private void CreateBoxShape(IFCImportShapeEditScope shapeEditScope, Transform scaledLcs)
{
using (IFCImportShapeEditScope.IFCContainingRepresentationSetter repSetter = new IFCImportShapeEditScope.IFCContainingRepresentationSetter(shapeEditScope, this))
{
// Get the material and graphics style based in the "Box" sub-category of Generic Models.
// We will create the sub-category if this is our first time trying to use it.
// Note that all bounding boxes are controlled by a sub-category of Generic Models. We may revisit that decision later.
// Note that we hard-wire the identifier to "Box" because older files may have bounding box items in an obsolete representation.
SolidOptions solidOptions = null;
Category bboxCategory = IFCCategoryUtil.GetSubCategoryForRepresentation(shapeEditScope.Document, Id, IFCRepresentationIdentifier.Box);
if (bboxCategory != null)
{
ElementId materialId = (bboxCategory.Material == null) ? ElementId.InvalidElementId : bboxCategory.Material.Id;
GraphicsStyle graphicsStyle = bboxCategory.GetGraphicsStyle(GraphicsStyleType.Projection);
ElementId gstyleId = (graphicsStyle == null) ? ElementId.InvalidElementId : graphicsStyle.Id;
solidOptions = new SolidOptions(materialId, gstyleId);
}
Solid bboxSolid = IFCGeometryUtil.CreateSolidFromBoundingBox(scaledLcs, BoundingBox, solidOptions);
if (bboxSolid != null)
{
IFCSolidInfo bboxSolidInfo = IFCSolidInfo.Create(Id, bboxSolid);
shapeEditScope.AddGeometry(bboxSolidInfo);
}
}
return;
}
/// <summary>
/// Create geometry for a particular representation.
/// </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>
public void CreateShape(IFCImportShapeEditScope shapeEditScope, Transform lcs, Transform scaledLcs, string guid)
{
// Special handling for Box representation. We may decide to create an IFCBoundingBox class and stop this special treatment.
if (BoundingBox != null)
{
CreateBoxShape(shapeEditScope, scaledLcs);
}
if (LayerAssignment != null)
{
LayerAssignment.Create(shapeEditScope);
}
// There is an assumption here that Process() weeded out any items that are invalid for this representation.
using (IFCImportShapeEditScope.IFCMaterialStack stack = new IFCImportShapeEditScope.IFCMaterialStack(shapeEditScope, null, LayerAssignment))
{
using (IFCImportShapeEditScope.IFCContainingRepresentationSetter repSetter = new IFCImportShapeEditScope.IFCContainingRepresentationSetter(shapeEditScope, this))
{
foreach (IFCRepresentationItem representationItem in RepresentationItems)
{
representationItem.CreateShape(shapeEditScope, lcs, scaledLcs, guid);
}
}
}
}
/// <summary>
/// Create geometry for a particular representation.
/// </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>
public void CreateShape(IFCImportShapeEditScope shapeEditScope, Transform lcs, Transform scaledLcs, string guid)
{
// We are not yet displaying Axis information, but do (potentially) need the Axis curve for generating material layer-based extrusions.
if (Identifier == IFCRepresentationIdentifier.Axis)
{
return;
}
if (LayerAssignment != null)
{
LayerAssignment.Create(shapeEditScope);
}
// There is an assumption here that Process() weeded out any items that are invalid for this representation.
using (IFCImportShapeEditScope.IFCMaterialStack stack = new IFCImportShapeEditScope.IFCMaterialStack(shapeEditScope, null, LayerAssignment))
{
using (IFCImportShapeEditScope.IFCContainingRepresentationSetter repSetter = new IFCImportShapeEditScope.IFCContainingRepresentationSetter(shapeEditScope, this))
{
foreach (IFCRepresentationItem representationItem in RepresentationItems)
{
using (IFCImportShapeEditScope.IFCTargetSetter setter =
new IFCImportShapeEditScope.IFCTargetSetter(shapeEditScope, TessellatedShapeBuilderTarget.AnyGeometry, TessellatedShapeBuilderFallback.Mesh))
{
representationItem.CreateShape(shapeEditScope, lcs, scaledLcs, guid);
}
}
}
}
}
