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Shared Coordinates

Practical ideas for Revit, BIM and construction technology. Built from years of shared experience.

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Revit Zero is not the same as Project Base Point

Often, it is. But if Project Base Point has ever moved in the life of the Revit project, then it probably won’t be. Revit Zero (sometimes called the Internal Origin) affects things like FBX and NWC ex…

2014-04-17 · Luke Johnson
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Aligning Point Clouds without known coordinates

Not a great position to be in (having point clouds with different coordinate systems and no known common point), but here is some code that may help:andymiller/FeatureBasedAlignment · GitHub From GibH…

2013-09-16 · Luke Johnson
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Point Clouds and Shared Coordinates

In a recent project, we received a DWG file and a number of point clouds, all on the same coordinate system (MGA). To setup project initially, I followed these steps: New Project Link the survey DWG b…

2013-08-16 · Luke Johnson
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RVT Origin Linking Tips

Posted by Mark Petrucci: Did you know there is another point called the Startup Location? Be default, the PBP and SP are located on top of the Startup Location. What is the Startup Location used for? …

2013-02-21 · Luke Johnson
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Better coordination between Revit and Civil 3D? Yes please!

BIM Coordinator for AutoCAD® Civil 3D® and Autodesk® Revit® software is a free* technology preview that assists project team members with building and site grids. Open embedded content: www.youtube.co…

2012-05-10 · Luke Johnson
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A 36 minute video on the Revit coordinate system…

EDIT For some reason the original video is not working. It was also referenced on Wikihelp here, and that embedded version is broken too. I tried to contact Youtube user cwm9 but did not get a reply. …

2012-02-14 · Luke Johnson
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Make the sun stay in its proper location in the Universe

How do you keep the sun in the correct, real-universe location when dealing with shadows in Revit 3D views? Here is how:“On the Status Bar (that’s the one on the bottom) click on the Sun Path icon and…

2012-02-02 · Luke Johnson
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Resetting Shared Coordinates (via Revit OpEd)

Great veteran’s tip from Steve. He explains how to reset shared coordinates to an out-of-the-box setting by Acquiring Coordinates from a default Revit template: Once two files are sharing coordinates …

2011-07-25 · Luke Johnson