[argyllcms] Re: targen -N
- From: Graeme Gill <graeme@xxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Tue, 13 Sep 2011 17:38:15 +1000
robert korewo wrote:
> -> targen.exe -v9 -d2 -f100 -cpre.conditioned.profile.540.Merged.icm
> _-N5.5_ name
> targen: Warning - Too many nodes are failing to be inserted -
> reshuffling and re-starting
> targen: Error - Failed to re-seed the veronoi after 100 tries - too
> many node insertion failures ?
> targen accept any positive number
>
>
> line 1132
> /* Degree of neutral axis emphasis */
> else if (argv[fa][1] == 'N') {
> fa = nfa;
> if (na == NULL) usage(0,"Expected argument to neutral
> emphasis flag -N");
> nemph = atof(na);
> if (perc_wght < 0.0 || perc_wght > 10.0)
> usage(0,"Neautral weighting argument %f to '-N' is
> out of range",nemph);
> }
Hi, I'm not sure what point you're making here. Make the perceptual
colorspace non-linear enough, and the geometric assumptions break down.
That's the nature of things. (ie. the -N5.5 failed in your particular case.
It won't necessarily fail there in other cases :- it could fail at lower
or higher values. I have no way of predicting this. If you have some way
of predicting this, then you should be writing scholarly articles on
non-Euclidean geometry :-)
Graeme Gill.
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