Created
June 25, 2015 09:03
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{ | |
"cells": [ | |
{ | |
"cell_type": "code", | |
"execution_count": 1, | |
"metadata": { | |
"collapsed": true | |
}, | |
"outputs": [], | |
"source": [ | |
"import xray" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 16, | |
"metadata": { | |
"collapsed": true | |
}, | |
"outputs": [], | |
"source": [ | |
"url = 'http://data.nodc.noaa.gov/thredds/dodsC/cortad/Version5/cortadv5_FilledSST.nc'" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 28, | |
"metadata": { | |
"collapsed": false | |
}, | |
"outputs": [ | |
{ | |
"name": "stdout", | |
"output_type": "stream", | |
"text": [ | |
" <xray.DataArray 'FilledSST' (time: 15)>\n", | |
"array([ 299.42, 300.24, 301.07, 300.84, 299.36, 298.07, 299.2 ,\n", | |
" 299.13, 299.66, 300.2 , 299.72, 299.76, 299.32, 301.57,\n", | |
" 299.77])\n", | |
"Coordinates:\n", | |
" * time (time) datetime64[ns] 2012-09-18 2012-09-25 2012-10-02 ...\n", | |
" lat float32 ...\n", | |
" lon float32 ...\n", | |
"Attributes:\n", | |
" standard_name: sea_surface_skin_temperature\n", | |
" long_name: Gap-Filled weekly SST time series for 1982-01-02 to 2012-12-28\n", | |
" units: Kelvin\n", | |
" grid_mapping: crs\n", | |
" valid_min: -180\n", | |
" valid_max: 4500\n", | |
" land_value: -1100\n", | |
" missing_pixel_value: -1100\n", | |
" source: The weekly sea surface temperature is derived from Pathfinder 5.2 SST. \n", | |
"\n", | |
"raw: Gap-Filled weekly SST time series for 1982-01-02 to 2012-12-28 \n", | |
"\n", | |
"after load: Gap-Filled weekly SST time series for 1982-01-02 to 2012-12-28 \n", | |
"\n", | |
"after mean: " | |
] | |
}, | |
{ | |
"ename": "AttributeError", | |
"evalue": "'DataArray' object has no attribute 'long_name'", | |
"output_type": "error", | |
"traceback": [ | |
"\u001b[1;31m---------------------------------------------------------------------------\u001b[0m", | |
"\u001b[1;31mAttributeError\u001b[0m Traceback (most recent call last)", | |
"\u001b[1;32m<ipython-input-28-6290fa2aaa73>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[0;32m 9\u001b[0m \u001b[1;32mprint\u001b[0m \u001b[1;34m'after load: '\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mdata\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mload\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mlong_name\u001b[0m\u001b[1;33m,\u001b[0m \u001b[1;34m'\\n'\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 10\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m---> 11\u001b[1;33m \u001b[1;32mprint\u001b[0m \u001b[1;34m'after mean: '\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mdata\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mmean\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mdim\u001b[0m\u001b[1;33m=\u001b[0m\u001b[1;34m'time'\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mlong_name\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m", | |
"\u001b[1;32m/climgeo/bluthgen/Software/anaconda/lib/python2.7/site-packages/xray/core/common.pyc\u001b[0m in \u001b[0;36m__getattr__\u001b[1;34m(self, name)\u001b[0m\n\u001b[0;32m 133\u001b[0m \u001b[1;32mpass\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 134\u001b[0m raise AttributeError(\"%r object has no attribute %r\" %\n\u001b[1;32m--> 135\u001b[1;33m (type(self).__name__, name))\n\u001b[0m\u001b[0;32m 136\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 137\u001b[0m \u001b[1;32mdef\u001b[0m \u001b[0m__dir__\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mself\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n", | |
"\u001b[1;31mAttributeError\u001b[0m: 'DataArray' object has no attribute 'long_name'" | |
] | |
} | |
], | |
"source": [ | |
"with xray.open_dataset(url) as ds:\n", | |
" \n", | |
" data = ds['FilledSST'][-15:,2000,2000]\n", | |
"\n", | |
" print data, '\\n'\n", | |
" \n", | |
" print 'raw: ', data.long_name, '\\n'\n", | |
" \n", | |
" print 'after load: ', data.load().long_name, '\\n'\n", | |
" \n", | |
" print 'after mean: ', data.mean(dim='time').long_name\n" | |
] | |
} | |
], | |
"metadata": { | |
"kernelspec": { | |
"display_name": "Python 2", | |
"language": "python", | |
"name": "python2" | |
} | |
}, | |
"nbformat": 4, | |
"nbformat_minor": 0 | |
} |
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