// attempting to load the shapeGeometry from the database;
//
public static WpfMeshGeometry3D GetGeometry(IIfcShapeRepresentation rep, XbimModelPositioningCollection positions, Material mat, bool wcsAdjust)
{
var productContexts = rep.OfProductRepresentation?.OfType<IIfcProductDefinitionShape>().SelectMany(x => x.ShapeOfProduct);
var representationLabels = rep.Items.Select(x => x.EntityLabel);
var selModel = rep.Model;
var modelTransform = positions[selModel].Transform;
return GetRepresentationGeometry(mat, productContexts, representationLabels, selModel, modelTransform, wcsAdjust);
}
// attempting to load the shapeGeometry from the database;
//
public static WpfMeshGeometry3D GetGeometry(IIfcShapeRepresentation rep, XbimModelPositioningCollection positions, Material mat)
{
var placementTree = new XbimPlacementTree(rep.Model);
var tgt = new WpfMeshGeometry3D(mat, mat);
tgt.BeginUpdate();
var prodShapes = rep.OfProductRepresentation.OfType <IIfcProductDefinitionShape>();
foreach (var prodShape in prodShapes)
{
if (prodShape?.ShapeOfProduct == null)
{
continue;
}
foreach (var contextualProduct in prodShape?.ShapeOfProduct)
{
var trsf = placementTree[contextualProduct.ObjectPlacement.EntityLabel];
var modelTransform = positions[rep.Model].Transform;
using (var geomstore = rep.Model.GeometryStore)
using (var geomReader = geomstore.BeginRead())
{
var dispitems = rep.Items.Select(x => x.EntityLabel);
var r2 = geomReader.ShapeGeometries.Where(x => dispitems.Contains(x.IfcShapeLabel));
foreach (IXbimShapeGeometryData shapegeom in r2)
{
if (shapegeom.Format != (byte)XbimGeometryType.PolyhedronBinary)
{
continue;
}
// Debug.WriteLine($"adding {shapegeom.ShapeLabel} at {DateTime.Now.ToLongTimeString()}");
var transform = trsf * modelTransform;
tgt.Add(
shapegeom.ShapeData,
453, // shapeInstance.IfcTypeId,
contextualProduct.EntityLabel, // shapeInstance.IfcProductLabel,
-1, // shapeInstance.InstanceLabel,
transform,
(short)rep.Model.UserDefinedId
);
}
}
}
}
tgt.EndUpdate();
return(tgt);
}
public static WpfMeshGeometry3D GetGeometry(EntitySelection selection, XbimModelPositioningCollection positions, Material mat)
{
var tgt = new WpfMeshGeometry3D(mat, mat);
tgt.BeginUpdate();
foreach (var modelgroup in selection.GroupBy(i => i.Model))
{
var model = modelgroup.Key;
var modelTransform = positions[model]?.Transform;
if (modelTransform != null)
{
using (var geomstore = model.GeometryStore)
using (var geomReader = geomstore.BeginRead())
{
foreach (var item in modelgroup)
{
foreach (var shapeInstance in geomReader.ShapeInstancesOfEntity(item).Where(x => x.RepresentationType != XbimGeometryRepresentationType.OpeningsAndAdditionsExcluded))
{
IXbimShapeGeometryData shapegeom = geomReader.ShapeGeometry(shapeInstance.ShapeGeometryLabel);
if (shapegeom.Format != (byte)XbimGeometryType.PolyhedronBinary)
{
continue;
}
var transform = shapeInstance.Transformation * modelTransform;
tgt.Add(
shapegeom.ShapeData,
shapeInstance.IfcTypeId,
shapeInstance.IfcProductLabel,
shapeInstance.InstanceLabel,
transform,
(short)model.UserDefinedId
);
}
}
}
}
}
tgt.EndUpdate();
return(tgt);
}
