Revit二次开发—-分割族

image_print阅读模式

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其实在revit里是不存在分割族的概念。

对于基于线形的族,截面沿线都是一样,要想达到分割的状态,只需要把族基于线的那条线变短,然后再在分割点复制一个新的族即可。

过程是先获得线的均分点,然后把族的线缩短,接着再复制族,即可变成均分的效果。主要方法见代码:

private void DevideFamilyInstance(FamilyInstance famIns,int n, Document revitDoc)
 {
 LocationCurve locationCurve = famIns.Location as LocationCurve;
 XYZ stratPoint = locationCurve.Curve.GetEndPoint(0);
 XYZ endPoint = locationCurve.Curve.GetEndPoint(1);

 IList<XYZ> devidePoint = InsertPoint(stratPoint, endPoint,n);

 Transaction transaction = new Transaction(revitDoc);
 transaction.Start("将族复制到相应位置");
 locationCurve.Curve = Line.CreateBound(stratPoint, devidePoint[0]);
 List<ElementId> list = new List<ElementId>();
 list.Add(famIns.Id);
 ICollection<ElementId> elementIds = list;
 for (int j=1;j<n;j++)
 {
 XYZ tanslation = new XYZ(devidePoint[j - 1].X - stratPoint.X, devidePoint[j - 1].Y - stratPoint.Y, devidePoint[j - 1].Z - stratPoint.Z); 
 ElementTransformUtils.CopyElements(revitDoc, elementIds, tanslation);
 
 }
 transaction.Commit();


 }
 private List<XYZ> InsertPoint(XYZ stratPoint, XYZ endPoint,int n)
 {
 List<XYZ> listPoint = new List<XYZ>();
 double x, y, z;
 for(int i=1;i<n;i++)
 {
 x = stratPoint.X+(endPoint.X- stratPoint.X)*i/n;
 y = stratPoint.Y + (endPoint.Y - stratPoint.Y) * i / n;
 z= stratPoint.Z + (endPoint.Z - stratPoint.Z) * i / n;
 XYZ point = new XYZ(x,y,z);
 listPoint.Add(point);
 }

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