deal with queries that shouldn't return anything

DOI-USGS / geoknife

R tools for geo-web processing of gridded data via the Geo Data Portal. geoknife slices up gridded data according to overlap with irregular features, such as watersheds, lakes, points, etc.

https://doi-usgs.github.io/geoknife/

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deal with queries that shouldn't return anything #200

Open jordansread opened 9 years ago

jordansread commented 9 years ago

i.e., query(webdata(),'times') when there aren't any times in the dataset:

e.g.,

wd = webdata(url = 'http://disc2.nascom.nasa.gov:80/opendap/TRMM_L3/TRMM_3B31/1997/335/3B31.19971201.7.HDF.Z')

jordansread commented 9 years ago

this just hangs up the query(wd,'times')