TechDraw Roadmap: Difference between revisions

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Here is a rough roadmap of areas to be addressed in the [[TechDraw_Workbench|TechDraw Workbench]] in 2023.
<!--T:1-->
The TechDraw workbench is still very much a work in progress. Not all functions are available, and not all functions work correctly. Here is a rough roadmap of areas to be addressed (in no particular order).


===Coming Soon=== <!--T:2-->
===Current Activity===
* refactoring code into more maintainable pieces


===Primary Focus for 2023===
<!--T:3-->
* improvements to ProjectionGroup dialogue, including activation of the 3D button
* fixes to ViewSection.
* improve ViewDetail behaviour near object edges


There are 2 main areas to be addressed in 2023:
* conversion between drawing geometry and model geometry
** these conversions are scattered throughout the code
** the most visible impact is the difficulty in specifying cosmetic geometry
** cosmetic vertex/edge/centerline now rotates with the parent view.


* the "lesser topological naming problem"
===Drawing Tools=== <!--T:4-->
** primarily making dimensions survive the renaming of reference geometry
*** Phase1 (reference geometry has a new name, but still exists) implemented by [https://github.com/FreeCAD/FreeCAD/pull/8989 PR #8989]
*** First attempt at Phase2 (handling situation where reference geometry has legitimately changed) stalled. Rethinking.
** also affects face hatching
** also affects edge appearance attributes


===Work Completed in 2023===
* remove redundant edges from HLR result PR #9280
* dimension reference name change handling PR #8989
* RichTextAnnotation fix text size & position in svg export PR #10019
* improve SVG hatch drawing speed PR #9995 and PR #9885
* add large ANSI format templates PR #9825
* fix precision errors in 3d window direction/orientation PR #9577
* add shaft/hole fit annotation PR #8455
* add ANSI Y14.5 compatible font PR #8198
* Replacement for Qt XMLPatterns [https://github.com/FreeCAD/FreeCAD/pull/9104 PR #9104] (Thanks Werner!)
* zoom improvements PR #10547, #10456
* hatch speed improvements PR #9995, #9985


===Other Items for 2023===
<!--T:5-->
These items would be nice to address in 2023:
This includes the ability to add leaders, callouts and detail highlights to Views.
* drawing overlay
** allow graphics to be added to a drawing page as on a transparent overlay in traditional drafting. This will build on the [https://github.com/WandererFan/FreeCAD/tree/SymbolsAndTraces SymbolsAndTraces] research project and @Evgeniy's schematic workbench.


===Drawing Resolution=== <!--T:6-->


===Work Completed in 2022===
These items were implemented in 2022:
* Navigation modes
* New face detection algorithm
* PrintAll function
* Bitmap hatching fix
* Extension line gaps
* Section dialog live/deferred update option (implemented as part of complex section)
* Convert all templates to "plain svg" (implemented for latin script templates)
* View stacking order
* Use separate thread for hidden line removal, face finding, section and detail cuts
* replace ActiveView Svg creation with simple screen capture
* complex section views
* easier dimensions from 3d geometry
* simple dimension reference repair dialog


===2022 Plan Items Not Completed===
<!--T:7-->
These items are still on the infamous TODO list. They will be worked on as and if time allows.
In some situations, drawings use 1mm as the pixel size. This is why embedded images are not very high quality. Fixing this is a big job, but would simplify hatching/shading as well as improving images.
* Projection group dialog upgrade including live/deferred update option
* Ability to specify file preferences as relative paths [https://github.com/FreeCAD/FreeCAD/issues/6707 6707]
* ability to specify units by dimension or page instead of system wide.
* weld symbol upgrades including ISO/AWS symbology and help text [https://github.com/FreeCAD/FreeCAD/issues/6313 6313]
* ordinate dimensions [https://github.com/FreeCAD/FreeCAD/issues/6587 6587]
* broken view [https://github.com/FreeCAD/FreeCAD/issues/5694 5694]
* improved handling of Draft/Arch objects
* include sketcher points in drawings
* Feature Control Frames (GD&T)
* Threaded hole representation


===Internal View Consistency=== <!--T:8-->


{{TechDraw Tools navi{{#translation:}}}}

{{Userdocnavi{{#translation:}}}}
<!--T:9-->
[[Category:Roadmap{{#translation:}}]]
It is not currently possible to create a Detail from a Section or a MultiView due to internal differences. Changes here would allow any View type to be a BaseView.

===Documentation=== <!--T:10-->


<!--T:11-->
The wiki entries for TechDraw are very sparse and need to be expanded considerably. *** several wiki entries have recently been updated.

===Geometry Changes/Topological Naming=== <!--T:12-->


<!--T:13-->
Dimensions can be adversely affected by geometry changes - both in the 2D drawing and the 3D model. This is related to the widely discussed "topological naming" problem.

===Python Bindings===


The python bindings for basic TechDraw functions have fallen behind the C++ functions. The python routines need to be reviewed and brought up to date.

===Bug Fixes/Feature Requests=== <!--T:16-->


<!--T:17-->
* an alternative to SVG base face hatching has be suggested by @triplus and is being investigated

===Recent Changes/Known Problems=== <!--T:18-->


<!--T:19-->
* a second page has been added to Preferences.


<!--T:20-->
[[Category:User Documentation]]
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Latest revision as of 12:45, 12 September 2023


Here is a rough roadmap of areas to be addressed in the TechDraw Workbench in 2023.

Current Activity

  • refactoring code into more maintainable pieces

Primary Focus for 2023

There are 2 main areas to be addressed in 2023:

  • conversion between drawing geometry and model geometry
    • these conversions are scattered throughout the code
    • the most visible impact is the difficulty in specifying cosmetic geometry
    • cosmetic vertex/edge/centerline now rotates with the parent view.
  • the "lesser topological naming problem"
    • primarily making dimensions survive the renaming of reference geometry
      • Phase1 (reference geometry has a new name, but still exists) implemented by PR #8989
      • First attempt at Phase2 (handling situation where reference geometry has legitimately changed) stalled. Rethinking.
    • also affects face hatching
    • also affects edge appearance attributes

Work Completed in 2023

  • remove redundant edges from HLR result PR #9280
  • dimension reference name change handling PR #8989
  • RichTextAnnotation fix text size & position in svg export PR #10019
  • improve SVG hatch drawing speed PR #9995 and PR #9885
  • add large ANSI format templates PR #9825
  • fix precision errors in 3d window direction/orientation PR #9577
  • add shaft/hole fit annotation PR #8455
  • add ANSI Y14.5 compatible font PR #8198
  • Replacement for Qt XMLPatterns PR #9104 (Thanks Werner!)
  • zoom improvements PR #10547, #10456
  • hatch speed improvements PR #9995, #9985

Other Items for 2023

These items would be nice to address in 2023:

  • drawing overlay
    • allow graphics to be added to a drawing page as on a transparent overlay in traditional drafting. This will build on the SymbolsAndTraces research project and @Evgeniy's schematic workbench.


Work Completed in 2022

These items were implemented in 2022:

  • Navigation modes
  • New face detection algorithm
  • PrintAll function
  • Bitmap hatching fix
  • Extension line gaps
  • Section dialog live/deferred update option (implemented as part of complex section)
  • Convert all templates to "plain svg" (implemented for latin script templates)
  • View stacking order
  • Use separate thread for hidden line removal, face finding, section and detail cuts
  • replace ActiveView Svg creation with simple screen capture
  • complex section views
  • easier dimensions from 3d geometry
  • simple dimension reference repair dialog

2022 Plan Items Not Completed

These items are still on the infamous TODO list. They will be worked on as and if time allows.

  • Projection group dialog upgrade including live/deferred update option
  • Ability to specify file preferences as relative paths 6707
  • ability to specify units by dimension or page instead of system wide.
  • weld symbol upgrades including ISO/AWS symbology and help text 6313
  • ordinate dimensions 6587
  • broken view 5694
  • improved handling of Draft/Arch objects
  • include sketcher points in drawings
  • Feature Control Frames (GD&T)
  • Threaded hole representation