On Wednesday, 27 January, 2016 16:43:33 [hidden email] wrote:

> Hi,

>

> I hope I'm not being slow here, but I seem to be having so many problems

> with gnuplot since I moved to Fedora.

>

> I have some data which plots tine .... until I ask gnuplot to join the

> dots.

>

>

> gnuplot> plot [ f1-.1 : f2+.1] spd_sqrt_v1 u (1/$4):5 w l tit

> "spd_sqrt v1","" u (1/$4):(atan2($2,$3))

>

> works as expected , one line plot , one with cross marks, now try both

> as line plots:

>

> gnuplot> plot [ f1-.1 : f2+.1] spd_sqrt_v1 u (1/$4):5 w l tit

> "spd_sqrt v1","" u (1/$4):(atan2($2,$3)) w l

>

> Now I only get the first plot line , the second one is nowhere to be seen.

>

>

> Does that make sense to anyone?

At a guess, many of your data points are evaluating to NaN.

Try repeating that last command after doing "set table",

so that you can see the processed coordinates for each point.

Ethan

>

> G N U P L O T

> Version 5.0 patchlevel 1 last modified 2015-06-07

>

> running Fedora 23 gnuplot-wx , the wxt build.

>

>

> Thanks, Peter.

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