file.dwg wont open; file.dxf opens but can't see on the screen

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file.dwg wont open; file.dxf opens but can't see on the screen

Iosif
Hi

I am new to LibreCAD, working with DraftSite 2D free until now (AutoCAD before), will not be available free from December 31, 2019

file.dwg
I try to open a file.dwg in LibreCAD, what I am getting is a small window that writes:
"experimental, save your work first"
If I click "OK" button I get:
"Cannot open the file......
Please check it's existence and permissions"
If I click "Cancel" button I get the same "Cannot....."

File.dxf
Opens, but can't see the file on the screen

Both files opens in DraftSite.
I suppose I am missing something. Please help

Best wishes
Iosif
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Re: file.dwg wont open; file.dxf opens but can't see on the screen

flywire
I don't use DraftSite 2D. Can you make a small demo file with the issue and post it?
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Re: file.dwg wont open; file.dxf opens but can't see on the screen

Iosif
LibreCAD_fail.docx

This is a screen shot of the warning

Best wishes
Iosif
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Re: file.dwg wont open; file.dxf opens but can't see on the screen

LordOfBikes
Administrator
From the error message we can't estimate what's wrong with your files.
If you can share the files (DXF and DWG) in public, you can upload both here.
Otherwise you can sent them by mail to me (librecad[at]mail.lordofbieks.de).
If even this is impossible, I can't say what's wrong with your files.

Armin
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Re: file.dwg wont open; file.dxf opens but can't see on the screen

Iosif
Thank you for the answer Lord Of Bikes.
CT13_Construction.dwg
CTY10VAKA_Unfold.dxf
The drawings are of two small trimarans.
As I mentioned before, the drawings were made in DraftSite and are opening in DraftSite without problems.

Best wishes
Iosif
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Re: file.dwg wont open; file.dxf opens but can't see on the screen

dellus
The dxf works, it's just out of sight, do an Auto Zoom, and it's there.

The dwg indeed doesn't. DWG import is experimental, may work or not. Maybe LordOfBikes will be able to tell more.
Best save in Draftsight as DXF 2007 or use an external tool like Theiga file converter.  
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Re: file.dwg wont open; file.dxf opens but can't see on the screen

Iosif
Thank you all for the advice's

Auto-zoom helps instead with .dxf
Unfortunately I need to work with .dwg also

Best wishes
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Re: file.dwg wont open; file.dxf opens but can't see on the screen

paul.a
In reply to this post by Iosif
I'm new to this forum, but found this message.  I've just installed librecad on Ubuntu 18.04LTS to use some older architectural .dwg files.  No joy. This thread mentions the error that I am getting "Please check it's existence and permissions" and gives as answer "DWG import is experimental, may work or not."
Well, the file exists, and on the off-chance, I've chmod'ed all the .dwg files to 777

Is there a trick or recommendation? If not, is there another OpenSource Linux/Debian distro that can open .dwg files?

Thanks -- Paul
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Re: file.dwg wont open; file.dxf opens but can't see on the screen

flywire
https://dokuwiki.librecad.org/doku.php/usage:faq
Why does the DWG import fail?
The support of DWG format by LibreCAD is basic. If the DWG import fails, you can convert from DWG to DXF format. Free converters are available on the web.
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Re: file.dwg wont open; file.dxf opens but can't see on the screen

paul.a
Sorry, it's not "basic", in real life it fails. I have supported, and continue to support the Linux, open source, future of IT for three decades or more (started writing Fortran/Cobol in the late 1950s). I have a Win .exe that runs under 98SE (in an Oracle VM) that opens .dwg, manipulates them with no problems, but has next-to-no output capability.
We -- the Linux, Debian, Ubuntu, whatever, community need to get our backsides into gear. If LibreCad can't do it, and insist on going back to 23 year old M$ software, we (you, me, the community) are missing out on "the future."
So be it -- Paul
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Re: file.dwg wont open; file.dxf opens but can't see on the screen

flywire
I was like you but then I read Switch to LibreDWG #1055 Response, including all the links.

That's not even the problem. Somewhere I read the dwg format changes regularly and it isn't documented. So dwg compatibility is probably a bigger job that LibreCAD itself. The real question is: Should LibreCAD offer dwg support? It might be better to drop it and have a reference in the manual to use a third-party program to convert it.

In my experience, the only company to do full dwg support is Autodesk®.
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Re: file.dwg wont open; file.dxf opens but can't see on the screen

fa201
You may try this : https://forum.librecad.org/Converting-DraftSight-file-to-LibreCAD-file-DWG-to-DXF-td5717213.html
Fabrice

French hobbyist interested in 2D design.