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();
}
private static Position GetCameraPosition(this UIDocument uiDocument, bool isPerspective)
{
ProjectPosition projectPosition = uiDocument.Document.ActiveProjectLocation.GetProjectPosition(XYZ.Zero);
var zoomCorners = uiDocument.GetOpenUIViews()[0].GetZoomCorners();
XYZ bottomLeft = zoomCorners[0];
XYZ topRight = zoomCorners[1];
XYZ viewCenter = uiDocument.ActiveView.Origin;
if (!isPerspective)
{
viewCenter = new XYZ((topRight.X + bottomLeft.X) / 2,
(topRight.Y + bottomLeft.Y) / 2,
(topRight.Z + bottomLeft.Z) / 2);
}
return(RevitUtils.TransformCameraPosition(
new ProjectPositionWrapper(projectPosition),
new Position(
viewCenter.ToVector3(),
uiDocument.ActiveView.ViewDirection.ToVector3(),
uiDocument.ActiveView.UpDirection.ToVector3())));
}
public void TransformCameraPosition_ReturnsExpectedPosition(
ProjectPositionWrapper projectBase,
Position initialCamera,
Position expectedCamera,
bool reverse)
{
// Arrange / Act
Position cameraPosition = RevitUtils.TransformCameraPosition(projectBase, initialCamera, reverse);
// Assert
Assert.Equal(expectedCamera.Center.X, cameraPosition.Center.X, 10);
Assert.Equal(expectedCamera.Center.Y, cameraPosition.Center.Y, 10);
Assert.Equal(expectedCamera.Center.Z, cameraPosition.Center.Z, 10);
Assert.Equal(expectedCamera.Forward.X, cameraPosition.Forward.X, 10);
Assert.Equal(expectedCamera.Forward.Y, cameraPosition.Forward.Y, 10);
Assert.Equal(expectedCamera.Forward.Z, cameraPosition.Forward.Z, 10);
Assert.Equal(expectedCamera.Up.X, cameraPosition.Up.X, 10);
Assert.Equal(expectedCamera.Up.Y, cameraPosition.Up.Y, 10);
Assert.Equal(expectedCamera.Up.Z, cameraPosition.Up.Z, 10);
}