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Snap accuracy

Snap accuracy

Please improve snap accuracy! While tracing over a linked CAD file, Revit often misses the end points of straight line segments in spite of visual feedback and snap overrides telling me that it supposedly snaps to end points. However, it snaps to blank spaces!

4 Comments
dplumb_BWBR
Advisor

If Revit is snapping to blank spaces instead of Line Endpoints, chances are that your DWG is far, far away from 0,0,0.

The farther away (like thousands or millions of feet) it is, the less accurate.

Try moving your DWG closer to the origin and I'll bet your snap behaves better.

 

And, no , there's nothing that can be done to "improve" that.

It's baked into the way Revit uses numbers vs the way AutoCAD does it.

Intuos5
Advisor

The DWG is within 100 meters from the origin, so that shouldn't be an issue. I've noticed Revit being inaccurate more often, to the point where Steelwork draftsmen complain about the structure being a couple millimeters off when they receive Revit drawings as opposed to designs made with other software.

Anonymous
Not applicable

@Intuos5 Interesting. Care to post a fragment of your CAD file that causes this behaviour in Revit? Make sure to specify which version of Revit you're suing too please.

Intuos5
Advisor

@AnonymousThe ideas board does not allow for posting files. Nevertheless, note that this occurred to me with multiple files and has become something I unfortunately have to 'accept' as being Revit's behavior. Sometimes it's more noticeable than others, both on large scale shapes and small details the lines will be a tad off angle or just too long on certain occasions. My speculation on this is that if there are multiple possible snaps closer together (with lines in close proximity or even overlapping), Revit does not adhere to them as closely.

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