Revit二开学习-多排管道标注
管道标注摘自：
https://blog.csdn.net/qq_43026206/article/details/84256346?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522159152319919725219929766%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fall.%2522%257D&request_id=159152319919725219929766&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2allfirst_rank_ecpm_v3~pc_rank_v3-2-84256346.first_rank_ecpm_v3_pc_rank_v3&utm_term=revit%E4%BA%8C%E6%AC%A1%E5%BC%80%E5%8F%91%E7%AE%A1%E9%81%93%E6%A0%87%E6%B3%A8
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Autodesk.Revit.UI;
using Autodesk.Revit.DB;
using Autodesk.Revit.Attributes;
using Autodesk.Revit.UI.Selection;
using Autodesk.Revit.DB.Plumbing;
using Test.Filter;
using Teigha.Runtime;
namespace Test
{
/// <summary>
/// 多排管道标注
/// 只能在平面视图标注
/// 只标注在管道法线右侧
/// </summary>
[Transaction(TransactionMode.Manual)]
class Cmd_MEPMarking : IExternalCommand
{
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
UIDocument uidoc = commandData.Application.ActiveUIDocument;
Document doc = uidoc.Document;
// 判断当前视图是否是平面视图
if (!(doc.ActiveView is ViewPlan))
{
TaskDialog.Show("Error", "当前视图不是平面视图");
return Result.Cancelled;
}
Selection sel = uidoc.Selection;
// 获取需要标注的管道
IList<Element> elems = sel.PickElementsByRectangle(new MEPCurveFilter(), "请选择管道");
IList<MEPCurve> curves = new List<MEPCurve>();
// 判断是否选择了机电管线
if(elems.Count == 0)
{
TaskDialog.Show("Error","未选择机电管线");
return Result.Cancelled;
}
foreach (Element e in elems)
{
curves.Add(e as MEPCurve);
}
// 判断管道是否平行
if (!isMEPCurvesParallel(curves))
{
TaskDialog.Show("Test", "所选择的机电管线不平行");
return Result.Cancelled;
}
// 获取单根管道的向量并确保方向准确
Line MEPLine1 = (curves[0].Location as LocationCurve).Curve as Line;
XYZ pipeVector = MEPLine1.Direction;
double X = pipeVector.X;
double Y = pipeVector.Y;
if (Y == -1)
{
pipeVector = new XYZ(pipeVector.X, 1, pipeVector.Z);
}
else if (X < 0)
{
pipeVector = pipeVector.Multiply(-1);
}
// 选择标记点
XYZ tagStart = sel.PickPoint();
List<double> list = new List<double>();// 距离数组
Dictionary<XYZ,MEPCurve> map = new Dictionary<XYZ, MEPCurve>();// 管线与垂直交点
Dictionary<double,XYZ> tagToMep = new Dictionary<double,XYZ>();// 距离与垂直交点
foreach (MEPCurve mep in curves)
{
LocationCurve location = mep.Location as LocationCurve;
Curve curve = location.Curve;
IntersectionResult intersection = curve.Project(tagStart);
XYZ intersectionP = intersection.XYZPoint;
XYZ interPoint = new XYZ(intersectionP.X, intersectionP.Y, 0.00);
map.Add(interPoint,mep);
list.Add(interPoint.DistanceTo(tagStart));
tagToMep.Add(interPoint.DistanceTo(tagStart),interPoint);
}
list.Sort();
list.Reverse();
//StringBuilder s = new StringBuilder();
//foreach(double d in list)
//{
// s.Append(d.ToString()+'\n');
//}
//TaskDialog.Show("Test",s.ToString());
double distance = 0.00;// 标注距离
IList<Line> lines = new List<Line>();// 所需要绘制的线段
IList<XYZ> tagPoints = new List<XYZ>();// 标记点位置
Dictionary<MEPCurve, XYZ> tagMEP = new Dictionary<MEPCurve, XYZ>();// 机电管线与标记点
foreach (double d in list)
{
XYZ verticalPoint = tagToMep[d];
XYZ verticalVector = getPointVector(verticalPoint,tagStart);
XYZ tempPoint = verticalPoint + verticalVector.Normalize() * (d+distance);
distance += 450 / 304.8;
Line line = Line.CreateBound(verticalPoint,tempPoint);
lines.Add(line);
XYZ tagPoint = tempPoint + pipeVector.Normalize() * 400 / 304.8;
tagPoints.Add(tagPoint);
line = Line.CreateBound(tempPoint,tagPoint);
lines.Add(line);
tagMEP.Add(map[verticalPoint],tagPoint);
}
ICollection<ElementId> group = new List<ElementId>();
using (Transaction t = new Transaction(doc, "XX"))
{
t.Start();
foreach(Line line in lines)
{
DetailCurve detailCurve = doc.Create.NewDetailCurve(doc.ActiveView,line);
group.Add(detailCurve.Id);
}
doc.Create.NewGroup(group);
t.Commit();
}
TagMode tagMode = TagMode.TM_ADDBY_CATEGORY;
TagOrientation tagOrientation = TagOrientation.Horizontal;//标记的朝向
using (Transaction trans = new Transaction(doc))
{
trans.Start("Creat IndependentTag");
foreach (MEPCurve curve in curves)
{
XYZ tagPoint = tagMEP[curve];
IndependentTag tag = IndependentTag.Create(doc, doc.ActiveView.Id, new Reference(curve), true, tagMode, tagOrientation, tagPoint);
if (null == tag)
{
throw new System.Exception("Create IndependentTag Failed.");
}
tag.LeaderEndCondition = LeaderEndCondition.Free;
tag.HasLeader = false;//不要箭头
//XYZ elbowPnt = mid + new XYZ(2.0, 2.0, 0.0);
//tag.LeaderElbow = elbowPnt;//有箭头的话，箭头拐点
XYZ headerPnt = tagPoint;
tag.TagHeadPosition = headerPnt;//标记的位置
}
trans.Commit();
}
return Result.Succeeded;
}
// 获取两个点的向量
public XYZ getPointVector(XYZ p1,XYZ p2)
{
Line line = Line.CreateBound(p1,p2);
return line.Direction;
}
// 判断多条管道平行
public bool isMEPCurvesParallel(IList<MEPCurve> mepCurves)
{
Stack<MEPCurve> stack = new Stack<MEPCurve>();
foreach (MEPCurve curve in mepCurves)
{
stack.Push(curve);
}
while (stack.Count > 1)
{
MEPCurve m1 = stack.Pop();
MEPCurve m2 = stack.Peek();
if (!isParallel(m1, m2))
return false;
}
return true;
}
// 判断两条直线是否平行
public bool isParallel(MEPCurve c1,MEPCurve c2)
{
Line l1 = CurveZZ(c1) as Line;
Line l2 = CurveZZ(c2) as Line;
XYZ vector1 = l1.Direction;
XYZ vector2 = l2.Direction;
if (vector1.IsAlmostEqualTo(vector2) || vector1.IsAlmostEqualTo(vector2*-1))
return true;
return false;
}
// 将Curve的Z值归零
public Curve CurveZZ(MEPCurve c)
{
Curve curve = (c.Location as LocationCurve).Curve;
XYZ p1 = curve.GetEndPoint(0);
XYZ p2 = curve.GetEndPoint(1);
p1 = new XYZ(p1.X, p1.Y, 0);
p2 = new XYZ(p2.X, p2.Y, 0);
return Line.CreateBound(p1,p2);
}
}
}