Hi Hans, The console returns me : resolvers | trees | analyzing 'home:texmf' mtx-context | run 1: luatex --fmt="/home/fab/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex/cont-en" --jobname="ntg45" --lua="/home/fab/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex/cont-en.lui" --no-parse-first-line --c:currentrun=1 --c:fulljobname="./ntg45.tex" --c:input="./ntg45.tex" --c:kindofrun=1 --c:maxnofruns=9 "cont-yes.mkiv" This is LuaTeX, Version 0.95.0 (TeX Live 2016) system commands enabled. resolvers > trees > analyzing 'home:texmf' open source > 1 > 1 > /home/fab/context/tex/texmf-context/tex/context/base/mkiv/cont-yes.mkiv ConTeXt ver: 2016.06.05 16:26 MKIV beta fmt: 2016.6.6 int: english/english system > 'cont-new.mkiv' loaded open source > 2 > 2 > /home/fab/context/tex/texmf-context/tex/context/base/mkiv/cont-new.mkiv close source > 2 > 2 > /home/fab/context/tex/texmf-context/tex/context/base/mkiv/cont-new.mkiv system > files > jobname 'ntg45', input './ntg45', result 'ntg45' fonts > latin modern fonts are not preloaded languages > language 'en' is active open source > 2 > 3 > /home/fab/ntg45.tex metapost > library 'mat' is unknown or invalid fonts > preloading latin modern fonts (second stage) fonts > 'fallback modern-designsize rm 12pt' is loaded metapost > initializing instance 'metafun' using format 'metafun' metapost > loading 'metafun' as '/home/fab/context/tex/texmf-context/metapost/context/base/mpiv/metafun.mpiv' using method 'default' metapost > initializing number mode 'scaled' metapost > error:
math_stacker_draw ! Isolated expression. <to be read again> ( <*> math_stacker_draw( math_stacker_leftarrow_shape) ; ; ! Extra tokens will be flushed. <to be read again> ( <*> math_stacker_draw( math_stacker_leftarrow_shape) ; ;
[1] no-error metapost > error:
math_stacker_draw ! Isolated expression. <to be read again> ( <*> math_stacker_draw( math_stacker_leftarrow_shape) ; ; ! Extra tokens will be flushed. <to be read again> ( <*> math_stacker_draw( math_stacker_leftarrow_shape) ; ;
[1] no-error metapost > error:
math_stacker_draw ! Isolated expression. <to be read again> ( <*> math_stacker_draw( math_stacker_rightarrow_shape) ; ; ! Extra tokens will be flushed. <to be read again> ( <*> math_stacker_draw( math_stacker_rightarrow_shape) ; ;
[1] no-error metapost > error:
math_stacker_draw ! Isolated expression. <to be read again> ( <*> math_stacker_draw( math_stacker_rightarrow_shape) ; ; ! Extra tokens will be flushed. <to be read again> ( <*> math_stacker_draw( math_stacker_rightarrow_shape) ; ;
[1]
no-error
backend > xmp > using file
'/home/fab/context/tex/texmf-context/tex/context/base/mkiv/lpdf-pdx.xml'
pages > flushing realpage 1, userpage 1
close source > 2 > 3 > /home/fab/ntg45.tex
close source > 1 > 3 >
/home/fab/context/tex/texmf-context/tex/context/base/mkiv/cont-yes.mkiv
mkiv lua stats > used config file: selfautoparent:/texmf/web2c/texmfcnf.lua
mkiv lua stats > used cache path:
/home/fab/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e
mkiv lua stats > resource resolver: loadtime 0.032 seconds, 1 scans with
scantime 0.021 seconds, 0 shared scans, 22 found files, scanned paths:
/home/fab/texmf
mkiv lua stats > stored bytecode data: 390 modules (0.281 sec), 82 tables
(0.011 sec), 472 chunks (0.292 sec)
mkiv lua stats > traced context: maxstack: 1182, freed: 2, unreachable:
1180
mkiv lua stats > cleaned up reserved nodes: 48 nodes, 9 lists of 446
mkiv lua stats > node memory usage: 139 glue, 2 penalty, 180 attribute, 38
glue_spec, 34 attribute_list, 2 temp, 2 user_defined
mkiv lua stats > node list callback tasks: 6 unique task lists, 6
instances (re)created, 88 calls
mkiv lua stats > used backend: pdf (backend for directly generating pdf
output)
mkiv lua stats > jobdata time: 0.001 seconds saving, 0.000 seconds loading
mkiv lua stats > callbacks: 246 direct, 303 indirect, 549 total
mkiv lua stats > randomizer: resumed with value 0.28739196541132
mkiv lua stats > positions: 8 collected, 8 regulars, 0 regions, 0
unresolved regions
mkiv lua stats > loaded patterns: en::2, load time: 0.000
mkiv lua stats > result saved in file: ntg45.pdf, compresslevel 3,
objectcompresslevel 3
mkiv lua stats > loaded fonts: 2 files: latinmodern-math.otf,
lmroman12-regular.otf
mkiv lua stats > font engine: otf 3.022, afm 1.512, tfm 1.000, 4
instances, load time 0.149 seconds
mkiv lua stats > used platform: linux-64, type: unix, binary subtree:
texmf-linux-64
mkiv lua stats > luatex banner: this is luatex, version 0.95.0 (tex live
2016)
mkiv lua stats > control sequences: 43841 of 65536 + 100000
mkiv lua stats > lua properties: engine: lua, used memory: 59 MB (ctx: 58
MB), hash type: lua, hash chars: min(64,40), symbol mask: utf (τεχ)
mkiv lua stats > runtime: 0.551 seconds, 1 processed pages, 1 shipped
pages, 1.815 pages/second
system | total runtime: 0.784 seconds
Thanks,
Fabrice
2016-06-06 22:50 GMT+02:00 Hans Hagen
On 6/6/2016 9:39 PM, Fabrice Couvreur wrote:
Hi Joseph, This is already the command I used, but I think the point of the too small arrow.
If you really want to go over the top:
\useMPlibrary[mat]
% will be in meta-imp-mat.mkiv
\startMPextensions vardef math_stacker_arrow_shape = image ( drawarrow (OverlayWidth,OverlayOffset) -- (0,OverlayOffset) withcolor OverlayLineColor ; setbounds currentpicture to boundingbox currentpicture bottomenlarged (OverlayOffset/2) topenlarged (OverlayOffset/2) ; ) enddef ; vardef math_stacker_leftarrow_shape = math_stacker_arrow_shape enddef ; vardef math_stacker_rightarrow_shape = math_stacker_arrow_shape rotated 180 enddef ; \stopMPextensions
\startuniqueMPgraphic{math:stacker:\number"2190} math_stacker_draw(math_stacker_leftarrow_shape) ; \stopuniqueMPgraphic
\startuniqueMPgraphic{math:stacker:\number"2192} math_stacker_draw(math_stacker_rightarrow_shape) ; \stopuniqueMPgraphic
% so far
\setupmathstackers [both] % vfenced] [color=darkred, alternative=mp]
\setupmathstackers [top] [color=darkred, alternative=mp]
\setupmathstackers [bottom] [color=darkred, alternative=mp]
\starttext
$\overbracket {a+b+c+d} \quad \underbracket {a+b+c+d} \quad \doublebracket{a+b+c+d}$ \blank $\overparent {a+b+c+d} \quad \underparent {a+b+c+d} \quad \doubleparent {a+b+c+d}$ \blank $\overbrace {a+b+c+d} \quad \underbrace {a+b+c+d} \quad \doublebrace {a+b+c+d}$ \blank $\overbar {a+b+c+d} \quad \underbar {a+b+c+d} \quad \doublebar {a+b+c+d}$ \blank
$\overleftarrow {a+b+c+d} \quad \overrightarrow {a+b+c+d} $ \blank $\underleftarrow {a+b+c+d} \quad \underrightarrow {a+b+c+d} $ \blank
\stoptext
----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------
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