Re: plot range blocking interactive zoom

[Ethan M. <merritt@u.washington.edu>]

On Friday, 02 December 2011, pl...@pi... wrote:
> Hi,
> 
> someone may tell me this is a feature but it seems anomalous.
> 
> if I specify a range in the plot command , interactive zoom feature is 
> unable to change the zoom view.

zoom works internally by issuing a "replot" command.
If you make the range a part of the plot command, then it is
re-executed each time the zoom tries to replot.

I personally find the inclusion of ranges in the plot command
to be a poorly designed feature, and recommend against using it.
At best it saves about 7 characters of typing. For this you give
up being able to zoom or use "replot" after adjusting the range
from the command line.

	Ethan



> 
> Even if I manually rest xrange I cannot zoom it.
> 
> plot [-4:16] datafile ....
> show all
>          set xrange [ * : * ] noreverse nowriteback  # (currently 
> [-4.00000:16.0000] )
> 
> 
> I now select a rectangle to zoom in wxt. Y zooms X remains unchanged. 
> However, if I look at the variables my interaction has set xr , it is 
> just not respected in the display.
> 
> show all
>          set xrange [ -0.914620 : 5.53985 ] noreverse nowriteback
> 
> Equally setting xr from the prompt has not effect, a refresh does not 
> change the display. Contrariwise, setting yr is effective.,
> 
> Unless there's some subtlety I'm missing this seems like a bug.
> 
> I'm running cvs from a couple of weeks back, but I noticed this 6-12m 
> ago . I was never sure why it was happening so did not report.
> 
> (also reported on windoze build)
> 
> 
> regards, Peter.
> 
> 
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