Revip MEP二次开发之“连接弯头”
1.弯头连接没有锐角,锐角自动转化为直角加钝角。
2.弯头,会根据两个风管上面的两个连接器,自动决定用什么样的弯头。
即两个端点有了,就可以自动安装弯头。不是根据两个点,而是根据两根管。
3.重点是判断风管的两个端点哪个离交点近。从而找到对应的连接器。
4.连接三通四通的方法类似。
转自:http://revit.5d6d.com/thread-826-1-1.html
[Transaction(TransactionMode.Automatic)]
[Regeneration(RegenerationOption.Manual)]
[Journaling(JournalingMode.NoCommandData)]
//根据选中的两个风管,创建弯头
public class CreateElbow : IExternalCommand
{
public Result Execute(ExternalCommandData commandData, ref string messages, ElementSet elements)
{
UIApplication uiApp = commandData.Application;
Document doc = uiApp.ActiveUIDocument.Document;
Selection sel = uiApp.ActiveUIDocument.Selection;
//选取两个风管
Duct duct1 = sel.PickObject(ObjectType.Element, "请选择第1个风管").Element as Duct;
Duct duct2 = sel.PickObject(ObjectType.Element, "请选择第2个风管").Element as Duct;
//先得到两条直线和两个连接器
IList<XYZ> list1 = new List<XYZ>();
IList<Connector> conn1 = new List<Connector>();
ConnectorSetIterator csi1 = duct1.ConnectorManager.Connectors.ForwardIterator();
while (csi1.MoveNext())
{
Connector conn = csi1.Current as Connector;
list1.Add(conn.Origin);
conn1.Add(conn);
}
IList<XYZ> list2 = new List<XYZ>();
IList<Connector> conn2 = new List<Connector>();
ConnectorSetIterator csi2 = duct2.ConnectorManager.Connectors.ForwardIterator();
while (csi2.MoveNext())
{
Connector conn = csi2.Current as Connector;
list2.Add(conn.Origin);
conn2.Add(conn);
}
//再得到交点
Curve curve1 = Line.get_Bound(list1.ElementAt(0), list1.ElementAt(1)) as Curve;
Curve curve2 = Line.get_Bound(list2.ElementAt(0), list2.ElementAt(1)) as Curve;
curve1.MakeUnbound();
curve2.MakeUnbound();
IntersectionResultArray intersectionR = new IntersectionResultArray();//交点集合
SetComparisonResult comparisonR;//Comparison比较
comparisonR = curve1.Intersect(curve2, out intersectionR);//直线交点
XYZ intersectionResult = null;//交点坐标
if (SetComparisonResult.Disjoint != comparisonR)//Disjoint不交
{
if (!intersectionR.IsEmpty)
{
intersectionResult = intersectionR.get_Item(0).XYZPoint;
}
}
/*
//判断直线上哪个点离交点近
XYZ near1 = list1.ElementAt(0);
if(intersectionResult.DistanceTo(list1.ElementAt(0))>intersectionResult.DistanceTo(list1.ElementAt(1)))
{
near1 = list1.ElementAt(1);
}
XYZ near2 = list2.ElementAt(0);
if (intersectionResult.DistanceTo(list2.ElementAt(0)) > intersectionResult.DistanceTo(list2.ElementAt(1)))
{
near2 = list2.ElementAt(1);
}
//找到对应的连接器
Connector connector1 = null;
foreach (Connector iConnector in conn1)
{
if (iConnector.Origin.IsAlmostEqualTo(near1))
{
connector1 = iConnector;
}
}
Connector connector2 = null;
foreach (Connector iConnector in conn2)
{
if (iConnector.Origin.IsAlmostEqualTo(near2))
{
connector2 = iConnector;
}
}
*/
//改进,直接设置连接器。
Connector connector1 = conn1.ElementAt(0);
if (intersectionResult.DistanceTo(list1.ElementAt(0)) > intersectionResult.DistanceTo(list1.ElementAt(1)))
{
connector1 = conn1.ElementAt(1);
}
Connector connector2 = conn2.ElementAt(0);
if (intersectionResult.DistanceTo(list2.ElementAt(0)) > intersectionResult.DistanceTo(list2.ElementAt(1)))
{
connector2 = conn2.ElementAt(1);
}
//创建弯头
if (null != connector1 && null != connector2)
{
doc.Create.NewElbowFitting(connector1, connector2);
}
return Result.Succeeded;
}
}
[Regeneration(RegenerationOption.Manual)]
[Journaling(JournalingMode.NoCommandData)]
//根据选中的两个风管,创建弯头
public class CreateElbow : IExternalCommand
{
public Result Execute(ExternalCommandData commandData, ref string messages, ElementSet elements)
{
UIApplication uiApp = commandData.Application;
Document doc = uiApp.ActiveUIDocument.Document;
Selection sel = uiApp.ActiveUIDocument.Selection;
//选取两个风管
Duct duct1 = sel.PickObject(ObjectType.Element, "请选择第1个风管").Element as Duct;
Duct duct2 = sel.PickObject(ObjectType.Element, "请选择第2个风管").Element as Duct;
//先得到两条直线和两个连接器
IList<XYZ> list1 = new List<XYZ>();
IList<Connector> conn1 = new List<Connector>();
ConnectorSetIterator csi1 = duct1.ConnectorManager.Connectors.ForwardIterator();
while (csi1.MoveNext())
{
Connector conn = csi1.Current as Connector;
list1.Add(conn.Origin);
conn1.Add(conn);
}
IList<XYZ> list2 = new List<XYZ>();
IList<Connector> conn2 = new List<Connector>();
ConnectorSetIterator csi2 = duct2.ConnectorManager.Connectors.ForwardIterator();
while (csi2.MoveNext())
{
Connector conn = csi2.Current as Connector;
list2.Add(conn.Origin);
conn2.Add(conn);
}
//再得到交点
Curve curve1 = Line.get_Bound(list1.ElementAt(0), list1.ElementAt(1)) as Curve;
Curve curve2 = Line.get_Bound(list2.ElementAt(0), list2.ElementAt(1)) as Curve;
curve1.MakeUnbound();
curve2.MakeUnbound();
IntersectionResultArray intersectionR = new IntersectionResultArray();//交点集合
SetComparisonResult comparisonR;//Comparison比较
comparisonR = curve1.Intersect(curve2, out intersectionR);//直线交点
XYZ intersectionResult = null;//交点坐标
if (SetComparisonResult.Disjoint != comparisonR)//Disjoint不交
{
if (!intersectionR.IsEmpty)
{
intersectionResult = intersectionR.get_Item(0).XYZPoint;
}
}
/*
//判断直线上哪个点离交点近
XYZ near1 = list1.ElementAt(0);
if(intersectionResult.DistanceTo(list1.ElementAt(0))>intersectionResult.DistanceTo(list1.ElementAt(1)))
{
near1 = list1.ElementAt(1);
}
XYZ near2 = list2.ElementAt(0);
if (intersectionResult.DistanceTo(list2.ElementAt(0)) > intersectionResult.DistanceTo(list2.ElementAt(1)))
{
near2 = list2.ElementAt(1);
}
//找到对应的连接器
Connector connector1 = null;
foreach (Connector iConnector in conn1)
{
if (iConnector.Origin.IsAlmostEqualTo(near1))
{
connector1 = iConnector;
}
}
Connector connector2 = null;
foreach (Connector iConnector in conn2)
{
if (iConnector.Origin.IsAlmostEqualTo(near2))
{
connector2 = iConnector;
}
}
*/
//改进,直接设置连接器。
Connector connector1 = conn1.ElementAt(0);
if (intersectionResult.DistanceTo(list1.ElementAt(0)) > intersectionResult.DistanceTo(list1.ElementAt(1)))
{
connector1 = conn1.ElementAt(1);
}
Connector connector2 = conn2.ElementAt(0);
if (intersectionResult.DistanceTo(list2.ElementAt(0)) > intersectionResult.DistanceTo(list2.ElementAt(1)))
{
connector2 = conn2.ElementAt(1);
}
//创建弯头
if (null != connector1 && null != connector2)
{
doc.Create.NewElbowFitting(connector1, connector2);
}
return Result.Succeeded;
}
}
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