[metapost] defaultcolormodel

Karel akk64 at quick.cz
Fri Jul 8 12:43:03 CEST 2011

Taco Hoekwater napsal(a):
> On 07/08/2011 12:01 AM, Stephan Hennig wrote:
>> Hi,
>> I'm wondering what the meaning of variable defaultcolormodel is.  The
>> manual is rather terse (p.28):
>>    The ‘current default’ color model can be set up using the internal
>>    variable defaultcolormodel.  Table 2 lists the valid values.
>> Well, variable defaultcolormodel determines the colour space of the
>> black ink that is used for drawing and filling strokes, i.e., whether 0,
>> (0,0,0) or (0,0,0,1) is written into the output.
> Yes.

I think it is not the case. I tried


draw fullcircle scaled 10mm withcolor .5white;

and the resulting color in the output is in rgb!
One has firstly redefine white and background as numeric... or 
write only


Karel Horak

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