/// <summary>
/// get all the vertexes of the curtain cells
/// </summary>
/// <param name="cells">
/// the curtain cells which need to be got the vertexes
/// </param>
/// <returns>
/// the vertexes of the curtain cells
/// </returns>
private List <Autodesk.Revit.DB.XYZ> GetPoints(CurtainCellSet cells)
{
List <Autodesk.Revit.DB.XYZ> points = new List <Autodesk.Revit.DB.XYZ>();
if (null == cells || true == cells.IsEmpty)
{
return(points);
}
foreach (CurtainCell cell in cells)
{
if (null == cell || 0 == cell.CurveLoops.Size)
{
continue;
}
CurveArray curves = cell.CurveLoops.get_Item(0);
foreach (Curve curve in curves)
{
points.Add(curve.get_EndPoint(0));
points.Add(curve.get_EndPoint(1));
}
}
return(points);
}
/// <summary>
/// get the vertexes of the bounding box which covers all the curtain cells
/// </summary>
/// <param name="cells">
/// the source curtain cells
/// </param>
/// <param name="minXYZ">
/// the result bounding point
/// </param>
/// <param name="maxXYZ">
/// the result bounding point
/// </param>
private void GetVertexesByCells(CurtainCellSet cells, ref Autodesk.Revit.DB.XYZ minXYZ, ref Autodesk.Revit.DB.XYZ maxXYZ)
{
if (null == cells || true == cells.IsEmpty)
{
return;
}
List <Autodesk.Revit.DB.XYZ> points = GetPoints(cells);
GetVertexesByPoints(points, ref minXYZ, ref maxXYZ);
}
/// <summary>
/// get all the vertexes of the curtain cells
/// </summary>
/// <param name="cells">
/// the curtain cells which need to be got the vertexes
/// </param>
/// <returns>
/// the vertexes of the curtain cells
/// </returns>
private List<Autodesk.Revit.DB.XYZ> GetPoints(CurtainCellSet cells)
{
List<Autodesk.Revit.DB.XYZ> points = new List<Autodesk.Revit.DB.XYZ>();
if (null == cells || true == cells.IsEmpty)
{
return points;
}
foreach (CurtainCell cell in cells)
{
if (null == cell || 0 == cell.CurveLoops.Size)
{
continue;
}
CurveArray curves = cell.CurveLoops.get_Item(0);
foreach (Curve curve in curves)
{
points.Add(curve.get_EndPoint(0));
points.Add(curve.get_EndPoint(1));
}
}
return points;
}
/// <summary>
/// get the vertexes of the bounding box which covers all the curtain cells
/// </summary>
/// <param name="cells">
/// the source curtain cells
/// </param>
/// <param name="minXYZ">
/// the result bounding point
/// </param>
/// <param name="maxXYZ">
/// the result bounding point
/// </param>
private void GetVertexesByCells(CurtainCellSet cells, ref Autodesk.Revit.DB.XYZ minXYZ, ref Autodesk.Revit.DB.XYZ maxXYZ)
{
if (null == cells || true == cells.IsEmpty)
{
return;
}
List<Autodesk.Revit.DB.XYZ> points = GetPoints(cells);
GetVertexesByPoints(points, ref minXYZ, ref maxXYZ);
}
/// <summary>
/// get all of the 4 vertexes of the curtain grid
/// </summary>
/// <returns></returns>
private bool GetCurtainGridVertexes()
{
// even in "ReloadGeometryData()" method, no need to reload the boundary information
// (as the boundary of the curtain grid won't be changed in the sample)
// just need to load it after the curtain wall been created
if (null != m_GridVertexesXYZ && 0 < m_GridVertexesXYZ.Count)
{
return(true);
}
// the curtain grid is from "Curtain Wall: Curtain Wall 1" (by default, the "Curtain Wall 1" has no U/V grid lines)
if (m_uGridLines.Count <= 0 || m_vGridLines.Count <= 0)
{
// special handling for "Curtain Wall: Curtain Wall 1"
// as the "Curtain Wall: Curtain Wall 1" has no U/V grid lines, so we can't compute the boundary from the grid lines
// as that kind of curtain wall contains only one curtain cell
// so we compute the boundary from the data of the curtain cell
// Obtain the geometry information of the curtain wall
// also works with some curtain grids with only U grid lines or only V grid lines
Transaction act = new Transaction(m_activeDocument, Guid.NewGuid().GetHashCode().ToString());
act.Start();
CurtainCellSet cells = m_activeGrid.Cells;
act.Commit();
Autodesk.Revit.DB.XYZ minXYZ = new Autodesk.Revit.DB.XYZ(Double.MaxValue, Double.MaxValue, Double.MaxValue);
Autodesk.Revit.DB.XYZ maxXYZ = new Autodesk.Revit.DB.XYZ(Double.MinValue, Double.MinValue, Double.MinValue);
GetVertexesByCells(cells, ref minXYZ, ref maxXYZ);
// move the U & V lines to the boundary of the curtain grid, and get their end points as the vertexes of the curtain grid
m_GridVertexesXYZ.Add(new Autodesk.Revit.DB.XYZ(minXYZ.X, minXYZ.Y, minXYZ.Z));
m_GridVertexesXYZ.Add(new Autodesk.Revit.DB.XYZ(maxXYZ.X, maxXYZ.Y, minXYZ.Z));
m_GridVertexesXYZ.Add(new Autodesk.Revit.DB.XYZ(maxXYZ.X, maxXYZ.Y, maxXYZ.Z));
m_GridVertexesXYZ.Add(new Autodesk.Revit.DB.XYZ(minXYZ.X, minXYZ.Y, maxXYZ.Z));
return(true);
}
else
{
// handling for the other kinds of curtain walls (contains U&V grid lines by default)
CurtainGridLine uLine = m_uGridLines[0];
CurtainGridLine vLine = m_vGridLines[0];
List <Autodesk.Revit.DB.XYZ> points = new List <Autodesk.Revit.DB.XYZ>();
Autodesk.Revit.DB.XYZ uStartPoint = uLine.FullCurve.get_EndPoint(0);
Autodesk.Revit.DB.XYZ uEndPoint = uLine.FullCurve.get_EndPoint(1);
Autodesk.Revit.DB.XYZ vStartPoint = vLine.FullCurve.get_EndPoint(0);
Autodesk.Revit.DB.XYZ vEndPoint = vLine.FullCurve.get_EndPoint(1);
points.Add(uStartPoint);
points.Add(uEndPoint);
points.Add(vStartPoint);
points.Add(vEndPoint);
//move the U & V lines to the boundary of the curtain grid, and get their end points as the vertexes of the curtain grid
m_GridVertexesXYZ.Add(new Autodesk.Revit.DB.XYZ(uStartPoint.X, uStartPoint.Y, vStartPoint.Z));
m_GridVertexesXYZ.Add(new Autodesk.Revit.DB.XYZ(uEndPoint.X, uEndPoint.Y, vStartPoint.Z));
m_GridVertexesXYZ.Add(new Autodesk.Revit.DB.XYZ(uEndPoint.X, uEndPoint.Y, vEndPoint.Z));
m_GridVertexesXYZ.Add(new Autodesk.Revit.DB.XYZ(uStartPoint.X, uStartPoint.Y, vEndPoint.Z));
return(true);
}
}
