public void HermiteSpline_Basic()
{
var pts = new List <Autodesk.Revit.DB.XYZ>()
{
new Autodesk.Revit.DB.XYZ(1, 0, 0),
new Autodesk.Revit.DB.XYZ(1, 1, 0),
new Autodesk.Revit.DB.XYZ(0.5, 1, 0),
new Autodesk.Revit.DB.XYZ(0, 1, 0)
};
var ts = new Autodesk.Revit.DB.HermiteSplineTangents
{
StartTangent = new Autodesk.Revit.DB.XYZ(0, 1, 0),
EndTangent = new Autodesk.Revit.DB.XYZ(-1, 0, 0)
};
var revitSpline = Autodesk.Revit.DB.HermiteSpline.Create(pts, false, ts);
var protoCurve = revitSpline.ToProtoType(false);
Assert.NotNull(protoCurve);
Assert.IsAssignableFrom <Autodesk.DesignScript.Geometry.NurbsCurve>(protoCurve);
var protoSpline = (Autodesk.DesignScript.Geometry.NurbsCurve)protoCurve;
protoSpline.StartPoint.ShouldBeApproximately(pts[0]);
protoSpline.EndPoint.ShouldBeApproximately(pts.Last());
protoSpline.TangentAtParameter(0.0).ShouldBeApproximately(revitSpline.Tangents[0]);
protoSpline.TangentAtParameter(1.0).ShouldBeApproximately(revitSpline.Tangents.Last());
var tessPts = revitSpline.Tessellate();
// assert the tesselation is very close to original curve
// what's the best tolerance to use here?
foreach (var pt in tessPts)
{
var closestPt = protoSpline.ClosestPointTo(pt.ToPoint(false));
Assert.Less(closestPt.DistanceTo(pt.ToPoint(false)), 1e-6);
}
}
public void HermiteSpline_Basic()
{
var pts = new List<Autodesk.Revit.DB.XYZ>()
{
new Autodesk.Revit.DB.XYZ(1,0,0),
new Autodesk.Revit.DB.XYZ(1,1,0),
new Autodesk.Revit.DB.XYZ(0.5,1,0),
new Autodesk.Revit.DB.XYZ(0,1,0)
};
var ts = new Autodesk.Revit.DB.HermiteSplineTangents
{
StartTangent = new Autodesk.Revit.DB.XYZ(0, 1, 0),
EndTangent = new Autodesk.Revit.DB.XYZ(-1, 0, 0)
};
var revitSpline = Autodesk.Revit.DB.HermiteSpline.Create(pts, false, ts);
var protoCurve = revitSpline.ToProtoType(false);
Assert.NotNull(protoCurve);
Assert.IsAssignableFrom<Autodesk.DesignScript.Geometry.NurbsCurve>(protoCurve);
var protoSpline = (Autodesk.DesignScript.Geometry.NurbsCurve)protoCurve;
protoSpline.StartPoint.ShouldBeApproximately(pts[0]);
protoSpline.EndPoint.ShouldBeApproximately(pts.Last());
protoSpline.TangentAtParameter(0.0).ShouldBeApproximately(revitSpline.Tangents[0]);
protoSpline.TangentAtParameter(1.0).ShouldBeApproximately(revitSpline.Tangents.Last());
var tessPts = revitSpline.Tessellate();
// assert the tesselation is very close to original curve
// what's the best tolerance to use here?
foreach (var pt in tessPts)
{
var closestPt = protoSpline.GetClosestPoint(pt.ToPoint(false));
Assert.Less(closestPt.DistanceTo(pt.ToPoint(false)), 1e-6);
}
}
