Re: [linux-audio-dev] Knobs / widget design

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Subject: Re: [linux-audio-dev] Knobs / widget design
From: Adam King (aking_AT_lgh.com.au)
Date: Thu Jun 10 2004 - 03:44:23 EEST

> Message: 3
> Date: Thu, 10 Jun 2004 01:40:01 +0200
> From: Benno Senoner <sbenno_AT_gardena.net>
> Subject: Re: [linux-audio-dev] Knobs / widget design
> To: "The Linux Audio Developers' Mailing List"
> <linux-audio-dev_AT_music.columbia.edu>
> Message-ID: <40C79FD1.4030306_AT_gardena.net>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Very nice knobs Thorsten !
> We could use them in LinuxSampler :)
> Rui Nuno Capela has started work on the GUI
> http://www.linuxsampler.org/screenshots.html
> For example the channel strips could use a knob for volume instead of a
> fader
> which would save some space.
>
> Thorsten in what format do you plan to release the knobs ?
> As a serie of pixmaps in various sizes ?
> ( I guess for larger knobs at least 50-100 pixmaps are needed
> to allow for smooth movements).
> Or do you use open source rendering apps thus posting the 3D source file
> with instructions
> how to render the various positions (that would be cool since everyone
> could render their
> own customtailored pixmaps).
>
> let us know, keep up with the good work.
>
> cheers,
> Benno

Hi Benno,

I've played around creating 3D knobs using a combination of Povray, Perl and
gimp-perl. Basically, you create a base file in povray, start gimp-perl
server and then run the Perl script to create incremental images and
convert them to whatever format you need. Some examples are here:

http://members.optusnet.com.au/~adamjking/images/knobs/knobs.htm

The scripting is a quick and dirty hack, but it work for me.

Cheers,
Adam

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