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Re: Error in the grayscale matrix for feColorMatrix

From: Dean Jackson <dean@w3.org>
Date: Thu, 4 Jul 2002 11:14:52 +1000
To: Jonathan Watt <jonathan@jwatt.net>
Cc: www-svg <www-svg@w3.org>
Message-ID: <20020704011452.GB24088@grorg.org>

On Wed, 03 Jul 2002, Jonathan Watt wrote:

> >JW> The example in section 15.10 demonstrates a filter that is
> >JW> supposed to do a conversion to grayscale, however the matrix given
> >JW> is incorrect. For feColorMatrix the value A' is obtained from:
> >
> >   Where do you read that it is supposed to do a conversion to
> >grayscale?  It is an _EXAMPLE_ of using the matrix form of feMatrix.
> >
> As it doesn't say on the filter or the text element that it is applied 
> to I maybe should have pointed it out. It is the doc's desc that states 
> that it is supposed to be a grayscale filter.

> I think that it does, let me know if you still disagree after reading 
> the desc though.

The text in the <desc> for that filter is a little misleading, I agree. 
We'll "fix" it for the next release.

Received on Wednesday, 3 July 2002 21:13:43 UTC

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