[pstricks] pst-solides3d problem

Orlando Camargo Rodríguez orodrig at ualg.pt
Wed Apr 28 16:16:16 CEST 2010

Hi 3D TeX gurus.

I'm playing with the pst-solides3d package, trying to generate sone
surfaces. This is the code I borrowed from the documentation: 






\pslinewidth,axesboxed,algebraic,hue=0 1](-4,-4)(4,4){%
((y^2)-(x^2))/4 }


So, it LaTeX's fine, it dvip's fine, it pdftops's fine but I get the
saddle surface in spherical coordinates rather than in cartesian
coordinates (?) 

I'm attaching the figure.

Thanks in advance 

Best regards 

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