Re: OT: Looking for image file format that can handle 16b its per channel

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#113

From: Paul Richards
Date: Thu, 30 Dec 1999 00:00

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Oliver Kreylos wrote:
> 
> Paul Richards wrote:
> >
> > Victor Wagner wrote:
> > >
> > > Paul Richards <pauldoo@dunvegan1.demon.co.uk> wrote:
> > > : Hi,
> > > : Does anyone know of a simple image file format that I can use that can
> > > : handle 16bits per channel?  In effect producing 48bit colour images?  I
> > > : mean simple in that it'll be easy for me to write the input/output
> > > : routines for in C++.
> > >
> > > ppm
> >
> > PPM can't do 16bits per channel or 16bit greyscale which is what I'm
> > looking for.
> 
> I think it can. The ASCII ppm format is rather flexible. AFAIK, you can
> have arbitrarily large values per channel per pixel, you just should
> give the maximal used value in the "maxValue" field.

ASCII PPM?  What do you mean by that?  The PPM's I currently can make
have the header in ASCII, and they do have a "maxValue" field but the
data is just raw binary.

Could you explain a little further on how these ASCII ones work?
-- 
Paul Richards (Pauldoo) - http://www.pauldoo.co.uk

I've not run any Microsoft code for 2926857 seconds.
    How about you?

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From: Paul Richards <pauldoo@dunvegan1.demon.co.uk>
Subject: Re: OT:  Looking for image file format that can handle 16b its per  channel
Date: 1999/12/30
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