gp_toolbox/README.md

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# GP toolbox
Blender addon - Various tool to help with grease pencil in animation productions.
**[Download latest](https://gitlab.com/autour-de-minuit/blender/gp_toolbox/-/archive/master/gp_toolbox-master.zip)**
**[Demo video](https://www.youtube.com/watch?v=Htgao_uPWNs)**
**[Readme Doc in French (Documentation en Français et plus détaillée)](README_FR.md)**
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## Description
<!-- ![pseudo color demo](https://github.com/Pullusb/images_repo/blob/master/GPT_pseudo_tint.gif)
*In this demo F9 is pressed to call the "redo panel" and modify the hue offset with constant update* -->
In sidebar (N) > Gpencil > Toolbox
<!-- - Pseudo tint color : Tints each GP layer of selected GP objects with a pseudo random tints to quickly identify which lines belong to which layer.
/!\ Using this will override the tint and tint factor on your layer (so they will be lost if you used it for a specific layer) -->
## Addon preferences
important point of addon preferences:
Set path to the palette folder (there is a json palette IO but you an also put a blend and use a blend importer)
Note about palette : For now the importer is not working with linked palette as it's not easy for animator (there are properties of the material you cannot access and the link grey-out fade the real color in UIlist preview)
### Environnement Variables
> Mainly for devellopers to set project environnement
Since 1.5.2, following _environnement variable_ can set the project properties in toolbox preferences at register launch:
`RENDER_WIDTH` : resolution x
`RENDER_HEIGHT` : resolution y
`FPS` : project frame rate
`PALETTES` : path to the blends (or json) containing materials palettes
`BRUSHES` : path to the blend containing brushes to load
`PREFIXES` : list of prefix (comma separated uppercase letters between 1 and 6 character, ex: 'AN,SP,L')
`SUFFIXES` : list of suffixes (comma separated uppercase letters of 2 character, ex: 'OL,UL')
`SEPARATOR` : Separator character to determine prefixes, default is '_' (should not be a special regex character)
### Expose native functionnality
The panel expose some attributes that are too "far" in the UI:
- Zoom 1:1 - Camera view take 100% zoom according to current scene resolution (ops `view3d.zoom_camera_1_to_1`)
- Zoom fit - Adjust view so camera frame takes full viewport spac (ops `view3d.view_center_camera`)
<!-- - autolock layer - tick layers'autolock -->
- In Front - the `In Front` property of the object to get an X-ray view
- passepartout camera - enable/disable + set opacity
- button and sliders to enable / disable / set opacity of single background camera images
**Edit line opacity** - Il est pratique de pouvoir cacher l'edit line pour avoir un meilleur aperçu du rendu lors du sculpt par exemple. C'est une option lié au layer. Ce slider appelle une fonction pour affecter tout les layers de tout les objets au lieu de se cantonner au layer courant.
### Passive action
An "on save" Handler that trigger relative remap of all path can be enabled in addon prefs (disabled by default).
### function
- Mirror flip : If in cam view flip the camera X scale value (you can see and draw mnirrored to see problems)
<!-- - Overlay toggle : (toggle pref and overlay) -->
- quick access to scene camera passepartout toggle and opacity
- quick access to scene camera background images visibility with individual references toggle.
- Basic playblast and viewport playblast:
- dedicated resolution percentage value
- can auto launch and/or auto open folder at finished (option in addon preferences)
- Jump to GP keyframe :
- Choose key to Auto bind in addon prefs (since 0.9.3).
> Manual setup: Add two keymap shortcut in _windows_ or _screen(global)_ with indentifier `screen.gp_keyframe_jump`, one should have `next` toggled off to jump back
- GP paint cutter tool temporary switch shortcut
- Map manually to a key with `wm.temp_cutter` (This one needs "Any" as press mode) or `wm.sticky_cutter` (Modal sticky-key version)
- Snap cursor to GP canvas operator accessible with `view3d.cusor_snap`
- Map nanually (might be autoreplaced according to version) by replacing entry using `view3d.cursor3d` in 3D View category (defaut shortcut `Shift + Right-clic`)
- Follow cursor toggle : When activated the cursor follow the active the active object
- [breakdowner operator for object mode](https://blenderartists.org/t/pose-mode-animation-tools-for-object-mode/1221322), auto-keymap on : Shift + E
- Line extender help closing gaps between lines with control over layer target (-> need also control over frame targets)
- GP copy paste : world space cut-copy-paste (bake strokes). `Ctrl + Shift + X/C/V`
Store strokes in os'clipboard (easier cross blend copy)
cutting is use a more user friendly (leave boundary points of left strokes untouched).
Also Possible to copy whole selected layers.
<!-- - Auto update : you have an updater in the addon preference tabs (use the [CGcookie addon updater](https://github.com/CGCookie/blender-addon-updater)) -->
**Palette management**
In material submenu you have mutliple new entry:
- Copy Materials To Selected : copy all material to other selected GP (difference with Ctrl+L > materials is that it doesn't erase materials, only append those that are not in other's materials stack)
- Load/Save Json palette : Save/load materials externally to a json file from/to the active material stack.
- Load Color palette : same as the load above exept it loads directly from a blend file (all the material that the blend contains)
- Clean materials
**Shortcuts**
Viewport:
- Layer Picker from closest stroke in paint mode using quick press on `W` for stroke (and `alt+W` for fills)
- Material Picker (`S` and `Alt+S`) quick trigger, change is only triggered if key is pressed less than 200ms
- `F2` in Paint and Edit to rename active layer
- `Insert` add a new layer (same as Krita)
- `Shift + Insert` add a new layer and immediately pop-up a rename box
- `page up / page down` change active layer up/down with a temporary fade (settings in addon prefs)
- `Shift + E` breakdown animation in object Mode
- `Ctrl + Shift + X/C/V` - Worldspace cut/copy/paste selected strokes/points:
Dopesheet:
- `Ctrl + Shift + X` Cut and send to layer
- `Ctrl + Shift + D` Duplicate and send to layer
Sculpt:
- point/stroke filter shortcut on `1`, `2`, `3` as toggles (similar to edit mode native shortcuts)
### Where ?
Panel in sidebar : 3D view > sidebar 'N' > Gpencil
<!--
## Todo:
- Allow to render resolution from cam name
- Update multi output system:
- use render layers + file outputs instead of batch by tweaking visibility
- BG Playblast enhancement:
- Add a prefs to fallback to "simple" render.
- Settings-io for projects : Rsolution du film, palette folder, render settings...
- expose "tool setting" of canvas handling in sidebar (visible only in draw mode)
- Move automatically view to match GP Front (depending on Gpencil view settings)
- move GP keyframes selection and Object keyframe selection simultaneouly (Already Done by Tom Viguier at [Andarta](https://gitlab.com/andarta-pictures) -->
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Consult [Changelog here](CHANGELOG.md)