Re: [Gnuplot-info] lines in 3D

[Thomas S. <t.s...@fz...>]

you may plot vectors:

set xrange [0:pi]
set yrange [0:pi]
set zrange [0:1]
set surface
set hidden3d

splot sin(x)*sin(y), '-' with vectors nohead
0.5 0.5 0.5 2.0 0.0 0.0
2.5 0.5 0.5 0.0 2.0 0.0
2.5 2.5 0.5 -2.0 0.0 0.0 
0.5 2.5 0.5 0.0 -2.0 0.0
e


WesM wrote:
> 
> Thanks again Thomas
> 
> Can the arrow command read its head and tail coordinates from a file? If
> so would you show me
> how to do that.
> 
> 
> 
> Thomas Sefzick wrote:
>> 
>> you may add arrows without heads:
>> 
>> set xrange [0:pi]
>> set yrange [0:pi]
>> set samples 10
>> set arrow 1 from 0.5,0.5,0.5 to 2.5,0.5,0.5 nohead front
>> set arrow 2 from 2.5,0.5,0.5 to 2.5,2.5,0.5 nohead front
>> set arrow 3 from 2.5,2.5,0.5 to 0.5,2.5,0.5 nohead
>> set arrow 4 from 0.5,2.5,0.5 to 0.5,0.5,0.5 nohead
>> splot sin(x)*sin(y) with pm3d
>> 
>> 
>> WesM wrote:
>>> 
>>> Hi
>>> 
>>> I have created a 3D surface plot of some data contained in a file. I
>>> would like to add
>>> to the plot a rectangle in 3d. How can I add lines (or better yet a
>>> rectangle) to 3D
>>> plots?
>>> 
>> 
>> 
> 
> 

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