public static IEnumerable <Surface> ToProtoType(this Autodesk.Revit.DB.Face revitFace,
bool performHostUnitConversion = true, Reference referenceOverride = null)
{
if (revitFace == null)
{
throw new ArgumentNullException("revitFace");
}
var revitEdgeLoops = EdgeLoopPartition.GetAllEdgeLoopsFromRevitFace(revitFace);
var partitionedRevitEdgeLoops = EdgeLoopPartition.ByEdgeLoopsAndFace(revitFace, revitEdgeLoops);
var listSurface = new List <Surface>();
foreach (var edgeloopPartition in partitionedRevitEdgeLoops)
{
// convert the trimming curves
var edgeLoops = EdgeLoopsAsPolyCurves(revitFace, edgeloopPartition);
// convert the underrlying surface
var dyFace = (dynamic)revitFace;
Surface untrimmedSrf = SurfaceExtractor.ExtractSurface(dyFace, edgeLoops);
if (untrimmedSrf == null)
{
edgeLoops.ForEach(x => x.Dispose());
edgeLoops.Clear();
throw new Exception("Failed to extract surface");
}
// trim the surface
Surface converted;
try
{
converted = untrimmedSrf.TrimWithEdgeLoops(edgeLoops);
}
catch (Exception e)
{
edgeLoops.ForEach(x => x.Dispose());
edgeLoops.Clear();
untrimmedSrf.Dispose();
throw e;
}
edgeLoops.ForEach(x => x.Dispose());
edgeLoops.Clear();
untrimmedSrf.Dispose();
// perform unit conversion if necessary
if (performHostUnitConversion)
{
UnitConverter.ConvertToDynamoUnits(ref converted);
}
// if possible, apply revit reference
var revitRef = referenceOverride ?? revitFace.Reference;
if (revitRef != null)
{
converted = ElementFaceReference.AddTag(converted, revitRef);
}
listSurface.Add(converted);
}
return(listSurface);
}
public static Dictionary <string, Autodesk.DesignScript.Geometry.Curve[]> OffsetPerimeterCurves(this Autodesk.DesignScript.Geometry.Surface surface, double offset)
{
List <Autodesk.DesignScript.Geometry.Curve> srfPerimCrvs = surface.PerimeterCurves().ToList();
Autodesk.DesignScript.Geometry.PolyCurve plyCrv = Autodesk.DesignScript.Geometry.PolyCurve.ByJoinedCurves(srfPerimCrvs);
double inOffset;
double outOffset;
if (offset < 0)
{
inOffset = offset;
outOffset = -offset;
}
else
{
inOffset = -offset;
outOffset = offset;
}
Autodesk.DesignScript.Geometry.Curve[] inPerimCrvs;
try
{
List <Autodesk.DesignScript.Geometry.Curve> inOffsetCrv = new List <Autodesk.DesignScript.Geometry.Curve>()
{
(plyCrv.Offset(inOffset))
};
Autodesk.DesignScript.Geometry.PolyCurve inOffsetPolyCrv = Autodesk.DesignScript.Geometry.PolyCurve.ByJoinedCurves(inOffsetCrv);
List <Autodesk.DesignScript.Geometry.Curve> inOffsetCrvList = inOffsetPolyCrv.Curves().ToList();
List <Autodesk.DesignScript.Geometry.Point> inPts = new List <Autodesk.DesignScript.Geometry.Point>();
foreach (Autodesk.DesignScript.Geometry.Curve c in inOffsetCrvList)
{
inPts.Add(c.StartPoint);
}
Autodesk.DesignScript.Geometry.PolyCurve inOffsetPolyCrv2 = PolyCurve.ByPoints(inPts, true);
Autodesk.DesignScript.Geometry.Surface inOffsetSrf = Autodesk.DesignScript.Geometry.Surface.ByPatch(inOffsetPolyCrv2);
inPerimCrvs = inOffsetSrf.PerimeterCurves();
inOffsetSrf.Dispose();
inOffsetPolyCrv.Dispose();
inOffsetPolyCrv2.Dispose();
}
catch (Exception)
{
inPerimCrvs = null;
}
Autodesk.DesignScript.Geometry.Curve[] outPerimCrvs;
try
{
List <Autodesk.DesignScript.Geometry.Curve> outOffsetCrv = new List <Autodesk.DesignScript.Geometry.Curve>()
{
(plyCrv.Offset(outOffset))
};
Autodesk.DesignScript.Geometry.PolyCurve outOffsetPolyCrv = Autodesk.DesignScript.Geometry.PolyCurve.ByJoinedCurves(outOffsetCrv);
List <Autodesk.DesignScript.Geometry.Curve> outOffsetCrvList = outOffsetPolyCrv.Curves().ToList();
List <Autodesk.DesignScript.Geometry.Point> outPts = new List <Autodesk.DesignScript.Geometry.Point>();
foreach (Autodesk.DesignScript.Geometry.Curve c in outOffsetCrvList)
{
outPts.Add(c.StartPoint);
}
Autodesk.DesignScript.Geometry.PolyCurve outOffsetPolyCrv2 = PolyCurve.ByPoints(outPts, true);
Autodesk.DesignScript.Geometry.Surface outOffsetSrf = Autodesk.DesignScript.Geometry.Surface.ByPatch(outOffsetPolyCrv2);
outPerimCrvs = outOffsetSrf.PerimeterCurves();
outOffsetSrf.Dispose();
outOffsetPolyCrv.Dispose();
outOffsetPolyCrv2.Dispose();
}
catch (Exception)
{
outPerimCrvs = null;
}
Dictionary <string, Autodesk.DesignScript.Geometry.Curve[]> newOutput;
newOutput = new Dictionary <string, Autodesk.DesignScript.Geometry.Curve[]>
{
{ "insetCrvs", inPerimCrvs },
{ "outsetCrvs", outPerimCrvs }
};
//Dispose all redundant geometry
plyCrv.Dispose();
foreach (Autodesk.DesignScript.Geometry.Curve c in srfPerimCrvs)
{
c.Dispose();
}
return(newOutput);
}
