Re: A simple problem?!

[lee lindsay <lindsayqd@xxxxxxxxx>]

 Hey, guys. Thanks for your suggestions. It works, but there's still a
 problem. My original data J=1:100 is from high latitude to low
 latitude (60N:20N). Using the following regridding method like what
 Steve wrote, the T on Y axis is reversed, that means the value T on
 60N was given to 20N, and 20N was given to 60N. The following is the
 grid of my original data.
 
 yes? show grid T
    GRID GJE1
 name       axis              # pts   start                end
 FAKEDIM1  X                  100 r   1                    100
 FAKEDIM0  Y                  100 r   1                    100
 normal    Z
 normal    T
 
 And also I have tried the following two, but got a same result.
 
 yes? define axis/y=lat_1:lat_2:lat_delta lataxis
 
 yes? define axis/y=lat_2:lat_1:lat_delta lataxis
 
 Does anyone know how to solve that?
 
 Great thanks,
 Lindsay

 
> 2005/6/6, Steve Guimond <guimond@coaps.fsu.edu>:
> > Hey Lindsay:
> >   The previous message from Rob is how you should do this.  I would try:
> >
> > yes? define axis/x=lon_1:lon_2:lon_delta/modulo lonaxis
> > yes? define axis/y=lat_1:lat_2:lat_delta lataxis
> > yes? let new_var = old_var[gx=lonaxis@ASN,gy=lataxis@ASN]
> > yes? show grid new_var
> >
> > Where lon_1,lon_2,lat_1,lat_2 are the bounds of your lat/lon box, be
> > careful of how you define East/West and *delta is the change in lat/lon
> > between points.  The real work is in using @ASN, which regrids the new
> > axes you defined to a new variable with the appropriate lat/lon.  Hope
> > this helps.
> >
> > Steve
> >
> >
> > On Mon, 6 Jun 2005 09:42:42 -0400 lee lindsay wrote:
> >
> > > Hello, everyone. Does any one know how to convert a data in (i,j)
> > > points into its in (longitude, latitude) points?
> > >
> > > Such as, I have a data set of temperature (i=1:100,j=1:100). The
> > > longitude and latitude was known at points of (1,1) and (100,100). How
> > > to convert temperature into the grids shown as longitude and latitude?
> > >
> > > Thanks,
> > > Lindsay
> >
> > Stephen R. Guimond
> > Graduate Research Assistant
> > Center for Ocean-Atmospheric Prediction Studies
> >
> >
>