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(); }
/// <summary> /// 隐藏元素 /// </summary> /// <param name="doc"></param> /// <param name="ele"></param> public static void HideElementsTemporary(Document doc, IList <ElementId> eles) { View3D view3d = doc.ActiveView as View3D; if (eles != null && eles.Count != 0) { view3d.HideElementsTemporary(eles); } }