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[Support #ZFI-856751]: Re: Offset Error w/default LAT/LON radar locations

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  • Subject: [Support #ZFI-856751]: Re: Offset Error w/default LAT/LON radar locations
  • Date: Wed, 04 Feb 2009 12:56:00 -0700
Hi Ben-

> > I found two references that agree with our location.  However, NCDC has
> > a slightly different longitude (-73:09:59):
> >
> > http://mi3.ncdc.noaa.gov/mi3qry/identityGrid.cfm?fid=32963&PleaseWait=OK
> >
> > so I will adjust that in the IDV station table.
> >
> > How are you creating the KML/KMZ file?  Are you reprojecting to a lat/lon
> > projection before saving the image?  I created a display from KCXX, used
> > the Projection->Use Displayed Area to set the projection to lat/lon,
> > added Range Rings and changed the location to CXX, set the spacing of the
> > rings to 1 km, zoomed in and saved it as the attached foo.kmz.  When I load 
> > that into
> > Google Earth, the center of the inner ring appears to be right over the
> > radar.  This was using the old position for CXX.
> >
> > There is some roundoff when making the radar rings using the display 
> > projection,
> > but if you set the location with the station, it should be pretty spot on.
> >
> > You can increase the displayed resolution of the lat/lon with the 
> > Preferences.
> > Go to the Edit->Preference menu and in the dialog, click the Formats & Data
> > tab, and set the lat/lon format to be ##0.0##  (or add more # to the end for
> > more "precision").
> >
> > Let me know how you are creating the KMZ file and we'll see if we can track
> > down what's going on.
> 
> 
> As a sidenote, I still get the info-popup that says projections should be in 
> lat/lon & overhead for accuracy even though I've been set that way.
> 
> Is that normal?

Yes.  We probably should have a "Don't show this again" checkbox on it.

Don

> Ben Kamen - O.D.T., S.P.
> =============================================================================
> Email: bkamen AT benjammin DOT net              Web: http://www.benjammin.net
> 
> As seen somewhere on the net: My other computer is your Windows Server.
> 
> 


Ticket Details
===================
Ticket ID: ZFI-856751
Department: Support IDV
Priority: Normal
Status: Open