bugLibreDWG - Bugs: bug #39859, OBJECT MAP scanning

 
 

bug #39859: OBJECT MAP scanning

Submitted by:  Felipe Castro <fefcas>
Submitted on:  Fri 23 Aug 2013 02:16:04 PM UTC  
 
Category:  None Severity:  3 - Normal
Item Group:  None Status:  Fixed
Privacy:  Public Assigned to:  Reini Urban <reini_urban>
Open/Closed:  Closed

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Mon 11 Jun 2018 07:52:12 AM UTC, comment #4:

The r13-r2000 object map scanning has been fixed for a while.

Also r2004-r2018 mostly works now, just some handles are not resolved because not all objects/classes can be fully read yet, and thus those handles go missing.

Reini Urban <reini_urban>
Project AdministratorIn charge of this item.
Tue 01 May 2018 04:40:12 PM UTC, comment #3:

2007 is now also fixed, will work on the 2010 and 2013 versions now. looking good.

The problem is not the object map scanning, only minor parts in some object are still buggy.

Reini Urban <reini_urban>
Project AdministratorIn charge of this item.
Wed 25 Apr 2018 01:27:47 PM UTC, comment #2:

Thanks for the files.
With the R13-2004 versions all objects can now be successfully read.

For 2007 only partially until I can fix the remaining string and handle stream offset bugs.

2010 and 2013 crash on the BLOCK_CONTROL with an invalid bitsize. This should be fixed soon.

Reini Urban <reini_urban>
Project AdministratorIn charge of this item.
Fri 11 Oct 2013 07:09:57 PM UTC, comment #1:

The problem appeared only for versions R13, R14 and R2000. For R2004, the object map and data are correct, each one in its own section.

Felipe Castro <fefcas>
Fri 23 Aug 2013 02:16:04 PM UTC, original submission:

The OBJECT MAP scanning specification from ODA seems to be broken, I have tested extensely and didn't figure out a way to accomplish the task in every situation.

This link has files where we can prove that Libredwg is not able to scan all objects present in a DWG file: https://sites.google.com/site/fefcas/dwg

I have seen errors in the code, but even fixing them, problems get even worse, because the DWG object map section seens to be very buggy.

The way to go, I think, is bypass the object map section, and try to scan them directly.

Felipe Castro <fefcas>

 

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    Follow 4 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2018-06-11 reini_urban StatusIn Progress => Fixed
        Open/ClosedOpen => Closed
    2018-04-25 reini_urban StatusNone => In Progress
        Assigned toNone => reini_urban

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