On 12/03/11 17:38, Ethan Merritt wrote:
> 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
>
>
Ah, thank you!
maybe this should be pointed out in the doc. It is not at all obvious.
Perhaps following this text in help plot:
Ranges specified on the `plot` or `splot` command line affect only that
graph; use the `set xrange`, `set yrange`, etc., commands to change the
default ranges for future graphs.
++
Since the interactive terminals work by calling replot , specifying a
range in the plot command will prevent interactive zooming from being
able to change it. To avoid this use set xrange etc.
regards, Peter.
>
>>
>> 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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>
>
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