small graphical question

[Nathan smith]

Hi Folks,


So this question was originally asked over on the Tutor mailing list as
i was not *entirely* sure it was not just a case of me not knowing
certain symbols.


Apparently alas, it is not just a simple symbols issue.


I'm using a wx.textCtrl and trying to write powers and fractions. For
instance, I would like to write 3 superscript 2 for 3 squared, or 3 over
5 for fractions, without necessarily writing 3/5.


I did a look around and found a question related to this to do with a
multiline Rich Text Widget but I'm hoping to only work with a single
line textCtrl.


Any help is appreciated on which way to approach this issue.

V Best,

Nathan

[Tim Roberts]

Nathan smith wrote:
>
> I'm using a wx.textCtrl and trying to write powers and fractions. For
> instance, I would like to write 3 superscript 2 for 3 squared, or 3
> over 5 for fractions, without necessarily writing 3/5.
>
> I did a look around and found a question related to this to do with a
> multiline Rich Text Widget but I'm hoping to only work with a single
> line textCtrl.

Not in the general case, no.  Unicode does have glyphs for superscript
and subscript 1 through 9, and fractions for 1/2, 1/3, 2/3, 1/4, 3/4,
1/8, 3/8, 5/8, and 7/8, but that's it.  If you're looking for general
case math symbols, then you absolutely need rich text.

--
Tim Roberts, ti...@probo.com
Providenza & Boekelheide, Inc.

[Nathan smith]

Hi Tim.


Really appreciate your response here.

time to dust off my Rich text research and start again!


V best

Nathan

[Chris Barker]

and I"m not sure how far you'll get with raw richtext either, if you need more than the simplest math.

I"d look at matplotlib -- it has a mini TeX implementation for math -- you could probably use it to make bitmaps of the Math, and render those inline with text in a RichTextControl.

Or, if this doesn't need to be dynamic, use TeX, or MPL, or a browser option (MAthML and MathJAX, or ...) for making images of the math.

-CHB

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