/// <summary>
/// Reverses curve loop.
/// </summary>
/// <param name="curveloop">
/// The curveloop.
/// </param>
/// <returns>
/// The reversed curve loop.
/// </returns>
public static CurveLoop ReverseOrientation(CurveLoop curveloop)
{
CurveLoop copyOfCurveLoop = CurveLoop.CreateViaCopy(curveloop);
copyOfCurveLoop.Flip();
return(copyOfCurveLoop);
}
/// <summary>
/// Copies the crop region and rotation of one view and applies it to another. Useful for creating views with identical cropping at different levels in a project.
/// </summary>
/// <param name="source">The source view.</param>
/// <param name="target">The target view.</param>
/// <returns></returns>
public static Revit.Elements.Views.View CopyCrop(Revit.Elements.Views.View source, Revit.Elements.Views.View target)
{
var doc = DocumentManager.Instance.CurrentDBDocument;
var iSourceView = source.InternalElement as Autodesk.Revit.DB.View;
var iTargetView = target.InternalElement as Autodesk.Revit.DB.View;
var sourceCropRegion = GetViewCrop(iSourceView).cropRegion;
TransactionManager.Instance.EnsureInTransaction(doc);
SetRotation(target, GetRotation(source));
iTargetView.CropBoxVisible = true;
iTargetView.GetCropRegionShapeManager().SetCropShape(CurveLoop.CreateViaCopy(sourceCropRegion));
// SUPER IMPORTANT TO REGENERATE THE DOCUMENT AFTER THE WORK IS DONE!
DocumentManager.Regenerate();
TransactionManager.Instance.TransactionTaskDone();
return(target);
}
/// <summary>
/// Return geometry for a particular representation item.
/// </summary>
/// <param name="shapeEditScope">The shape edit scope.</param>
/// <param name="lcs">Local coordinate system for the geometry.</param>
/// <param name="guid">The guid of an element for which represntation is being created.</param>
/// <returns>One or more created geometries.</returns>
/// <remarks>The scaledLcs is only partially supported in this routine; it allows scaling the depth of the extrusion,
/// which is commonly found in ACA files.</remarks>
protected override IList <GeometryObject> CreateGeometryInternal(
IFCImportShapeEditScope shapeEditScope, Transform lcs, Transform scaledLcs, string guid)
{
if (Direction == null)
{
Importer.TheLog.LogError(Id, "Error processing IfcExtrudedAreaSolid, can't create geometry.", false);
return(null);
}
Transform origLCS = (lcs == null) ? Transform.Identity : lcs;
Transform origScaledLCS = (scaledLcs == null) ? Transform.Identity : scaledLcs;
Transform unscaledExtrusionPosition = (Position == null) ? origLCS : origLCS.Multiply(Position);
Transform scaledExtrusionPosition = (Position == null) ? origScaledLCS : origScaledLCS.Multiply(Position);
XYZ scaledExtrusionDirection = scaledExtrusionPosition.OfVector(Direction);
ISet <IList <CurveLoop> > disjointLoops = GetTransformedCurveLoops(unscaledExtrusionPosition, scaledExtrusionPosition);
if (disjointLoops == null || disjointLoops.Count() == 0)
{
return(null);
}
IList <GeometryObject> extrusions = new List <GeometryObject>();
foreach (IList <CurveLoop> originalLoops in disjointLoops)
{
SolidOptions solidOptions = new SolidOptions(GetMaterialElementId(shapeEditScope), shapeEditScope.GraphicsStyleId);
XYZ scaledDirection = scaledExtrusionPosition.OfVector(Direction);
double currDepth = Depth * scaledDirection.GetLength();
IList <CurveLoop> loops = new List <CurveLoop>();
foreach (CurveLoop originalLoop in originalLoops)
{
if (!originalLoop.IsOpen())
{
loops.Add(originalLoop);
continue;
}
if (originalLoop.Count() > 0)
{
try
{
// We will attempt to close the loop to make it usable.
XYZ startPoint = originalLoop.First().GetEndPoint(0);
XYZ endPoint = originalLoop.Last().GetEndPoint(1);
Line closingLine = Line.CreateBound(endPoint, startPoint);
CurveLoop healedCurveLoop = CurveLoop.CreateViaCopy(originalLoop);
healedCurveLoop.Append(closingLine);
loops.Add(healedCurveLoop);
Importer.TheLog.LogWarning(Id, "Extrusion has an open profile loop, fixing.", false);
continue;
}
catch
{
}
}
Importer.TheLog.LogError(Id, "Extrusion has an open profile loop, ignoring.", false);
}
if (loops.Count == 0)
{
continue;
}
GeometryObject extrusionObject = null;
try
{
// We may try to create separate extrusions, one per layer here.
bool shouldWarn = false;
ElementId overrideMaterialId = ElementId.InvalidElementId;
if (shapeEditScope.Creator.MaterialSelect != null)
{
if (shapeEditScope.Creator.MaterialSelect is IFCMaterialLayerSetUsage)
{
IList <GeometryObject> extrusionLayers = CreateGeometryFromMaterialLayerUsage(shapeEditScope, scaledExtrusionPosition, loops,
scaledExtrusionDirection, currDepth, out overrideMaterialId, out shouldWarn);
if (extrusionLayers == null || extrusionLayers.Count == 0)
{
if (shouldWarn)
{
Importer.TheLog.LogWarning(Id, "Couldn't process associated IfcMaterialLayerSetUsage, using body geometry instead.", false);
}
if (overrideMaterialId != ElementId.InvalidElementId)
{
solidOptions.MaterialId = overrideMaterialId;
}
extrusionObject = GeometryCreationUtilities.CreateExtrusionGeometry(loops, scaledExtrusionDirection, currDepth, solidOptions);
}
else
{
foreach (GeometryObject extrusionLayer in extrusionLayers)
{
extrusions.Add(extrusionLayer);
}
}
}
else if (shapeEditScope.Creator.MaterialSelect is IFCMaterialProfileSetUsage)
{
extrusionObject = CreateGeometryFromMaterialProfile(shapeEditScope, loops, scaledExtrusionDirection, currDepth, solidOptions, out shouldWarn);
if (extrusionObject == null)
{
extrusionObject = GeometryCreationUtilities.CreateExtrusionGeometry(loops, scaledExtrusionDirection, currDepth, solidOptions);
}
}
else
{
extrusionObject = GeometryCreationUtilities.CreateExtrusionGeometry(loops, scaledExtrusionDirection, currDepth, solidOptions);
}
}
else
{
extrusionObject = GeometryCreationUtilities.CreateExtrusionGeometry(loops, scaledExtrusionDirection, currDepth, solidOptions);
}
}
catch (Exception ex)
{
extrusionObject = GetMeshBackup(shapeEditScope, loops, scaledExtrusionDirection, currDepth);
if (extrusionObject == null)
{
throw ex;
}
}
if (extrusionObject != null)
{
if (!(extrusionObject is Solid) || IFCGeometryUtil.ValidateGeometry(extrusionObject as Solid))
{
extrusions.Add(extrusionObject);
}
else
{
Mesh meshBackup = GetMeshBackup(shapeEditScope, loops, scaledExtrusionDirection, currDepth);
if (meshBackup != null)
{
extrusions.Add(meshBackup);
}
}
}
}
return(extrusions);
}
