<jupyter_start><jupyter_text>ECMWF Observation bespoke format (ODB)<jupyter_code>import climetlab as cml
source = cml.load_source("mars", 
                         type="ofb",
                         obsgroup="conv",
                         time="12",
                         format="odb",
                         reportype=16001,
                         date="2020-05-18")
pd = source.to_pandas()
pd
cml.plot_map(pd)<jupyter_output>Magics-ERROR: CairoDriver: the output file (png) could NOT be generated! -> invalid value (typically too big) for the size of the input (surface, pattern, etc.)

Magics-warning: Cairo > invalid value (typically too big) for the size of the input (surface, pattern, etc.)

Magics-ERROR: PNG could NOT be written - invalid value (typically too big) for the size of the input (surface, pattern, etc.)

Magics-ERROR: ^^^^^^^^^^^^^^^^^^^^^^^^
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{'chain_length': '1', 'dir': 'jupyter-structured-clean-dedup', 'id': '302277', 'license': 'Apache-2.0', 'n_tokens_mistral': 272, 'n_tokens_neox': 246, 'n_words': 80, 'path': 'docs/examples/08-mars-odb.ipynb', 'repo_name': 'sylvielamythepaut/climetlab', 'size': '875'}