Re: [idvdevelopers] animationValue as Real for sampleToReal (gridUtil)

• To: Valentijn Venus <venus@xxxxxx>
• Subject: Re: [idvdevelopers] animationValue as Real for sampleToReal (gridUtil)
• From: Don Murray <dmurray@xxxxxxxxxxxxxxxx>
• Date: Tue, 13 Jan 2009 09:01:12 -0700

Hi Tyn-

Valentijn Venus wrote:

I'm looking for a way to get a Real animationValue at jython-level
required by this GridUtil method
(https://www.unidata.ucar.edu/software/idv/docs/javadoc/ucar/unidata/dat
a/grid/GridUtil.html#DEFAULT_SAMPLING_MODE):

The Real is the DateTime or index of the outer domain.  So, if you
had a field of Time->((x,y)->value), you'd pass in the Time value
as a DateTime.  However, if you had a field that was
index->((x,y)->value), then you'd need to use the index.  In each
case, the MathType of the Real has to be the same as the MathType
of the outer domain.  It will also only work for grids/images that
have a single parameter in the Range, i.e., it won't work for
a grid of wind components which would be (u,v).

Does that help?

Don

sampleToReal

public static Real sampleToReal(FieldImpl grid,
                                EarthLocation el,
                                Real animationValue)
                         throws VisADException,
                                RemoteException
This samples the given grid in both time and space and trys to return a
Real value
Parameters:
grid - The grid
el - Location
animationValue - Time
Returns:
Real at the given location and time
Throws:
RemoteException - On badness
VisADException - On badness

Any ideas which method i can best use?

Cheers, Tyn International Institute for Geo-Information Science and Earth Observation (ITC)

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--
*************************************************************
Don Murray                               UCAR Unidata Program
dmurray@xxxxxxxxxxxxxxxx                        P.O. Box 3000
(303) 497-8628                              Boulder, CO 80307
http://www.unidata.ucar.edu/staff/donm
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• References:
  • [idvdevelopers] animationValue as Real for sampleToReal (gridUtil)
    • From: Valentijn Venus