public static void Open(Document doc, VisualizationInfo v)
{
try
{
NavisUtils.GetGunits(doc);
Viewpoint viewpoint = new Viewpoint();
//orthogonal
if (v.OrthogonalCamera != null)
{
if (v.OrthogonalCamera.CameraViewPoint == null || v.OrthogonalCamera.CameraUpVector == null ||
v.OrthogonalCamera.CameraDirection == null)
{
return;
}
var zoom = v.OrthogonalCamera.ViewToWorldScale.ToInternal();
var cameraDirection = NavisUtils.GetNavisVector(v.OrthogonalCamera.CameraDirection);
var cameraUpVector = NavisUtils.GetNavisVector(v.OrthogonalCamera.CameraUpVector);
var cameraViewPoint = NavisUtils.GetNavisXYZ(v.OrthogonalCamera.CameraViewPoint);
viewpoint.Position = cameraViewPoint;
viewpoint.AlignUp(cameraUpVector);
viewpoint.AlignDirection(cameraDirection);
viewpoint.Projection = ViewpointProjection.Orthographic;
viewpoint.FocalDistance = 1;
//TODO
//for better zooming from revit should use > zoom * 1.25
//for better zooming from tekla should use > zoom / 1.25
//still not sure why
Point3D xyzTL = cameraViewPoint.Add(cameraUpVector.Multiply(zoom));
var dist = xyzTL.DistanceTo(cameraViewPoint);
viewpoint.SetExtentsAtFocalDistance(1, dist);
}
//perspective
else if (v.PerspectiveCamera != null)
{
if (v.PerspectiveCamera.CameraViewPoint == null || v.PerspectiveCamera.CameraUpVector == null ||
v.PerspectiveCamera.CameraDirection == null)
{
return;
}
var zoom = v.PerspectiveCamera.FieldOfView;
var cameraDirection = NavisUtils.GetNavisVector(v.PerspectiveCamera.CameraDirection);
var cameraUpVector = NavisUtils.GetNavisVector(v.PerspectiveCamera.CameraUpVector);
var cameraViewPoint = NavisUtils.GetNavisXYZ(v.PerspectiveCamera.CameraViewPoint);
viewpoint.Position = cameraViewPoint;
viewpoint.AlignUp(cameraUpVector);
viewpoint.AlignDirection(cameraDirection);
viewpoint.Projection = ViewpointProjection.Perspective;
viewpoint.FocalDistance = zoom;
}
doc.CurrentViewpoint.CopyFrom(viewpoint);
//show/hide elements
//todo: needs improvement
//todo: add settings
if (v.Components != null)
{
List <ModelItem> attachedElems = new List <ModelItem>();
List <ModelItem> elems = doc.Models.First.RootItem.DescendantsAndSelf.ToList <ModelItem>();
foreach (var item in elems.Where(o => o.InstanceGuid != Guid.Empty))
{
string ifcguid = IfcGuid.ToIfcGuid(item.InstanceGuid).ToString();
//if (v.Components.Any(o => o.IfcGuid == ifcguid))
attachedElems.Add(item);
}
if (attachedElems.Any()) //avoid to hide everything if no elements matches
{
if (UserSettings.Get("selattachedelems") == "0")
{
List <ModelItem> elemsVisible = new List <ModelItem>();
foreach (var item in attachedElems)
{
elemsVisible.AddRange(item.AncestorsAndSelf);
}
foreach (var item in elemsVisible)
{
elems.Remove(item);
}
doc.Models.ResetAllHidden();
doc.Models.SetHidden(elems, true);
}
else
{
doc.CurrentSelection.Clear();
doc.CurrentSelection.AddRange(attachedElems);
}
}
}
}
catch (System.Exception ex1)
{
MessageBox.Show("exception: " + ex1, "Error opening view");
}
}
//<summary>
//Generate a VisualizationInfo of the current view
//</summary>
//<returns></returns>
public static VisualizationInfo GenerateViewpoint(Document doc, Viewpoint viewpoint)
{
try
{
NavisUtils.GetGunits(doc);
var v = new VisualizationInfo();
Vector3D vi = GetViewDirection(viewpoint);
Vector3D up = GetViewUp(viewpoint);
Point3D c = new Point3D(viewpoint.Position.X, viewpoint.Position.Y, viewpoint.Position.Z);
double zoomValue = 1;
//prepare view
viewpoint = viewpoint.CreateCopy();
if (!viewpoint.HasFocalDistance)
{
viewpoint.FocalDistance = 1;
}
// it is a orthogonal view
if (viewpoint.Projection == ViewpointProjection.Orthographic)
{
//TODO: needs checking!!!
double dist = viewpoint.VerticalExtentAtFocalDistance / 2;
zoomValue = 3.125 * dist / (up.Length * 1.25);
v.OrthogonalCamera = new OrthogonalCamera
{
CameraViewPoint =
{
X = c.X.FromInternal(),
Y = c.Y.FromInternal(),
Z = c.Z.FromInternal()
},
CameraUpVector =
{
X = up.X.FromInternal(),
Y = up.Y.FromInternal(),
Z = up.Z.FromInternal()
},
CameraDirection =
{
X = vi.X.FromInternal(),
Y = vi.Y.FromInternal(),
Z = vi.Z.FromInternal()
},
ViewToWorldScale = zoomValue.FromInternal()
};
}
else
{
zoomValue = viewpoint.FocalDistance;
v.PerspectiveCamera = new PerspectiveCamera
{
CameraViewPoint =
{
X = c.X.FromInternal(),
Y = c.Y.FromInternal(),
Z = c.Z.FromInternal()
},
CameraUpVector =
{
X = up.X.FromInternal(),
Y = up.Y.FromInternal(),
Z = up.Z.FromInternal()
},
CameraDirection =
{
X = vi.X.FromInternal(),
Y = vi.Y.FromInternal(),
Z = vi.Z.FromInternal()
},
FieldOfView = zoomValue
};
}
//COMPONENTS PART
//if (elemCheck == 0)//visible (0)
// _elementList = _oDoc.Models.First.RootItem.DescendantsAndSelf.Where(o => o.InstanceGuid != Guid.Empty && ChechHidden(o.AncestorsAndSelf) && o.FindFirstGeometry() != null && !o.FindFirstGeometry().Item.IsHidden).ToList<ModelItem>();
//if (null != _elementList && _elementList.Any() && elemCheck != 2)//not if none (2)
//{
// v.Components = new Data.Component[_elementList.Count];
// string appname = Autodesk.Navisworks.Api.Application.Title;
// for (var i = 0; i < _elementList.Count; i++)
// {
// string ifcguid = IfcGuid.ToIfcGuid(_elementList.ElementAt(i).InstanceGuid).ToString();
// v.Components[i] = new Case.IssueTracker.Data.Component(appname, "", ifcguid);
// }
//}
return(v);
}
catch (System.Exception ex1)
{
MessageBox.Show("exception: " + ex1, "Error generating viewpoint");
}
return(null);
}