[Gnuplot-info] pm3d - I am lost

[agoniabogar <te...@gm...>]

Hi, Gnuplotians, 

I try to use pm3d optionbut I run into the following message:

Warning: Single isoline (scan) is not enough for a pm3d plot.
           Hint: Missing blank lines in the data file? See 'help pm3d' and
FAQ.

What does this mean? On the plot I cannot see anything, only the axes and
colormap.

My datafile strcutre is the following:

x1 <tab> y1 <tab> z1 <tab> w1
x2 <tab> y2 <tab> z2 <tab> w2

.   <tab> .   <tab> .   <tab> .

xn <tab> yn <tab> zn <tab> wn

First column is size, 2nd is time 3rd is value 4th is std.dev.

My script is as follows:
...
set pm3d map implicit
set surface
splot "bigyusz.dat" u 1:2:3 
...

MAny thanks for your help!!

Agoniabogar
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