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authorKarl Berry <karl@freefriends.org>2017-11-26 23:25:50 +0000
committerKarl Berry <karl@freefriends.org>2017-11-26 23:25:50 +0000
commit429dc0fa4f8ccda0a0746211f00ad7d5bdbb6d41 (patch)
tree5ca3cbb4f34fdb9cb8ec472720e3a945bb69513f /Master/texmf-dist/dvips/pst-fractal
parent0fd5cd95c65cdfe2194010958ae552b4b1632bb8 (diff)
pst-fractal (26nov17)
git-svn-id: svn://tug.org/texlive/trunk@45911 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/dvips/pst-fractal')
-rw-r--r--Master/texmf-dist/dvips/pst-fractal/pst-fractal.pro208
1 files changed, 200 insertions, 8 deletions
diff --git a/Master/texmf-dist/dvips/pst-fractal/pst-fractal.pro b/Master/texmf-dist/dvips/pst-fractal/pst-fractal.pro
index 388447fd20f..5493d734a73 100644
--- a/Master/texmf-dist/dvips/pst-fractal/pst-fractal.pro
+++ b/Master/texmf-dist/dvips/pst-fractal/pst-fractal.pro
@@ -1,3 +1,4 @@
+%% $Id: pst-fractal.pro 659 2017-11-26 16:58:16Z herbert $
%%
%% This is file `pst-fractal.pro',
%%
@@ -15,9 +16,9 @@
%% `pst-fractal' is a PSTricks package to draw fractal objects
%%
%%
-%% version 0.02 / 2010-02-10 Herbert Voss <hvoss _at_ tug.org>
+%% version 0.04 / 2017-11-26 Herbert Voss <hvoss _at_ tug.org>
%
-/tx@fractalDict 20 dict def
+/tx@fractalDict 100 dict def
tx@fractalDict begin
%
/tx@Fractal {
@@ -46,7 +47,7 @@ tx@fractalDict begin
/MaxXPixel ED
/MaxY ED /MaxX ED
/MinY ED /MinX ED
- /rPixel 0.5 def
+ /rPixel 1 def
/totMaxIter maxIter dIter mul def
%
/DX MaxX MinX sub def
@@ -83,12 +84,12 @@ tx@fractalDict begin
} repeat
plot{
baseColor x y putPixel
- }{ iter 400 add tx@addDict begin
- ifCMYK { wavelengthToCMYK Cyan Magenta Yellow Black end setcmykcolor
- }{ wavelengthToRGB Red Green Blue end setrgbcolor } ifelse
+ }{ iter 400 add
+ ifCMYK { tx@addDict begin wavelengthToCMYK Cyan Magenta Yellow Black end setcmykcolor
+ }{ tx@addDict begin wavelengthToRGB Red Green Blue end setrgbcolor } ifelse
ifJulia { x y }{ cx cy } ifelse
- putPixel stroke
- }ifelse % Plot point if point is in set
+ putPixel stroke
+ }ifelse % Plot point if point is in set
} for
} for
} def
@@ -129,6 +130,76 @@ tx@fractalDict begin
} repeat
} def
%
+/append {
+% macro de Jean-Paul Vignault
+% extraite de pst-solides3d.pro
+ 3 dict begin
+ /tab2 exch def
+ /tab1 exch def
+ [ tab1 aload pop tab2 aload pop ]
+ end
+} def
+%
+/Rot-90 {
+ 2 dict begin
+ /y exch def /x exch def
+ y
+ x neg
+ end
+} def
+%
+/makeSierVariables {
+ /Pi [1.5 unit 1 unit
+ 1 unit 0.5 unit
+ 1 unit -0.5 unit
+ 1.5 unit -1 unit
+ ] def
+%
+ /P0 Pi def
+ /coefficient 1 def
+ 3 {
+ P0
+ [
+ 0 2 Pi length 2 sub {/i exch def
+ Pi i get Pi i 1 add get Rot-90
+ } for
+ ] /Pi exch def
+ P0 Pi append /P0 exch def
+ } repeat
+%
+/P1 {[
+ 0 2 P0 length 2 sub {/i exch def
+ P0 i get P0 i 1 add get % Rot-90
+ -2 unit coefficient mul add exch
+ -2 unit coefficient mul add exch
+ } for
+] } def
+%
+/P2 {[
+0 2 P0 length 2 sub {/i exch def
+P0 i get P0 i 1 add get Rot-90
+ 2 unit coefficient mul add exch
+-2 unit coefficient mul add exch
+} for
+] }def
+%
+/P3 {[
+0 2 P0 length 2 sub {/i exch def
+P0 i get P0 i 1 add get Rot-90 Rot-90
+ 2 unit coefficient mul add exch
+2 unit coefficient mul add exch
+} for
+] } def
+%
+/P4 {[
+ 0 2 P0 length 2 sub {/i exch def
+ P0 i get P0 i 1 add get Rot-90 Rot-90 Rot-90
+ -2 unit coefficient mul add exch
+ 2 unit coefficient mul add exch
+ } for
+] } def
+} def
+%
/tx@Phyllotaxis { %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \pst@tempA
% \pst@fractal@c
@@ -326,4 +397,125 @@ tx@fractalDict begin
pop pop pop pop { count 0 eq { exit } if appol } loop
} def
%
+/tx@Hugo { %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%Creator: Hugo M. Ayala'89, MIT
+% \pst@fractal@scale
+% \pst@tempA
+% \pst@fractal@maxIter, which is the depth
+% \pst@number\pslinewidth
+% { \pst@usecolor\pslinecolor }
+/setColor ED
+SLW
+/depth ED
+translate
+dup scale
+2 setlinecap
+setColor
+%
+/oldarrayx [0 540 72 72] def
+/oldarrayy [0 396 720 72] def
+%
+/scl .1 def
+%
+realtime srand
+/prorand { rand 32768 div 32768 div 1 sub scl mul} def
+/findrow {8 mul 7 sub sqrt 1 add 2 div truncate} def
+/findindex {dup 1 sub mul 2 div 1 add} def
+/findcolumn {dup findrow findindex sub} def
+/findnewrow {2 mul 1 sub} def
+/findnewcolumn {2 mul} def
+/findarraysize {dup 1 add mul 2 div 1 add} def
+/findnumoflines {dup 1 sub mul 2 div 3 mul} def
+/findnumpoints {dup 1 add mul 2 div} def
+/gtol {2 exch exp 1 add} def
+/fixangle {dup 180 ge {180 sub} if} def
+/backangle {dup 180 ge {180 sub} {180 add} ifelse} def
+/splitline {
+ tpx btx add 2 div /mdx exch def
+ tpy bty add 2 div /mdy exch def
+ tpy bty sub tpx btx sub atan
+ 90 add fixangle
+ /lineangle exch def
+ tpy bty sub dup mul
+ tpx btx sub dup mul
+ add sqrt /linelen exch def
+ prorand linelen mul dup
+ lineangle cos mul mdx add /mdx exch def
+ lineangle sin mul mdy add /mdy exch def
+} def
+%
+/findnewindex{ cvi /oldindex exch def
+ oldindex findrow cvi dup /oldrow exch def
+ findindex oldindex exch sub cvi /oldcolumn exch def
+ oldrow findnewrow cvi dup /newrow exch def findindex
+ oldcolumn findnewcolumn cvi dup /newcolumn exch def add
+ cvi /newindex exch def
+} def
+%
+/drawfractal {
+ 1 1 generation gtol 1 sub findnumpoints {
+ cvi /topindex exch def
+ topindex dup findcolumn exch findrow 1 add findindex add cvi
+ /leftindex exch def
+ leftindex 1 add cvi
+ /rightindex exch def
+ /tpx oldarrayx topindex get def
+ /tpy oldarrayy topindex get def
+ /btx oldarrayx leftindex get def
+ /bty oldarrayy leftindex get def
+ /mdx oldarrayx rightindex get def
+ /mdy oldarrayy rightindex get def
+ tpx tpy moveto
+ btx bty lineto
+ mdx mdy lineto
+ closepath stroke
+ } for
+} def
+%
+1 1 depth {
+ /generation exch def
+ generation gtol findarraysize cvi dup array /newarrayx exch def
+ array /newarrayy exch def
+ 1 1 generation 1 sub gtol findnumpoints {
+ findnewindex
+ newarrayx newindex
+ oldarrayx oldindex get put
+ newarrayy newindex
+ oldarrayy oldindex get put
+ } for
+ 1 1 generation 1 sub gtol 1 sub findnumpoints {
+ findnewindex
+ newcolumn newrow 2 add findindex add cvi dup
+ /leftindex exch def
+ 2 add cvi /rightindex exch def
+ newcolumn newrow 1 add findindex add cvi
+ /mindex exch def
+ /tpx newarrayx newindex get def
+ /tpy newarrayy newindex get def
+ /btx newarrayx leftindex get def
+ /bty newarrayy leftindex get def
+ splitline
+ newarrayx mindex mdx put
+ newarrayy mindex mdy put
+ mindex 1 add cvi /mindex exch def
+ /btx newarrayx rightindex get def
+ /bty newarrayy rightindex get def
+ splitline
+ newarrayx mindex mdx put
+ newarrayy mindex mdy put
+ /mindex leftindex 1 add cvi def
+ /tpx newarrayx leftindex get def
+ /tpy newarrayy leftindex get def
+ splitline
+ newarrayx mindex mdx put
+ newarrayy mindex mdy put
+ } for
+ /oldarrayx newarrayx def
+ /oldarrayy newarrayy def
+ 7 generation sub 5 div setlinewidth
+% drawfractal showpage
+} for
+drawfractal
+} def % end of /tx@Hugo
+%
end