public void Mirror()
{
//Revit.ElementSet elemSet = m_revitApp.ActiveUIDocument.Selection.Elements; // 2015, jeremy: 'Autodesk.Revit.UI.Selection.Selection.Elements' is obsolete: 'This property is deprecated in Revit 2015. Use GetElementIds() and SetElementIds instead.'
//if( elemSet.IsEmpty )
//{
// MessageBox.Show( "Please select elements to be mirrored" );
// return;
//}
Autodesk.Revit.DB.Document doc = m_revitApp.ActiveUIDocument.Document;
ICollection<ElementId> elemSet = m_revitApp.ActiveUIDocument.Selection.GetElementIds(); // 2016, jeremy
if( 0 == elemSet.Count )
{
MessageBox.Show( "Please select elements to be mirrored" );
return;
}
/// a map to hold original elementids and their corresponding
/// clone elements
Hashtable origAndCopy = new Hashtable();
HostObject hostObj;
Revit.LocationCurve locationCurve = null;
//Revit.ElementSetIterator elemSetIter = elemSet.ForwardIterator();
//while( elemSetIter.MoveNext() )
// first pass will create only host elements, because without them
// any hosted elements cannot be created
foreach( ElementId id in elemSet )
{
//Revit.Element elem = elemSetIter.Current as Revit.Element;
Revit.Element elem = doc.GetElement( id );
/// there are only 4 host objects, of which only wall
/// and floor can be created for now
hostObj = elem as HostObject;
if( hostObj != null )
{
Floor floor = elem as Floor;
if( floor != null )
{
// get geometry to figure out location of floor
Options options = m_revitApp.Application.Create.NewGeometryOptions();
options.DetailLevel = ViewDetailLevel.Coarse;
GeometryElement geomElem = floor.get_Geometry( options );
Solid solid = null;
foreach( GeometryObject geoObject in geomElem )
{
if( geoObject is Solid )
{
solid = geoObject as Solid;
break;
}
}
double absoluteElev = ( (Level) floor.Document.GetElement( floor.LevelId ) ).Elevation + floor.get_Parameter( BuiltInParameter.FLOOR_HEIGHTABOVELEVEL_PARAM ).AsDouble();
CurveArray curveArray = Utils.Geometry.GetProfile( solid, absoluteElev, m_revitApp.Application );
// mirror the location
CurveArray mirroredCurveArray = m_revitApp.Application.Create.NewCurveArray();
for( int i = 0; i < curveArray.Size; i++ )
{
mirroredCurveArray.Append( Utils.Geometry.Mirror( curveArray.get_Item( i ), GeomUtils.kXAxis, m_revitApp.Application ) );
}
// create the mirrored floor
Floor floorClone = m_revitApp.ActiveUIDocument.Document.Create.NewFloor( mirroredCurveArray, floor.FloorType, (Level) floor.Document.GetElement( floor.LevelId ), false );
// give mirrored floor same param values as original floor
Utils.ParamUtil.SetParameters( floorClone.Parameters, floor.Parameters );
// save the original to mirrored floor mapping
origAndCopy.Add( floor.Id.IntegerValue, floorClone );
continue;
}
Revit.Element elemClone = Utils.Elements.CloneElement( m_revitApp.Application, elem );
Revit.Location elemLocation = elemClone.Location;
if( elemLocation != null )
{
locationCurve = elemLocation as Revit.LocationCurve;
if( locationCurve != null )
{
locationCurve.Curve = Utils.Geometry.Mirror( locationCurve.Curve, GeomUtils.kXAxis, m_revitApp.Application );
}
}
// save the mapping
origAndCopy.Add( elem.Id.IntegerValue, elemClone );
}
}
//elemSetIter.Reset();
Revit.LocationPoint locationPoint = null;
// second pass will put in the family instances. If it is hosted on an element
// extract that info from the map and use it
//while( elemSetIter.MoveNext() )
foreach( ElementId id in elemSet )
{
//Revit.Element elem = elemSetIter.Current as Revit.Element;
Revit.Element elem = doc.GetElement( id );
hostObj = elem as HostObject;
if( hostObj == null )
{
FamilyInstance famInst = elem as FamilyInstance;
if( famInst != null )
{
XYZ pt = new XYZ();
// get location of familyinstance
locationPoint = famInst.Location as Revit.LocationPoint;
if( locationPoint != null )
{
// mirror the location
pt = Utils.Geometry.Mirror( locationPoint.Point, GeomUtils.kXAxis );
}
locationCurve = famInst.Location as Revit.LocationCurve;
if( locationCurve != null )
{
// mirror the location
pt = Utils.Geometry.Mirror( locationCurve.Curve.GetEndPoint( 0 ), GeomUtils.kXAxis );
}
// if family instance is hosted get it from the map
Revit.Element elemHost = null;
if( famInst.Host != null )
{
elemHost = origAndCopy[famInst.Host.Id.IntegerValue] as Revit.Element;
}
// create mirrored family instance
FamilyInstance famInstClone = m_revitApp.ActiveUIDocument.Document.Create.NewFamilyInstance( pt, famInst.Symbol, elemHost, (Level) famInst.Document.GetElement( famInst.LevelId ), famInst.StructuralType );
// give mirrored family instance same param values as original family instance
Utils.ParamUtil.SetParameters( famInstClone.Parameters, famInst.Parameters );
continue;
}
Grid grid = elem as Grid;
if( grid != null )
{
Curve curve = grid.Curve;
curve = Utils.Geometry.Mirror( curve, GeomUtils.kXAxis, m_revitApp.Application );
Line line = curve as Line;
if( line != null )
{
Grid.Create(m_revitApp.ActiveUIDocument.Document, line);
}
Arc arc = curve as Arc;
if( arc != null )
{
Grid.Create(m_revitApp.ActiveUIDocument.Document, arc );
}
continue;
}
Opening opening = elem as Opening;
if( opening != null )
{
// get host from the map
Revit.Element elemHost = null;
if( opening.Host != null )
{
elemHost = origAndCopy[opening.Host.Id.IntegerValue] as Revit.Element;
}
CurveArray curveArray = opening.BoundaryCurves;
// mirror the location
CurveArray mirroredCurveArray = m_revitApp.Application.Create.NewCurveArray();
for( int i = 0; i < curveArray.Size; i++ )
{
mirroredCurveArray.Append( Utils.Geometry.Mirror( curveArray.get_Item( i ), GeomUtils.kXAxis, m_revitApp.Application ) );
}
m_revitApp.ActiveUIDocument.Document.Create.NewOpening( elemHost, mirroredCurveArray, true );
continue;
}
// TBD: Dimension.Curve always throws an exception
//Dimension dimension = elem as Dimension;
//if (dimension != null) {
// Curve curve = dimension.Curve;
// curve = Utils.Geometry.Mirror(curve, GeomUtils.kXAxis, m_revitApp);
// Line line = curve as Line;
// if (line != null) {
// m_revitApp.ActiveUIDocument.Document.Create.NewDimension(dimension.View, line, dimension.References, dimension.DimensionType);
// }
// continue;
//}
Revit.Element elementClone = Utils.Elements.CloneElement( m_revitApp.Application, elem );
if( elementClone != null )
{
BeamSystem beamSystem = elementClone as BeamSystem;
if( beamSystem != null )
{
CurveArray curveArray = beamSystem.Profile;
// mirror the location
CurveArray mirroredCurveArray = m_revitApp.Application.Create.NewCurveArray();
for( int i = 0; i < curveArray.Size; i++ )
{
mirroredCurveArray.Append( Utils.Geometry.Mirror( curveArray.get_Item( i ), GeomUtils.kXAxis, m_revitApp.Application ) );
}
beamSystem.Profile = mirroredCurveArray;
}
ModelCurve modelCurve = elementClone as ModelCurve;
if( modelCurve != null )
{
Curve curve = modelCurve.GeometryCurve;
curve = Utils.Geometry.Mirror( curve, GeomUtils.kXAxis, m_revitApp.Application );
modelCurve.GeometryCurve = curve;
}
Revit.Location elemLocation = elementClone.Location;
if( elemLocation != null )
{
locationCurve = elemLocation as Revit.LocationCurve;
if( locationCurve != null )
{
locationCurve.Curve = Utils.Geometry.Mirror( locationCurve.Curve, GeomUtils.kXAxis, m_revitApp.Application );
}
locationPoint = elemLocation as Revit.LocationPoint;
if( locationPoint != null )
{
locationPoint.Point = Utils.Geometry.Mirror( locationPoint.Point, GeomUtils.kXAxis );
}
}
continue;
}
}
}
}
