| Re: the sky is falling down again [message #52346 is a reply to message #52345] |
Wed, 31 January 2007 11:37   |
news.qwest.net
Messages: 137
Registered: September 2005
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Senior Member |
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"Mike" <Michael.Miller5@gmail.com> wrote in message
news:1170269688.017732.248620@v45g2000cwv.googlegroups.com.. .
> The problem is that IDL apparently will happily create plots that show
> the incorrect relationship between data sets. This is a major problem
> for people who use graphics for exploratory data analysis. If the
> results of a plot depend on the shape of the display window, that is a
> huge bug.
I would agree. This case though calls for attempting to plot a point
that does not exist in the window, or graphics device.
I suppose the routine could check this and issue an error.
> You are right that reasonable analysis might lead a user to
> discover the problem, but this still calls into question the
> reliability of IDL's graphics.
I don't think so, I think plotting an axis from 1 to 10, then
trying to plot the point 10000000,10000000 is not a reasonable
request.
I can accept plotting a point not within the axis. But when it
is way way way off the page, it should not be handled properly.
It is like using the following command:
xyouts,0.5,1000000,'This is offscreen', /normal
Cheers,
bob
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