Thanks Hans Fabrice 2017-05-27 0:09 GMT+02:00 Hans Hagen <pra...@wxs.nl>:
> On 5/26/2017 12:53 PM, Fabrice Couvreur wrote: > >> Hello, >> Hans suggested a macro to draw the vectors . It works well but I find >> that in some situations, the arrow is too big. >> thank you, >> > > interim ahlength := 2; > > > Fabrice >> >> >> https://mailman.ntg.nl/pipermail/ntg-context/2016/085828.html >> >> \useMPlibrary[mat] >> >> \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 >> >> $\overrightarrow {i}$ >> >> \stoptext >> >> >> ____________________________________________________________ >> _______________________ >> If your question is of interest to others as well, please add an entry to >> the Wiki! >> >> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/list >> info/ntg-context >> webpage : http://www.pragma-ade.nl / http://context.aanhet.net >> archive : https://bitbucket.org/phg/context-mirror/commits/ >> wiki : http://contextgarden.net >> ____________________________________________________________ >> _______________________ >> >> > > -- > > ----------------------------------------------------------------- > Hans Hagen | PRAGMA ADE > Ridderstraat 27 | 8061 GH Hasselt | The Netherlands > tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl > ----------------------------------------------------------------- > ____________________________________________________________ > _______________________ > If your question is of interest to others as well, please add an entry to > the Wiki! > > maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/list > info/ntg-context > webpage : http://www.pragma-ade.nl / http://context.aanhet.net > archive : https://bitbucket.org/phg/context-mirror/commits/ > wiki : http://contextgarden.net > ____________________________________________________________ > _______________________
___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___________________________________________________________________________________
