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-profile is not restricting the total ink density to the limit of the profile

Posted: 2015-08-04T04:04:54-07:00
by alpha2omega
Hey,
I'm trying to limit the total ink density of a CMYK colour space tiff to 240%.
I tried

convert original.tiff -profile profile.icc limitedInkDensity.tiff

but it does not change the total ink density which I checked using

identify -verbose limitedInkDensity.tiff

I have also tried to remove all existing profiles on the tiff before adding the new one using the following command

convert original.tiff +profile "*" -profile profile.icc limitedInkDensity.tiff

but this didn't help.

I'm using ImageMagick-6.9.1-Q16

[Edit] I have also tried setting the -black-point-compensation using

convert original.tiff -black-point-compensation -profile profile.icc limitedInkDensity.tiff

Hope you can help

Thanks

Re: -profile is not restricting the total ink density to the limit of the profile

Posted: 2015-08-04T08:49:19-07:00
by fmw42
I am not a photographer or printer, but I do not think any of the above will control ink density. The only possible way that I can think might work is to dither the image.