A RevitForum member remarked that it was confusing to see that the Survey Point shows 0,0,0 after using Publish Coordinates.
The image above shows the initial position, in a Building file, of the PBP and SP after using Publish Coordinates to pass the Shared Coordinate system information from a Site file to it. You can’t see a building because they are quite far apart…which is why the icons do not change size when you zoom in/out.
When we open the Building model the Survey Point (SP) is marking its own origin, which is 0,0,0. When we examine the Project Base Point (PBP) we’ll find coordinate values that indicate how far away it is from the SP. If we un-clip the SP we can choose to move it closer to the building and we’ll see the coordinate values change to show how far the icon is moving away from its origin .
When we use Acquire Coordinates Revit moves the SP (when it is Pinned) to…
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