On Wednesday, March 24, 2021 at 5:49:41 AM UTC+9 Eric Gourgoulhon wrote:
> Le mardi 23 mars 2021 à 20:28:45 UTC+1, wst...@gmail.com a écrit :
>
>> Because I created this years before Jupyter started...
>>
>
> Ah yes!
>
> it would be great to redo it.
>>
>
> As a starting point, it would suffice to endow the class SageObject with a
> method _repr_latex_ defined as something like
>
> def _repr_latex_(self):
> try:
> return '$' + str(latex(self)) + '$'
> except ...:
> return None # if None is returned, the plain text is used
>
> Certainly, this would require some fine tuning and the treatment of
> specific cases.
>
> Similar things could be done with _repr_svg_, _repr_png_, etc...
>
Let me summarize the present situation, which should be the starting point.
Presently,
def _latex_(self):
....
defines the latex representation of the object, which you can get by
latex(obj)
This latex representation is oriented for latex typesetting, originally for
printing on paper. You can view it by
view(obj)
on the screen instead. On the other hand,
show(obj)
shows the html+mathjax representation (the rich output) of the object,
which you can get by
html(obj)
Presently this html+mathjax representation is also defined by the above
latex(obj)! This makes it difficult to provide a proper html+mathjax
representation of the object, when necessary. Hence the ticket lets you
provide it by
def _html_(self):
...
if you do not like the default html+mathjax representation computed from
the latex representation.
By the way, you can always override the rich output of an object by
defining
def _rich_repr_(self):
...
which may provide any representation (svg, png, ...) supported by the
frontend(=backend).
I think we should distinguish the html+mathjax representation clearly from
the latex representation. This is the aim of the ticket.
Logically then %display latex should be renamed to %display html. Hence the
title of this thread.
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