private IBody2 CreateBodyFromSketchRegion(IModeler modeler,
IMathUtility mathUtils, ISketchRegion skReg, double height = 1000)
{
var sketch = skReg.Sketch;
if (sketch.Is3D())
{
throw new UserErrorException("Only 2D sketches are supported");
}
var transform = sketch.ModelToSketchTransform.IInverse();
var boundary = (skReg.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);
}
internal SwSketchRegion(ISketchRegion region, ISwDocument doc, ISwApplication app) : base(region, doc, app)
{
Region = region;
}
public ISketchRegionObject(ISketchRegion ISketchRegioninstance)
{
ISketchRegionInstance = ISketchRegioninstance;
}
internal SwSketchRegion(ISketchRegion region, ISwDocument doc) : base(region, doc)
{
Region = region;
}
internal SwSketchRegion(ISketchRegion region, IModelDoc2 model) : base(model, region)
{
Region = region;
}