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Re: [idvdevelopers] IDV: Dead views piling up

I would guess it comes down to how the IDV defines whether two data sources are "equal". I'm sure there are places where we were sloppy about defining the datasource definingObject to distinguish it from another. Sometimes it's just a name. For example, if I load the Latest GFS 80km data in, and then after a new run comes in, I load in another instance of the Latest GFS 80km data, are they supposed to be equal.
Or, if I load in a satellite image with N times defined and load the same image dataset with M times defined, it may not look at the times when doing the comparison (or it might). 

I guess since Jon has asked for examples, he gets to "fix" the problem. ;-)

Don

On 3/11/14 12:55 PM, Jonathan Beavers wrote:

Hello Kevin,

On 2014-03-11, at 9:56 AM, Tyle, Kevin R <ktyle@xxxxxxxxxx> wrote:


More often, I see they have the same data source loaded multiple times.  Not plotted 
multiple times ... but there nonetheless.  Need to inquire among the students to see what 
thought processes make this happen.  How hard would it be to have the user interface say 
"You have already loaded this data source, are you sure you want to do so 
again?"


Indeed! It's so easy that the IDV already has code written that attempts to do 
exactly that:

http://git.io/3uwF9Q

Okay, okay…apologies for the snark. I was able to verify the duplicate checker works by 
attempting to create two identical data sources via the "Sat & Radar>Images" chooser. 
Without knowing the specifics of your situation, here's what immediately comes to mind:

* Are you certain that the data sources are identical? An easy way to check would be to 
right click on the data sources in question and view their "Details" 
tabs--identical data sources should have identical details.

* Could there be any issues with bundles?

If you can replicate the problem please consider saving a bundle…or just use both "xidv" 
and "zidv" bundles to be safe.

Good luck!

Jon



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--
Don Murray
NOAA/ESRL/PSD and CU-CIRES
303-497-3596
http://www.esrl.noaa.gov/psd/people/don.murray/
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