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Latest News Approved - With Summaries
libredwg-0.9 released
     posted by reini_urban, Sun 06 Oct 2019 03:21:48 PM UTC - 0 replies

This is a major release, the first beta,
adding the new dxf importer, and dxf2dwg (experimental),
the first usage of the new dynapi and the encoder.

More here: https://www.gnu.org/software/libredwg/ and http://git.savannah.gnu.org/cgit/libredwg.git/tree/NEWS ...


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libredwg-0.8 released
     posted by reini_urban, Tue 25 Jun 2019 09:55:44 AM UTC - 0 replies

This is a major release, adding the new dynamic API, read and write
all header and object fields by name. Many of the old dwg_api.h field
accessors are deprecated.
More here: https://www.gnu.org/software/libredwg/ and http://git.savannah.gnu.org/cgit/libredwg.git/tree/NEWS ...


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libredwg-0.7 released
     posted by reini_urban, Thu 06 Dec 2018 12:07:23 AM UTC - 0 replies

See https://www.gnu.org/software/libredwg/ and
http://git.savannah.gnu.org/cgit/libredwg.git/tree/NEWS

new API:
  * add dwg_get_OBJECT(dwg) API for all objects in a DWG.
    analog to dwg_get_ENTITY, but including all objects, tables, ...


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libredwg-0.6.2 released
     posted by reini_urban, Wed 07 Nov 2018 10:51:55 AM UTC - 0 replies

Important bugfixes:
  * Fixed several out_dxf segfaults (#39)
  * Enhanced the section size limit from 2032 to 2040.
    There were several DWG files with a section size of 2035
    in the wild. (PR #41, Denis Pryt)
  * Fixed EED realloc on decoding when end - dat->byte == 1 ...


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libredwg-0.6.1 released [alpha]
     posted by reini_urban, Mon 05 Nov 2018 01:07:32 PM UTC - 0 replies

This is a minor bugfix release, fixing
mostly a decoding error with LWPOLYLINE points.

Here are the compressed sources:
  http://ftp.gnu.org/gnu/libredwg//libredwg-0.6.1.tar.gz   (9.8MB)
  http://ftp.gnu.org/gnu/libredwg//libredwg-0.6.1.tar.xz   (3.7MB) ...


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libredwg-0.6 released [alpha]
     posted by reini_urban, Mon 13 Aug 2018 09:48:15 AM UTC - 0 replies

See https://www.gnu.org/software/libredwg/

API breaking changes:
  * Removed dwg_obj_proxy_get_reactors(), use dwg_obj_get_reactors() instead.
  * Renamed SORTENTSTABLE.owner_handle to SORTENTSTABLE.owner_dict.
  * Renamed all -as-rNNNN program options to --as-rNNNN. ...


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Revealing unknown DWG classes (2)
     posted by reini_urban, Fri 27 Jul 2018 09:55:16 AM UTC - 0 replies

I've added more solver code and a more detailled explanation to the  HACKING file, to find the binary layout of unknown DWG classes, in reference to public docs and generated DXF files. See https://savannah.gnu.org/forum/forum.php?forum_id=9197 for the first part. ...


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Revealing unknown DWG classes
     posted by reini_urban, Fri 13 Jul 2018 10:11:01 PM UTC - 0 replies

I implemented three major buzzwords today in some trivial ways.

  • massive parallel processing
  • asynchronous processing
  • machine-learning: a self-improving program

The problem is mostly trivial, and the solutions also.  I need to
reverse-engineer a binary closed file-format, but got some hints from ...


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Major speedup for big DWG's
     posted by reini_urban, Mon 11 Jun 2018 06:15:49 PM UTC - 0 replies

Thanks to David Bender and James Michael DuPont for convincing me that we need a hash table  for really big DWGs. I got a DWG example with 42MB, which needed 2m to process and then 3m to free the dwg struct. I also had to fix a couple of internal problems. ...


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Older News Approved
Enabled r2018 support posted by reini_urban, Mon 04 Jun 2018 08:40:47 AM UTC - 0 replies
Smokers and mirrors posted by reini_urban, Tue 08 May 2018 04:13:26 PM UTC - 0 replies
New hackers' wiki posted by pitanga, Wed 13 Jan 2010 01:41:11 AM UTC - 0 replies
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