Re: surface elements for transparent_solids.dem

[Petr M. <mi...@ph...>]

> Please consider making this change.  It's a relatively short patch.

Unfortunately it does not patch to current cvs.

> >Or maybe "outline" would suffice as opposed to "tileline"
> I would find "sort3d" more intuitive. Perhaps you were looking for a more 
> encompassing name reflecting the overall effect of "estimate hidden line 
> removal".  But in some sense, "depthorder" or "sort3d" is specific too 
> because the user needs to understand that the pm3d elements are what are 
> being sorted.  So "outline" is no more specific than "depthorder".

Yes, sorry, I thought you want to replace "depthorder".


> Petr, in the demo 'pm3d.dem' it says 
> set title "surface at view 130,10 (viewed from below)"
> set pm3d
> set palette
> set view 130,10
> set samples 50; set isosamples 50
> set border 4095
> unset surface
> set pm3d at s scansforward
> splot sin(sqrt(x**2+y**2))/sqrt(x**2+y**2)
> pause -1 "Hit return to continue"
> 
> This example isn't technically something that looks to be view from below, is
> it?  Instead there is something discontinuous about it.
> 
> Also, the above plot and the one that follows it:
> 
> set title '"set pm3d scansbackward" makes this as viewed from above'
> 
> have border lines that appear kind of Escher-ish.

The plot depends on the scan direction. Shown are those rectangles coming 
last. It is probably the plot title which should change.

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PM