/// <summary>
/// Implement this method as an external command for Revit.
/// </summary>
/// <param name="commandData">An object that is passed to the external application
/// which contains data related to the command,
/// such as the application object and active view.</param>
/// <param name="message">A message that can be set by the external application
/// which will be displayed if a failure or cancellation is returned by
/// the external command.</param>
/// <param name="elements">A set of elements to which the external application
/// can add elements that are to be highlighted in case of failure or cancellation.</param>
/// <returns>Return the status of the external command.
/// A result of Succeeded means that the API external method functioned as expected.
/// Cancelled can be used to signify that the user cancelled the external operation
/// at some point. Failure should be returned if the application is unable to proceed with
/// the operation.</returns>
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
Autodesk.Revit.ApplicationServices.Application app = commandData.Application.Application;
Document doc = commandData.Application.ActiveUIDocument.Document;
Transaction transaction = new Transaction(doc, "PointsParabola");
transaction.Start();
int pnt_ctr = 0;
double xctr = 0;
XYZ xyz = new XYZ();
ReferencePointArray rparray = new ReferencePointArray();
while (pnt_ctr < 500)
{
xyz = new XYZ(xctr, 0, (Math.Cos(xctr)) * 10);
ReferencePoint rp = doc.FamilyCreate.NewReferencePoint(xyz);
rparray.Append(rp);
xctr = xctr + 0.1;
pnt_ctr++;
}
CurveByPoints curve = doc.FamilyCreate.NewCurveByPoints(rparray);
transaction.Commit();
return(Result.Succeeded);
}
/// <summary>
/// Implement this method as an external command for Revit.
/// </summary>
/// <param name="commandData">An object that is passed to the external application
/// which contains data related to the command,
/// such as the application object and active view.</param>
/// <param name="message">A message that can be set by the external application
/// which will be displayed if a failure or cancellation is returned by
/// the external command.</param>
/// <param name="elements">A set of elements to which the external application
/// can add elements that are to be highlighted in case of failure or cancellation.</param>
/// <returns>Return the status of the external command.
/// A result of Succeeded means that the API external method functioned as expected.
/// Cancelled can be used to signify that the user cancelled the external operation
/// at some point. Failure should be returned if the application is unable to proceed with
/// the operation.</returns>
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
Autodesk.Revit.ApplicationServices.Application app = commandData.Application.Application;
Document doc = commandData.Application.ActiveUIDocument.Document;
Transaction transaction = new Transaction(doc, "CatenaryCurve");
transaction.Start();
for (double scalingFactor = 1; scalingFactor <= 2; scalingFactor = scalingFactor + 0.5)
{
ReferencePointArray rpArray = new ReferencePointArray();
for (double x = -5; x <= 5; x = x + 0.5)
{
double y = scalingFactor * Math.Cosh(x / scalingFactor);
if (y < 50)
{
ReferencePoint rp = doc.FamilyCreate.NewReferencePoint(new XYZ(x, y, 0));
rpArray.Append(rp);
}
}
CurveByPoints cbp = doc.FamilyCreate.NewCurveByPoints(rpArray);
}
transaction.Commit();
return(Result.Succeeded);
}
public void CurveByPoints()
{
var model = dynSettings.Controller.DynamoModel;
string samplePath = Path.Combine(_testPath, @".\CurveByPoints.dyn");
string testPath = Path.GetFullPath(samplePath);
model.Open(testPath);
//cerate some points and wire them
//to the selections
ReferencePoint p1, p2, p3, p4;
using (_trans = new Transaction(dynRevitSettings.Doc.Document))
{
_trans.Start("Create reference points for testing.");
p1 = dynRevitSettings.Doc.Document.FamilyCreate.NewReferencePoint(new XYZ(1, 5, 12));
p2 = dynRevitSettings.Doc.Document.FamilyCreate.NewReferencePoint(new XYZ(5, 1, 12));
p3 = dynRevitSettings.Doc.Document.FamilyCreate.NewReferencePoint(new XYZ(12, 1, 5));
p4 = dynRevitSettings.Doc.Document.FamilyCreate.NewReferencePoint(new XYZ(5, 12, 1));
_trans.Commit();
}
var ptSelectNodes = dynSettings.Controller.DynamoModel.Nodes.Where(x => x is dynPointBySelection);
if (!ptSelectNodes.Any())
{
Assert.Fail("Could not find point selection nodes in dynamo graph.");
}
((dynPointBySelection)ptSelectNodes.ElementAt(0)).SelectedElement = p1;
((dynPointBySelection)ptSelectNodes.ElementAt(1)).SelectedElement = p2;
((dynPointBySelection)ptSelectNodes.ElementAt(2)).SelectedElement = p3;
((dynPointBySelection)ptSelectNodes.ElementAt(3)).SelectedElement = p4;
dynSettings.Controller.RunExpression(true);
FilteredElementCollector fec = new FilteredElementCollector(dynRevitSettings.Doc.Document);
fec.OfClass(typeof(CurveElement));
Assert.AreEqual(fec.ToElements().Count(), 1);
CurveByPoints mc = (CurveByPoints)fec.ToElements().ElementAt(0);
Assert.IsTrue(mc.IsReferenceLine);
//now flip the switch for creating a reference curve
var boolNode = dynSettings.Controller.DynamoModel.Nodes.Where(x => x is dynBoolSelector).First();
((dynBasicInteractive <bool>)boolNode).Value = false;
dynSettings.Controller.RunExpression(true);
Assert.AreEqual(fec.ToElements().Count(), 1);
mc = (CurveByPoints)fec.ToElements().ElementAt(0);
Assert.IsFalse(mc.IsReferenceLine);
}
public void ByReferencePoints_Mutation()
{
ElementBinder.IsEnabled = false;
var p1 = ReferencePoint.ByCoordinates(0, 0, 0);
var p2 = ReferencePoint.ByCoordinates(1, 1, 1);
var p3 = ReferencePoint.ByCoordinates(2, 2, 2);
Assert.NotNull(p1);
Assert.NotNull(p2);
Assert.NotNull(p3);
ElementBinder.IsEnabled = true;
var curveByPoints = CurveByPoints.ByReferencePoints(new List <ReferencePoint> {
p1, p2, p3
}.ToArray());
Assert.NotNull(curveByPoints);
var curveRef = curveByPoints.ElementCurveReference;
Assert.NotNull(curveRef);
var p4 = ReferencePoint.ByCoordinates(3, 3, 3);
curveByPoints = CurveByPoints.ByReferencePoints(new List <ReferencePoint> {
p1, p2, p4
}.ToArray());
Assert.NotNull(curveByPoints);
}
/// <summary>
/// Implement this method as an external command for Revit.
/// </summary>
/// <param name="commandData">An object that is passed to the external application
/// which contains data related to the command,
/// such as the application object and active view.</param>
/// <param name="message">A message that can be set by the external application
/// which will be displayed if a failure or cancellation is returned by
/// the external command.</param>
/// <param name="elements">A set of elements to which the external application
/// can add elements that are to be highlighted in case of failure or cancellation.</param>
/// <returns>Return the status of the external command.
/// A result of Succeeded means that the API external method functioned as expected.
/// Cancelled can be used to signify that the user cancelled the external operation
/// at some point. Failure should be returned if the application is unable to proceed with
/// the operation.</returns>
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
ExternalCommandData cdata = commandData;
Autodesk.Revit.ApplicationServices.Application app = commandData.Application.Application;
Document doc = commandData.Application.ActiveUIDocument.Document;
XYZ xyz = new XYZ();
ReferenceArrayArray refArAr = new ReferenceArrayArray();
int x = 0;
double z = 0;
while (x < 800)
{
ReferencePointArray rpAr = new ReferencePointArray();
int y = 0;
while (y < 800)
{
z = 50 * (Math.Cos((Math.PI / 180) * x) + Math.Cos((Math.PI / 180) * y));
xyz = app.Create.NewXYZ(x, y, z);
ReferencePoint rp = doc.FamilyCreate.NewReferencePoint(xyz);
rpAr.Append(rp);
y = y + 40;
}
CurveByPoints curve = doc.FamilyCreate.NewCurveByPoints(rpAr);
ReferenceArray refAr = new ReferenceArray();
refAr.Append(curve.GeometryCurve.Reference);
refArAr.Append(refAr);
x = x + 40;
}
Form form = doc.FamilyCreate.NewLoftForm(true, refArAr);
return(Result.Succeeded);
}
/// <summary>
/// Creates a Reference Curve based on two Points
/// </summary>
/// <param name="doc">Active Document</param>
/// <param name="point1">Point 1</param>
/// <param name="point2">Point 2</param>
/// <returns>Reference Line</returns>
public static Reference CurveFromXYZ(Document doc, XYZ point1, XYZ point2)
{
ReferencePoint referencePoint1 = doc.FamilyCreate.NewReferencePoint(point1);
ReferencePoint referencePoint2 = doc.FamilyCreate.NewReferencePoint(point2);
ReferencePointArray referencePoints = new ReferencePointArray();
referencePoints.Append(referencePoint1);
referencePoints.Append(referencePoint2);
CurveByPoints curve = doc.FamilyCreate.NewCurveByPoints(referencePoints);
return(curve.GeometryCurve.Reference);
}
public void CurvebyPointsEllipse()
{
string samplePath = Path.Combine(workingDirectory, @".\Curve\CurvebyPointsEllipse.dyn");
string testPath = Path.GetFullPath(samplePath);
ViewModel.OpenCommand.Execute(testPath);
RunCurrentModel();
FilteredElementCollector fec = new FilteredElementCollector(DocumentManager.Instance.CurrentUIDocument.Document);
fec.OfClass(typeof(CurveElement));
Assert.AreEqual(fec.ToElements().Count(), 1);
CurveByPoints mc = (CurveByPoints)fec.ToElements().ElementAt(0);
}
public void ByReferencePoints_DuplicatePoints()
{
ElementBinder.IsEnabled = false;
var p1 = ReferencePoint.ByCoordinates(0, 0, 0);
var p2 = ReferencePoint.ByCoordinates(1, 1, 1);
Assert.NotNull(p1);
Assert.NotNull(p2);
//ensure that the call to create a curve by points with
//duplicate points is handled and a system exception is thrown
Assert.Throws <Autodesk.Revit.Exceptions.ArgumentException>(
() => CurveByPoints.ByReferencePoints(new List <ReferencePoint> {
p1, p2, p2
}.ToArray()));
}
public void CurveByPoints()
{
var model = ViewModel.Model;
string samplePath = Path.Combine(workingDirectory, @".\Curve\CurveByPoints.dyn");
string testPath = Path.GetFullPath(samplePath);
ViewModel.OpenCommand.Execute(testPath);
RunCurrentModel();
//cerate some points and wire them
//to the selections
ReferencePoint p1, p2, p3, p4;
using (var trans = new Transaction(DocumentManager.Instance.CurrentUIDocument.Document))
{
trans.Start("Create reference points for testing.");
p1 = DocumentManager.Instance.CurrentUIDocument.Document.FamilyCreate.NewReferencePoint(new XYZ(1, 5, 12));
p2 = DocumentManager.Instance.CurrentUIDocument.Document.FamilyCreate.NewReferencePoint(new XYZ(5, 1, 12));
p3 = DocumentManager.Instance.CurrentUIDocument.Document.FamilyCreate.NewReferencePoint(new XYZ(12, 1, 5));
p4 = DocumentManager.Instance.CurrentUIDocument.Document.FamilyCreate.NewReferencePoint(new XYZ(5, 12, 1));
trans.Commit();
}
var ptSelectNodes = ViewModel.Model.CurrentWorkspace.Nodes.Where(x => x is DSModelElementSelection);
if (!ptSelectNodes.Any())
{
Assert.Fail("Could not find point selection nodes in dynamo graph.");
}
((DSModelElementSelection)ptSelectNodes.ElementAt(0)).UpdateSelection(new [] { p1 });;
((DSModelElementSelection)ptSelectNodes.ElementAt(1)).UpdateSelection(new [] { p2 });
((DSModelElementSelection)ptSelectNodes.ElementAt(2)).UpdateSelection(new [] { p3 });
((DSModelElementSelection)ptSelectNodes.ElementAt(3)).UpdateSelection(new [] { p4 });
RunCurrentModel();
FilteredElementCollector fec = new FilteredElementCollector(DocumentManager.Instance.CurrentUIDocument.Document);
fec.OfClass(typeof(CurveElement));
Assert.AreEqual(fec.ToElements().Count(), 1);
CurveByPoints mc = (CurveByPoints)fec.ToElements().ElementAt(0);
Assert.IsTrue(mc.IsReferenceLine);
//now flip the switch for creating a reference curve
var boolNode = ViewModel.Model.CurrentWorkspace.Nodes.Where(x => x is DSCoreNodesUI.BoolSelector).First();
((DSCoreNodesUI.BasicInteractive <bool>)boolNode).Value = false;
RunCurrentModel();
Assert.AreEqual(fec.ToElements().Count(), 1);
mc = (CurveByPoints)fec.ToElements().ElementAt(0);
Assert.IsFalse(mc.IsReferenceLine);
}
public Result Execute(
ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
UIApplication app = commandData.Application;
Document doc = app.ActiveUIDocument.Document;
if (!doc.IsFamilyDocument ||
!doc.OwnerFamily.FamilyCategory.Name.Equals("Mass"))
{
message = "Please run this comand in a conceptual massing family document.";
return(Result.Failed);
}
using (Transaction tx = new Transaction(doc))
{
tx.Start("Create Loft Form");
FamilyItemFactory creator = doc.FamilyCreate;
// Create profiles array
ReferenceArrayArray ref_ar_ar = new ReferenceArrayArray();
// Create first profile
ReferenceArray ref_ar = new ReferenceArray();
int y = 100;
int x = 50;
XYZ pa = new XYZ(-x, y, 0);
XYZ pb = new XYZ(x, y, 0);
XYZ pc = new XYZ(0, y + 10, 10);
CurveByPoints curve = FormUtils.MakeCurve(creator, pa, pb, pc);
ref_ar.Append(curve.GeometryCurve.Reference);
ref_ar_ar.Append(ref_ar);
// Create second profile
ref_ar = new ReferenceArray();
y = 40;
pa = new XYZ(-x, y, 5);
pb = new XYZ(x, y, 5);
pc = new XYZ(0, y, 25);
curve = FormUtils.MakeCurve(creator, pa, pb, pc);
ref_ar.Append(curve.GeometryCurve.Reference);
ref_ar_ar.Append(ref_ar);
// Create third profile
ref_ar = new ReferenceArray();
y = -20;
pa = new XYZ(-x, y, 0);
pb = new XYZ(x, y, 0);
pc = new XYZ(0, y, 15);
curve = FormUtils.MakeCurve(creator, pa, pb, pc);
ref_ar.Append(curve.GeometryCurve.Reference);
ref_ar_ar.Append(ref_ar);
// Create fourth profile
ref_ar = new ReferenceArray();
y = -60;
pa = new XYZ(-x, y, 0);
pb = new XYZ(x, y, 0);
pc = new XYZ(0, y + 10, 20);
curve = FormUtils.MakeCurve(creator, pa, pb, pc);
ref_ar.Append(curve.GeometryCurve.Reference);
ref_ar_ar.Append(ref_ar);
Form form = creator.NewLoftForm(true, ref_ar_ar);
tx.Commit();
}
return(Result.Succeeded);
}
private void Stream( ArrayList data, CurveByPoints curPts )
{
data.Add( new Snoop.Data.ClassSeparator( typeof( CurveByPoints ) ) );
data.Add( new Snoop.Data.Bool( "Is reference line", curPts.IsReferenceLine ) );
data.Add( new Snoop.Data.Enumerable( "Points", curPts.GetPoints() ) );
data.Add( new Snoop.Data.String( "Reference type", curPts.ReferenceType.ToString() ) );
data.Add( new Snoop.Data.Object( "Subcategory", curPts.Subcategory ) );
data.Add( new Snoop.Data.Object( "Visibility", curPts.GetVisibility() ) );
data.Add( new Snoop.Data.Bool( "Visible", curPts.Visible ) );
}
//绘制模型线
private void CreateCurve(XYZ startPoint, XYZ endPoint, XYZ normal1, XYZ normal2)
{
XYZ StartToEnd = new XYZ((endPoint - startPoint).X, (endPoint - startPoint).Y, 0);
XYZ p_normal1 = new XYZ(normal1.X, normal1.Y, 0);
XYZ p_normal2 = new XYZ(normal2.X, normal2.Y, 0);
p_normal1 = p_normal1 / (Math.Sqrt(p_normal1.X * p_normal1.X + p_normal1.Y * p_normal1.Y));
p_normal2 = p_normal2 / (Math.Sqrt(p_normal2.X * p_normal2.X + p_normal2.Y * p_normal2.Y));
XYZ XoYprj_start = new XYZ(startPoint.X, startPoint.Y, 0);
XYZ XoYprj_end = new XYZ(endPoint.X, endPoint.Y, 0);
//在起点、终点间插值，并在z=0平面上绘制NurbSpline曲线
double[] doubleArray = { 1, 1, 1, 1, 1, 1 };
IList <XYZ> controlPoints2 = new List <XYZ>();
controlPoints2.Add(XoYprj_start);
controlPoints2.Add(XoYprj_start + p_normal1 * mmToFeet(2000));
controlPoints2.Add(XoYprj_start + p_normal1 * mmToFeet(4000));
controlPoints2.Add(XoYprj_end + p_normal2 * mmToFeet(4000));
controlPoints2.Add(XoYprj_end + p_normal2 * mmToFeet(2000));
controlPoints2.Add(XoYprj_end);
Curve nbLine = NurbSpline.Create(controlPoints2, doubleArray);
//提取曲线上的拟合点，并在z轴方向插值拟合原曲线
IList <XYZ> ptsOnCurve = nbLine.Tessellate();
int ptCount = ptsOnCurve.Count;
ReferencePointArray ptArr = new ReferencePointArray();
for (int i = 0; i < ptCount; i++)
{
XYZ pt = ptsOnCurve[i];
if (i < (ptCount - 1) / 8)
{
ptArr.Append(m_familyCreator.NewReferencePoint(new XYZ(pt.X, pt.Y, startPoint.Z)));
}
else if (i > 7 * (ptCount - 1) / 8)
{
ptArr.Append(m_familyCreator.NewReferencePoint(new XYZ(pt.X, pt.Y, endPoint.Z)));
}
else
{
ptArr.Append(m_familyCreator.NewReferencePoint(new XYZ(pt.X, pt.Y, startPoint.Z + (i - (ptCount - 1) / 8) * (endPoint.Z - startPoint.Z) / (0.75 * (ptCount - 1)))));
}
//ReferencePoint p = m_familyCreator.NewReferencePoint(new XYZ(pt.X, pt.Y, startPoint.Z + i*(endPoint.Z - startPoint.Z)/ (ptCount - 1)));
//ptArr.Append(p);
}
CurveByPoints curve = m_familyCreator.NewCurveByPoints(ptArr);
curve.Visible = false;
//创建放样平面并加入参照数组中
int step = 8;//取step个点进行拟合
ReferenceArrayArray refArr = new ReferenceArrayArray();
for (int i = 0; i <= step; i++)
{
int position = i * (ptCount - 1) / step;
//取起点截面及第二个截面作为参照平面
if (i == 0)
{
refArr.Append(CreatePlaneByPoint(ptArr.get_Item(position), ptArr.get_Item((i + 1) * (ptCount - 1) / step), (curve.GeometryCurve as HermiteSpline).Tangents[position], (curve.GeometryCurve as HermiteSpline).Tangents[((i + 1) * (ptCount - 1) / step)]));
}
//取终点截面及倒数第二个截面作为参照平面
else if (i == step)
{
refArr.Append(CreatePlaneByPoint(ptArr.get_Item(position), ptArr.get_Item((i - 1) * (ptCount - 1) / step), (curve.GeometryCurve as HermiteSpline).Tangents[position], (curve.GeometryCurve as HermiteSpline).Tangents[((i - 1) * (ptCount - 1) / step)]));
}
else
{
refArr.Append(CreatePlaneByPoint(ptArr.get_Item(position), (curve.GeometryCurve as HermiteSpline).Tangents[position]));
}
}
//创建放样实体
m_familyCreator.NewLoftForm(true, refArr);
}
private void CreateCurve(XYZ startPoint, XYZ endPoint, XYZ normal1, XYZ normal2)
{
XYZ StartToEnd = new XYZ((endPoint - startPoint).X, (endPoint - startPoint).Y, 0);
XYZ p_normal1 = new XYZ(normal1.X, normal1.Y, 0);
XYZ p_normal2 = new XYZ(normal2.X, normal2.Y, 0);
/**
* double sita1 = StartToEnd.AngleTo(p_normal1);
* double sita2 = StartToEnd.AngleTo(p_normal2);
* XYZ e1 = Math.Abs(((0.25 * StartToEnd).GetLength() * Math.Cos(sita1) / p_normal1.GetLength())) * p_normal1;
* XYZ e2 = Math.Abs(((0.25 * StartToEnd).GetLength() * Math.Cos(sita2) / p_normal2.GetLength())) * p_normal2;
*
*
* XYZ prePt1 = new XYZ(startPoint.X + e1.X, startPoint.Y + e1.Y, 0);
* XYZ prePt2 = new XYZ(endPoint.X + e2.X, endPoint.Y + e2.Y, 0);
*/
p_normal1 = p_normal1 / (Math.Sqrt(p_normal1.X * p_normal1.X + p_normal1.Y * p_normal1.Y));
p_normal2 = p_normal2 / (Math.Sqrt(p_normal2.X * p_normal2.X + p_normal2.Y * p_normal2.Y));
//在起点、终点间插值，绘制NurbSpline曲线
double[] doubleArray = { 1, 1, 1, 1, 1, 1 };
IList <XYZ> controlPoints2 = new List <XYZ>();
/**
* controlPoints2.Insert(0, new XYZ(startPoint.X, startPoint.Y, 0));
* controlPoints2.Insert(1, prePt1);
* //controlPoints2.Insert(2, new XYZ((startPoint.X + endPoint.X) / 2, (startPoint.Y + endPoint.Y) / 2, 0));
* controlPoints2.Insert(2, prePt2);
* controlPoints2.Insert(3, new XYZ(endPoint.X, endPoint.Y, 0));
*/
controlPoints2.Add(startPoint);
controlPoints2.Add(startPoint + p_normal1 * mmToFeet(2000));
controlPoints2.Add(startPoint + p_normal1 * mmToFeet(4000));
controlPoints2.Add(endPoint + p_normal2 * mmToFeet(4000));
controlPoints2.Add(endPoint + p_normal2 * mmToFeet(2000));
controlPoints2.Add(endPoint);
Curve nbLine = NurbSpline.Create(controlPoints2, doubleArray);
//提取曲线上的拟合点
IList <XYZ> ptsOnCurve = nbLine.Tessellate();
int ptCount = ptsOnCurve.Count;
ReferencePointArray ptArr = new ReferencePointArray();
for (int i = 0; i < ptCount; i++)
{
XYZ pt = ptsOnCurve[i];
ReferencePoint p = m_familyCreator.NewReferencePoint(new XYZ(pt.X, pt.Y, startPoint.Z + i / (ptCount - 1) * (endPoint.Z - startPoint.Z)));
ptArr.Append(p);
}
CurveByPoints curve = m_familyCreator.NewCurveByPoints(ptArr);
curve.Visible = false;
//创建放样平面并加入参照数组中
int step = 16;//取4分点进行拟合
ReferenceArrayArray refArr = new ReferenceArrayArray();
for (int i = 0; i <= step; i++)
{
int position = i * (ptCount - 1) / step;
if (i == 0)
{
refArr.Append(CreatePlaneByPoint(ptArr.get_Item(position), normal1));
}
else if (i == ptArr.Size - 1)
{
/**
* {
* Plane plane = new Plane(normal2, ptArr.get_Item(position).Position);
* Plane planeEx = new Plane(plane.XVec.CrossProduct(normal2),plane.YVec.CrossProduct(normal2),plane.Origin);
* }
*/
refArr.Append(CreatePlaneByPoint(ptArr.get_Item(position), -normal2));
}
else
{
refArr.Append(CreatePlaneByPoint(ptArr.get_Item(position), (curve.GeometryCurve as HermiteSpline).Tangents[position]));
}
}
//创建放样实体
m_familyCreator.NewLoftForm(true, refArr);
}
