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docs: drop stale duplicate rows merges brought back (dynamic block data, foreign xdata, hatch)

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Brandon Thomas
2026-10-13 06:01:02 -04:00
co-authored by Claude Opus 5.5
parent d80920cc25
commit abe352564e
2 changed files with 0 additions and 4 deletions
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docs/file-format-parity.md
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@@ -93,10 +93,7 @@ early (#175), but the throughput problem remains. **DWG ≈ 30% read, ≈ 15% wr
| Objects: GROUP, MLINESTYLE, MLEADERSTYLE, IMAGEDEF, SCALE | yes | yes (groups #417, scale list #468) | |
| Objects: VISUALSTYLE, PLOTSETTINGS, materials, field objects and other unmodelled objects | kept raw (#528) | written back as read | not editable |
| Foreign xdata, extension dictionaries, reactors, unmodelled objects, colour books | kept raw (#528); an entity's xdata is part of the entity, so COPY, MIRROR, ARRAY and paste keep it on the copies (EXPLODE pieces don't) | written back, handles remapped, references to deleted objects dropped | through DWG: xdata on table records and blocks, entity colour books and reactors, custom-class objects lost (acadrust) |
| Objects: dynamic block data (ACAD_EVALUATION_GRAPH, BLOCK…PARAMETER, BLOCK…ACTION, grips) | read into a model (`dynblock`, `blocks.dynamic`): parameters, visibility states, value sets, stretch and lookup actions; kept raw (#528) | written back as read | not applied to references or editable yet; DWG open and save keep it too (checked with an AutoCAD dynamic block) |
| Objects: dynamic block data (ACAD_EVALUATION_GRAPH, BLOCK…PARAMETER, BLOCK…ACTION, grips) | read into a model (`dynblock`, `blocks.dynamic`): parameters, visibility states, value sets, stretch and lookup actions; references: their dynamic block, values and custom properties (`blocks.reference`, Properties ▸ Custom, read-only); kept raw (#528) | written back as read | values can't be changed yet; DWG open and save keep it too (checked with an AutoCAD dynamic block) |
| Objects: dynamic block data (ACAD_EVALUATION_GRAPH, BLOCK…PARAMETER, BLOCK…ACTION, grips) | read into a model (`dynblock`, `blocks.dynamic`): parameters, visibility states, value sets, stretch and lookup actions; references: their dynamic block, values and custom properties (`blocks.reference`, Properties ▸ Custom, read-only); kept raw (#528) | written back as read; a changed visibility state is written as AutoCAD writes it (a new anonymous block with its `AcDbBlockRepBTag`, the objects' `AcDbBlockRepETag`, the reference's representation data) | visibility states (and lookups that set only them) can be changed (`blocks.reference.set`, Properties ▸ Custom); distances, positions and the actions they drive not yet; DWG open and save keep it too (checked with an AutoCAD dynamic block) |
| Foreign xdata, extension dictionaries, reactors, unmodelled objects, colour books | kept raw (#528) | written back, handles remapped, references to deleted objects dropped | through DWG: xdata on table records and blocks, entity colour books and reactors, custom-class objects lost (acadrust) |
| Handles and owners | entity handles kept; others regenerated | consistent | stable across CADCraft re-saves (#495); other programs' table and object handles renumbered once |
**DXF ≈ 50% read, ≈ 30% write** (estimated; weights: common 2D entities 50%, annotation objects