![上下文 mptopdf 问题](https://linux22.com/image/278896/%E4%B8%8A%E4%B8%8B%E6%96%87%20mptopdf%20%E9%97%AE%E9%A2%98%20.png)
我对以下文件有问题
input graph
u=0.5cm;
beginfig(0);
draw dashpattern(on 5bp);
picture pa;
pa=currentpicture;
currentpicture:=nullpicture;
draw dashpattern(on 5bp off 2bp);
picture pb;
pb=currentpicture;
currentpicture:=nullpicture;
draw dashpattern(on 1bp off 2bp);
picture pc;
pc=currentpicture;
currentpicture:=nullpicture;
draw dashpattern(on 5bp off 2bp on 1bp off 2bp);
picture pd;
pd=currentpicture;
currentpicture:=nullpicture;
draw dashpattern(on 5bp off 2bp on 5bp off 2bp on 1bp off 2bp on 1bp off 2bp);
picture pe;
pe=currentpicture;
currentpicture:=nullpicture;
draw dashpattern(on 5bp off 2bp on 5bp off 2bp on 1bp off 2bp );
picture pf;
pf=currentpicture;
currentpicture:=nullpicture;
draw dashpattern(on 1bp off 2bp on 1bp off 2bp on 5bp off 2bp );
picture pg;
pg=currentpicture;
currentpicture:=nullpicture;
draw begingraph(6cm,6cm);
glabel.lft(btex Throughput (bps) etex rotated 90, OUT);
glabel.bot(btex sources etex, OUT);
gdraw "thr_olsrmos_20_30_300_0.05_1.txt" withcolor 0.75black dashed pa;
draw (12, 1)*u--(14, 1)*u withcolor 0.75black dashed pa;
label.bot(btex T=1 Delta=0.05 etex scaled 0.5, (13, 1)*u);
label.top(btex OLSR-MOS: etex scaled 0.5, (13, 2)*u);
gdraw "thr_olsr_20_30_300.txt" withcolor 0.75red;
draw (12, 8)*u--(14, 8)*u withcolor 0.75red;
label.bot(btex OLSR etex scaled 0.5, (13, 8)*u);
autogrid(grid.bot,grid.lft) withcolor 0.95white;
frame.llft;
gdraw "thr_olsrmos_20_30_300_0.05_1.txt" withcolor 0.75black dashed pa;
draw (12, 1)*u--(14, 1)*u withcolor 0.75black dashed pa;
label.bot(btex T=1 Delta=0.05 etex scaled 0.5, (13, 1)*u);
label.top(btex OLSR-MOS: etex scaled 0.5, (13, 2)*u);
gdraw "thr_olsr_20_30_300.txt" withcolor 0.75red;
draw (12, 8)*u--(14, 8)*u withcolor 0.75red;
label.bot(btex OLSR etex scaled 0.5, (13, 8)*u);
endgraph;
endfig;
end
有人能帮帮我吗?