Hi,
I am back to trying Metapost. I spent sometime yesterday and today
learning about clipping, buildcycles etc. to fill areas with patterns.
I think I will try to write a simple tutorial with it.
Meanwhile, I just updated my installation of Context minimals. The
following simple Metapost code does not compile with MKIV, but
compiles okay with MKII.
\setuppapersize[letter][letter]
\setupcolors[state=start]
\setuppagenumbering[state=stop]
\starttext
\startuseMPgraphic{Filling}
u := 1cm;
w:= 2pt;
%Axes
path xaxis; path yaxis;
xaxis := (0,0)--(12,0) scaled u;
yaxis := (0,0)--(0,12) scaled u;
path demand; path AC;
demand :=
function (1,"x","10-x",0,10,1) scaled u;
AC :=
function(1,"x","2+8/x",1,10,0.1) scaled u;
drawarrow xaxis withpen pencircle scaled w;
drawarrow yaxis withpen pencircle scaled w;
draw demand withpen pencircle scaled w withcolor 0.5red;
draw AC withpen pencircle scaled w withcolor 0.5green;
fill fullcircle scaled u shifted (4*u,5*u) withcolor 0.1[white,blue] ;
label(btex \tfb S1 etex,(4,5)*u);
\stopuseMPgraphic
\midaligned{\useMPgraphic{Filling}}
--------------------------------------------------------------------------------------------------------
The LOG file is:
This is LuaTeX, Version beta-0.44.0-2009103007
\write18 enabled.
(TestFile.tex
ConTeXt ver: 2009.11.18 21:51 MKIV fmt: 2009.11.18 int: english/english
system : cont-new loaded
(/Applications/ConTeXtMinimals/tex/texmf-context/tex/context/base/cont-new.tex
systems : beware: some patches loaded from cont-new.tex
(/Applications/ConTeXtMinimals/tex/texmf-context/tex/context/base/cont-new.mkiv))
system : cont-fil loaded
(/Applications/ConTeXtMinimals/tex/texmf-context/tex/context/base/cont-fil.tex
loading : ConTeXt File Synonyms
)
system : cont-sys.rme loaded
(/Applications/ConTeXtMinimals/tex/texmf-context/tex/context/user/cont-sys.rme
(/Applications/ConTeXtMinimals/tex/texmf-context/tex/context/base/type-tmf.tex
(/Applications/ConTeXtMinimals/tex/texmf-context/tex/context/base/type-tmf.mkiv))
(/Applications/ConTeXtMinimals/tex/texmf-context/tex/context/base/type-siz.tex
(/Applications/ConTeXtMinimals/tex/texmf-context/tex/context/base/type-siz.mkiv))
(/Applications/ConTeXtMinimals/tex/texmf-context/tex/context/base/type-otf.tex
(/Applications/ConTeXtMinimals/tex/texmf-context/tex/context/base/type-otf.mkiv)))
system : TestFile.top loaded
(TestFile.top)
fonts : preloading latin modern fonts
bodyfont : 12pt rm is loaded
language : language en is active
color : system all is global activated
systems : begin file TestFile at line 5
mplib : initializing instance 'metafun' using format 'metafun'
mplib : loading 'metafun.mp' from
'/Applications/ConTeXtMinimals/tex/texmf-cache/luatex-cache/context/3fc847143b06f084e10e73c8fbdf4ae2/formats/cont-en-metafun.mem'
)
*
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