private void ApplyViewOrientationAndVisibility(UIDocument uiDocument, View3D view, Camera camera)
{
using var trans = new Transaction(uiDocument.Document);
if (trans.Start($"Apply view orientation and visibility in '{view.Name}'") != TransactionStatus.Started)
{
return;
}
StatusBarService.SetStatusText("Loading view point data ...");
Log.Information("Calculating view orientation from camera position ...");
ProjectPosition projectPosition = uiDocument.Document.ActiveProjectLocation.GetProjectPosition(XYZ.Zero);
var viewOrientation3D = RevitUtils.TransformCameraPosition(
new ProjectPositionWrapper(projectPosition),
camera.Position.ToInternalUnits(),
true)
.ToViewOrientation3D();
if (camera.Type == CameraType.Perspective)
{
Log.Information("Setting active far viewer bound to zero ...");
Parameter farClip = view.get_Parameter(BuiltInParameter.VIEWER_BOUND_ACTIVE_FAR);
if (farClip.HasValue)
{
farClip.Set(0);
}
}
Log.Information("Applying new view orientation ...");
view.SetOrientation(viewOrientation3D);
Log.Information("Applying element visibility ...");
var currentlyVisibleElements = uiDocument.Document.GetVisibleElementsOfView(view);
var map = uiDocument.Document.GetIfcGuidElementIdMap(currentlyVisibleElements);
var exceptionElements = GetViewpointVisibilityExceptions(map);
var selectedElements = GetViewpointSelection(map);
if (exceptionElements.Any())
{
if (_bcfViewpoint.GetVisibilityDefault())
{
view.HideElementsTemporary(exceptionElements);
selectedElements = selectedElements.Where(id => !exceptionElements.Contains(id)).ToList();
}
else
{
view.IsolateElementsTemporary(exceptionElements);
selectedElements = selectedElements.Where(id => exceptionElements.Contains(id)).ToList();
}
}
view.ConvertTemporaryHideIsolateToPermanent();
if (selectedElements.Any())
{
Log.Information("Select {n} elements ...", selectedElements.Count);
uiDocument.Selection.SetElementIds(selectedElements);
}
trans.Commit();
}
