public override Value Evaluate(FSharpList <Value> args)
{
View3D view = null;
var eye = (XYZ)((Value.Container)args[0]).Item;
var userUp = (XYZ)((Value.Container)args[1]).Item;
var direction = (XYZ)((Value.Container)args[2]).Item;
var name = ((Value.String)args[3]).Item;
XYZ side;
if (direction.IsAlmostEqualTo(userUp) || direction.IsAlmostEqualTo(userUp.Negate()))
{
side = XYZ.BasisZ.CrossProduct(direction);
}
else
{
side = userUp.CrossProduct(direction);
}
XYZ up = side.CrossProduct(direction);
//need to reverse the up direction to get the
//proper orientation - there might be a better way to handle this
var orient = new ViewOrientation3D(eye, -up, direction);
if (this.Elements.Any())
{
Element e;
if (dynUtils.TryGetElement(this.Elements[0], typeof(View3D), out e))
{
view = (View3D)e;
if (!view.ViewDirection.IsAlmostEqualTo(direction))
{
view.Unlock();
view.SetOrientation(orient);
view.SaveOrientationAndLock();
}
if (view.Name != null && view.Name != name)
{
view.Name = CreateUniqueViewName(name);
}
}
else
{
//create a new view
view = dynViewBase.Create3DView(orient, name, false);
Elements[0] = view.Id;
}
}
else
{
view = Create3DView(orient, name, false);
Elements.Add(view.Id);
}
return(Value.NewContainer(view));
}
public override Value Evaluate(FSharpList <Value> args)
{
View3D view = null;
var eye = (XYZ)((Value.Container)args[0]).Item;
var target = (XYZ)((Value.Container)args[1]).Item;
var name = ((Value.String)args[2]).Item;
var extents = ((Value.Container)args[3]).Item;
var isolate = Convert.ToBoolean(((Value.Number)args[4]).Item);
var globalUp = XYZ.BasisZ;
var direction = target.Subtract(eye);
var up = direction.CrossProduct(globalUp).CrossProduct(direction);
var orient = new ViewOrientation3D(eye, up, direction);
if (this.Elements.Any())
{
if (dynUtils.TryGetElement(this.Elements[0], out view))
{
if (!view.ViewDirection.IsAlmostEqualTo(direction) || !view.Origin.IsAlmostEqualTo(eye))
{
view.Unlock();
view.SetOrientation(orient);
view.SaveOrientationAndLock();
}
if (!view.Name.Equals(name))
{
view.Name = ViewBase.CreateUniqueViewName(name);
}
}
else
{
//create a new view
view = ViewBase.Create3DView(orient, name, isPerspective);
Elements[0] = view.Id;
}
}
else
{
view = Create3DView(orient, name, isPerspective);
Elements.Add(view.Id);
}
var fec = dynRevitUtils.SetupFilters(dynRevitSettings.Doc.Document);
if (isolate)
{
view.CropBoxActive = true;
var element = extents as Element;
if (element != null)
{
var e = element;
var all = fec.ToElements();
var toHide =
fec.ToElements().Where(x => !x.IsHidden(view) && x.CanBeHidden(view) && x.Id != e.Id).Select(x => x.Id).ToList();
if (toHide.Count > 0)
{
view.HideElements(toHide);
}
dynRevitSettings.Doc.Document.Regenerate();
Debug.WriteLine(string.Format("Eye:{0},Origin{1}, BBox_Origin{2}, Element{3}",
eye.ToString(), view.Origin.ToString(), view.CropBox.Transform.Origin.ToString(), (element.Location as LocationPoint).Point.ToString()));
//http://wikihelp.autodesk.com/Revit/fra/2013/Help/0000-API_Deve0/0039-Basic_In39/0067-Views67/0069-The_View69
if (isPerspective)
{
var farClip = view.get_Parameter("Far Clip Active");
farClip.Set(0);
}
else
{
//http://adndevblog.typepad.com/aec/2012/05/set-crop-box-of-3d-view-that-exactly-fits-an-element.html
var pts = new List <XYZ>();
ParseElementGeometry(element, pts);
var bounding = view.CropBox;
var transInverse = bounding.Transform.Inverse;
var transPts = pts.Select(transInverse.OfPoint).ToList();
//ingore the Z coordindates and find
//the max X ,Y and Min X, Y in 3d view.
double dMaxX = 0, dMaxY = 0, dMinX = 0, dMinY = 0;
//geom.XYZ ptMaxX, ptMaxY, ptMinX,ptMInY;
//coorresponding point.
bool bFirstPt = true;
foreach (var pt1 in transPts)
{
if (true == bFirstPt)
{
dMaxX = pt1.X;
dMaxY = pt1.Y;
dMinX = pt1.X;
dMinY = pt1.Y;
bFirstPt = false;
}
else
{
if (dMaxX < pt1.X)
{
dMaxX = pt1.X;
}
if (dMaxY < pt1.Y)
{
dMaxY = pt1.Y;
}
if (dMinX > pt1.X)
{
dMinX = pt1.X;
}
if (dMinY > pt1.Y)
{
dMinY = pt1.Y;
}
}
}
bounding.Max = new XYZ(dMaxX, dMaxY, bounding.Max.Z);
bounding.Min = new XYZ(dMinX, dMinY, bounding.Min.Z);
view.CropBox = bounding;
}
}
else
{
var xyz = extents as BoundingBoxXYZ;
if (xyz != null)
{
view.CropBox = xyz;
}
}
view.CropBoxVisible = false;
}
else
{
view.UnhideElements(fec.ToElementIds());
view.CropBoxActive = false;
}
return(Value.NewContainer(view));
}