/// <summary>
/// Builds a dimension on an edge of type Line
/// </summary>
private static AISInteractiveObject BuildLineDimension(TopoDSEdge edge, gpPnt textLocation,
GeomPlane dimensionPlane, DsgPrsArrowSide arrowType, bool isOffset, gpPnt offset)
{
var curve = new BRepAdaptorCurve(edge);
if (curve.GetType != GeomAbsCurveType.GeomAbs_Line)
{
return(null);
}
// For a line use a length dimension
var line = curve.Line;
if (line.Distance(textLocation) < Precision.Confusion)
{
textLocation.X = (textLocation.X + 0.01);
}
var firstPoint = curve.Value(curve.FirstParameter);
var lastPoint = curve.Value(curve.LastParameter);
var plane = dimensionPlane;
if (plane == null)
{
var mkPlane = new GCMakePlane(firstPoint, lastPoint, textLocation);
plane = mkPlane.Value;
}
var length = firstPoint.Distance(lastPoint);
return(length < 1e-12
? null
: GeomUtils.BuildLengthDimension(firstPoint, lastPoint, plane, textLocation,
arrowType, ArrowSize, 0.2, isOffset, offset));
}
public void CircleMultiLineTrimTest()
{
var wireCircle =
OccShapeCreatorCode.CreateWireCircle(new gpAx1(new gpPnt(0, 0, 0), new gpDir(0, 0, 1)), 2);
var circleEdges = GeomUtils.ExtractEdges(wireCircle);
var edge1 = new BRepBuilderAPIMakeEdge(new gpPnt(-3, 0, 0), new gpPnt(3, 0, 0)).Edge;
var edge2 = new BRepBuilderAPIMakeEdge(new gpPnt(0, -3, 0), new gpPnt(0, 3, 0)).Edge;
Assert.IsTrue(circleEdges.Count > 0, "invalid circle edges");
var clickPoint = new Point3D(2, 0, 0);
var trimmingEdges = new List <TopoDSEdge> {
edge1, edge2
};
var trimmedEdges = GeomUtils.TrimGenericShape(trimmingEdges, circleEdges[0], clickPoint);
Assert.IsTrue(trimmedEdges.Count == 1, "Incorrect number of trim solutions");
var trimmedCurve = new BRepAdaptorCurve(trimmedEdges[0]);
var firstPoint = new Point3D(trimmedCurve.Value(trimmedCurve.FirstParameter));
var lastPoint = new Point3D(trimmedCurve.Value(trimmedCurve.LastParameter));
Assert.IsTrue(firstPoint.IsEqual(new Point3D(0, 2, 0)), "invalid trimming point");
Assert.IsTrue(lastPoint.IsEqual(new Point3D(2, 0, 0)), "invalid trimming point");
}
private void GetLength(ref object resultvalue)
{
if (Builder[0].ReferenceBuilder.FunctionName == FunctionNames.Circle)
{
var radius = Builder[0].ReferenceBuilder.Dependency[1].Real;
resultvalue = radius * 2;
return;
}
var referenceShape = ShapeUtils.ExtractSubShape(Builder[0].ReferenceData);
var edge = TopoDS.Edge(referenceShape);
var curve = new BRepAdaptorCurve(edge);
var firstPoint = curve.Value(curve.FirstParameter);
var lastPoint = curve.Value(curve.LastParameter);
var length = firstPoint.Distance(lastPoint);
resultvalue = length;
}