/// <summary>
/// Processes IfcProductRepresentation attributes.
/// </summary>
/// <param name="ifcProductRepresentation">The IfcProductRepresentation handle.</param>
protected override void Process(IFCAnyHandle ifcProductRepresentation)
{
base.Process(ifcProductRepresentation);
Name = IFCImportHandleUtil.GetOptionalStringAttribute(ifcProductRepresentation, "Name", null);
Description = IFCImportHandleUtil.GetOptionalStringAttribute(ifcProductRepresentation, "Description", null);
List <IFCAnyHandle> representations =
IFCAnyHandleUtil.GetAggregateInstanceAttribute <List <IFCAnyHandle> >(ifcProductRepresentation, "Representations");
if (representations != null)
{
foreach (IFCAnyHandle representationHnd in representations)
{
try
{
IFCRepresentation representation = IFCRepresentation.ProcessIFCRepresentation(representationHnd);
if (representation != null)
{
if (representation.RepresentationItems.Count > 0 || representation.BoundingBox != null)
{
Representations.Add(representation);
}
}
}
catch (Exception ex)
{
string msg = ex.Message;
// Ignore some specific errors.
if (msg != null)
{
if (!msg.Contains("not imported"))
{
Importer.TheLog.LogError(Id, msg, false);
}
}
}
}
}
if (IFCImportFile.TheFile.SchemaVersion >= IFCSchemaVersion.IFC2x3)
{
if (IFCAnyHandleUtil.IsSubTypeOf(ifcProductRepresentation, IFCEntityType.IfcMaterialDefinitionRepresentation))
{
IFCAnyHandle representedMaterial = IFCImportHandleUtil.GetRequiredInstanceAttribute(ifcProductRepresentation, "RepresentedMaterial", false);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(representedMaterial))
{
RepresentedMaterial = IFCMaterial.ProcessIFCMaterial(representedMaterial);
}
}
}
}
private Curve CreateTransformedCurve(Curve baseCurve, IFCRepresentation parentRep, Transform lcs)
{
Curve transformedCurve = (baseCurve != null) ? baseCurve.CreateTransformed(lcs) : null;
if (transformedCurve == null)
{
Importer.TheLog.LogWarning(Id, "couldn't create curve for " +
((parentRep == null) ? "" : parentRep.Identifier.ToString()) +
" representation.", false);
}
return(transformedCurve);
}
/// <summary>
/// Processes IfcRepresentationMap attributes.
/// </summary>
/// <param name="ifcRepresentationMap">The IfcRepresentationMap handle.</param>
protected override void Process(IFCAnyHandle ifcRepresentationMap)
{
base.Process(ifcRepresentationMap);
IFCAnyHandle mappingOrigin = IFCImportHandleUtil.GetRequiredInstanceAttribute(ifcRepresentationMap, "MappingOrigin", false);
if (mappingOrigin != null)
MappingOrigin = IFCLocation.ProcessIFCAxis2Placement(mappingOrigin);
else
MappingOrigin = Transform.Identity;
IFCAnyHandle mappedRepresentation = IFCImportHandleUtil.GetRequiredInstanceAttribute(ifcRepresentationMap, "MappedRepresentation", false);
if (mappedRepresentation != null)
MappedRepresentation = IFCRepresentation.ProcessIFCRepresentation(mappedRepresentation);
}
/// <summary>
/// Create geometry for a particular representation item, and add to scope.
/// </summary>
/// <param name="shapeEditScope">The geometry creation scope.</param>
/// <param name="lcs">Local coordinate system for the geometry, without scale.</param>
/// <param name="scaledLcs">Local coordinate system for the geometry, including scale, potentially non-uniform.</param>
/// <param name="guid">The guid of an element for which represntation is being created.</param>
protected override void CreateShapeInternal(IFCImportShapeEditScope shapeEditScope, Transform lcs, Transform scaledLcs, string guid)
{
// Reject Axis curves - not yet supported.
IFCRepresentation parentRep = shapeEditScope.ContainingRepresentation;
IFCRepresentationIdentifier repId = (parentRep == null) ? IFCRepresentationIdentifier.Unhandled : parentRep.Identifier;
bool createModelGeometry = (repId == IFCRepresentationIdentifier.Axis);
if (createModelGeometry)
{
Importer.TheLog.LogWarning(Id, "Can't process Axis representation, ignoring.", true);
return;
}
base.CreateShapeInternal(shapeEditScope, lcs, scaledLcs, guid);
IList <Curve> transformedCurves = new List <Curve>();
if (Curve != null)
{
Curve transformedCurve = CreateTransformedCurve(Curve, parentRep, lcs);
if (transformedCurve != null)
{
transformedCurves.Add(transformedCurve);
}
}
else if (CurveLoop != null)
{
foreach (Curve curve in CurveLoop)
{
Curve transformedCurve = CreateTransformedCurve(curve, parentRep, lcs);
if (transformedCurve != null)
{
transformedCurves.Add(transformedCurve);
}
}
}
// TODO: set graphics style for footprint curves.
ElementId gstyleId = ElementId.InvalidElementId;
foreach (Curve curve in transformedCurves)
{
// Default: assume a plan view curve.
shapeEditScope.AddFootprintCurve(curve);
}
}
/// <summary>
/// Gets the IFCSurfaceStyle, if available, for an associated material.
/// TODO: Make this generic, add warnings.
/// </summary>
/// <returns>The IFCSurfaceStyle.</returns>
public IFCSurfaceStyle GetSurfaceStyle()
{
IList <IFCRepresentation> representations = Representations;
if (representations != null && representations.Count > 0)
{
IFCRepresentation representation = representations[0];
IList <IFCRepresentationItem> representationItems = representation.RepresentationItems;
if (representationItems != null && representationItems.Count > 0 && (representationItems[0] is IFCStyledItem))
{
IFCStyledItem styledItem = representationItems[0] as IFCStyledItem;
return(styledItem.GetSurfaceStyle());
}
}
return(null);
}
/// <summary>
/// Processes IfcRepresentationMap attributes.
/// </summary>
/// <param name="ifcRepresentationMap">The IfcRepresentationMap handle.</param>
protected override void Process(IFCAnyHandle ifcRepresentationMap)
{
base.Process(ifcRepresentationMap);
IFCAnyHandle mappingOrigin = IFCImportHandleUtil.GetRequiredInstanceAttribute(ifcRepresentationMap, "MappingOrigin", false);
if (mappingOrigin != null)
{
MappingOrigin = IFCLocation.ProcessIFCAxis2Placement(mappingOrigin);
}
else
{
MappingOrigin = Transform.Identity;
}
IFCAnyHandle mappedRepresentation = IFCImportHandleUtil.GetRequiredInstanceAttribute(ifcRepresentationMap, "MappedRepresentation", false);
if (mappedRepresentation != null)
{
MappedRepresentation = IFCRepresentation.ProcessIFCRepresentation(mappedRepresentation);
}
}
private Curve CreateTransformedCurve(Curve baseCurve, IFCRepresentation parentRep, Transform lcs)
{
Curve transformedCurve = (baseCurve != null) ? baseCurve.CreateTransformed(lcs) : null;
if (transformedCurve == null)
{
Importer.TheLog.LogWarning(Id, "couldn't create curve for " +
((parentRep == null) ? "" : parentRep.Identifier.ToString()) +
" representation.", false);
}
return transformedCurve;
}
/// <summary>
/// The constructor.
/// </summary>
/// <param name="scope">The associated shape edit scope.</param>
/// <param name="item">The current styled item.</param>
public IFCContainingRepresentationSetter(IFCImportShapeEditScope scope, IFCRepresentation containingRepresentation)
{
if (scope != null)
{
m_Scope = scope;
m_OldRepresentation = scope.ContainingRepresentation;
scope.ContainingRepresentation = containingRepresentation;
}
}
/// <summary>
/// Create geometry for a particular representation item, and add to scope.
/// </summary>
/// <param name="shapeEditScope">The geometry creation scope.</param>
/// <param name="lcs">Local coordinate system for the geometry, without scale.</param>
/// <param name="scaledLcs">Local coordinate system for the geometry, including scale, potentially non-uniform.</param>
/// <param name="guid">The guid of an element for which represntation is being created.</param>
protected override void CreateShapeInternal(IFCImportShapeEditScope shapeEditScope, Transform lcs, Transform scaledLcs, string guid)
{
base.CreateShapeInternal(shapeEditScope, lcs, scaledLcs, guid);
IFCRepresentation parentRep = shapeEditScope.ContainingRepresentation;
IList <Curve> transformedCurves = new List <Curve>();
if (Curve != null)
{
Curve transformedCurve = CreateTransformedCurve(Curve, parentRep, lcs);
if (transformedCurve != null)
{
transformedCurves.Add(transformedCurve);
}
}
else if (CurveLoop != null)
{
foreach (Curve curve in CurveLoop)
{
Curve transformedCurve = CreateTransformedCurve(curve, parentRep, lcs);
if (transformedCurve != null)
{
transformedCurves.Add(transformedCurve);
}
}
}
// TODO: set graphics style for footprint curves.
IFCRepresentationIdentifier repId = (parentRep == null) ? IFCRepresentationIdentifier.Unhandled : parentRep.Identifier;
bool createModelGeometry = (repId == IFCRepresentationIdentifier.Body) || (repId == IFCRepresentationIdentifier.Axis) || (repId == IFCRepresentationIdentifier.Unhandled);
ElementId gstyleId = ElementId.InvalidElementId;
if (createModelGeometry)
{
Category curveCategory = IFCCategoryUtil.GetSubCategoryForRepresentation(shapeEditScope.Document, Id, parentRep.Identifier);
if (curveCategory != null)
{
GraphicsStyle graphicsStyle = curveCategory.GetGraphicsStyle(GraphicsStyleType.Projection);
if (graphicsStyle != null)
{
gstyleId = graphicsStyle.Id;
}
}
}
foreach (Curve curve in transformedCurves)
{
if (createModelGeometry)
{
curve.SetGraphicsStyleId(gstyleId);
shapeEditScope.AddGeometry(IFCSolidInfo.Create(Id, curve));
}
else
{
// Default: assume a plan view curve.
shapeEditScope.AddFootprintCurve(curve);
}
}
}
