Re: Black and White Profiles
Re: Black and White Profiles
- Subject: Re: Black and White Profiles
- From: Steve Kale <email@hidden>
- Date: Wed, 06 Dec 2006 19:40:47 +0000
- Thread-topic: Black and White Profiles
That coupled with black point compensation and white-point scaling.
> From: Jim Rich <email@hidden>
> Date: Wed, 06 Dec 2006 13:15:32 -0500
> To: edmund ronald <email@hidden>, Colorsync list
> <email@hidden>
> Conversation: Black and White Profiles
> Subject: Re: Black and White Profiles
>
> Edmund,
>
> Actually, I have described this procedure numerous times on this list and of
> course in a few books.
>
> You need a densitometer to measure dot area.
>
> In the Photoshop Color Settings Custom Dot Gain Grayscale dialog box there
> are 13 dot area steps.
>
> You create a target with those halftone dot values and print them.
> Then you measure the print.
> Place the values that were derived from the print in that dialog box.
> You will want to take multiple measurement and do some averaging, then some
> prints to verify the results.
>
> That's the basic idea to create a custom grayscale profile.
>
> Jim Rich
>
>
> On 12/6/06 11:41 AM, "edmund ronald" <email@hidden> wrote:
>
>> Maybe someone should bounce this question to Adobe - I thought there
>> would be a tool for integrating sensitometric readings into PS, and
>> that transfer curves were that - or else how did printers do it in the
>> olden days ?
>>
>> Edmund
>
>
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