Sunday, March 25, 2012

How type in Devanāgarī

The Devanāgarī-QWERTY keyboard layout is designed to ease the process of typing in the Devanāgarī script for those using Roman-alphabet. Wherever possible, Devanāgarī letters are mapped to similar Roman-alphabet keys. The layout is quite simple and consisent, with only a few exceptions.
Consonants:
* Most keystrokes type a single full syllable (with inherent "a" vowel):
    t = त | d = द | n = न | s = स
* The Shift-key usually imply aspiration, or alternate nasals/sibilants:
    T = थ | D = ध | N = ण | S = श
* The AltGr-key(⌥) (Option in Mac OS, Ctrl+Alt or Right-Alt in Windows) allows access to Retroflex consonants, as well as additional nasals/sibilants. Again, adding the Shift-key usually implies aspiration or alternate nasals/sibilants:
    (AltGr-key) t = ट | D = ढ | ñ = ञ | S = ष
Vowels:
* Vowel keys typically represent post-consonantal forms. The Shift-key allows access to long forms:
    t + i = त + ि = ति | d + I = द + ी = दी
* The AltGr-key(⌥) (Option in Mac OS, Ctrl+Alt or Right-Alt in Windows) allows access to full vowel forms:
    (AltGr-key) a = अ | A = आ | e = ए | E = ऐ
Special Characters, Conjuncts, and Shortcuts:
* Common characters like the Anusvara, Visarga, Virama, Avagraha, and Danda can be accessed using the following keys:
    M = ं | H = ः | f = ् | (AltGr-key) ' = ऽ
    . = । | (AltGr-key) >   = ॥
* Consonantal Conjuncts can be formed by placing a Virama in between each consonant in the conjunct:
    t + f + v = त + ् + व = त्व
* Several common letters and conjuncts can be accessed through shortcuts:
    x = ष | X = क्ष | (AltGr-key) s = श्र | (AltGr-key) j = ज्ञ
Roman Letters:
Should you need quick access, the Caps Lock key will allow you to type in the Roman alphabet. Pressing Shift while Caps Lock is active will allow you to type in Roman capitals.

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