Updates the content of an existing view or all views within the same ortho drawing.
Access Methods
Ribbon: Ortho View 
3D Models panel Update View
Command entry:
plantorthoupdate Summary
After you have created an ortho view, you can right click the view in the Project Manager and click Update View. The view is checked against the 3D model. If the model has changed, you can then update it.
For updating views in a drawing, right-click the ortho drawing and select Update Views.
To update views across drawings, select and right-click multiple ortho drawings or folders, and then choose Update Views. The Ortho Generation dialog box is displayed to track the update progress.
You can also update the views using the command line. To update all views simultaneously within an ortho drawing, enter PLANTORTHOUPDATE and then use the All option.