gnuplot-info

[Gnuplot-info] moving tic labels

[Bret F. <bre...@or...>]

When using splot with a y-axis of time, the tic labels are overlapping the
y-axis and both are therefore obscured. Looking at the documentation for
x-tics, I can't find any setting to control the distance from the tic labels
to the axis. Am I missing something?

Thanks,
Bret

Re: [Gnuplot-info] moving tic labels

[Hans-Bernhard B. <br...@ph...>]

Bret Foreman wrote:

> When using splot with a y-axis of time, the tic labels are overlapping the
> y-axis and both are therefore obscured. 

That's most probably happening because your time labels are a good deal 
longer than typical numerical ones, or because your font is larger than 
gnuplot thinks it is?  Care giving a reproducible example so others can 
debug this more meaningfully?

Anyway: 'set timefmt' to create multi-line labels should help.

 > Looking at the documentation for
> x-tics, I can't find any setting to control the distance from the tic labels
> to the axis. Am I missing something?

No --- there (still) is no such setting, except as a patch sitting on 
our bench at SourceForge.net.

RE: [Gnuplot-info] moving tic labels

[Bret F. <bre...@or...>]

Here's an example of the problem. The attached .dat file created the
attached .png file.

I guess what you mean is to add some spaces into the timefmt to push the
dates over to the right. I tried that and it didn't seem to have any effect.
gnuplot just seemed to "eat" the leading spaces.

Thanks,
Bret

-----Original Message-----
From: gnu...@li...
[mailto:gnu...@li...]On Behalf Of
Hans-Bernhard Broeker
Sent: Tuesday, August 24, 2004 1:00 AM
To: Bret Foreman
Cc: gnu...@li...
Subject: Re: [Gnuplot-info] moving tic labels


Bret Foreman wrote:

> When using splot with a y-axis of time, the tic labels are overlapping the
> y-axis and both are therefore obscured.

That's most probably happening because your time labels are a good deal
longer than typical numerical ones, or because your font is larger than
gnuplot thinks it is?  Care giving a reproducible example so others can
debug this more meaningfully?

Anyway: 'set timefmt' to create multi-line labels should help.

 > Looking at the documentation for
> x-tics, I can't find any setting to control the distance from the tic
labels
> to the axis. Am I missing something?

No --- there (still) is no such setting, except as a patch sitting on
our bench at SourceForge.net.



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Re: [Gnuplot-info] moving tic labels

[Hans-Bernhard B. <br...@ph...>]

Bret Foreman wrote:

> Here's an example of the problem. The attached .dat file created the
> attached .png file.

Hmmm.. the .png didn't want to display, but I can see the problem in
Windows, too, using a slightly modified script.

The problem is two-fold.  First, the ytic labels are rather long.

> I guess what you mean is to add some spaces into the timefmt to push the
> dates over to the right. 

No.  I wanted to say you should put an actual line break into your
format statment for the y tics.  But that's not 'set timefmt', of
course, but

	set format y "%m-%d\n%Y"

and it doesn't completely fix the problem either --- well, not on
Windows at least.

If you rotate your plot around a little while, in a mouse-enabled GUI
terminal driver like Windows or X11, you'll begin to see more clearly.
The gnuplot axis labels are positioned differently depending on the
angle of the border line on the paper, and thus on the 'set view'
angles.  In particular, the toggle between left, centered and right
justification relative to the reference point, which in turn is given
by extending of the tick mark itself to outside the graph box.

This approach has problems mainly if the tick labels are rather long,
while the view angles are such that the label is centered rather than 
left-justified.  That's why choosing a shorter ytic label format should
help.  Choosing a different 'set view' angle should help, too.

And I guess "set ytics rotate" will help quite a lot, if your driver 
supports it and your users can accept its results.

RE: [Gnuplot-info] moving tic labels

[Bret F. <bre...@or...>]

Adding the \n helps a little, though there is still some overlap. I'll
experiment with the set view and rotate commands and see if I can get better
results.

Thanks,
Bret

-----Original Message-----
From: gnu...@li...
[mailto:gnu...@li...]On Behalf Of
Hans-Bernhard Broeker
Sent: Tuesday, August 24, 2004 9:37 AM
To: Bret Foreman
Cc: gnu...@li...
Subject: Re: [Gnuplot-info] moving tic labels


Bret Foreman wrote:

> Here's an example of the problem. The attached .dat file created the
> attached .png file.

Hmmm.. the .png didn't want to display, but I can see the problem in
Windows, too, using a slightly modified script.

The problem is two-fold.  First, the ytic labels are rather long.

> I guess what you mean is to add some spaces into the timefmt to push the
> dates over to the right.

No.  I wanted to say you should put an actual line break into your
format statment for the y tics.  But that's not 'set timefmt', of
course, but

	set format y "%m-%d\n%Y"

and it doesn't completely fix the problem either --- well, not on
Windows at least.

If you rotate your plot around a little while, in a mouse-enabled GUI
terminal driver like Windows or X11, you'll begin to see more clearly.
The gnuplot axis labels are positioned differently depending on the
angle of the border line on the paper, and thus on the 'set view'
angles.  In particular, the toggle between left, centered and right
justification relative to the reference point, which in turn is given
by extending of the tick mark itself to outside the graph box.

This approach has problems mainly if the tick labels are rather long,
while the view angles are such that the label is centered rather than
left-justified.  That's why choosing a shorter ytic label format should
help.  Choosing a different 'set view' angle should help, too.

And I guess "set ytics rotate" will help quite a lot, if your driver
supports it and your users can accept its results.



-------------------------------------------------------
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100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33
Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift.
http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285
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