[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
>> \psframe[shadow=true](1,1)(3, 3)
>> \psellipse[shadow=true](4,1)(1,1.5)
>> \psbezier[shadow=true](0.5,0.7)(2.1,1)(6.9,3.5)(6.6,4.5)
>> \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:



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