[jira] [Assigned] (CLIMATE-237) Add Subset Generation function to dataset_processor module

["Michael Joyce (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CLIMATE-237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Joyce reassigned CLIMATE-237:
-------------------------------------

    Assignee: Michael Joyce  (was: Cameron Goodale)
    
> Add Subset Generation function to dataset_processor module
> ----------------------------------------------------------
>
>                 Key: CLIMATE-237
>                 URL: https://issues.apache.org/jira/browse/CLIMATE-237
>             Project: Apache Open Climate Workbench
>          Issue Type: Sub-task
>          Components: rcmet
>    Affects Versions: 0.2-incubating
>         Environment: *nix
>            Reporter: Cameron Goodale
>            Assignee: Michael Joyce
>             Fix For: 0.3-incubating
>
>   Original Estimate: 8h
>  Remaining Estimate: 8h
>
> It has been discussed to have a subsetting capability added into OCW.  The logic place for this would be in the dataset_processor module.
> The initial design is to take in a list of datasets and a subset options dictionary.  Example of calling the function is given below:
> {code}
> from dataset import Dataset
> import dataset_processor as dsp
> # build up 2 datasets
> ds1 = Dataset(....)
> ds2 = Dataset(....)
> #declare the subsetting options you want to use
> subset_options = {'latMin' : 10, 'latMax' : 20,
>                            'lonMin' : -130, 'lonMax': -90,
>                            'startDate' : datetime.datetime(2000,1,1),
>                            'endDate' : datetime.datetime(2010,12,31)} 
> ds1_subsetted, ds2_subsetted = dsp.subset([dataset_one, dataset_two], subset_options)
> {code}
> The ds1_subsetted and ds2_subsetted variables are just Dataset objects that comply with the subset options.  The returned datasets will come back in the same order they were given.

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