// attempting to load the shapeGeometry from the database;
//
internal static WpfMeshGeometry3D GetRepresentationGeometry(Material mat, IEnumerable<IIfcProduct> productContexts, IEnumerable<int> representationLabels, IModel selModel, XbimMatrix3D modelTransform, bool wcsAdjust)
{
var placementTree = new XbimPlacementTree(selModel, wcsAdjust);
var tgt = new WpfMeshGeometry3D(mat, mat);
tgt.BeginUpdate();
using (var geomstore = selModel.GeometryStore)
using (var geomReader = geomstore.BeginRead())
{
var matchingGeometries = geomReader.ShapeGeometries.Where(x => representationLabels.Contains(x.IfcShapeLabel));
foreach (var contextualProduct in productContexts)
{
var trsf = placementTree[contextualProduct.ObjectPlacement.EntityLabel];
foreach (IXbimShapeGeometryData shapegeom in matchingGeometries)
{
if (shapegeom.Format != (byte)XbimGeometryType.PolyhedronBinary)
continue;
// Debug.WriteLine($"adding {shapegeom.ShapeLabel} at {DateTime.Now.ToLongTimeString()}");
var transform = trsf * modelTransform;
tgt.Add(
shapegeom.ShapeData,
453, // shapeInstance.IfcTypeId,
contextualProduct.EntityLabel, // shapeInstance.IfcProductLabel,
-1, // shapeInstance.InstanceLabel,
transform,
(short)contextualProduct.Model.UserDefinedId
);
}
}
}
tgt.EndUpdate();
return tgt;
}
protected XbimMatrix3D PlacementOf(IIfcProduct p)
{
XbimPlacementTree tree;
if (!Placements.TryGetValue(p.Model, out tree))
{
tree = new XbimPlacementTree(p.Model, false);
Placements.Add(p.Model, tree);
}
return(XbimPlacementTree.GetTransform(p, tree, Engine));
}
// attempting to load the shapeGeometry from the database;
//
public static WpfMeshGeometry3D GetGeometry(IIfcShapeRepresentation rep, XbimModelPositioningCollection positions, Material mat)
{
var placementTree = new XbimPlacementTree(rep.Model);
var tgt = new WpfMeshGeometry3D(mat, mat);
tgt.BeginUpdate();
var prodShapes = rep.OfProductRepresentation.OfType <IIfcProductDefinitionShape>();
foreach (var prodShape in prodShapes)
{
if (prodShape?.ShapeOfProduct == null)
{
continue;
}
foreach (var contextualProduct in prodShape?.ShapeOfProduct)
{
var trsf = placementTree[contextualProduct.ObjectPlacement.EntityLabel];
var modelTransform = positions[rep.Model].Transform;
using (var geomstore = rep.Model.GeometryStore)
using (var geomReader = geomstore.BeginRead())
{
var dispitems = rep.Items.Select(x => x.EntityLabel);
var r2 = geomReader.ShapeGeometries.Where(x => dispitems.Contains(x.IfcShapeLabel));
foreach (IXbimShapeGeometryData shapegeom in r2)
{
if (shapegeom.Format != (byte)XbimGeometryType.PolyhedronBinary)
{
continue;
}
// Debug.WriteLine($"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);
}
internal void Prepare(CancelableProgressing cancelableProgress)
{
PlacementTree = new XbimPlacementTree(Source, false);
SourceRootPlacementsLabels = Source.Instances
.OfType <IIfcLocalPlacement>()
.Where(p => p.PlacementRelTo == null).Select(p => p.EntityLabel).ToArray();
Array.Sort(SourceRootPlacementsLabels);
switch (AppliedPlacementStrategy)
{
case IfcPlacementStrategy.NewRootPlacement:
if (Source.SchemaVersion == Xbim.Common.Step21.XbimSchemaVersion.Ifc2X3)
{
throw new NotSupportedException("IFC2x3 doesn't support new placements without object context. Consider using 'IfcPlacementStrategy.ChangeRootPlacements'");
}
// Shift is absorbed by new placement
SingletonShift = XbimVector3D.Zero;
break;
case IfcPlacementStrategy.ChangeRootPlacements:
if (SourceRootPlacementsLabels.Length > 1)
{ // Mean, if more than one
var entireTranslation = SourceRootPlacementsLabels.Select(l => PlacementTree[l].Translation).Aggregate((a, b) => a + b);
SingletonShift = entireTranslation * (1.0 / SourceRootPlacementsLabels.Length);
}
else
{ // Precise offset of singleton root
SingletonShift = PlacementTree[SourceRootPlacementsLabels[0]].Translation;
}
AppliedAxisAlignment.SourceReferenceAxis.Translate(SingletonShift, -UnitsPerMeterSource);
break;
default:
throw new NotImplementedException($"Missing '{AppliedPlacementStrategy}'");
}
}
internal static WpfMeshGeometry3D GetRepresentationGeometry2(Material mat, IEnumerable <int> representationLabels, IModel selModel, XbimMatrix3D modelTransform, bool wcsAdjust, XbimShapeGeometry shapegeom, IIfcProduct contextualProduct)
{
var placementTree = new XbimPlacementTree(selModel, wcsAdjust);
var trsf = placementTree[contextualProduct.ObjectPlacement.EntityLabel];
var tgt = new WpfMeshGeometry3D(mat, mat);
tgt.BeginUpdate();
if (shapegeom.Format == XbimGeometryType.PolyhedronBinary)
{
// Debug.WriteLine($"adding {shapegeom.ShapeLabel} at {DateTime.Now.ToLongTimeString()}");
var transform = trsf * modelTransform;
tgt.Add(
((IXbimShapeGeometryData)shapegeom).ShapeData,
contextualProduct.ExpressType.TypeId, // shapeInstance.IfcTypeId,
contextualProduct.EntityLabel, // shapeInstance.IfcProductLabel,
-1, // shapeInstance.InstanceLabel,
transform,
(short)contextualProduct.Model.UserDefinedId
);
}
tgt.EndUpdate();
return(tgt);
}
