private IBody2 CreateBodyFromSketchContour(IModeler modeler,
IMathUtility mathUtils, ISketchContour skCont, double height, bool midPlane)
{
var sketch = skCont.Sketch;
if (sketch.Is3D())
{
throw new UserErrorException("Only 2D sketches are supported");
}
var transform = sketch.ModelToSketchTransform.IInverse();
var boundary = (skCont.GetEdges() as object[])
.Cast <IEdge>()
.Select(e =>
{
var curve = e.IGetCurve().ICopy(); //must copy curve otherwise CreateTrimmedSheet4 is failing
return(curve);
}).ToArray();
var centerPt = mathUtils.CreatePoint(new double[] { 0, 0, 0 }) as IMathPoint;
var dirVec = mathUtils.CreateVector(new double[] { 0, 0, 1 }) as IMathVector;
var refVec = mathUtils.CreateVector(new double[] { 1, 0, 0 }) as IMathVector;
centerPt = centerPt.IMultiplyTransform(transform);
dirVec = dirVec.IMultiplyTransform(transform);
refVec = refVec.IMultiplyTransform(transform);
if (midPlane)
{
var dirRevVec = new Vector(dirVec.ArrayData as double[]);
dirRevVec.Scale(-1);
var origPt = new Point(centerPt.ArrayData as double[]);
MoveCurves(origPt, dirRevVec, height / 2, boundary, mathUtils);
centerPt = mathUtils.CreatePoint(origPt.Move(dirRevVec, height / 2).ToArray()) as IMathPoint;
}
var surf = modeler.CreatePlanarSurface2(centerPt.ArrayData, dirVec.ArrayData, refVec.ArrayData) as ISurface;
var sheetBody = surf.CreateTrimmedSheet4(boundary, true) as Body2;
if (sheetBody == null)
{
throw new NullReferenceException("Failed to create trimmed sheet from surface region");
}
var solidBody = modeler.CreateExtrudedBody(sheetBody, dirVec as MathVector, height) as IBody2;
var faces = (solidBody.GetFaces() as object[]).Cast <IFace2>().ToArray();
return(modeler.CreateSheetFromFaces(faces));
}
//TODO: calculate height based on bounding box
private IBody2 CreateBodyFromSketchContour(IModeler modeler,
IMathUtility mathUtils, ISketchContour skCont, double height = 1000)
{
var sketch = skCont.Sketch;
if (sketch.Is3D())
{
throw new UserErrorException("Only 2D sketches are supported");
}
var transform = sketch.ModelToSketchTransform.IInverse();
var boundary = (skCont.GetEdges() as object[])
.Cast <IEdge>()
.Select(e =>
{
var curve = e.IGetCurve().ICopy(); //must copy curve otherwise CreateTrimmedSheet4 is failing
return(curve);
}).ToArray();
var centerPt = mathUtils.CreatePoint(new double[] { 0, 0, 0 }) as IMathPoint;
var dirVec = mathUtils.CreateVector(new double[] { 0, 0, 1 }) as IMathVector;
var refVec = mathUtils.CreateVector(new double[] { 1, 0, 0 }) as IMathVector;
centerPt = centerPt.IMultiplyTransform(transform);
dirVec = dirVec.IMultiplyTransform(transform);
refVec = refVec.IMultiplyTransform(transform);
var surf = modeler.CreatePlanarSurface2(centerPt.ArrayData, dirVec.ArrayData, refVec.ArrayData) as ISurface;
var sheetBody = surf.CreateTrimmedSheet4(boundary, true) as Body2;
if (sheetBody == null)
{
throw new NullReferenceException("Failed to create trimmed sheet from surface region");
}
var firstBody = modeler.CreateExtrudedBody(sheetBody, dirVec as MathVector, height * 0.9 / 2) as IBody2;
var secondBody = modeler.CreateExtrudedBody(sheetBody, dirVec.IScale(-1), height * 0.9 / 2) as IBody2;
int err;
var res = firstBody.Operations2((int)swBodyOperationType_e.SWBODYADD, secondBody, out err) as object[];
return(res.First() as IBody2);
}