Node Density Plot

>>> #
>>> # TEST PREPARATION
>>> #
>>> from techminer2.thesaurus.descriptors import ApplyThesaurus, CreateThesaurus
>>> CreateThesaurus(root_directory="example/", quiet=True).run()
>>> ApplyThesaurus(root_directory="example/", quiet=True).run()

>>> #
>>> # CODE TESTED
>>> #
>>> from techminer2.packages.networks.co_occurrence.author_keywords import NodeDensityPlot
>>> plot = (
...     NodeDensityPlot()
...     #
...     # FIELD:
...     .having_terms_in_top(20)
...     .having_terms_ordered_by("OCC")
...     .having_term_occurrences_between(None, None)
...     .having_term_citations_between(None, None)
...     .having_terms_in(None)
...     #
...     # NETWORK:
...     .using_association_index("association")
...     #
...     #
...     .using_spring_layout_k(None)
...     .using_spring_layout_iterations(30)
...     .using_spring_layout_seed(0)
...     #
...     .using_textfont_size_range(10, 20)
...     .using_kernel_bandwidth(0.1)
...     .using_colormap("Aggrnyl")
...     .using_contour_opacity(0.6)
...     #
...     # DATABASE:
...     .where_root_directory_is("example/")
...     .where_database_is("main")
...     .where_record_years_range_is(None, None)
...     .where_record_citations_range_is(None, None)
...     .where_records_match(None)
...     #
...     .run()
... )
>>> # plot.write_html("docs_src/_generated/packages/networks/co_occurrence/author_keywords/node_density_plot.html")