public static WpfMeshGeometry3D GetGeometry(IPersistEntity selection, XbimMatrix3D modelTransform, WpfMaterial mat)
{
var tgt = new WpfMeshGeometry3D(mat, mat);
tgt.BeginUpdate();
using (var geomstore = selection.Model.GeometryStore)
{
using (var geomReader = geomstore.BeginRead())
{
foreach (var shapeInstance in geomReader.ShapeInstancesOfEntity(selection).Where(x => x.RepresentationType == XbimGeometryRepresentationType.OpeningsAndAdditionsIncluded))
{
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)selection.Model.UserDefinedId
);
}
}
}
tgt.EndUpdate();
return(tgt);
}
// 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($"adding {shapegeom.ShapeLabel} at {DateTime.Now.ToLongTimeString()}");
var transform = trsf * modelTransform;
tgt.Add(
shapegeom.ShapeData,
453, // shapeInstance.IfcTypeId,
contextualProduct.EntityLabel, // shapeInstance.IfcProductLabel,
-1, // shapeInstance.InstanceLabel,
transform,
(short)contextualProduct.Model.UserDefinedId
);
}
}
}
tgt.EndUpdate();
return tgt;
}
// attempting to load the shapeGeometry from the database;
//
public static WpfMeshGeometry3D GetGeometry(IIfcShapeRepresentation rep, XbimModelPositioningCollection positions, Material mat)
{
var placementTree = new XbimPlacementTree(rep.Model);
var tgt = new WpfMeshGeometry3D(mat, mat);
tgt.BeginUpdate();
var prodShapes = rep.OfProductRepresentation.OfType <IIfcProductDefinitionShape>();
foreach (var prodShape in prodShapes)
{
if (prodShape?.ShapeOfProduct == null)
{
continue;
}
foreach (var contextualProduct in prodShape?.ShapeOfProduct)
{
var trsf = placementTree[contextualProduct.ObjectPlacement.EntityLabel];
var modelTransform = positions[rep.Model].Transform;
using (var geomstore = rep.Model.GeometryStore)
using (var geomReader = geomstore.BeginRead())
{
var dispitems = rep.Items.Select(x => x.EntityLabel);
var r2 = geomReader.ShapeGeometries.Where(x => dispitems.Contains(x.IfcShapeLabel));
foreach (IXbimShapeGeometryData shapegeom in r2)
{
if (shapegeom.Format != (byte)XbimGeometryType.PolyhedronBinary)
{
continue;
}
// Debug.WriteLine($"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);
}
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);
}
/// <summary>
/// This version uses the new Geometry representation
/// </summary>
/// <param name="model"></param>
/// <param name="context"></param>
/// <param name="exclude">List of type to exclude, by default excplict openings and spaces are excluded if exclude = null</param>
/// <returns></returns>
private void BuildScene(Xbim3DModelContext context)
{
//get a list of all the unique styles
Dictionary <int, WpfMaterial> styles = new Dictionary <int, WpfMaterial>();
Dictionary <int, MeshGeometry3D> shapeGeometries = new Dictionary <int, MeshGeometry3D>();
Dictionary <int, WpfMeshGeometry3D> meshSets = new Dictionary <int, WpfMeshGeometry3D>();
Model3DGroup opaques = new Model3DGroup();
Model3DGroup transparents = new Model3DGroup();
foreach (var shapeGeom in context.ShapeGeometries())
{
MeshGeometry3D wpfMesh = new MeshGeometry3D();
wpfMesh.SetValue(TagProperty, shapeGeom); //don't read the geometry into the mesh yet as we do not know where the instance is located
shapeGeometries.Add(shapeGeom.ShapeLabel, wpfMesh);
}
foreach (var style in context.SurfaceStyles())
{
WpfMaterial wpfMaterial = new WpfMaterial();
wpfMaterial.CreateMaterial(style);
styles.Add(style.DefinedObjectId, wpfMaterial);
WpfMeshGeometry3D mg = new WpfMeshGeometry3D(wpfMaterial, wpfMaterial);
meshSets.Add(style.DefinedObjectId, mg);
if (style.IsTransparent)
{
transparents.Children.Add(mg);
}
else
{
opaques.Children.Add(mg);
}
}
////if (!styles.Any()) return ; //this should always have something unless the model is empty
////double metre = model.ModelFactors.OneMetre;
////XbimMatrix3D wcsTransform = XbimMatrix3D.CreateTranslation(_modelTranslation) * XbimMatrix3D.CreateScale((float)(1 / metre));
////foreach (var shapeInstance in context.ShapeInstances()
//// .Where(s => s.RepresentationType == XbimGeometryRepresentationType.OpeningsAndAdditionsIncluded &&
//// !typeof(IfcFeatureElement).IsAssignableFrom(IfcMetaData.GetType(s.IfcTypeId)) &&
//// !typeof(IfcSpace).IsAssignableFrom(IfcMetaData.GetType(s.IfcTypeId))))
////{
//// int styleId = shapeInstance.StyleLabel > 0 ? shapeInstance.StyleLabel : shapeInstance.IfcTypeId * -1;
//// //GET THE ACTUAL GEOMETRY
//// MeshGeometry3D wpfMesh;
//// //see if we have already read it
//// if (shapeGeometries.TryGetValue(shapeInstance.ShapeGeometryLabel, out wpfMesh))
//// {
//// GeometryModel3D mg = new GeometryModel3D(wpfMesh, styles[styleId]);
//// mg.SetValue(TagProperty, new XbimInstanceHandle(model, shapeInstance.IfcProductLabel, shapeInstance.IfcTypeId));
//// mg.BackMaterial = mg.Material;
//// mg.Transform = XbimMatrix3D.Multiply(shapeInstance.Transformation, wcsTransform).ToMatrixTransform3D();
//// if (styles[styleId].IsTransparent)
//// transparents.Children.Add(mg);
//// else
//// opaques.Children.Add(mg);
//// }
//// else //we need to get the shape geometry
//// {
//// XbimShapeGeometry shapeGeom = context.ShapeGeometry(shapeInstance.ShapeGeometryLabel);
//// if (shapeGeom.ReferenceCount > 1) //only store if we are going to use again
//// {
//// wpfMesh = new MeshGeometry3D();
//// wpfMesh.Read(shapeGeom.ShapeData);
//// shapeGeometries.Add(shapeInstance.ShapeGeometryLabel, wpfMesh);
//// GeometryModel3D mg = new GeometryModel3D(wpfMesh, styles[styleId]);
//// mg.SetValue(TagProperty, new XbimInstanceHandle(model, shapeInstance.IfcProductLabel, shapeInstance.IfcTypeId));
//// mg.BackMaterial = mg.Material;
//// mg.Transform = XbimMatrix3D.Multiply(shapeInstance.Transformation, wcsTransform).ToMatrixTransform3D();
//// if (styles[styleId].IsTransparent)
//// transparents.Children.Add(mg);
//// else
//// opaques.Children.Add(mg);
//// }
//// else //it is a one off, merge it with shapes of a similar material
//// {
//// WpfMeshGeometry3D mg = meshSets[styleId];
//// mg.Add(shapeGeom.ShapeData,
//// shapeInstance.IfcTypeId,
//// shapeInstance.IfcProductLabel,
//// shapeInstance.InstanceLabel,
//// XbimMatrix3D.Multiply(shapeInstance.Transformation, wcsTransform), 0);
//// }
//// }
////}
if (opaques.Children.Any())
{
ModelVisual3D mv = new ModelVisual3D();
mv.Content = opaques;
Opaques.Children.Add(mv);
if (_modelBounds.IsEmpty)
{
_modelBounds = mv.Content.Bounds.ToXbimRect3D();
}
else
{
_modelBounds.Union(mv.Content.Bounds.ToXbimRect3D());
}
}
if (transparents.Children.Any())
{
ModelVisual3D mv = new ModelVisual3D();
mv.Content = transparents;
Transparents.Children.Add(mv);
if (_modelBounds.IsEmpty)
{
_modelBounds = mv.Content.Bounds.ToXbimRect3D();
}
else
{
_modelBounds.Union(mv.Content.Bounds.ToXbimRect3D());
}
}
}
