/// <summary>
/// Create geometry for a particular representation item.
/// </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);
IList<GeometryObject> csgGeometries = CreateGeometryInternal(shapeEditScope, lcs, scaledLcs, guid);
if (csgGeometries != null)
{
foreach (GeometryObject csgGeometry in csgGeometries)
{
shapeEditScope.AddGeometry(IFCSolidInfo.Create(Id, csgGeometry));
}
}
}
/// <summary>
/// Create geometry for a particular representation item.
/// </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);
// Ignoring Inner shells for now.
if (Shells.Count != 0)
{
// This isn't an inherited function; see description for more details.
IList<GeometryObject> createdGeometries = CreateGeometry(shapeEditScope, lcs, scaledLcs, guid);
if (createdGeometries != null)
{
foreach (GeometryObject createdGeometry in createdGeometries)
{
shapeEditScope.AddGeometry(IFCSolidInfo.Create(Id, createdGeometry));
}
}
}
}
/// <summary>
/// Create geometry for a particular representation item.
/// </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, scaledLcs, lcs, guid);
// Ignoring Inner shells for now.
if (Outer != null)
{
try
{
IList<GeometryObject> solids = CreateGeometry(shapeEditScope, scaledLcs, lcs, guid);
if (solids != null)
{
foreach (GeometryObject solid in solids)
{
shapeEditScope.AddGeometry(IFCSolidInfo.Create(Id, solid));
}
}
else
Importer.TheLog.LogError(Outer.Id, "cannot create valid solid, ignoring.", false);
}
catch (Exception ex)
{
Importer.TheLog.LogError(Outer.Id, ex.Message, false);
}
}
}
/// <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.Axis);
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);
}
}
}
/// <summary>
/// Create geometry for a particular representation item.
/// </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);
// Check scale; if it is uniform, create an instance. If not, create a shape directly.
// TODO: Instead allow creation of instances based on similar scaling.
double scaleX = MappingTarget.Scale;
double scaleY = MappingTarget.ScaleY.HasValue ? MappingTarget.ScaleY.Value : scaleX;
double scaleZ = MappingTarget.ScaleZ.HasValue ? MappingTarget.ScaleZ.Value : scaleX;
bool isUnitScale = (MathUtil.IsAlmostEqual(scaleX, 1.0) &&
MathUtil.IsAlmostEqual(scaleY, 1.0) &&
MathUtil.IsAlmostEqual(scaleZ, 1.0));
Transform mappingTransform = MappingTarget.Transform;
Transform newLcs = null;
if (lcs == null)
newLcs = mappingTransform;
else if (mappingTransform == null)
newLcs = lcs;
else
newLcs = lcs.Multiply(mappingTransform);
Transform newScaledLcs = null;
if (scaledLcs == null)
newScaledLcs = mappingTransform;
else if (mappingTransform == null)
newScaledLcs = scaledLcs;
else
newScaledLcs = scaledLcs.Multiply(mappingTransform);
// Pass in newLCS = null, use newLCS for instance.
bool isFootprint = (shapeEditScope.ContainingRepresentation.Identifier == IFCRepresentationIdentifier.FootPrint);
bool canCreateType = (newLcs != null && newLcs.IsConformal) &&
(newScaledLcs != null && newScaledLcs.IsConformal) &&
isUnitScale &&
(shapeEditScope.ContainingRepresentation != null && !isFootprint);
if (canCreateType)
{
MappingSource.CreateShape(shapeEditScope, null, null, guid);
IList<GeometryObject> instances = DirectShape.CreateGeometryInstance(shapeEditScope.Document, MappingSource.Id.ToString(), newLcs);
foreach (GeometryObject instance in instances)
shapeEditScope.AddGeometry(IFCSolidInfo.Create(Id, instance));
}
else
{
if (!isUnitScale)
{
XYZ xScale = new XYZ(scaleX, 0.0, 0.0);
XYZ yScale = new XYZ(0.0, scaleY, 0.0);
XYZ zScale = new XYZ(0.0, 0.0, scaleZ);
Transform scaleTransform = Transform.Identity;
scaleTransform.set_Basis(0, xScale);
scaleTransform.set_Basis(1, yScale);
scaleTransform.set_Basis(2, zScale);
newScaledLcs = newScaledLcs.Multiply(scaleTransform);
}
MappingSource.CreateShape(shapeEditScope, newLcs, newScaledLcs, guid);
}
}
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.
SolidOptions solidOptions = null;
Category bboxCategory = IFCCategoryUtil.GetSubCategoryForRepresentation(shapeEditScope.Document, Id, Identifier);
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;
}
protected override void CreateShapeInternal(IFCImportShapeEditScope shapeEditScope, Transform lcs, Transform scaledLcs, string guid)
{
using (BuilderScope bs = shapeEditScope.InitializeBuilder(IFCShapeBuilderType.TessellatedShapeBuilder))
{
base.CreateShapeInternal(shapeEditScope, lcs, scaledLcs, guid);
TessellatedShapeBuilderScope tsBuilderScope = bs as TessellatedShapeBuilderScope;
tsBuilderScope.StartCollectingFaceSet();
// Create triangle face set from CoordIndex. We do not support the Normals yet at this point
foreach (List<int> triIndex in CoordIndex)
{
// This is a defensive check in an unlikely situation that the index is larger than the data
if (triIndex[0] > Coordinates.CoordList.Count || triIndex[1] > Coordinates.CoordList.Count || triIndex[2] > Coordinates.CoordList.Count)
{
continue;
}
tsBuilderScope.StartCollectingFace(GetMaterialElementId(shapeEditScope));
IList<XYZ> loopVertices = new List<XYZ>();
IList<double> v1 = Coordinates.CoordList[triIndex[0] - 1];
IList<double> v2 = Coordinates.CoordList[triIndex[1] - 1];
IList<double> v3 = Coordinates.CoordList[triIndex[2] - 1];
loopVertices.Add(new XYZ(v1[0], v1[1], v1[2]));
loopVertices.Add(new XYZ(v2[0], v2[1], v2[2]));
loopVertices.Add(new XYZ(v3[0], v3[1], v3[2]));
IList<XYZ> transformedVertices = new List<XYZ>();
foreach (XYZ vertex in loopVertices)
{
// Need to apply the project unit scaling here
XYZ scaledVertex = applyProjectUnitScaleVertex(vertex);
transformedVertices.Add(scaledLcs.OfPoint(scaledVertex));
}
// Check triangle that is too narrow (2 vertices are within the tolerance
IList<XYZ> validVertices;
IFCGeometryUtil.CheckAnyDistanceVerticesWithinTolerance(Id, shapeEditScope, transformedVertices, out validVertices);
// We are going to catch any exceptions if the loop is invalid.
// We are going to hope that we can heal the parent object in the TessellatedShapeBuilder.
bool bPotentiallyAbortFace = false;
int count = validVertices.Count;
if (validVertices.Count < 3)
{
Importer.TheLog.LogComment(Id, "Too few distinct loop vertices (" + count + "), ignoring.", false);
bPotentiallyAbortFace = true;
}
else
{
if (!tsBuilderScope.AddLoopVertices(Id, validVertices))
bPotentiallyAbortFace = true;
}
if (bPotentiallyAbortFace)
tsBuilderScope.AbortCurrentFace();
else
tsBuilderScope.StopCollectingFace();
}
IList<GeometryObject> createdGeometries = tsBuilderScope.CreateGeometry(guid);
if (createdGeometries != null)
{
foreach (GeometryObject createdGeometry in createdGeometries)
{
shapeEditScope.AddGeometry(IFCSolidInfo.Create(Id, createdGeometry));
}
}
}
}
