/// <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>
/// Get or create the sub-category for a representation other than the body representation for a particular category.
/// </summary>
/// <param name="doc">The doument.</param>
/// <param name="entityId">The entity id.</param>
/// <param name="repId">The representation identifier.</param>
/// <param name="category">The top-level category id for the element.</param>
/// <returns>The sub-category. This allows shapes to have their visibility controlled by the sub-category.</param></returns>
public static Category GetSubCategoryForRepresentation(Document doc, int entityId, IFCRepresentationIdentifier repId)
{
if (repId == IFCRepresentationIdentifier.Body || repId == IFCRepresentationIdentifier.Unhandled)
throw new InvalidOperationException("Incorrect IFCRepresentationIdentifier: " + repId.ToString());
Category category = Importer.TheCache.GenericModelsCategory;
if (category == null)
return null;
string subCategoryName = repId.ToString();
Category subCategory = GetOrCreateSubcategory(doc, entityId, subCategoryName);
return subCategory;
}
/// <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);
}
}
}