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-rw-r--r--graphics/circuit_macros/examples/svg/SierpinskiSVG.m426
1 files changed, 26 insertions, 0 deletions
diff --git a/graphics/circuit_macros/examples/svg/SierpinskiSVG.m4 b/graphics/circuit_macros/examples/svg/SierpinskiSVG.m4
new file mode 100644
index 0000000000..3a014b8a0f
--- /dev/null
+++ b/graphics/circuit_macros/examples/svg/SierpinskiSVG.m4
@@ -0,0 +1,26 @@
+.PS
+# Sierpinski.m4
+gen_init
+ define Sierpinski {
+ if $1 > 0.04 then {
+ d = $1/2-lh
+ shade(1,line from $2+(d/2,d/2*s3+lw*2) right d/2 up d/2*s3 then left d*2 \
+ then right d down d*s3 then right d/2 up d/2*s3 )
+ Sierpinski($1/2,$2-($1/2,0))
+ Sierpinski($1/2,$2+($1/2,0))
+ Sierpinski($1/2,$2+(0,$1*s3/2))
+ }
+ }
+
+ r = 4
+ linethick = 0.2
+ lw = linethick pt__ /2
+ s3 = sqrt(3)
+ lh = lw*s3
+ A: 3,3
+ d = r/2-lh
+ shade(0,line from A+(0,lw) right d then up d*s3 left d then down d*s3 left d\
+ then right d )
+# psset_(linecolor=white)
+ Sierpinski(r/2,A)
+.PE