On 6/12/2015 12:28 AM, Mojca Miklavec wrote:
On Thu, Jun 11, 2015 at 11:12 PM, Hans Hagen wrote:
On 6/11/2015 7:27 PM, Mojca Miklavec wrote:

\usemodule
      [tikz]

\definesymbol[1]
      [{\tikz\shade[shading=ball,ball color=blue] (0,0) circle (.2cm);}]


\startreusableMPgraphic{bullet}
     fill fullcircle
         scaled (1EmWidth)
         withshademethod "circular"
         withcolor red shadedinto blue ;
\stopreusableMPgraphic

\definesymbol[1]{\reuseMPgraphic{bullet}}

Thank you. But TikZ simply delivers a "superior" result in this case
(= better tuned). We should figure out how exactly the shading is done
there (it's slightly eccentric etc.) and try to prepare a macro for
metafun that delivers the same result (or at least a compatible one)
with an input of a single colour as a parameter.

Most shades look ugly and useless to me anyway but you have more control than you think (always had but nicer interfaced in mpiv):

\startMPpage
    fill fullcircle scaled 10cm
        withshademethod "circular"
        withshadevector (5cm,1cm)
        withshadecenter (.1,.5)
        withshadedomain (.2,.6)
        withshadefactor 1.2
        withshadecolors (red,green)
    ;
\stopMPage

Of course you need to play with the values as there is no 'best' combination.

Hans

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