// hardwired to place on about inch-spaced points
// Edge-only for now -- See EO comments
static void MakeTabs_Executing(object sender, EventArgs e)
{
Window activeWindow = Window.ActiveWindow;
Layer tabLayer = NoteHelper.CreateOrGetLayer(activeWindow.ActiveContext.Context.Document, "Tabs", System.Drawing.Color.Fuchsia);
ICollection <ITrimmedCurve> trimmedCurves = AddInHelper.GetITrimmedCurvesOfSelectedTopology(activeWindow);
// quantize with lines to points separated by approx targetDistance;
TrimmedCurveChain curveChain = new TrimmedCurveChain(trimmedCurves);
Point lastPoint = curveChain.Curves[0].StartPoint;
double tolerance = 0.2 * inches;
double targetDistance = 1 * inches;
trimmedCurves = new List <ITrimmedCurve>();
Dictionary <ITrimmedCurve, Direction> OriginalNormals = new Dictionary <ITrimmedCurve, Direction>();
double extraLength = 0;
foreach (OrientedTrimmedCurve curve in curveChain.Curves)
{
Point point = curve.EndPoint;
if (Math.Abs((lastPoint - point).Magnitude - targetDistance) > tolerance)
{
extraLength += (lastPoint - point).Magnitude;
continue;
}
CurveSegment curveSegment = null;
// if (extraLength == 0)
curveSegment = CurveSegment.Create(lastPoint, point);
// else
// curveSegment = CurveSegment.Create(point - (lastPoint - point).Direction * ((lastPoint - point).Magnitude + extraLength), point);
trimmedCurves.Add(curveSegment);
Edge edge = curve.TrimmedCurve as Edge;
if (edge != null)
{
Face face = null;
foreach (Face testFace in edge.Faces)
{
face = testFace;
break;
}
SurfaceEvaluation surfEval = face.ProjectPoint(curve.StartPoint);
OriginalNormals[curveSegment] = surfEval.Normal;
}
lastPoint = point;
// extraLength = 0;
}
curveChain = new TrimmedCurveChain(trimmedCurves);
if (AreTabsFlipped)
{
curveChain.Reverse();
}
List <Window> curveWindows = new List <Window>(Document.Open(@"C:\Users\bcr.SPACECLAIM\Documents\Models\Pod Tent\TabCurve.scdoc", false));
bool adjustEnds = true;
#if false
List <Window> curveWindows = new List <Window>(Document.Open(@"C:\Users\bcr.SPACECLAIM\Documents\Models\Pod Tent\TabStrapEdgeCurve.scdoc", false));
bool adjustEnds = true;
#endif
NurbsCurve middle = GetFirstNurbsCurveFromPart(curveWindows[0].Scene as Part);
Debug.Assert(middle != null);
NurbsCurve endTab = null;
NurbsCurve endSlot = null;
foreach (Component component in (curveWindows[0].Scene as Part).Components)
{
if (component.Template.Name == "EndTab")
{
endTab = GetFirstNurbsCurveFromPart(component.Template);
}
if (component.Template.Name == "EndSlot")
{
endSlot = GetFirstNurbsCurveFromPart(component.Template);
}
}
Debug.Assert(endTab != null);
Debug.Assert(endSlot != null);
Point startPoint = curveChain.Curves[0].StartPoint;
Point endPoint = curveChain.Curves[0].EndPoint;
Point startTail = startPoint + (endPoint - startPoint);
bool mirror = false;
if (IsTabStartSlot)
{
NurbsCurve tmp = endTab;
endTab = endSlot;
endSlot = tmp;
mirror = !mirror;
}
for (int i = 0; i < curveChain.Curves.Count; i++)
{
Point endTail;
if (i == curveChain.Curves.Count - 1)
{
endTail = curveChain.Curves[i].EndPoint + (curveChain.Curves[i].EndPoint - curveChain.Curves[i].StartPoint);
}
else
{
endTail = curveChain.Curves[i + 1].EndPoint;
}
Point mid = Point.Origin + (startPoint.Vector + endPoint.Vector) / 2;
Direction startDirection = (startPoint - startTail).Direction;
Direction lineDirection = (endPoint - startPoint).Direction;
Direction endDirection = (endTail - endPoint).Direction;
Direction upDirection = Direction.DirZ;
//if (upDirection.IsParallelTo(lineDirection))
// upDirection = Direction.DirY;
if (OriginalNormals.ContainsKey(curveChain.Curves[i].TrimmedCurve))
{
upDirection = OriginalNormals[curveChain.Curves[i].TrimmedCurve];
}
Direction normalDirection = Direction.Cross(lineDirection, upDirection);
Line startMidLine;
if (startDirection.UnitVector == lineDirection.UnitVector)
{
startMidLine = Line.Create(startPoint, Direction.Cross(lineDirection, upDirection));
}
else
{
startMidLine = Line.Create(startPoint, (startDirection.UnitVector - lineDirection.UnitVector).Direction);
}
Line endMidLine;
if (lineDirection.UnitVector == endDirection.UnitVector)
{
endMidLine = Line.Create(endPoint, Direction.Cross(lineDirection, upDirection));
}
else
{
endMidLine = Line.Create(endPoint, (lineDirection.UnitVector - endDirection.UnitVector).Direction);
}
NurbsCurve template = middle;
if (mirror)
{
lineDirection = -lineDirection;
Line tmp = startMidLine;
startMidLine = endMidLine;
endMidLine = tmp;
}
if (i == 0)
{
template = endSlot;
}
if (i == curveChain.Curves.Count - 1)
{
if (mirror ^ IsTabStartSlot)
{
template = endSlot;
}
else
{
template = endTab;
}
}
Frame frame = Frame.Create(mid, lineDirection, normalDirection);
Matrix transform = Matrix.CreateMapping(frame);
ControlPoint[] controlPoints = new ControlPoint[template.ControlPoints.Length];
int j = 0;
foreach (ControlPoint controlPoint in template.ControlPoints)
{
controlPoints[j] = new ControlPoint(transform * controlPoint.Position, controlPoint.Weight);
j++;
}
//CurveEvaluation curveEval = null;
//curveEval = startMidLine.Evaluate(1);
//DesignCurve.Create(activeWindow.SubjectMatter as Part, CurveSegment.Create(startPoint, curveEval.Point));
//curveEval = endMidLine.Evaluate(1);
//DesignCurve.Create(activeWindow.SubjectMatter as Part, CurveSegment.Create(endPoint, curveEval.Point));
MakeNurbsEndTangent(endMidLine, controlPoints, 0, 1);
if (adjustEnds)
{
MakeNurbsEndTangent(startMidLine, controlPoints, controlPoints.Length - 1, controlPoints.Length - 2);
}
Curve curve = NurbsCurve.Create(template.Data, controlPoints);
CurveSegment curveSegment = CurveSegment.Create(curve, template.Parameterization.Range.Value);
DesignCurve tab = DesignCurve.Create(activeWindow.ActiveContext.Context as Part, curveSegment);
tab.Layer = tabLayer;
startTail = startPoint;
startPoint = endPoint;
endPoint = endTail;
mirror = !mirror;
}
foreach (Window window in curveWindows)
{
window.Close();
}
}