# [pstricks] shadow and psbezier

Arnaud BLOUIN arno.blouin at tele2.fr
Mon Jan 22 12:36:47 CET 2007

Herbert Voss a écrit :
> Arnaud BLOUIN schrieb:
>
>> Hi,
>> I have just remark that when you add a shadow to a frame, an ellipse,
>> ..., the shape is automatically filled ; but when you add a shadow to a
>> psbezier it is not the case. Is it possible to homogenize that (I would
>> want that all the figures have the same behaviour as the psbezier)?
>>
>> \begin{pspicture}(0,-1)(7,5)\psgrid
>> \end{pspicture}
>>
>>
> at first, a shadow to a _line_ doesn't really make sense!
>
> The shadow is build  as a copy of the current path, which
> is filled and then used as an underlying overlay to the original
> closed path whith the difference of psk at shadowsize. This is
> the _same behaviour_ for all objects. A line cannot be filled, the
> reason why you cannot get what you might expect to see.
>
> Herbert
>
>
Who spoke about a line? I'm speaking about a Bézier curve ; moreover a
shadow to a line doesn't really make sense?! That's new! And why not? A
line is a shape like an ellipse, a circle, ...
When you have several joined-lines, this new shape is no more a line but
an open polygon, as shown in the following example:

\begin{pspicture}(-1,-3)(12,2)\psgrid
\end{pspicture}

Arnaud

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