public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
// [1] 获取当前文档
Document doc = commandData.Application.ActiveUIDocument.Document;
// [2] 获取 CW 102-50-100p 类型的墙
FilteredElementCollector collector = new FilteredElementCollector(doc);
Element ele = collector.OfCategory(BuiltInCategory.OST_Walls).OfClass(typeof(WallType)).FirstOrDefault(x => x.Name == "CW 102-50-100P");
// [3] class transfer
WallType wallType = ele as WallType;
// [4] obtain the level
Level level = new FilteredElementCollector(doc).OfClass(typeof(Level)).FirstOrDefault(x => x.Name == "标高 1") as Level;
// [5] create control line
XYZ start = new XYZ(0, 0, 0);
XYZ end = new XYZ(10, 10, 0);
Line geomline = Line.CreateBound(start, end);
// [6] Assign the height of the wall
double height = 15 / 0.3048; // inch to meters
double offset = 0;
// [7] Using Transaction to Create the wall
// Command that will edit the document should be included in a transcation
Transaction trans = new Transaction(doc, "Create the wall");
trans.Start();
Wall wall = Wall.Create(doc, geomline, wallType.Id, level.Id, height, offset, false, false);
trans.Commit();
return(Result.Succeeded);
}
/// <summary>
/// Создать четыре стены.
/// </summary>
/// <returns></returns>
public List <Wall> CreateWalls()
{
// hard coding the size of the house for simplicity
double width = ElementModification.mmToFeet(10000.0);
double depth = ElementModification.mmToFeet(5000.0);
// get the levels we want to work on.
// Note: hard coding for simplicity. Modify here you use
// a different template.
Level level1 = (Level)ElementFiltering.FindElement(m_rvtDoc, typeof(Level), "Level 1", null);
if (level1 == null)
{
TaskDialog.Show("Revit Intro Lab", "Cannot find (Level 1). Maybe you use a different template? Try with DefaultMetric.rte.");
return(null);
}
Level level2 = (Level)ElementFiltering.FindElement(m_rvtDoc, typeof(Level), "Level 2", null);
if (level2 == null)
{
TaskDialog.Show("Revit Intro Lab", "Cannot find (Level 2). Maybe you use a different template? Try with DefaultMetric.rte.");
return(null);
}
// set four corner of walls.
// 5th point is for combenience to loop through.
double dx = width / 2.0;
double dy = depth / 2.0;
List <XYZ> pts = new List <XYZ>()
{
new XYZ(-dx, -dy, 0.0),
new XYZ(dx, -dy, 0.0),
new XYZ(dx, dy, 0.0),
new XYZ(-dx, dy, 0.0)
};
pts.Add(pts[0]);
// flag for structural wall or not.
bool isStructural = false;
// save walls we create.
List <Wall> walls = new List <Wall>(4);
// loop through list of points and define four walls.
for (int i = 0; i <= 3; i++)
{
// define a base curve from two points.
Line baseCurve = Line.CreateBound(pts[i], pts[i + 1]);
// create a wall using the one of overloaded methods.
Wall aWall = Wall.Create(m_rvtDoc, baseCurve, level1.Id, isStructural);
// set the Top Constraint to Level 2
aWall.get_Parameter(BuiltInParameter.WALL_HEIGHT_TYPE).Set(level2.Id);
// save the wall.
walls.Add(aWall);
}
// This is important. we need these lines to have shrinkwrap working.
m_rvtDoc.Regenerate();
m_rvtDoc.AutoJoinElements();
return(walls);
}