Mojca, Doesn't compile at my end:
This is MetaPost, Version 0.901 (Web2C 7.5.5) (/usr/local/teTeX/share/texmf.local/web2c/natural.tcx) (dblarrow-mpgraph.mp [1] ! Redundant equation. <to be read again> ; l.272 10u=w; ? On Jun 26, 2006, at 2:39 AM, Mojca Miklavec wrote: > On 6/25/06, David Arnold wrote: >> Hi, >> >> I confess I got some earlier advice on this issue, but I've never >> been able to apply it to find a resolution. In the buffer that >> follows, I define a clipping box: >> >> /.../ >> >> Unfortunately, even though this works, mathematicians really want >> arrows at each end of the graph. Easy enough to do with drawdblarrow >> P withcolor blue, but the arrows then get clipped. What I really need >> is to adapt the code below so that my function is clipped to the >> boundary box, but then redrawn with arrows at each end of it. If >> anyone can adjust my code to do that, it would be much appreciated, >> and it would break down a barrier I've faced for years with metapost >> coding. >> >> Note that I've tried some stuff with cutbefore and cutafter with some >> success. But I should remark that the code below is generated by a >> perl script and some special coding we've set up to generate these >> graphics on the fly for student quizzes. This is not a situation >> where I can tweak an individual plot or two. Rather, our script might >> generate 100 sets of the code below, all with different parameters. >> So this magnifies the problem. >> >> Again, any ideas would be greatly appreciated. > > Can you check the attached file? I changed a bit more of the code than > you asked for, but I hope that that's not the problem. Only by using > "cutbefore/cutafter" you would have to consider too much cases of > curve orientation and I avoided the usace of clipping completely. It > has some minor problems when drawing a pole of odd orders: this part > of the code > elseif isInside and (not > fallsInside(mytransform((x,ff(x))),cbox)): > should be fixed a bit for such cases, so please let me know if you > need help for the fix. > > The nice part about metapost is that it's a programming language, so > you should write your code in such a way that you never code the same > number more than once - you should avoid hardcoding the numbers (5 > appears quite often in your code) as often as possible. > > Please let me know if you need some explanation - I didn't comment > much in the source itself. > > Mojca > <dblarrow.tex> > _______________________________________________ > ntg-context mailing list > ntg-context@ntg.nl > http://www.ntg.nl/mailman/listinfo/ntg-context _______________________________________________ ntg-context mailing list ntg-context@ntg.nl http://www.ntg.nl/mailman/listinfo/ntg-context