Dear MetaFun folks,
Am Freitag, den 21.10.2011, 01:14 +0200 schrieb Paul Menzel: > looking at the example for grid and functions in the MetaFun manual [1] > section 9.3 > > drawoptions(withpen pencircle scaled .25pt withcolor .5white) ; > draw hlingrid(0, 20, .2, 20cm, 10cm) ; > draw vloggrid(0, 10, .5, 10cm, 20cm) ; > drawoptions(withpen pencircle scaled .50pt) ; > draw hlingrid(0, 20, 1, 20cm, 10cm) ; > draw vloggrid(0, 10, 1, 10cm, 20cm) ; > > fmt_pictures := false ; % use TeX as formatting engine > textextoffset := ExHeight ; % a variable set by ConTeXt > draw hlintext.lft(0, 20, 5, 20cm, "@3e") ; > draw vlogtext.bot(0, 10, 9, 10cm, "@3e") ; > > draw > function(1,"log(x)","x",1,10,1) xyscaled (10cm,2cm) > withpen pencircle scaled 5mm withcolor transparent(1,.5,yellow) ; the labeling of the vertical axis (y-coordinate) is not incorrect. The maximum value is 10 and therefore it should probably be corrected as follows. - draw hlingrid(0, 20, 1, 20cm, 10cm) ; + draw hlingrid(0, 20, 2, 20cm, 10cm) ; - draw hlintext.lft(0, 20, 5, 20cm, "@3e") ; + draw hlintext.lft(0, 10, 5, 20cm, "@3e") ; Furthermore on the bottom labels seem to be incorrect in the figure, it goes from 1 to 0, but this seems to be a bug in the used ConTeXt version, since I do not have that problem when compiling(?) that example locally. Please find the corrected example attached. […] Thanks and I hope I did not mess up, Paul > [1] http://www.pragma-ade.com/general/manuals/metafun-s.pdf
function.pdf
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\starttext \startMPcode drawoptions(withpen pencircle scaled .25pt withcolor .5white) ; draw hlingrid(0, 20, .2, 20cm, 10cm) ; draw vloggrid(0, 10, .5, 10cm, 20cm) ; drawoptions(withpen pencircle scaled .50pt) ; draw hlingrid(0, 20, 2, 20cm, 10cm) ; draw vloggrid(0, 10, 1, 10cm, 20cm) ; fmt_pictures := false ; % use TeX as formatting engine textextoffset := ExHeight ; % a variable set by ConTeXt draw hlintext.lft(0, 10, 5, 20cm, "@3e") ; draw vlogtext.bot(0, 10, 9, 10cm, "@3e") ; draw function(1,"log(x)","x",1,10,1) xyscaled (10cm,2cm) withpen pencircle scaled 5mm withcolor transparent(1,.5,yellow) ; \stopMPcode \stoptext
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