On Fri, Jul 15, 2011 at 2:59 AM, Kevin D. Robbins
Using a fresh install of ConTeXt Minimals today (ConTeXt version 2011.07.14 16:09, luatex version beta-0.70.1-2011051918) I am trying to build the following MetaPost graphics:
---8<--- file: test.mp fontmapfile "=lm-math.map" ;
beginfig(1) draw fullcircle scaled 3cm ; endfig ;
beginfig(2) ; fill fullcircle scaled 5cm withcolor red ; endfig ;
beginfig(3); numeric u; u = 1cm; draw (0,2u)--(0,0)--(4u,0); pickup pencircle scaled 1pt; draw (0,0){up} for i=1 upto 8: ..(i/2,sqrt(i/2))*u endfor; label.lrt(btex $\sqrt x$ etex, (3,sqrt 3)*u); label.bot(btex $x$ etex, (2u,0)); label.lft(btex $y$ etex, (0,u)); endfig;
end . ---8<---
Building the file using "mpost test.mp" I get the following:
This is MetaPost, version 1.504 (kpathsea version 6.0.0) (mpost.mp (/opt/tools/ConTeXt/beta/tex/texmf/metapost/base/plain.mp Preloading the plain mem file, version 1.004)) (./test.mp{pdftex.map}{lm-math.map} [1] [2]/opt/tools/ConTeXt/beta/tex/texmf-context/scripts/context/ruby/base/switch.rb:570:in `locateseries': undefined method `each' for "tex":String (NoMethodError) from /opt/tools/ConTeXt/beta/tex/texmf-context/scripts/context/ruby/base/switch.rb:397:in `block in expand' from /opt/tools/ConTeXt/beta/tex/texmf-context/scripts/context/ruby/base/switch.rb:392:in `each' from /opt/tools/ConTeXt/beta/tex/texmf-context/scripts/context/ruby/base/switch.rb:392:in `expand' from /opt/tools/ConTeXt/beta/tex/texmf-context/scripts/context/ruby/texexec.rb:789:in `<main>'
test.mp test.mpx ! Unable to make mpx file. l.18 label.lrt(btex $\sqrt x$ etex, (3,sqrt 3)*u); 2 output files written: test.1 .. test.2
The first two graphics are produced correctly, but there is no output for the third graphic with the labels.
Building the file using "texexec --mptex test.mp" all three graphics are produced, but the label $\sqrt x$ does not produce the square root symbol.
Am I doing something obviously wrong? Can anyone reproduce this?
Thanks,
Kevin ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki!
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This is one of the preferrred way to deal with metapost in mkiv \starttext \startMPpage numeric u; u = 1cm; draw (0,2u)--(0,0)--(4u,0); pickup pencircle scaled 1pt; draw (0,0){up} for i=1 upto 8: ..(i/2,sqrt(i/2))*u endfor; label.lrt(btex $\sqrt x$ etex, (3,sqrt 3)*u); label.bot(btex $x$ etex, (2u,0)); label.lft(btex $y$ etex, (0,u)); \stopMPpage \stoptext It's ok with latest minimals -- luigi