Graphics Programs Reference
In-Depth Information
Using Shared Coordinates
Using shared coordinates is a useful way to keep several linked files in the
proper location and orientation within your project file. The key to using
shared coordinates is establishing which file will determine the coordinate
system.EveryRevit project hastwocoordinate systems.Onedetermines the
project coordinates, while the other defines the real-world coordinates.
The Project Base Point of a project can be viewed by turning on its visibility,
which is located under Site in the Model Categories tab of the Visibility/
Graphic Overrides dialog box (see Figure 4.5 ) . Site is an architectural
category, so you must set the filter list to view Architectural categories.
Figure 4.5 Project Base Point visibility settings
When you select the Project Base Point indicator in a view, you see the
coordinates established for the Revit project. The N/S, E/W, and Elevation
coordinates can all be set by selecting and editing the value along with the
angle of the project relative to True North, as shown in Figure 4.6 .
Figure 4.6 Editing a Project Base Point
The paper clip icon allows you to move the entire project or to move only
the Project Base Point location. When the Project Base Point is “clipped,”
moving it is the same as using the Relocate Project tool. This does not affect
the model as it relates to the project coordinates, but if you are using shared
coordinatestoalignwithlinkedfiles,itwillcauseyoutobeoutofalignment.
Moving the Project Base Point when it is “unclipped” causes the project
coordinate system to move in relation to the model. This changes the shared
coordinates of the Project Base Point. However, the shared coordinates of
the model components do not change.
 
 
 
 
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