In course of adding a Label annotation (the current PR is at: Add label annotation by canavandl · Pull Request #3956 · bokeh/bokeh · GitHub), I generated a couple of questions about the current annotations implementation. Note: the distinction between glyphs and annotations is that annotations don’t support hit-testing and aren’t selectable.
Namely, is it worth vectorizing the implementations of the current Box and Span annotations?
Currently, each annotation is individually created (here’s an example from the User Guide: Plotting with basic glyphs — Bokeh 2.4.2 Documentation). Are there cases and/or visualizations where the user would want to create and manage such a large number of annotations that the non-vectorized implementation would be a problem?
If box and span annotations are acceptable as is, would having vectorized Label annotations be a confusing api difference?
I think having the
option for vectorized would be great.
M aybe we
could consider the vectorized a special case and require
the explicit use of “field”
from properties? And if you don’t use “field” your input is always
considered a value?
Best,
Bird
···
On 3/28/16 10:04 AM,
wrote:
[email protected]
In course of adding a Label annotation (the current
PR is at: ), I generated
a couple of questions about the current annotations
implementation. Note: the distinction between glyphs and
annotations is that annotations don’t support hit-testing and
aren’t selectable.
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Sarah Bird
Developer, Bokeh
[
](http://continuum.io)
https://github.com/bokeh/bokeh/pull/3956
Namely, is it worth vectorizing the implementations of the
current Box and Span annotations?
Currently, each annotation is individually created (here's
an example from the User
Guide: ).
Are there cases and/or visualizations where the user would
want to create and manage such a large number of annotations
that the non-vectorized implementation would be a problem?
http://bokeh.pydata.org/en/latest/docs/user_guide/plotting.html#box-annotations
If box and span annotations are acceptable as is, would
having vectorized Label annotations be a confusing api
difference?
https://groups.google.com/a/continuum.io/d/msgid/bokeh/2dbbd068-d64f-4b57-b297-9510d7bae64a%40continuum.io
https://groups.google.com/a/continuum.io/d/optout