public static void DisplayTemporaryDimension(Document animationDocument, Node baseNode, Node extrusion, Mouse3DPosition mouseData, bool enableSelection)
{
var subShape = new NodeBuilder(animationDocument, FunctionNames.SubShape);
subShape[0].Reference = extrusion;
subShape[1].Integer = 1;
subShape[2].Integer = (int)TopAbsShapeEnum.TopAbs_EDGE;
subShape.ExecuteFunction();
if (subShape.Shape == null)
{
return;
}
var edge = TopoDS.Edge(subShape.Shape);
var baseNodeBuilder = new NodeBuilder(baseNode);
var gravityCenter = GeomUtils.ExtractGravityCenter(baseNodeBuilder.Shape);
var firstPoint = new Point3D();
var firstPointCalculated = GeomUtils.CalculateEdgeFirstPoint(edge);
if (firstPointCalculated != null)
{
firstPoint = (Point3D)firstPointCalculated;
}
var secondPoint = new Point3D();
var secondPointCalculated = GeomUtils.CalculateEdgeLastPoint(edge);
if (secondPointCalculated != null)
{
secondPoint = (Point3D)secondPointCalculated;
}
var middlePoint = GeomUtils.ComputeMidPoint(firstPoint, secondPoint);
// Translate the dimenion text at some distance from the extrude
var vector = new gpVec(firstPoint.GpPnt, gravityCenter.GpPnt);
vector.Reverse();
vector.Normalize();
vector.Multiply(2);
middlePoint = GeomUtils.BuildTranslation(middlePoint, vector);
subShape.Visibility = ObjectVisibility.Hidden;
// Build a distance dimension just for animation purposes
var animationBuilder = new NodeBuilder(animationDocument, FunctionNames.PointsDimension);
animationBuilder[0].TransformedPoint3D = firstPoint;
animationBuilder[1].TransformedPoint3D = secondPoint;
animationBuilder[2].TransformedPoint3D = middlePoint;
animationBuilder[3].Integer = (int)DsgPrsArrowSide.DsgPrs_AS_FIRSTPT_LASTAR;
animationBuilder[4].Real = 1;
animationBuilder.EnableSelection = false;
animationBuilder.Color = Color.Black;
animationBuilder.ExecuteFunction();
}