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Re: Make the plots invisible [message #82008 is a reply to message #82007] Tue, 13 November 2012 07:41 Go to previous messageGo to previous message
Paul Van Delst[1] is currently offline  Paul Van Delst[1]
Messages: 1157
Registered: April 2002
Senior Member
Hello,

I'd like to toss my $1.40 in ....

From my perspective, the concept of the IDL new graphics functions are
exactly what I was looking for. I can add (or remove) things to them as
I want, and the usual qualitative investigative things one wants to do
with a data plot (zoom, translate, rotate) tools are finally built in
(without having to resort to an iTool). [Ed: Hey, I can jump on the OO
bandwagon just as fast as the next guy...]

And they're relatively easy to use -- although the keyword usage could
be applied more consistently across function (e.g. vertical_alignment
and horizontal_alignment is used for some, whereas for others the latter
is referred to as just "alignment"). I think the IDL folks have
discovered the right path for a better user interface to their object
graphics engine.

Finally, the output just looks much nicer than anything I ever produced
with DG.

Anyone who reads this newsgroup knows there are, uh, issues with certain
aspects of creating graphics in NG (e.g. altogether now: COLORBAR! :o)
but I'm encouraged by the IDL folk's attention to these issues over the
last year or two (e.g. MarkP and ChrisT regularly reply to this
newsgroup, updates are more frequent addressing user concerns, etc).

But the big hairy 800 pound primate in the room is the real time
execution speed of NG -- which must be addressed to make NG be taken
seriously (and by that I mean for day-to-day data visualisation, not the
"produce the final graphic for publication" usage). Until the speed of
the NG plots rivals that of DG, I reckon a lot of folks aren't going to
use them. And people new to IDL will likely ditch it for something
faster. And FWIW, not all of us have the latest greatest hardware out
there - my nearly 3-year old desktop linux box was a low-to-medium-end
machine (i.e. relativly slow) when I got it.

It's tangential, but:
http://edition.cnn.com/2012/11/12/tech/web/video-loading-stu dy

I really hope the NG speed up in v8.2.2 is at least O(1) to bring it
somewhat closer to DG speeds.

Here endeth my monologue.

cheers,

paulv




On 11/12/12 15:47, Mark Piper wrote:
> On Sunday, November 11, 2012 1:23:52 PM UTC-7, David Fanning wrote:
>>
>> Totally amazing, considering it's a function graphics routine! ;-)
>>
>
> Hi David,
>
> In fact, NG work very well for me, and for most of the people I talk
> to. We continue to improve them with every IDL release. The biggest
> issue I've had is that plots with large numbers of points (roughly
> 1e6) are slow to render, but we've greatly improved this for 8.2.2,
> due in January.
>
> If you find problems with NG, please let us know. Constructive
> criticism will help us make them better.
>
> mp

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