import intake
import hvplot.pandas
import hvplot.xarray
import cook_inlet_catalogs as cic
import holoviews as hv

CTD Profiles (EMAP 2002)

CTD Profiles in Cook Inlet

cat = intake.open_catalog(cic.utils.cat_path("ctd_profiles_emap_2002"))

Plot all datasets in catalog

dd, ddlabels = cic.utils.combine_datasets_for_map(cat)
dd.hvplot(**cat.metadata["map"]) * ddlabels.hvplot(**cat.metadata["maplabels"])

List available datasets in the catalog

dataset_ids = list(cat)
dataset_ids
['10',
 '11',
 '12',
 '15',
 '16',
 '17',
 '19',
 '2',
 '20',
 '21',
 '23',
 '24',
 '26',
 '27',
 '28',
 '29',
 '3',
 '30',
 '32',
 '34',
 '35',
 '36',
 '38',
 '4',
 '40',
 '41',
 '45',
 '46',
 '5',
 '50',
 '51',
 '53',
 '54',
 '55',
 '56',
 '58',
 '59',
 '60',
 '61',
 '62',
 '63',
 '64',
 '65',
 '67',
 '68',
 '7',
 '70',
 '71',
 '72',
 '73',
 '74',
 '75',
 '8',
 '9']

Select one dataset to investigate

try:
    dataset_id = dataset_ids[2]
except:
    dataset_id = dataset_ids[0]
print(dataset_id)

dd = cat[dataset_id].read()
dd
12
Cruise Station Type Lon Lat Bot. Depth [m] Depth [m] Temperature [C] Salinity [psu] O2sat [%] obs [ntu] tobs [ntu] chl [mg/m3] datetime
0 1 12 c -151.8598 60.70282 4 0.991 14.1963 22.7161 119.34170 41.6346 24.4659 1.8114 2002-08-01 03:50:00
1 1 12 c -151.8598 60.70282 4 1.981 14.0195 22.8346 104.38952 48.7487 28.9787 2.0757 2002-08-01 03:50:00
2 1 12 c -151.8598 60.70282 4 2.972 13.9308 22.8979 103.02839 54.0378 31.3049 2.2074 2002-08-01 03:50:00
3 1 12 c -151.8598 60.70282 4 3.963 13.8798 22.9469 102.20554 58.6969 35.4645 2.4670 2002-08-01 03:50:00

Plot one dataset

keys = list(cat[dataset_id].metadata["plots"].keys())
print(keys)

plots = []
for key in keys:
    plot_kwargs = cat[dataset_id].metadata["plots"][key]
    if "clim" in plot_kwargs and isinstance(plot_kwargs["clim"], list):
        plot_kwargs["clim"] = tuple(plot_kwargs["clim"])
    if "dynamic" in plot_kwargs:
        plot_kwargs["dynamic"] = False
    plots.append(cat[dataset_id].ToHvPlot(**plot_kwargs).read())
hv.Layout(plots).cols(1)
['data']
---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
Cell In[6], line 11
      9     if "dynamic" in plot_kwargs:
     10         plot_kwargs["dynamic"] = False
---> 11     plots.append(cat[dataset_id].ToHvPlot(**plot_kwargs).read())
     12 hv.Layout(plots).cols(1)

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/latest/lib/python3.11/site-packages/intake/readers/readers.py:121, in BaseReader.read(self, *args, **kwargs)
    119 kw.update(kwargs)
    120 args = kw.pop("args", ()) or args
--> 121 return self._read(*args, **kw)

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/latest/lib/python3.11/site-packages/intake/readers/convert.py:629, in Pipeline._read(self, discover, **kwargs)
    627 kw = kwargs if i == len(self.steps) else {}
    628 if i:
--> 629     data = self._read_stage_n(i, data=data, **kw)
    630 else:
    631     data = self._read_stage_n(i, discover=discover, **kw)

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/latest/lib/python3.11/site-packages/intake/readers/convert.py:615, in Pipeline._read_stage_n(self, stage, discover, **kwargs)
    613         return func(metadata=self.metadata).discover(*arg, **kw2)
    614     else:
--> 615         return func(metadata=self.metadata).read(*arg, **kw2)
    616 elif isinstance(func, BaseReader):
    617     if discover:

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/latest/lib/python3.11/site-packages/intake/readers/readers.py:121, in BaseReader.read(self, *args, **kwargs)
    119 kw.update(kwargs)
    120 args = kw.pop("args", ()) or args
--> 121 return self._read(*args, **kw)

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/latest/lib/python3.11/site-packages/intake/readers/convert.py:62, in BaseConverter._read(self, data, *args, **kwargs)
     60 if isinstance(data, BaseReader):
     61     data = data.read()
---> 62 return self.run(data, *args, **kwargs)

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/latest/lib/python3.11/site-packages/intake/readers/convert.py:192, in ToHvPlot.run(self, data, explorer, **kw)
    189 if explorer:
    190     # this is actually a hvplot.ui:hvPlotExplorer and only allows tabular data
    191     return hvplot.explorer(data, **kw)
--> 192 return hvplot.hvPlot(data, **kw)()

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/latest/lib/python3.11/site-packages/hvplot/plotting/core.py:95, in hvPlotBase.__call__(self, x, y, kind, **kwds)
     92         plot = self._get_converter(x, y, kind, **kwds)(kind, x, y)
     93         return pn.panel(plot, **panel_dict)
---> 95 return self._get_converter(x, y, kind, **kwds)(kind, x, y)

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/latest/lib/python3.11/site-packages/hvplot/converter.py:2066, in HoloViewsConverter.__call__(self, kind, x, y)
   2063                 dataset = Dataset(data)
   2064             dataset = redim_(dataset, **self._redim)
-> 2066         obj = method(x, y)
   2067         obj._dataset = dataset
   2069 if self.crs and self.project:
   2070     # Apply projection before rasterizing

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/latest/lib/python3.11/site-packages/hvplot/converter.py:2601, in HoloViewsConverter.line(self, x, y, data)
   2599 def line(self, x=None, y=None, data=None):
   2600     self._error_if_unavailable('line')
-> 2601     return self.chart(Curve, x, y, data)

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/latest/lib/python3.11/site-packages/hvplot/converter.py:2588, in HoloViewsConverter.chart(self, element, x, y, data)
   2586 charts = []
   2587 for c in y:
-> 2588     ydim = hv.Dimension(c, label=self.value_label)
   2589     kdims, vdims = self._get_dimensions([x], [ydim])
   2590     chart = element(data, kdims, vdims)

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/latest/lib/python3.11/site-packages/holoviews/core/dimension.py:285, in Dimension.__init__(self, spec, **params)
    283     raise ValueError('Dimension name cannot be empty')
    284 if not all_params['label']:
--> 285     raise ValueError('Dimension label cannot be empty')
    287 values = params.get('values', [])
    288 if isinstance(values, str) and values == 'initial':

ValueError: Dimension label cannot be empty