[Haskell-cafe] lib for drawing with mouse

amindfv at gmail.com amindfv at gmail.com
Tue Mar 3 12:46:32 UTC 2020

Hoodle is a program that does items 1-3, though you have to work in its file format.

> El 1 mar 2020, a las 14:44, mechvel at scico.botik.ru escribió:
> Please,
> does there exist a tool (library) in Haskell that supports doing the following
> with graphics?
> (1) To draw a curve by mouse on a screen and save this picture in a file
>    (many different curves to be input this way).
> (2) To save in  data.txt  the coordinates of the points of this curve,
>    say, 800 pairs of numbers (floating point or rational ...).
> (3) Reversely: to draw a curve on a screen by inputting from such  data.txt.
> The main is (1)&(2). Because currently I set a curve by putting many times the
> '*' character and `space' to a text file, and this takes long.
> Thanks,
> ------
> Sergei
> _______________________________________________
> Haskell-Cafe mailing list
> To (un)subscribe, modify options or view archives go to:
> http://mail.haskell.org/cgi-bin/mailman/listinfo/haskell-cafe
> Only members subscribed via the mailman list are allowed to post.

More information about the Haskell-Cafe mailing list