newsLibreDWG - News: Enabled r2018 support

 
 
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libredwg-0.6 released [alpha] posted by reini_urban, Mon 13 Aug 2018 09:48:15 AM UTC - 0 replies
Revealing unknown DWG classes (2) posted by reini_urban, Fri 27 Jul 2018 09:55:16 AM UTC - 0 replies
Revealing unknown DWG classes posted by reini_urban, Fri 13 Jul 2018 10:11:01 PM UTC - 0 replies
libredwg-0.5 released [alpha] posted by reini_urban, Thu 05 Jul 2018 05:35:24 AM UTC - 0 replies
Major speedup for big DWG's posted by reini_urban, Mon 11 Jun 2018 06:15:49 PM UTC - 0 replies
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Enabled r2018 support

Item posted by Reini Urban <reini_urban> on Mon 04 Jun 2018 08:40:47 AM UTC.

I finished now reading the remaining DWG formats r2010, r2013 and r2018.
The only DWG read limitations are now:

  • pre-R13: some entities, all blocks
  • r2010+ Some AEC EED (Autodesk Architectural Desktop) objects.
  • Untested: FIELDLIST, AcDbField, TABLECONTENT, TABLEGEOMETRY, GEODATA, WIPEOUTVARIABLE
  • Unhandled (i.e. passed through): MATERIAL, CELLSTYLEMAP, MULTILEADER, PROXY, PROXY_ENTITY, DBCOLOR, PLOTSETTINGS, TABLESTYLE, VBA_PROJECT, DIMASSOC, ACDBSECTIONVIEWSTYLE, ACDBDETAILVIEWSTYLE, ACDBASSOCNETWORK, ACDBASSOC2DCONSTRAINTGROUP, ACDBASSOCGEOMDEPENDENCY, ACDB_LEADEROBJECTCONTEXTDATA_CLASS, NPOCOLLECTION, EXACXREFPANELOBJECT, ARCALIGNEDTEXT (2000+), UNDERLAYDEFINITION (2 strings), OBJECTCONTEXTDATA, AcDbAnnotScaleObjectContextDatax

Writing is only done for r13-r2000 with r2000 being the default format. (I hope).

DXF support is coming. Writing DXF is done, but AutoCAD cannot import it yet, as I write all known fields, handles and references, unlike libdxfrw which only writes a limited set. You cannot map parametric constraints or advanced classes with that.

DXF reading is only planned, as I have to decide yet which strategy to use, with minimal maintenance. It should be a table driven parser, from the dwg.spec.

With the upcoming 0.5 release I"m only waiting on the fencepost permissions on GNU. You can get daily snapshots and windows binaries from the github release page: https://github.com/LibreDWG/libredwg/releases/

Reini Urban

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