/// <summary>
/// 获取一个ifcproduct的boundingbox
/// </summary>
/// <param name="product">指定的product</param>
/// <returns>XbimRect3D精度为2位的盒子</returns>
public XbimRect3D GetAABB(IIfcProduct product)
{
//Xbim3DModelContext context = new Xbim3DModelContext(model);
//context.CreateContext();
XbimRect3D prodBox = XbimRect3D.Empty;
if (context.ShapeInstancesOf(product).Count() == 0)
{
return(prodBox);
}
foreach (var shp in context.ShapeInstancesOf(product))
{
var bb = shp.BoundingBox;
bb = XbimRect3D.TransformBy(bb, shp.Transformation);
if (prodBox.IsEmpty)
{
prodBox = bb;
}
else
{
prodBox.Union(bb);
}
}
//精度为2位小数
prodBox.Round(2);
return(prodBox);
//Console.WriteLine(prodBox.ToString());
}