I have been using Revit for a few months now, but am still unclear on where to set the Project Base Point and Survey Point for the project. Where should each be located? If a consultant's CAD comes in far from the Survey Point should the of survey point be moved?
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Easiest way to think of it is to move the session in revit to the right location.
You go to the mountain, you don't make the mountain come to you.
Make sure you are in plan view orientation "north geographic"
Generally, you import the Survey plan using "automatic centre to centre"
Then in your "manage" tab and "import coordinates" and select your linked file.
You can leave your Survey point where it is but if the surveyor has specified one you can move your Survey point.
Don't forget to UNPIN (using the paperclip icon) the Survey point and the project point.
Once unpinned, move your project base point (the circle) to the new location - eg. corner of the building or known point.
Now you can repin it. Do the same process for your Survey base point if you wish to relocate it and verify the coordinates with the Survey plan coordinates.
Also don't forget to set the elevation...Last edited by Karalon10; May 23, 2017, 07:35 AM. -
Thanks Karalon. Very helpfulComment
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There are actually 3 origin points in Revit. The base point, survey point, and origin point. The origin point can't really be seen, but when you import anything "origin to origin", this is what is being used. If any of your model is more than 20 miles away from this point, things start jumping around and becoming generally inaccurate. Just something to keep in mind when you're moving the survey point around to align with a cad drawing.Comment
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Thanks Chris. When importing a CAD drawing, is it best to use Center to Center as opposed to Origin to Origin?Comment
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Or you could go the long way round...
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It really depends on the CAD file. A lot of files generated by civil software in particular have origin points way off in space to correspond to some survey datum. If you try to bring that in it will probably default to center-to-center anyway. If the file is something you control, the base point can be something meaningful and origin-to-origin makes sense. Of course in a perfect world you're not bringing in any CAD files in the first place.Originally posted by krickabaugh View PostComment
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Hi,
How you got that
Please, give more explanationComment
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Looking at that building coder link, i see he is using snoop. Is that available during the initial install/setup in the bim tools part? Or part of developer kit?Last edited by biff; June 18, 2017, 03:17 AM.Motorbike riding is one long bezier curveComment
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Hello everybody
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Hello all,
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All,
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