diff options
Diffstat (limited to 'info/examples/lgc2/4-2-8.mp')
-rw-r--r-- | info/examples/lgc2/4-2-8.mp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/info/examples/lgc2/4-2-8.mp b/info/examples/lgc2/4-2-8.mp new file mode 100644 index 0000000000..84f0c8b546 --- /dev/null +++ b/info/examples/lgc2/4-2-8.mp @@ -0,0 +1,22 @@ +% --- start of displayed preamble in the book --- +input graph +% --- end of displayed preamble in the book --- +defaultfont:="ptmr8r"; +warningcheck:=0; +beginfig(1) +path s; numeric x,y; +draw begingraph(2.5in,1.75in); +gdata ("students.dat",c, + x:=(scantokens c1) * 12; + y:=(scantokens c2); + augment.s((x-5,0)-- + (x-5,y)-- (x+5,y)-- + (x+5,0)); + if y < 0: glabel.top(c2,(x,0)); fi + if y > 0: glabel.bot(c2,(x,0)); fi +); +gfill s--cycle withcolor .5white; +frame.llft; +endgraph; +endfig; +end; |