/// <summary>
/// Create a simplified copy of a IFCFeatureElement, intended explicitly for the purpose of voiding a particular IFCElement.
/// </summary>
/// <param name="original">The IFCFeatureElement we are partially copying.</param>
/// <param name="parentEntity">The IFCElement we are voiding.</param>
/// <returns>A new IFCFeatureElement that is a minimal copy of original with influence by parentEntity.</returns>
public static IFCFeatureElement CreateOpeningClone(IFCFeatureElement original, IFCElement parentEntity)
{
IFCFeatureElement clone = new IFCFeatureElement();
// Note that the GlobalId is left to null here; this allows us to later decide not to create a DirectShape for the result.
// Get the ObjectLocation and ProductRepresentation from the original entity, which is all we need to create geometry.
clone.ObjectLocation = original.ObjectLocation;
clone.ProductRepresentation = original.ProductRepresentation;
// Get the EntityType and ShapeType from the parent to ensure that it "matches" the category and graphics style of the parent.
clone.EntityType = parentEntity.EntityType;
clone.ShapeType = parentEntity.ShapeType;
// Copy the material of the parent entity to try to match the color of the opening faces.
// This will work nicely if the parent entity is one material.
IFCMaterial parentMaterial = parentEntity.GetTheMaterial();
if (parentMaterial != null)
{
clone.MaterialSelect = parentMaterial;
}
return(clone);
}
/// <summary>
/// Processes an IfcElement object.
/// </summary>
/// <param name="ifcElement">The IfcElement handle.</param>
/// <returns>The IFCElement object.</returns>
public static IFCElement ProcessIFCElement(IFCAnyHandle ifcElement)
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(ifcElement))
{
IFCImportFile.TheLog.LogNullError(IFCEntityType.IfcElement);
return(null);
}
IFCEntity cachedIFCElement;
IFCImportFile.TheFile.EntityMap.TryGetValue(ifcElement.StepId, out cachedIFCElement);
if (cachedIFCElement != null)
{
return(cachedIFCElement as IFCElement);
}
IFCElement newIFCElement = null;
// other subclasses not handled yet!
if (IFCAnyHandleUtil.IsSubTypeOf(ifcElement, IFCEntityType.IfcFeatureElement))
{
newIFCElement = IFCFeatureElement.ProcessIFCFeatureElement(ifcElement);
}
else
{
newIFCElement = new IFCElement(ifcElement);
}
return(newIFCElement);
}
/// <summary>
/// Creates or populates Revit elements based on the information contained in this class.
/// </summary>
/// <param name="doc">The document.</param>
protected override void Create(Document doc)
{
foreach (IFCFeatureElement opening in Openings)
{
try
{
// Create the actual Revit element based on the IFCFeatureElement here.
CreateElement(doc, opening);
// This gets around the issue that the Boolean operation between the void(s) in the IFCFeatureElement and
// the solid(s) in the IFCElement may use the Graphics Style of the voids in the resulting Solid(s), meaning
// that some faces may disappear when we turn off the visibility of IfcOpeningElements.
IFCFeatureElement openingClone = IFCFeatureElement.CreateOpeningClone(opening, this);
CreateElement(doc, openingClone);
foreach (IFCSolidInfo voidGeom in openingClone.Solids)
{
Voids.Add(voidGeom);
}
}
catch (Exception ex)
{
IFCImportFile.TheLog.LogError(opening.Id, ex.Message, false);
}
}
base.Create(doc);
}
/// <summary>
/// Processes an IfcElement object.
/// </summary>
/// <param name="ifcElement">The IfcElement handle.</param>
/// <returns>The IFCElement object.</returns>
public static IFCElement ProcessIFCElement(IFCAnyHandle ifcElement)
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(ifcElement))
{
Importer.TheLog.LogNullError(IFCEntityType.IfcElement);
return(null);
}
try
{
IFCEntity cachedIFCElement;
IFCImportFile.TheFile.EntityMap.TryGetValue(ifcElement.StepId, out cachedIFCElement);
if (cachedIFCElement != null)
{
return(cachedIFCElement as IFCElement);
}
// other subclasses not handled yet.
if (IFCAnyHandleUtil.IsValidSubTypeOf(ifcElement, IFCEntityType.IfcBuildingElement))
{
return(IFCBuildingElement.ProcessIFCBuildingElement(ifcElement));
}
if (IFCAnyHandleUtil.IsValidSubTypeOf(ifcElement, IFCEntityType.IfcFeatureElement))
{
return(IFCFeatureElement.ProcessIFCFeatureElement(ifcElement));
}
if (IFCAnyHandleUtil.IsValidSubTypeOf(ifcElement, IFCEntityType.IfcElementAssembly))
{
return(IFCElementAssembly.ProcessIFCElementAssembly(ifcElement));
}
if (IFCAnyHandleUtil.IsValidSubTypeOf(ifcElement, IFCEntityType.IfcElementComponent))
{
return(IFCElementComponent.ProcessIFCElementComponent(ifcElement));
}
return(new IFCElement(ifcElement));
}
catch (Exception ex)
{
HandleError(ex.Message, ifcElement, true);
return(null);
}
}
/// <summary>
/// Create a simplified copy of a IFCFeatureElement, intended explicitly for the purpose of voiding a particular IFCElement.
/// </summary>
/// <param name="original">The IFCFeatureElement we are partially copying.</param>
/// <param name="parentEntity">The IFCElement we are voiding.</param>
/// <returns>A new IFCFeatureElement that is a minimal copy of original with influence by parentEntity.</returns>
public static IFCFeatureElement CreateOpeningClone(IFCFeatureElement original, IFCElement parentEntity)
{
IFCFeatureElement clone = new IFCFeatureElement();
// Note that the GlobalId is left to null here; this allows us to later decide not to create a DirectShape for the result.
// Get the ObjectLocation and ProductRepresentation from the original entity, which is all we need to create geometry.
clone.ObjectLocation = original.ObjectLocation;
clone.ProductRepresentation = original.ProductRepresentation;
// Get the EntityType and ShapeType from the parent to ensure that it "matches" the category and graphics style of the parent.
clone.EntityType = parentEntity.EntityType;
clone.ShapeType = parentEntity.ShapeType;
// Copy the material of the parent entity to try to match the color of the opening faces.
// This will work nicely if the parent entity is one material.
IFCMaterial parentMaterial = parentEntity.GetTheMaterial();
if (parentMaterial != null)
clone.MaterialSelect = parentMaterial;
return clone;
}