gnuplot-info

[Gnuplot-info] need help with heatmap

[walter h. <wh...@bf...>]

hi List,
i use gnuplot sporadicly but since many years.

The problem i have now left me a bit confused.
I have a matrix with z-only values.

i do (short).

set view map
splot "data" matrix with image

that works fine. (note: NxM matrix)

The problems starts when i want a "3d-view", mesh, surface plot what ever.

any hints ?

note: i use gnuplot 4.2.3

re,
 wh

Re: [Gnuplot-info] need help with heatmap

[walter h. <wh...@bf...>]

Am 19.10.2011 14:17, schrieb walter harms:
> hi List,
> i use gnuplot sporadicly but since many years.
> 
> The problem i have now left me a bit confused.
> I have a matrix with z-only values.
> 
> i do (short).
> 
> set view map
> splot "data" matrix with image
> 
> that works fine. (note: NxM matrix)
> 
> The problems starts when i want a "3d-view", mesh, surface plot what ever.
> 
> any hints ?
> 

I have found a solution; as usual it is very simple:

unset view
splot "data" matrix with lines

re,
 wh