Densitometer - What is it and how can it help me?

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dvack92
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Postby dvack92 » Wed Dec 26, 2001 10:43 pm

I have read the manual and have a vague understanding of the Densitometer.

Can someone explain, in idiot's terms, what it is and how it can help me?

Thanks,

Chris

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Postby LSI_Support » Thu Mar 07, 2002 4:37 pm

Multiple Densitometer
The ability to display up to 4 denistometers is now possible with SilverFast 5. This allows 4 unique measurements of the image to be displayed simultaneously.


Multiple Densitometer-Pipette

In SilverFast AI 5 lassen lassen sich im Preview jetzt vier Densitometer-Punkte setzen, deren Werte unabh?ngig voneinander in vier korrespondierenden Densitometer-Fenstern angezeigt werden. Die verf?gbaren Farbr?ume sind hierbei frei w?hlbar

<font size=-1>[ This Message was edited by: LSI_Glet on 2002-03-20 11:36 ]</font>

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LSI_Flyvbjerg
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Postby LSI_Flyvbjerg » Fri Mar 08, 2002 9:06 am

Chris,

If you are asking for the basic meaning of the densitometer, here is a brief description:

When you move the mouse over the prescan, you can see the point under the mouse in the densitometer window. The values for this point can be expressed in a certain color space like RGB, CMY, CMYK, LAB, HSL and Gray. Normally you have two columns of numbers. If you f.x. select RGB, you see the original red, green and blue values of this point in the left columns (the values that are uploaded from the scanner). The right column show the resulting RGB values after all corrections in SilverFast (this is what you will get in your scanned images). IF you convert your image into CMYK, you might want to switch to CMYK presentation in the densitometer to control the CMYK output at certain points. The values you get in the densitometer window can be the values of the point directly, if the densitomer radius is one. It can also be an average of the 9 points (3 x 3 matrix) around the point, if the densitometer radius is set to two, or it can be an average the 25 points (5 x 5 matrix) around the mouse point, if the densitometer radius is set to three. The densitometer radius can be set in the option dialog and has a default of two.

I hope that helps

Eric.


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