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Managing Color in PowerCADD
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Full Article : Free - Enjoy With Our Compliments
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Requisites : PowerCADD 2000
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Description :
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Managing color is a balance of input (what you see on
screen) with output (what you print on a color output
device). Although this process is highly subjective, there
are some definitive "mechanical" facts which, when
understood and handled correctly can help produce
consistent, repeatable results..
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Additive Color (Light): Computer monitors display colored
light using an Additive Color Process of red , green and blue
light (RGB). For Example: to make a particular appear 'more
red', more red light is 'added'.
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Subtrative Color (Pigments): Printers use pigments such as
paints, dyes, inks, and natural colorants to create color.
Pigments absorb some wavelengths of light and reflect(or
transmit) others. This process is a Subtractive process based
upon 3 colors: Cyan, Magentia & Yellow (CMY). For Example:
to make a color appear 'more red', all colors except red are
'subtracted' and more red is 'reflected'. Printers use one
additional color, Black (k) to create additional richness to the
output in a4 color (CMYK) process.
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PowerCADD and the Mac OS provide the tools and
functions to assist you in controlling the color process.
Like everything else, planning and preparation are
fundamental. This How To describes simple steps to
make the whole process easier and more predictable.
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IMPORTANT
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Color Gamut: The range of colors a device (monitor, printer,
scanner, camera, etc) is capable of reproducing is referred to
as gamut. All devices have different color gamuts.
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No two monitors render colors the same.
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No two printers print color the same.
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No two batches of color printer ink or paper are the
same.
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Overview:
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What is seen on screen is a graphical representation of
a computer drawing database of color fields containing
numerical values. The results of the color numerical
values are displayed on screen as Red Green Blue
(RGB) colored light.
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When printing, the results of these same numeric values
are interpreted into Cyan, Magenta, Yellow and Black
(CMYK) colored pigments.
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The Mac OS has provided significant automatic "color
tuning" in the development of ColorSync. ColorSync
provides color conversion tables to sychronize the color
light you seeon the screen and the color pigment you
get in print. The Mac OS Help files contain valuable
information to help you understand the nuances of color
managment.
1_Choose Apple Menu -> Control Panels ->
ColorSync
2_ Click on the ? mark in the top left corner of the
ColorSync dialogue.
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PowerCADD provides simple tools and functions to
manage, edit, change, and store color values very
comprehensively. The "Managing Color in PowerCADD"
folder contains several standalone How To's to assist
you in understanding how color works in PowerCADD.
The How To steps are easy. Understanding these How
To's will help remove some of the "mystery" so you can
see and manage color in a "new light".
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http://www.caddpower.com
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feedback@caddpower.com
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