On 8/2/06, Thomas A. Schmitz wrote:
>
> 3. Is it possible to get a line/arrow dashed in two different colors,
> like red and blue?
Just out of curiosity I tried the following:
picture dp;
draw dashpattern(on 2 off 6) scaled 5pt withcolor blue;
draw dashpattern(off 4 on 2 off 2) scaled 5pt withcolor red;
dp := currentpicture;
draw origin--(5cm,0) dashed dp;
But of course "! Picture is too complicated to use as a dash pattern."
So you have to draw the path twice with different color and pattern
(you can write a macro for it of course if you need it often).
beginfig(1);
pickup pencircle scaled 2pt;
picture dp[];
dp[1] := dashpattern(on 2 off 6) scaled 3pt;
dp[2] := dashpattern(off 4 on 2 off 2) scaled 3pt;
path p; p := (origin .. (2,1) .. (3,-1) .. (5,0)) scaled 3cm;
draw p dashed dp[1] withcolor blue;
draw p dashed dp[2] withcolor red;
endfig;
end.
Mojca
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