Re: [idvdevelopers] IDV: Dead views piling up

• To: David P Dempsey <dempsey@xxxxxxxx>
• Subject: Re: [idvdevelopers] IDV: Dead views piling up
• From: Brian Mapes <bmapes@xxxxxxxxxxxxxxx>
• Date: Tue, 11 Mar 2014 20:12:16 +0000

Redundant datasets are easily eliminated. 
But I can find no way to remove an empty View. 
Not that it matters I suppose. 
"Cruft" I have heard this called. 



On Mar 11, 2014, at 2:53 PM, David P Dempsey wrote:

> 
> On Mar 11, 2014, at 7:56 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?"
> 
> 
> Tyle,
> 
> Interesting point--I've run into this intermittently, too.
> 
> The IDV could recognize that a file with the same name has already been 
> loaded and, as you suggest, interrupt with a query (and the interruption 
> might sometimes be briefer than reloading the data). Even more useful, 
> though,  might be to issue a query only if the creation/modification date of 
> the requested data file had not changed since it was last loaded. 
> 
> That is, reloading the same file is probably only an issue when the file 
> hasn't changed since it was previously loaded--otherwise, reloading the 
> (changed) file would probably be a good thing, usually.
> 
> Don worked on a perhaps related situation in which I have symbolic links with 
> unchanging names (e.g., "latest_GFS.grb") pointing to a new file every six 
> hours. The problem of recognizing when the the contents of a file has changed 
> even when the name of the file hasn't changed, comes up in a sense in that 
> case, too. The solution, if there eventually will be one, turns out to trace 
> to NetCDF-Java, not the IDV (or the RAMADDA server, which is the context 
> where Don diagnosed it).
> 
> -- Dave
> 
> ***************************************************************
> *   Dr. Dave Dempsey                             |       ^   ___       \|/    
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> 
> 
> 
> 
> 

Brian Mapes
bmapes@xxxxxxxxxxxxxxx or mapes@xxxxxxxxx

• Follow-Ups:
  • Re: [idvdevelopers] IDV: Dead views piling up
    • From: David P Dempsey

• References:
  • Re: [idvdevelopers] IDV: Dead views piling up
    • From: Tyle, Kevin R
  • Re: [idvdevelopers] IDV: Dead views piling up
    • From: David P Dempsey