On 30-5-2012 23:10, Troy Henderson wrote:
I've encountered a MetaPost issue, and since many MetaPost users also use
ConTeXt (and vice-versa), I am posting this question on both lists.
The command
show identity rotated 270 yscaled 0.5;
outputs
(0,0,0,1,-0.5,0)
as expected, while the command
show identity transformed (0,0,0,1,-0.5,0);
errors with
---
! Missing `)' has been inserted.
<to be read again>
,
l.26 ^^Ishow identity transformed (0,0,0,1,
-0.5,0);
---
I am using MetaPost 1.504, and the problem seems to be that MetaPost does
not like me using the sextuple (0,0,0,1,-0.5,0) directly, but this is the
most convenient method for me to describe my transformations. Is this a
bug in MetaPost, or am I not allowed to use transformations directly with
sextuples?
It looks like sextuples are no basic datatype. I think that the show is
just a way to output the internal representation. Of course it would
make sense to have sixtuples (I can even think of a generic n-tuple).
Hans
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