[pstricks] computed coordinates

[Zbigniew Nitecki]

Thanks.  I think that clarifies a lot for me.

Zbigniew Nitecki
Department of Mathematics
Tufts University
Medford, MA 02155

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http://www.tufts.edu/~znitecki/

On Apr 25, 2010, at 14:23, Herbert Voss wrote:

> Am 25.04.2010 19:48, schrieb Zbigniew Nitecki:
>> Thanks, that works for me too.
>> So can someone explain to me the role of the exclamation point?
>> I know it is needed sometimes when an entry is being computed.
> 
> Default PSTricks coordinates can be of
> (x,y)
> (! PS code which leaves two values x y on stack)
> (*x f(x)) where f(x) is defined in algebraic noattion
> (r;phi) polar coordinates
> (N) a node
> (...|...) the x value is taken from the first and the y value
>          from the second coordinate. ... can be one of the above
> 
> For three dimensional coordinates it depends to the package.
> For pst-3dplot you can write anything as (x,y,z),
> eg (185 sqrt, 60 sin, 3)
> 
> Herbert
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