it means that your file containes 1e6 data points but gnuplot
found out that the length of a so-called scanline (number of
points in a row) is 895.
and 1e6 isn't an integer multiple of 895.
dantian wrote:
>
> Dear all,
>
> I'm plotting surface with "pm3d map" like
>
> set pm3d map
> splot file using 1:2:3 w image
>
> but for some data I get the following message:
>
> GNUPLOT (plot_image): Number of pixels cannot be factored into integers
> matching grid. N = 1000000 K = 895
>
> Can someone tell me the meaning of this ?
>
> Thanks,
>
> Eric.
>
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