem is HostObject,
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(r, _) =>
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{
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obj1 = Document.GetElement(r) as HostObject;
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var edge = obj1?.GetGeometryObjectFromReference(r) as Edge;
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if (edge?.AsCurve() is Line l && l.Direction.Z < 0.0001)
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{
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line1 = l;
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return true;
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}
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return false;
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}
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),
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"请选择主体元素其中的一条水平边"
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);
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var elem = Document.GetElement(refer);
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UiDocument.Selection.PickObject(
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ObjectType.Edge,
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new FuncFilter(
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elem => elem is HostObject && elem.Id != obj1.Id,
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(r, _) =>
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{
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obj2 = Document.GetElement(r) as HostObject;
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var edge1 = obj2?.GetGeometryObjectFromReference(r) as Edge;
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if (
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edge1?.AsCurve() is Line l
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&& l.Direction.Z < 0.0001
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&& l.Direction.CrossProduct(line1.Direction).IsAlmostEqualTo(XYZ.Zero)
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&& l.Distance(line1.Origin) > Application.ShortCurveTolerance / 304.8
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)
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{
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line2 = l;
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return true;
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}
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return false;
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}
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),
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"请选择与另一条平行的水平边"
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);
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var level1 = Document.GetElement(obj1.LevelId) as Level;
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var level2 = Document.GetElement(obj2.LevelId) as Level;
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var baseLevel = level1?.Elevation > level2?.Elevation ? level2 : level1;
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//基准边，低的边
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var lineBase = line1.Origin.Z < line2.Origin.Z ? line1 : line2;
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var lineAnother = line1.Origin.Z < line2.Origin.Z ? line2 : line1;
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//if (line1.Origin.Z < line2.Origin.Z)
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//{
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// lineBase = line1;
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// lineAnother = line2;
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//}
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//else
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//{
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// lineBase = line2;
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// lineAnother = line1;
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//}
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var curveArr = new CurveArray();
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var planeToProject = Plane.CreateByNormalAndOrigin(XYZ.BasisZ, lineBase.Origin);
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var p1 = planeToProject.ProjectOf(lineBase.GetEndPoint(0));
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var p2 = planeToProject.ProjectOf(lineBase.GetEndPoint(1));
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var p3 = planeToProject.ProjectOf(lineAnother.GetEndPoint(0));
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var p4 = planeToProject.ProjectOf(lineAnother.GetEndPoint(1));
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Line l1;
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Line l2;
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Line l3;
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Line l4;
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if (lineBase.Direction.IsAlmostEqualTo(lineAnother.Direction))
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{
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l1 = Line.CreateBound(p1, p2);
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l3 = Line.CreateBound(p4, p3);
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l4 = Line.CreateBound(p3, p1);
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l2 = Line.CreateBound(p2, p4);
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}
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else
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{
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l1 = Line.CreateBound(p1, p2);
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l3 = Line.CreateBound(p3, p4);
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l4 = Line.CreateBound(p4, p1);
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l2 = Line.CreateBound(p2, p3);
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}
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curveArr.Append(l1);
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curveArr.Append(l2);
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curveArr.Append(l3);
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curveArr.Append(l4);
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//var isStructure = obj1.get_Parameter(BuiltInParameter.FLOOR_PARAM_IS_STRUCTURAL).AsInteger();
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//选择线的中点连线
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var centerLine = Line.CreateBound(lineBase.Evaluate(0.5, true), lineAnother.Evaluate(0.5, true));
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//中线和边线叉乘，求出楼板面的法向量
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var floorNormal = lineBase.Direction.CrossProduct(centerLine.Direction);
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if (floorNormal.Z < 0)
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{
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floorNormal = floorNormal.Negate();
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}
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//坡度角
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var radian = floorNormal.AngleTo(XYZ.BasisZ);
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//另一条楼板边垂直xy的平面
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var normal = lineAnother.Direction.CrossProduct(XYZ.BasisZ);
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var plane = Plane.CreateByNormalAndOrigin(normal, lineAnother.Evaluate(0.5, true));
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//点与平面的距离
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var centerPoint = lineBase.Evaluate(0.5, true);
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var perpPoint = plane.ProjectOf(centerPoint);
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var slopedArrow = Line.CreateBound(centerPoint, new XYZ(perpPoint.X, perpPoint.Y, centerPoint.Z));
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//if (lineBase.Origin.Z > lineAnother.Origin.Z)
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//{
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// slopedArrow = slopedArrow.CreateReversed() as Line;
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//}
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//即板上表面法向量和Z轴正向之间
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//double radian = slopedArrow.Direction.AngleOnPlaneTo(XYZ.BasisX, XYZ.BasisZ);
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//double slope = Math.Abs(line1.Evaluate(0.5, true).Z - line2.Evaluate(0.5, true).Z);
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//slopedArrow用以指定在XY平面上绘制的板轮廓，是沿着哪个方向进行坡度变化的。因此，这条线实际上是XY平面上，垂直于板上表面与XY平面交线的一条线。
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#if REVIT2018 || REVIT2020
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Document.Create.NewSlab(curveArr, baseLevel, slopedArrow, Math.Tan(radian), true);
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#elif REVIT2025
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var floorType = Floor.GetDefaultFloorType(Document, false);
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if (elem is Floor floor)
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{
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floorType = floor.GetTypeId();
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}
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var loops = new List<CurveLoop>() { CurveLoop.Create(new List<Curve>() { l1, l2, l3, l4 }) };
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Floor.Create(Document, loops, floorType, baseLevel.Id, true, slopedArrow, Math.Tan(radian));
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#endif
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},
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"坡度楼板"
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);
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}
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private static bool IfSameHeight(List<double> vs)
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{
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//判断楼板中各端点标高是否相等
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List<double> list = new();
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foreach (var z in vs)
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{
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if (list.Contains(z) == false)
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{
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list.Add(z);
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}
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}
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return list.Count == 1;
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}
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//编辑子图元
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private void EditSubElements(Floor floor)
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{
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#if REVIT2018 || REVIT2020
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var slabShapeEditor = floor.SlabShapeEditor;
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#elif REVIT2025
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var slabShapeEditor = floor.GetSlabShapeEditor();
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#endif
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if (slabShapeEditor.IsEnabled)
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{
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var vertices = slabShapeEditor.SlabShapeVertices;
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var zList = new List<double>();
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foreach (SlabShapeVertex slabShapeVertex in vertices)
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{
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zList.Add(slabShapeVertex.Position.Z);
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}
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//判断为水平板后重设形状
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if (IfSameHeight(zList))
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{
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var floorLevel = floor.Document.GetElement(floor.LevelId) as Level; //获取楼板所在标高
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var levelHeight = floorLevel.LookupParameter("立面").AsDouble(); //获取所在标高的标高
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var offsetHeight = zList.FirstOrDefault() - levelHeight;
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floor.get_Parameter(BuiltInParameter.FLOOR_HEIGHTABOVELEVEL_PARAM).Set(offsetHeight);
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slabShapeEditor.ResetSlabShape();
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}
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}
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}
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}
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