Colors
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CTAN Search CTAN: Germany USA |
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Statistics |
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Extended translation of the the 5th edition |
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the 7th edition, total of 960 colored pages |
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2nd edition, 212 pages, includes 32 color pages |
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| simulated transparency | defining an alpha channel | |
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| Mixed colors | using cmyk color model | |
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| Colors | Color sequence |
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| Color gradients with pst-slpe |
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| Colors by index | |
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With the \colorseries macro of the package xcolor.sty it is easy to use the colors by an index.
The color is set by linecolor={name!![index]}. The braces are
not needed when using \psset
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| Color gradients with lines | |
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RGB to CMYK Put the following code into your preamble if you cannot change the PostScript code yourself.
\AtBeginDocument{\special{ps:
/setrgbcolor {
1 sub neg /Y exch def
1 sub neg /M exch def
1 sub neg /C exch def
/K 1 def
C K lt { /K C def } if
M K lt { /K M def } if
Y K lt { /K Y def } if
K 1 eq { 0 0 0 }{ % Black 0 0 0 1
/K1 1 K sub def
C K sub K1 div M K sub K1 div Y K sub K1 div } ifelse
K setcmykcolor
} def
}}
RGB to GRAY
Put the following code into your preamble if you cannot change the PostScript code yourself.
\AtBeginDocument{\special{ps:
/setrgbcolor { 0.07 mul exch 0.71 mul add exch 0.21 mul add setgray } def
}}