z_floor and z_ceiling (was Re: various observations)

[Daniel J S. <dan...@ie...>]

>>Then "set xyplane at -0.2" and setting the z-value of the points to -0.2 
>>puts the points and x-y plane in the same plane, but notice that the 
>>line of the z-axis still extends down to where the xyplane used to be.
>>(That's a bug, isn't it?  Or am I missing something?)

I put a bug report and patch on S.F. for this.  Try

  set xyplane at -20
  splot x+y

before and after patch.

(I see HBB sort of nearby this stuff, with dates from way back.)

Dan