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Point Cloud Snap does't work in Revit 2017!

8 ANTWORTEN 8
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Nachricht 1 von 9
Anonymous
1646 Aufrufe, 8 Antworten

Point Cloud Snap does't work in Revit 2017!

Hi,

 

it seems that the snap to Point Clouds is not working in Revit 2017! I tried it with "older" ReCap files and also with an RCP created by the latest ReCap version!

I know that previsous versions of Revit had problems with point clouds with large coordinates (larger than 20 miles) and that the snaps didn't work with these PCs. But now I cannot snap even to PCs with "small" coordinates! 

 

Any ideas how to solve this?

 

Jörg

8 ANTWORTEN 8
Nachricht 2 von 9
RDAOU
als Antwort auf: Anonymous

@Anonymous

 

Can you post a screenshot of the Point Cloud you have or better even a copped portion of it? Even with older versions of Revit it is not always the large coordinate and/or 20 miles radius

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Nachricht 3 von 9
Anonymous
als Antwort auf: RDAOU

Here is a screen shot of the same point cloud in Revit 2017 (left) and 2016 (right). In 2016 I can snap to the pc in 2017 not. Same effect with other point clouds and also on other machines.

 

Jörg 

Nachricht 4 von 9
RDAOU
als Antwort auf: Anonymous

@Anonymous

 

 

From the images you provided; my interpretation is as follows:

 

  • In the 2017 printscreen there are no points or elements to snap to!! how do you expect it to snap to something. What you have there seems to be only a regular Point Cloud scaned image...It doesn't contain any verstor geometries; meshes or solid objects to snap to. Such scans can be carried out by special 3D/Laser scanners and/or by means of software which converts your point cloud to vector geometries or mesh/solid surfaces. More over the each format of 3D scans holds within it certain limitations and constrains. You will need to refer to the manufacturer's manual for those.

 

  • In the 2016 printscreen you are snaping to the reference plane which which is there; not to the Point Cloud itself.

To Snap to something; you need an element/object which Revit can reference and/or associate what you are modeling with.

 

SEE POST HERE ON RELATED TOPIC Creating Geometries from Point Cloud - What Revit Wants

 

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Nachricht 5 von 9
Anonymous
als Antwort auf: RDAOU

In Revit 2016 and 2017 I started the wall command. To enter the start point of the wall I can click on the point cloud. If the snap is working (like in Revit 2016) I get a visual feedback that Revit snaps to the "nearest" point (in a point cloud this is a point on an average plane, indicated by the blue dashed line). Doing the same in Revit 2017 I get no snap! ... and I did exactly the same!

 

I did a lot of modelling from point clouds in Revit! Trust me, I know when a snap should appear Smiley (zwinkernd)  

Nachricht 6 von 9
RDAOU
als Antwort auf: Anonymous

@Anonymous

 

If your point cloud has the info in it  and was scanned the way it is supposed to be scanned then it will snap...if it doesn't have the info in it, it doesn't snap.

 

So its one of two options...

  1. It has the info and its not snapping ie: You discovered a bug
  2. It doesn't contain anything but an image (which you are saying it is not the case)

I do not see any other way to verify this without the point cloud file in question or at least a portion of it...So far I have tested only 2 3D Scans on 2017 and all functioned as they are supposed to!

YOUTUBE | BIM | COMPUTATIONAL DESIGN | PARAMETRIC DESIGN | GENERATIVE DESIGN | VISUAL PROGRAMMING
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Nachricht 7 von 9
Anonymous
als Antwort auf: RDAOU

It seems it is really a bug in Revit 2017. I got a response from Autodesk that they plan to fix it with the earliest service pack.

 

Thanks for your effort!

 

Jörg

 

 

Nachricht 8 von 9
jrfrost
als Antwort auf: Anonymous

Experiencing the same problem here. Would be very nice if they got it fixed soon.

Nachricht 9 von 9
JvanReij
als Antwort auf: jrfrost

Update:

This is fixed in the Revit version 2017.2.

Best regards,
Josha van Reij
Arcadis NV
BIM manager


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