Legend

Answered

Black & White by means of unit of measure

Forum|Forum|7 years ago
December 1, 2018
3 replies
2290 views

How do you paint in Photoshop whereas 5000/1 micrometer/millimeter represents a value of black where for example; 5000 micrometer or 1 millimeter would be a

specific value of black, most likely 32-bit value and anything less then 5000/1 would be lower shade of black or gray ?

This topic has been closed for replies.

Correct answer Norman Sanders

Here are gray values from 100 as indicated. Do you you want to attribute a mm value to each?

(If this is helpful I can send you the actual file rather than this sample. It has greater accuracy.)

Norman SandersCorrect answer

Legend

Here are gray values from 100 as indicated. Do you you want to attribute a mm value to each?

(If this is helpful I can send you the actual file rather than this sample. It has greater accuracy.)

StrongBeaverAuthor

Legend

Do you you want to attribute a mm value to each?

Yes, or micrometer. The value chart is helpful, is this in sRGB values ?

Norman Sanders

Legend

It is a grayscale file which would allow you to Convert to your chosen profile.

PECourtejoie

Community Expert

Hello, Strongbeaver...You always come up with challenging questions!

I guess it is up to you to define the max and min length you have in the chart, then assign values to them.

Maybe draw a gradient from black to white (or vice versa) then use the height to select the value, and perform a linear selection that you then stretch on the entire area.

NB, colourmanagement

Community Expert

Hi

you're going to have to explain that question more s fully I fear.

maybe tell what you are trying to do?

thanks

neil barstow, colourmanagement

StrongBeaverAuthor

Legend

I want to paint black and white values equal to the micrometer or millimeter values. For example, 5000 micrometer would be complete black in Photoshop, I hope that helps to understand ?

davescm

Community Expert

Hi

I still don't understand where these "micrometer or millimeter values" are. Are they in an existing image? Perhaps if you upload an image or section of an image and describe what you want in relation to that image we may be able to help.

Dave

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