/// <summary> 将 CurveArray 中的曲线进行重新排列，以组成连续的曲线链 </summary>
/// <param name="curveArr"> 要进行重组的曲线集合 </param>
/// <param name="contigeousCurves"> 如果不能形成连续的曲线链，则返回 null </param>
public static void GetContiguousCurvesFromCurves(CurveArray curveArr, out IList <Curve> contigeousCurves)
{
IList <Curve> curves = curveArr.Cast <Curve>().ToList();
// Build a list of curves from the curve elements
contigeousCurves = CurvesFormator.GetContiguousCurvesFromCurves(curves);
}
protected IEnumerable <Autodesk.Revit.DB.Curve> GetCurves(Autodesk.Revit.DB.Options options)
{
var geomElem = this.InternalElement.get_Geometry(options);
var curves = new CurveArray();
GetCurves(geomElem, ref curves);
return(curves.Cast <Autodesk.Revit.DB.Curve>());
}
//thanks Revit
public CurveLoop CurveArrayToCurveLoop(CurveArray array)
{
var loop = new CurveLoop();
foreach (var item in array.Cast <DB.Curve>())
{
loop.Append(item);
}
return(loop);
}
/// <summary>
/// Improved implementation by Alexander Ignatovich
/// supporting curved wall with curved window,
/// second attempt, published April 10, 2015:
/// </summary>
public Result Execute3(
ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
UIApplication uiapp = commandData.Application;
UIDocument uidoc = uiapp.ActiveUIDocument;
Application app = uiapp.Application;
Document doc = uidoc.Document;
View view = doc.ActiveView;
Autodesk.Revit.Creation.Application creapp
= app.Create;
Autodesk.Revit.Creation.Document credoc
= doc.Create;
Reference r = uidoc.Selection.PickObject(
ObjectType.Element, "Select a wall");
Element e = uidoc.Document.GetElement(r);
Creator creator = new Creator(doc);
Wall wall = e as Wall;
if (wall == null)
{
return(Result.Cancelled);
}
using (Transaction tx = new Transaction(doc))
{
tx.Start("Wall Profile");
// Get the external wall face for the profile
// a little bit simpler than in the last realization
Reference sideFaceReference
= HostObjectUtils.GetSideFaces(
wall, ShellLayerType.Exterior)
.First();
Face face = wall.GetGeometryObjectFromReference(
sideFaceReference) as Face;
// The normal of the wall external face.
XYZ normal = wall.Orientation;
// Offset curve copies for visibility.
Transform offset = Transform.CreateTranslation(
5 * normal);
// If the curve loop direction is counter-
// clockwise, change its color to RED.
Color colorRed = new Color(255, 0, 0);
// Get edge loops as curve loops.
IList <CurveLoop> curveLoops
= face.GetEdgesAsCurveLoops();
foreach (var curveLoop in curveLoops)
{
CurveArray curves = creapp.NewCurveArray();
foreach (Curve curve in curveLoop)
{
curves.Append(curve.CreateTransformed(
offset));
}
var isCounterClockwize = curveLoop
.IsCounterclockwise(normal);
// Create model lines for an curve loop if it is made
if (((LocationCurve)wall.Location).Curve
is Line)
{
//Plane plane = creapp.NewPlane( curves ); // 2016
Plane plane = CurveLoop.CreateViaOffset(
curveLoop, 5 * normal.GetLength(),
normal.Normalize()).GetPlane(); // 2017
SketchPlane sketchPlane
= SketchPlane.Create(doc, plane);
ModelCurveArray curveElements = credoc
.NewModelCurveArray(curves, sketchPlane);
if (isCounterClockwize)
{
SetModelCurvesColor(curveElements,
view, colorRed);
}
}
else
{
foreach (var curve in curves.Cast <Curve>())
{
var curveElements = creator.CreateModelCurves(curve);
if (isCounterClockwize)
{
SetModelCurvesColor(curveElements, view, colorRed);
}
}
}
}
tx.Commit();
}
return(Result.Succeeded);
}
/// <summary>
/// Improved implementation by Alexander Ignatovich
/// supporting curved wall with curved window,
/// second attempt, published April 10, 2015:
/// </summary>
public Result Execute3(
ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
UIApplication uiapp = commandData.Application;
UIDocument uidoc = uiapp.ActiveUIDocument;
Application app = uiapp.Application;
Document doc = uidoc.Document;
View view = doc.ActiveView;
Autodesk.Revit.Creation.Application creapp
= app.Create;
Autodesk.Revit.Creation.Document credoc
= doc.Create;
Reference r = uidoc.Selection.PickObject(
ObjectType.Element, "Select a wall");
Element e = uidoc.Document.GetElement(r);
Creator creator = new Creator(doc);
Wall wall = e as Wall;
if (wall == null)
{
return(Result.Cancelled);
}
using (Transaction tx = new Transaction(doc))
{
tx.Start("Wall Profile");
// Get the external wall face for the profile
// a little bit simpler than in the last
// implementation in Execute2.
Reference sideFaceReference
= HostObjectUtils.GetSideFaces(
wall, ShellLayerType.Exterior)
.First();
Face face = wall.GetGeometryObjectFromReference(
sideFaceReference) as Face;
// The plane and normal of the wall external face.
XYZ normal = wall.Orientation.Normalize();
Transform ftx = face.ComputeDerivatives(UV.Zero);
XYZ forigin = ftx.Origin;
XYZ fnormal = ftx.BasisZ;
Debug.Print(
"wall orientation {0}, face origin {1}, face normal {2}",
Util.PointString(normal),
Util.PointString(forigin),
Util.PointString(fnormal));
// Offset distance.
double d = 5;
// Offset curve copies for visibility.
XYZ voffset = d * normal;
Transform offset = Transform.CreateTranslation(
voffset);
// If the curve loop direction is counter-
// clockwise, change its color to RED.
Color colorRed = new Color(255, 0, 0);
// Get edge loops as curve loops.
IList <CurveLoop> curveLoops
= face.GetEdgesAsCurveLoops();
foreach (var curveLoop in curveLoops)
{
//CurveLoop curveLoopOffset = CurveLoop.CreateViaOffset(
// curveLoop, d, normal );
CurveArray curves = creapp.NewCurveArray();
foreach (Curve curve in curveLoop)
{
curves.Append(curve.CreateTransformed(
offset));
}
var isCounterClockwize = curveLoop
.IsCounterclockwise(normal);
// Create model lines for an curve loop if it is made
Curve wallCurve = ((LocationCurve)wall.Location).Curve;
if (wallCurve is Line)
{
//Plane plane = creapp.NewPlane( curves ); // 2016
//Plane plane = curveLoopOffset.GetPlane(); // 2017
Plane plane = Plane.CreateByNormalAndOrigin( // 2019
normal, forigin + voffset);
Debug.Print(
"plane origin {0}, plane normal {1}",
Util.PointString(plane.Origin),
Util.PointString(plane.Normal));
SketchPlane sketchPlane
= SketchPlane.Create(doc, plane);
ModelCurveArray curveElements = credoc
.NewModelCurveArray(curves, sketchPlane);
if (isCounterClockwize)
{
SetModelCurvesColor(curveElements,
view, colorRed);
}
}
else
{
foreach (var curve in curves.Cast <Curve>())
{
var curveElements = creator.CreateModelCurves(curve);
if (isCounterClockwize)
{
SetModelCurvesColor(curveElements, view, colorRed);
}
}
}
}
tx.Commit();
}
return(Result.Succeeded);
}
protected IEnumerable<Autodesk.Revit.DB.Curve> GetCurves(Autodesk.Revit.DB.Options options)
{
var geomElem = this.InternalElement.get_Geometry(options);
var curves = new CurveArray();
GetCurves(geomElem, ref curves);
return curves.Cast<Autodesk.Revit.DB.Curve>();
}
