On Wed, 24 Apr 2019, Wolfgang Schuster wrote:

Gour schrieb am 24.04.2019 um 18:57:
That I spotted and corrected, but I'm getting another error, I suppose:
$ cat  mp.tex
Lorem Ipsum…

draw ( (0,0)--(1,0)--(0,1)) with color red ;
Change "with color" to "withcolor" (no space).

Here is a more detailed example that mimics the tikz code that you sent in the other email.


  newpair A, B, C;

  A := (-7.7, 2.75)*1cm;
  B := (0.88, 2.57)*1cm;
  C := (-3.04, -3.37)*1cm;

  newpath triangle;
  triangle := A -- B -- C -- cycle;
  fill triangle withcolor "myred" withtransparency("normal", 0.1);
  draw triangle withpen pencircle scaled 2pt
                withcolor "myred";

  dotlabeldiam := 5pt;
  dotlabel.lft("A", A) withcolor "myblue";
  dotlabel.rt ("B", B) withcolor "myblue";
  dotlabel.bot("C", C) withcolor "myblue";


In ConTeXt, if you put quotes around the name of a color, it looks at the colors defined in tex rather than colors defined in metapost. This allows you to easily share the same colors in text and figures.

As an elegent example of this see this excellent imitation of Byrne's Euclid: https://github.com/jemmybutton/byrne-euclid/releases/download/0.6%2B0.3/byrne_context.pdf

(Source at https://github.com/jemmybutton/byrne-euclid)

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