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81 lines
3.0 KiB
Plaintext
81 lines
3.0 KiB
Plaintext
//- 💫 DOCS > USAGE > VISUALIZERS > ENTITIES
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p
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| The entity visualizer, #[code ent], highlights named entities and
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| their labels in a text.
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+code("Named Entity example").
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import spacy
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from spacy import displacy
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text = """But Google is starting from behind. The company made a late push
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into hardware, and Apple’s Siri, available on iPhones, and Amazon’s Alexa
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software, which runs on its Echo and Dot devices, have clear leads in
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consumer adoption."""
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nlp = spacy.load('custom_ner_model')
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doc = nlp(text)
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displacy.serve(doc, style='ent')
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+codepen("a73f8b68f9af3157855962b283b364e4", 345)
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p The entity visualizer lets you customise the following #[code options]:
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+table(["Name", "Type", "Description", "Default"])
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+row
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+cell #[code ents]
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+cell list
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+cell
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| Entity types to highlight (#[code None] for all types).
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+cell #[code None]
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+row
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+cell #[code colors]
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+cell dict
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+cell
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| Color overrides. Entity types in lowercase should be mapped to
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| color names or values.
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+cell #[code {}]
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p
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| If you specify a list of #[code ents], only those entity types will be
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| rendered – for example, you can choose to display #[code PERSON] entities.
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| Internally, the visualizer knows nothing about available entity types and
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| will render whichever spans and labels it receives. This makes it
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| especially easy to work with custom entity types. By default, displaCy
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| comes with colours for all
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| #[+a("/api/annotation#named-entities") entity types supported by spaCy].
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| If you're using custom entity types, you can use the #[code colors]
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| setting to add your own colours for them.
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+aside-code("Options example").
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colors = {'ORG': 'linear-gradient(90deg, #aa9cfc, #fc9ce7)'}
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options = {'ents': ['ORG'], 'colors': colors}
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displacy.serve(doc, style='ent', options=options)
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+codepen("f42ec690762b6f007022a7acd6d0c7d4", 300)
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p
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| The above example uses a little trick: Since the background colour values
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| are added as the #[code background] style attribute, you can use any
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| #[+a("https://tympanus.net/codrops/css_reference/background/") valid background value]
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| or shorthand — including gradients and even images!
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+h(3, "ent-titles") Adding titles to documents
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p
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| Rendering several large documents on one page can easily become confusing.
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| To add a headline to each visualization, you can add a #[code title] to
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| its #[code user_data]. User data is never touched or modified by spaCy.
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+code.
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doc = nlp(u'This is a sentence about Google.')
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doc.user_data['title'] = 'This is a title'
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displacy.serve(doc, style='ent')
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p
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| This feature is espeically handy if you're using displaCy to compare
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| performance at different stages of a process, e.g. during training. Here
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| you could use the title for a brief description of the text example and
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| the number of iterations.
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