/// <summary>
/// Return a grid of points in the room
/// </summary>
/// <param name="step">Lenght between two points</param>
public List <Point> Grid(double step)
{
step = UnitConverter.DynamoToHostFactor(DB.UnitType.UT_Length) * step;
List <Point> grid = new List <Point>();
DB.BoundingBoxXYZ bb = InternalElement.get_BoundingBox(null);
for (double x = bb.Min.X; x < bb.Max.X;)
{
for (double y = bb.Min.Y; y < bb.Max.Y;)
{
DB.XYZ point = new DB.XYZ(x, y, bb.Min.Z);
if (InternalRoom.IsPointInRoom(point))
{
grid.Add(GeometryPrimitiveConverter.ToPoint(InternalTransform.OfPoint(point)));
}
y = y + step;
}
x = x + step;
}
return(grid);
}
public override Value Evaluate(FSharpList <Value> args)
{
if (_reference.ElementReferenceType != ElementReferenceType.REFERENCE_TYPE_SURFACE &&
_reference.ElementReferenceType != ElementReferenceType.REFERENCE_TYPE_LINEAR)
{
ElementId refElementId = _reference.ElementId;
Element refElement = dynRevitSettings.Doc.Document.GetElement(refElementId);
if (refElement is ReferencePoint)
{
ReferencePoint rp = refElement as ReferencePoint;
XYZ rpXYZ = rp.Position;
return(Value.NewContainer(rpXYZ));
}
GeometryObject thisObjectPoint = SelectedElement.GetGeometryObjectFromReference(_reference);
if (!(thisObjectPoint is Autodesk.Revit.DB.Point))
{
throw new Exception("Could not use face or edge which is not part of the model");
}
var thisPoint = thisObjectPoint as Autodesk.Revit.DB.Point;
XYZ pointXYZ = thisPoint.Coord;
return(Value.NewContainer(pointXYZ));
}
GeometryObject thisObject = SelectedElement.GetGeometryObjectFromReference(_reference);
Autodesk.Revit.DB.Transform thisTrf = null;
if (_init && (old_refXyz == null || !_reference.Equals(old_refXyz)))
{
_init = false;
}
{
GeometryObject geomObj =
SelectedElement.get_Geometry(new Options());
var geomElement = geomObj as GeometryElement;
// ugly code to detect if transform for geometry object is needed or not
// filed request to provide this info via API, but meanwhile ...
foreach (GeometryObject geob in geomElement)
{
if (!(geob is GeometryInstance))
{
continue;
}
var ginsta = geob as GeometryInstance;
GeometryElement gSymbolElement = ginsta.GetSymbolGeometry();
var geometryElements = new List <GeometryElement> {
gSymbolElement
};
bool found = false;
for (; geometryElements.Count > 0 && !found;)
{
GeometryElement thisGeometryElement = geometryElements[0];
geometryElements.Remove(thisGeometryElement);
foreach (GeometryObject geobSym in thisGeometryElement)
{
if (geobSym is GeometryElement)
{
geometryElements.Add(geobSym as GeometryElement);
continue;
}
if ((thisObject is Curve) && (geobSym is Curve) &&
(thisObject == geobSym))
{
found = true;
break;
}
if (thisObject is Curve)
{
continue;
}
if ((thisObject is Autodesk.Revit.DB.Face) && (geobSym is Autodesk.Revit.DB.Face) && (thisObject == geobSym))
{
found = true;
break;
}
if ((thisObject is Edge) && (geobSym is Autodesk.Revit.DB.Face))
{
var edge = thisObject as Edge;
//use GetFace after r2013 support is dropped
if (geobSym == edge.get_Face(0) || geobSym == edge.get_Face(1))
{
found = true;
break;
}
}
if (!(geobSym is Solid))
{
continue;
}
FaceArray solidFaces = ((Solid)geobSym).Faces;
int numFaces = solidFaces.Size;
for (int index = 0; index < numFaces && !found; index++)
{
Autodesk.Revit.DB.Face faceAt = solidFaces.get_Item(index);
if ((thisObject is Autodesk.Revit.DB.Face) && (thisObject == faceAt))
{
found = true;
break;
}
if (thisObject is Edge)
{
var edge = thisObject as Edge;
//use GetFace after r2013 support is dropped
if (faceAt == edge.get_Face(0) || faceAt == edge.get_Face(1))
{
found = true;
break;
}
}
}
}
}
if (found)
{
thisTrf = ginsta.Transform;
break;
}
}
if (thisObject == null)
{
throw new Exception("could not resolve reference for XYZ on Element");
}
}
XYZ thisXYZ;
if (_reference.ElementReferenceType == ElementReferenceType.REFERENCE_TYPE_SURFACE &&
thisObject is Autodesk.Revit.DB.Face)
{
var face = thisObject as Autodesk.Revit.DB.Face;
if (!_init)
{
_param0 = _reference.UVPoint[0];
_param1 = _reference.UVPoint[1];
_init = true;
}
var uv = new UV(_param0, _param1);
thisXYZ = face.Evaluate(uv);
if (thisTrf != null)
{
thisXYZ = thisTrf.OfPoint(thisXYZ);
}
}
else if (_reference.ElementReferenceType == ElementReferenceType.REFERENCE_TYPE_LINEAR)
{
Curve curve;
if (thisObject is Edge)
{
var edge = (Edge)SelectedElement.GetGeometryObjectFromReference(_reference);
curve = edge.AsCurve();
}
else
{
curve = (Curve)SelectedElement.GetGeometryObjectFromReference(_reference);
}
if (curve != null)
{
if (_init)
{
thisXYZ = curve.Evaluate(_param0, true);
}
else
{
XYZ curPoint = _reference.GlobalPoint;
if (thisTrf != null)
{
Autodesk.Revit.DB.Transform inverseTrf = thisTrf.Inverse;
curPoint = inverseTrf.OfPoint(_reference.GlobalPoint);
}
IntersectionResult thisResult = curve.Project(curPoint);
_param0 = curve.ComputeNormalizedParameter(thisResult.Parameter);
_init = true;
}
thisXYZ = curve.Evaluate(_param0, true);
_param1 = -1.0;
}
else
{
throw new Exception("could not evaluate point on face or edge of the element");
}
if (thisTrf != null)
{
thisXYZ = thisTrf.OfPoint(thisXYZ);
}
}
else
{
throw new Exception("could not evaluate point on face or edge of the element");
}
old_refXyz = _reference;
return(Value.NewContainer(thisXYZ));
}