Re: map of temperature trends

onedtond doesn't retain metadata so you have to set the metadata for slope2d.

quick way to do this:
slope2d!0 = "lat"
slope2d!1 = "lon"
slope2d&lat = data&lat
slope2d&lon = data&lon

Alan.

##############################
Alan Brammer,
PhD Student,

Department of Atmospheric and Environmental Sciences,
University at Albany, State University of New York, Albany, NY, 12222
abrammer@albany.edu
##############################

On Jun 7, 2013, at 12:40 PM, Alan Brammer <abrammer@albany.edu> wrote:

>> slope2d = onedtond(temp@slope,(/dimsizes(data@lat),dimsizes(data@lon)/))
>
>
> Quick guess but i think the above should be
>
> slope2d = onedtond(temp@slope,(/dimsizes(data&lat),dimsizes(data&lon)/))
>
> note the change of @ to &.
>
>
> Alan.
>
> ##############################
> Alan Brammer,
> PhD Student,
>
> Department of Atmospheric and Environmental Sciences,
> University at Albany, State University of New York, Albany, NY, 12222
> abrammer@albany.edu
> ##############################
>
> On Jun 7, 2013, at 12:00 PM, Mira Berdahl <mberdahl@envsci.rutgers.edu> wrote:
>
>> Hi Everyone,
>>
>> I am trying to generate a map of annual temperature trends from a file
>> with Dimensions and sizes: [time | 1140] x [lat | 64] x [lon | 128].
>>
>> I cannot seem to retain the [lat] and [lon] attributes of the original
>> data file in my calculated slope, and thus can't plot my map.
>>
>> I've copied my code here:
>>
>> in = addfile("tas_Amon_BNU-ESM_rcp45_r1i1p1_200601-210012.nc","r")
>>
>> data= in->tas
>> temp = dtrend_msg(data&time,data(lat|:,lon|:,time|:),True,True)
>> slope2d = onedtond(temp@slope,(/dimsizes(data@lat),dimsizes(data@lon)/))
>>
>> end
>>
>> I receive the following error message when I run this:
>> fatal:Dimension (0) of (slope2d) is not named and therefore doesn't have
>> an associated coordinate variable
>>
>> If I use
>> slope2d = onedtond(temp@slope(/64,128/)
>> instead, the script runs, but I cannot plot it on a map because lat and
>> lon are not attributes.
>>
>> Does anyone see what I am doing wrong here?
>>
>> Thanks very much!
>> MB
>>
>>
>>
>>
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>
>
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Received on Fri Jun 7 12:27:03 2013