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%% $Id: pstricks-add.pro 6 2007-12-29 21:41:43Z herbert $ |
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% PostScript prologue for pstricks-add.tex. |
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% Version 0.20, 2008/01/01 |
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% For distribution, see pstricks.tex. |
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% |
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% HISTORY -> see file Changes |
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% |
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/tx@addDict 410 dict def tx@addDict begin |
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%% |
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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/GTriangle { |
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gsave |
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/mtrx CM def |
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/colorA ED /colorB ED /colorC ED % save the colors |
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/yA ED /xA ED % save the origin |
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xA yA translate |
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rotate % \psk@gangle |
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/yB ED /xB ED /yC ED /xC ED % save other coordinates |
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/ds [ % save data in a array |
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0 0 0 colorA aload pop % fd x y xr xg xb |
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0 xB xA sub yB yA sub colorB aload pop |
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0 xC xA sub yC yA sub colorC aload pop |
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% 1 xC xB add yB colorA aload pop % for use with 4 points ABCD |
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] def |
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newpath |
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<< |
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/ShadingType 4 % single Gouraud |
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/ColorSpace [ /DeviceRGB ] |
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/DataSource ds |
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>> |
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shfill |
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closepath |
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mtrx |
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setmatrix grestore} def |
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% |
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/RGBtoCMYK { % on stack r g b |
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3 dict begin |
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/Blue ED /Green ED /Red ED |
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1 Red sub % Cyan |
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1 Green sub % Magenta |
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1 Blue sub % Yellow |
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0 % Black |
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end |
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} def |
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% |
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/CMYKtoGRAY { % c m y k on stack |
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exch 0.11 mul add |
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exch 0.59 mul add |
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exch 0.3 mul add |
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dup 1 gt { pop 1 } if |
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neg 1 add |
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} def |
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% |
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/RGBtoGRAY { |
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0.11 mul |
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exch 0.59 mul add |
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exch 0.3 mul add |
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} def |
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% |
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/HSBtoGRAY { |
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6 dict begin |
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/b exch def |
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/s exch def 6 mul dup cvi dup |
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/i exch def sub |
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/f exch def |
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/F [[0 1 f sub 1][f 0 1][1 0 1 f sub][1 f 0][1 f sub 1 0][0 1 f][0 1 1]] def |
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F i get { s mul neg 1 add b mul} forall |
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0.11 mul |
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exch 0.59 mul add |
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exch 0.3 mul add |
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end |
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} def |
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% |
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%% convertisseur longueur d'onde ->R,G,B Manuel Luque |
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%% lambda max=780 nanomètres |
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%% lambda min=380 nanomètres |
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%% adaptation de : |
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%% http://www.physics.sfasu.edu/astro/color.html |
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%% www.efg2.com/lab |
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% |
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/Gamma 0.8 def |
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/calculateRGB { |
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lambda 379 le {/Red 0 def /Green 0 def /Blue 0 def} if |
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lambda 781 ge {/Red 0 def /Green 0 def /Blue 0 def} if |
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lambda 380 ge {lambda 439 le { |
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/R {lambda 440 sub neg 440 380 sub div} def |
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/Red R factor mul Gamma exp def |
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/G 0 def |
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/Green G factor mul Gamma exp def |
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/B 1 def |
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/Blue B factor mul Gamma exp def} if |
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} if |
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lambda 440 ge { lambda 489 le { |
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/G {lambda 440 sub 490 440 sub div} def |
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/Green G factor mul Gamma exp def |
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/R 0 def /Red 0 def |
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/B 1 def |
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/Blue B factor mul Gamma exp def } if |
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} if |
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lambda 490 ge {lambda 509 le { |
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/B {lambda 510 sub neg 510 490 sub div} def |
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/Blue B factor mul Gamma exp def |
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/R 0 def /Red 0 def |
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/G 1 def |
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/Green G factor mul Gamma exp def } if |
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} if |
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lambda 510 ge {lambda 579 le { |
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/R {lambda 510 sub 580 510 sub div } def |
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/Red R factor mul Gamma exp def |
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/Blue 0 def |
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/G 1 def |
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/Green G factor mul Gamma exp def } if |
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} if |
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lambda 580 ge {lambda 644 le { |
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/G {lambda 645 sub neg 645 580 sub div } def |
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/Green G factor mul Gamma exp def |
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/Blue 0 def |
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/R 1 def |
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/Red R factor mul Gamma exp def } if |
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} if |
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lambda 645 ge { lambda 780 le { |
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/Red 1 factor mul Gamma exp def |
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/Blue 0 def |
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/Green 0 def } if |
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} if |
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} def |
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% |
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/factor { |
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lambda 380 ge {lambda 419 le { 0.3 0.7 lambda 380 sub mul 420 380 sub div add} if } if |
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lambda 420 ge {lambda 700 le { 1 } if } if |
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lambda 701 ge {lambda 780 le { 0.3 0.7 780 lambda sub mul 780 700 sub div add} if } if |
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} def |
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% |
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/wavelengthToRGB { % the wavelength in nm must be on top of the stack |
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cvi /lambda exch def % no floating point here |
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calculateRGB |
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} def % now the colors are saved in Red Green Blue |
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% |
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/wavelengthToCMYK { % the wavelength in nm must be on top of the stack |
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cvi /lambda exch def % no floating point here |
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gsave |
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calculateRGB Red Green Blue RGBtoCMYK |
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/Black ED /Yellow ED /Magenta ED /Cyan ED |
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grestore |
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} def % now the colors are saved in Cyan Magenta Yellow Black |
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% |
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/axfill { |
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8 dict begin |
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/xw exch def /nl exch def |
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/C1 exch def /y1 exch def/x1 exch def |
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/C0 exch def /y0 exch def/x0 exch def |
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<< /ShadingType 2 |
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/ColorSpace /DeviceRGB |
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/Coords [ x0 y0 x1 y1 ] |
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/EmulatorHints [ xw 2 div dup ] |
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/Function << |
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/FunctionType 2 |
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/Domain [0 1] |
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/C0 C0 |
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/C1 C1 |
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/N 1 |
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>> |
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>> shfill |
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end |
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} bind def |
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end |
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% |
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% END pstricks-add.pro |
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