SectionPage History early dasher

History of Dasher

Who's who

Dasher on ipaq

Versions of Dasher

The principal working versions of Dasher are as follows:
Version 1.*.* - C and tcl - for linux and windows desktops.
Uses ppm as the language model. Driven by mouse.
written by David Ward.
Version 1.*.* supports several European languages and Japanese (Hiragana). English version can support capital letters and lower case. This version's language model can be instructed both by loading an example input file and by loading a dictionary of valid spellings.
C - for pocket PC
Driven by stylus on touch-screen.
written by David Ward.
This version includes capital letters, numbers, and a number of punctuation characters. Only English is supported.
Version 2.*.* - C - for linux and windows desktops
Version 2.*.* supports English, upper and lower case, punctuation and numbers. It will be released as Open Source, as version 3, in late Summer 2002.
Eye-Dasher
dasher + Eye-tracker
Driven by mouse that is controlled by eyetracker.
written by David Ward.
Daishoya (JDasher)
Japanese-language version of Dasher (Hiragana) - included in the C and tcl version
tcl - Original prototype
Demonstrates the relationship to arithmetic coding; includes a crude bigram language model.
written by David MacKay.
Runs on all platforms that support tcl (linux, windows, some browsers).

A more detailed history of Dasher is available on request from David MacKay.

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