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Themes

Version 1.7 brings basic support for themes, and 1.9 extends it to include keyboard shortcuts and support for multiple theme files.

Creating and editing themes

  • Look at the Theme class in katrain/gui/theme.py.
  • Make a theme-<yourthemename>.json file in your <home dir>/.katrain directory and specify any variables from the above class you want to override, e.g.
{
 "BACKGROUND_COLOR": [1,0,0,1],
 "KEY_STOP_ANALYSIS": "f10",
 "MISTAKE_SOUNDS": ["jeff.wav","what.wav"]
}
  • All resources (including icons, which can not be renamed for now) will be looked up in <home dir>/.katrain first, so files with identical names there can be used to override sounds and images.
  • If variables are specified in multiple theme files, the latest alphabetically takes precedence. That is, each later theme file overwrites the settings from any previous one.

Expected territory options

  • KaTrain supports different styles of display of expected territory:
    • Blended style colors the board with an intensity proportional to the likelihood of a player controlling that territory at the end of the game.
    • Shaded style behaves the same as Blended, but uses square shades similar to the Katago paper.
    • In the Marks style, each point of the board is marked with a square of size which is proportional to ownership likelihood.
    • The Blocks style divides the whole board into black, white, and neutral territory, based on a likelihood threshold. This style is appropriate as a counting aid, but may be misleading before endgame if much of the territory is unsettled.
  • Marks can also appear on stones to indicate the likelihood of these stones living at the end of the game. Three styles are supported:
    • All stones can be marked, with the color of the mark indicating the expected ownership and the size of the mark indicating certainty.
    • Weak stones only - marks will appear only on stones which are over 50% likely to die before the end of the game.
    • No stone marks.
  • Stones can also be made transparent based on their strength.

Blended style, all stones marked
Shaded style, all stones marked

Territory blocks, no stones marked
Blended territory, weak stones marked

Marks on intersections, weak stones marked
Shaded, no stone alpha

The game used in the screenshots is Albert Yen vs. Eric Yoder.

The stone marks, transparency, and territory style are independent; the table above presents a collection of possible variants. The relevant variables are:

{
    "TERRITORY_DISPLAY" : "blended" | "shaded" | "marks" | "blocks",
    "STONE_MARKS" : "all" | "weak" | "none",
    "OWNERSHIP_COLORS" : {"B": [0.0, 0.0, 0.10, 0.75], "W": [0.92, 0.92, 1.0, 0.800]},
    "BLOCKS_THRESHOLD" : 0.6,
    "MARK_SIZE" : 0.42,  # as fraction of stone size
    "STONE_MIN_ALPHA" : 0.5
}

The colors are specified as RGB values and a maximum alpha transparency.

Installation

  • To install a theme, simply unzip the theme.zip to your .katrain folder.
    • On Windows you can find it in C:\Users\you\.katrain and on linux in ~/.katrain.
    • When in doubt, the general settings dialog will also show the location.
  • To uninstall a theme, remove theme.json and all relevant images from that folder.

Available themes

Alternate board/stones theme by "koast"

Download

Lizzie-like theme

  • Theme created by Eric W, includes modified board, stones
  • Images taken from Lizzie by featurecat and contributors.
  • Hides hints for low visit/uncertain moves instead of showing small dots.

Download

Milos Theme

  • Clean and crisp display.
  • Blocks for territory, textureless evaluation markers, no dots/alpha/etc with redundant ownership/strength info.
  • Resembles AI Sensei's design.

Download

Jeff sounds

  • This theme makes Jeff comment Ahhh? and What?! when you make mistakes.
  • Sounds provided by Mikkgo.

Download