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Orth drawing not showing elbows correctly

15 REPLIES 15
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Message 1 of 16
david.banbury
3137 Views, 15 Replies

Orth drawing not showing elbows correctly

I am having problems with generating ortho views.

Any elbow/bend that isn't square or perpendicular to the view will not show correctly in 2D. This is really frustrating, any help would be appreciated. Thanks

15 REPLIES 15
Message 2 of 16
PeterQuinn
in reply to: david.banbury

More details, please.

 

A sample would be nice. What version, etc?

 

It works for me just fine. Are you seeing the hidden lines - you can turn those off either by turning off the layer or choosing not to show them in the first place.



Peter Quinn
Senior Product Manager
Autodesk, Inc.

Message 3 of 16
david.banbury
in reply to: PeterQuinn

Sorry about the lack of explanation.

 

I am using plant 3D 2014.

I have created my own spec/catalog for stainless metric tru bore pipe (only for the size that I require for this project) with lap joints/stub ends, flanges, etc.

 

The fittings are placed in the model with no error messages, although I haven't added the valves to the spec as yet (as you can see by the drips on the attached image).

 

I have attached two images which might help explain the problem that I am having. The elbow that is "turned" down will not show in the 2D ortho view. This is happening on all the elbows/bends that are turned on the flange to allow for alignment with other pipework.

 

The elbows are not turned to a specific angle eg. 22.5 deg, 45 deg etc.

 

Any help would be greatly appreciated.

Message 4 of 16

After some testing.....

 

It appears that our 3D model is so far away from 0,0 that Plant 3D can't process all the data. When we recreate the pipe route closer to 0,we no longer have the missing elbow issue

Message 5 of 16

This is definitely a bug that would need fixing. I believe this is an issue that will crop up with a lot of random issues if your model strays too far from 0,0.  Unfortunately to efficiently coordinate with other disciplines we often will have our models in "real world" coordinates and not just at 0,0.  I hope Autodesk will explore this problem for future versions.  It would be nice to get an explaination for this requirement to be close to 0,0.

 

Aaron

Message 6 of 16

Hi,

we are having the same problem with almost all the elbows in orthographic drawing. Not good.

Is there a solution for this issue ?

 

thanks

 

AutoCAD Plant3D 2015

Main Board: ASUS RAMPAGE IV EXTREME

Intel(R) Core(TM) i7-4960X CPU @ 3.60GHz 3.60 GHz

RAM: 32,0 GB

Main System SSD - Gen3 SSHD Technology - Intel 510 Series

Windows 7 Professional 64 bits

NVIDIA Quadro K5000

 

Message 7 of 16

Any update on this issue ?

Message 8 of 16

The only way we could make it work correctly was to move our site model closer to 0,0. This seem to solve our problem.

Message 9 of 16

In this particular project site is rather big and when something is close to 0,0,0 others are way far, beside we have quite a few civil, mechanical and piping drawings and can't afford moving it all. We are still waiting for a solution from Autodesk since April, together with this other bug of AP3D 2015

 

http://forums.autodesk.com/t5/AutoCAD-Plant-3D-General/Ortho-Cube-problems-when-editing-2015/m-p/504...

 

thank you

Alvaro

Message 10 of 16
TWROGERS
in reply to: david.banbury

I am also having the same issue. My issue is a little more complicated though. I did a big job that had a lot of skewed pipe and trimmed elbows and everything worked fine. No issues really. But that was about 8 months ago. Recently I got into one of the orthos to add a filter system and when I updated the ortho, all my elbows that were not square to the world disappeared, and all the elbows that were turned down, had circles in them like it was trying to create a hidden line or something. 

 

Please help! 

 

This is a big issue that needs fixed!

 

Thanks in advanced

 

See attached file

Message 11 of 16

I have the same problem with CAD 3D plant 2017, and I do not know how to solve it

Message 12 of 16
TWROGERS
in reply to: abdelaalsabra

The reason behind my elbows not showing up correctly was due simple from my model being too far away from 0,0,0. For your future models, in the beginning, take a couple digits off of the front of the coordinate you are suppose to use. For example, if the column row you are starting at is at East 1,560,058 ft, then take the 1 and the 5 off to make it 60,058 ft. Same with your North coordinates.

Message 13 of 16
dgorsman
in reply to: TWROGERS

Basically, you create your project base point that gives reasonable numbers in the WCS; rather than "knocking off a couple of leading numbers" I recommend choosing something rational and easy to locate, such as a corner of an outlying building.  If there really isn't a convenient point to work from, borrow a concept from some Revit designers: a small "monument" object with unique dimensions in each axis (1 x 4 x 9, for example) at your base point.  Every model gets the same monument in the proper location, so when everything is brought together its obvious if something's out of place or not oriented properly.

 

If you later want "true" plant coordinates per the area survey then you can construct a named UCS to read appropriate values.  Surveyors *must* work from control points/monuments/etc.; thankfully in the mechanical design world we don't have to do that.

----------------------------------
If you are going to fly by the seat of your pants, expect friction burns.
"I don't know" is the beginning of knowledge, not the end.


Message 14 of 16
clint_riley
in reply to: dgorsman

Is there a fix for this issue yet (Plant 3D 2017) as I'm having the same issues.  I cannot move my origin to work around the problem with my project. Is there a Hotfix available that we need? Straight on views of fittings are fine.  It's the skewed views of fittings that are not showing in our ortho sheets. Thank you. 

Message 15 of 16

Its an AutoCAD problem, not a Plant3D problem.

 

Best thing to do is to always work as close to 0,0 as possible. If you need world coordinates on Isometrics, then adjust the XY values in the Project Setup.

 

http://blogs.autodesk.com/autocad/working-large-coordinates-in-autocad/



Tomislav Golubovic
Technical Specialist - Plant and Infrastructure
Autodesk Australia / New Zealand
Autodesk, Inc.
Autodesk ANZ YouTube Channel
Message 16 of 16
TWROGERS
in reply to: clint_riley

Well, the only thing we have figured out is also the coordinate's issue. It is best to stay as close to 0,0,0 as possible. Sometime if you have large coordinates, you can take some digits off of the front end. Example, if your coords are N. 1,564,852.50' then you can take the 156 off of the front. Make sure every discipline and lead is aware of this change though. The only issue that this causes is if you're doing iso's and you have your coords showing on your iso's. You would have uncheck your coords box in your iso settings. That is where we are so far.

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