Re: [idvusers] IDV Applet?

First on my list would be the ability to simulate the probe display. I would like to
drag a probe over a map and have a graph adjust to the values at the new
location.

Second on my list would be the ability to animate a map display, with "controls"
for speed, frame omission, etc.

Third on my list would be the ability to use a globe display, not just a flat map
display.

Bill Fingerhut

On 5/20/2013 10:51 AM, Tom Whittaker wrote:
Before I left the Unidata Committees, there was some discussion about
investigating this direction in the future.  While it would take many,
many person-years to recapitulate the entire IDV in JavaScript using
the WebGL, it might be practical to head more in the direction that
Bill talks about:  having a "full IDV" running "in the cloud"
somewhere and feeding an "applet" (JS and WebGL) the
necessary-for-rendering data.  There are some exciting examples of
just the visualization parts at sites like ThreeJS
(http://threejs.org/) that I find really exciting.

The fundamental design issue is where you would draw the line between
"display" and "everything else"....Bill, when you say "present and
manipulate", exactly what functions are you thinking of?

On Mon, May 20, 2013 at 9:19 AM, the Fingerhuts <fingerhuts3@xxxxxxxxx> wrote:
Greetings,

I have often wished that an IDV display could be viewed in a web browser
with all the interactivity present in the IDV. A Java Applet is one way this
could be done.

My suggestion is different than Pauls, if I'm not missing something. Paul
seems to suggest a Java Applet that would be almost a completely functional
IDV,
while I am suggesting an Applet that would just present and manipulate an
IDV display. Perhaps, after a display is created in the IDV, it could be
saved
as an Applet (similar to saving a bundle, image, or movie) ?

Bill Fingerhut


On 5/20/2013 12:41 AM, Paul Graham wrote:
Hi Everyone,

It would be great to use IDV as a Java Applet, but given that Java Applets
have fallen out of favour in recent years and most up-to-date browsers
block them, due to security issues, I wondered if it might be possible to
develop a Javascript version of the IDV based on something like WebGL?  It
is interesting to note that EarthGL:
http://gher-diva.phys.ulg.ac.be/EarthGL/doc , has an IDV-like globe
display, but I think the data is served up via WMS rather than being
directly read-in from netcdf or grib files.

So perhaps this is more a question to IDV developers: are there any plans
to develop an applet-like IDV that could be run in a web browser?

Thanks,

Paul Graham
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The Fingerhuts
Saint Johnsbury, Vt, 05819

email: fingerhuts3@xxxxxxxxx


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--
The Fingerhuts
Saint Johnsbury, Vt, 05819

email: fingerhuts3@xxxxxxxxx