adding abstractions and helpfiles

svn path=/trunk/; revision=3647

1 files changed, 125 insertions, 0 deletions

diff --git a/externals/gridflow/pd_examples/epicycloid.pd b/externals/gridflow/pd_examples/epicycloid.pd
new file mode 100644
index 00000000..c1589de9
--- /dev/null
+++ b/externals/gridflow/pd_examples/epicycloid.pd
@@ -0,0 +1,125 @@
+#N canvas 443 76 1178 736 10;
+#X text 18 93 epicycloid;
+#X text 18 116 x(t) = (R+r) cos(t) - p*cos((R+r)t/r);
+#X text 18 140 y(t) = (R+r) sin(t) - p*sin((R+r)t/r);
+#X obj 38 383 #draw_polygon put 1;
+#X obj 287 438 #import ( 4 2 );
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+#X msg 327 404 \$2 \$1 \$4 \$1 \$4 \$3 \$2 \$3;
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+#X text 357 352 x+1;
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+#X text 439 52 t = valeur en angles de 0 a 360;
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+#X obj 420 250 expr ($f2+$f3)*sin($f1) - $f4*sin(($f2+$f3)*$f1/$f3)
+;
+#X obj 333 212 expr ($f2+$f3)*cos($f1) - $f4*cos(($f2+$f3)*$f1/$f3)
+;
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+#X text 406 19 reset count;
+#X text 129 231 reset image;
+#X text 540 126 r = Rayon du deuxieme cercle -100 a 100;
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+#X msg 102 292 230 224 0;
+#X msg 15 232 300 300 3 # 0;
+#X text -22 -72 Copyright 2004 Alexandre Castonguay;
+#X text -22 -85 epicycloid.pd;
+#X text 80 204 start with a blank \, black image;
+#X text 727 158 deuxieme cercle - 150 a 150;
+#X text 727 143 p = distance du centre du;
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