Re: 2d matrix plots 'with labels'

[sfeam <sf...@us...>]

On Wednesday, 26 July 2017 14:49:07 Dima Kogan wrote:
> Hi.
> 
> I think the following is a bug? Maybe?
> 
> I'm using a bleeding edge build of gnuplot from
> 
>     https://github.com/gnuplot/gnuplot/commit/ca59a14e94df23008200f34cdb7ea8bc017ad946
> 
> Plotting a matrix of numbers as points with varying colors works ok:
> 
>     plot '-' matrix using 1:2:3 notitle with points pt 7 ps 2 palette
>     1 2 3
>     4 5 6
>     e
> 
> I get 6 points in a grid, with different colors. I would expect that
> plotting the same thing 'with labels' should work too, but with printed
> text instead of points
> 
>     plot '-' matrix using 1:2:3 notitle with labels
>     1 2 3
>     4 5 6
>     e
> 
> I get the grid of printed text, but each "point" is "6" and not "1",
> "2", ...
> 
> Bug?

"with labels" wants a string, not a number.
This should work:

  plot '-' matrix using 1:2:(sprintf("%d",column(3))) with labels

I have no idea why it prints "6" though.  That's a mystery.
	
	Ethan