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[IDV #ILM-542718]: IDV - RC3: Error creating display with DEM file

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  • Subject: [IDV #ILM-542718]: IDV - RC3: Error creating display with DEM file
  • Date: Sun, 16 Jul 2006 22:02:09 -0600
> They are downright huge - 90 m resolution. I thought it worth a try
> though since SRTM is becoming very popular in some circles. Can I crank
> up the JVM max memory in the jnlp or preferences somewhere? I'll look
> in to it tomorrow. I remember how to do it on the command line. I do
> not expect it to work but I'll give it a try anyway. I'll also hold
> onto the SRTMs for future testing.
> 

Yes they are big - 36 million points. I am working on improving the memory 
usage and performance of reading in the data. e.g., on my laptop these files 
were taking
60 seconds to read, they now take 20 seconds.

However, creating the display hoses the IDV. I'll try to look into what is going
on with that.

> Based on your tests, what do you recommend at this time? I seem to
> recall the manual/workshop used USGS DEMS from somewhere. I'll see if I
> can find the link tomorrow, as well.
> 
The USGS DEMs are good but hard to find.  I'm not sure we can read the 
stuff from the seamless data distribution system or the SDTS data.

> Thanks for looking into this. I'm trying to assemble 'showcase' IDv
> .xidvs for each of the updated ACME04 flights. Stephan de Wekker just
> emailed me info about an updated RAMS model run, output format .v5d.
> The goal here is to fly the C130 through the modeled volume and compare
> the aircraft observations to the RAMS model predictions. Did you do
> that with a station model last week? Anyway, I'll pound on that
> tomorrow afternoon -- meeting at FL late am -- when I get back to the
> big workstation.
> 

What is did was allow for the end point of the track display to be used as 
the location of a data probe. When we release this you will need to just turn
on "Sharing" in the track control and in the probe control. Add whatever
fields you want to the probe control (though I'm not sure you can add a flight
track, just the model data.) Then when you step the animation the flight track 
moves,
and this location is sent to the data probe.

-Jeff


Ticket Details
===================
Ticket ID: ILM-542718
Department: Support IDV
Priority: Normal
Status: Closed