Re: Tutorial or Example (or Tutorial) of Using Canvas to Produce a Plot

[W. Watson]

Here seems to be another good source. 

W. Watson wrote:
> Ah, I missed your link to Chap 11. That looks very helpful.
> 
> W. Watson wrote:
>> Thanks. I've arranged for an inter-library loan(ILL), and probably 
>> will not get his book for several days yet. I've had the book before, 
>> but was really unable to get the time to pursue it (the ILL). I have 
>> his web site bookmarked. I do not yet plan to buy his book, web or 
>> hardbound yet. Maybe I can re-examine his site for examples, and find 
>> one that is appropriate.
>>
>>
>> Richard Townsend wrote:
>>> On Tue, 18 Sep 2007 13:18:36 -0700, "W. Watson"
>>> <[EMAIL PROTECTED]> wrote:
>>>
 Tk is it. I'm really not interested in the others at this point.

>>>
>>> John Grayson's book 'Python and Tkinter Programming' has a chapter on
>>> plotting Graphs and Charts. You can even download that chapter as a
>>> PDF file:
>>>
>>> http://www.manning-source.com/books/grayson/grayson_ch11.pdf
>>>
>>> See http://www.manning.com/grayson/ for more info about the book.
>>>
>>
> 

-- 
  Wayne Watson (Nevada City, CA)

Web Page: 
-- 
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Re: Tutorial or Example (or Tutorial) of Using Canvas to Produce a Plot

[W. Watson]

I'm just trying to get some feel for how canvas works. I'm about to modify a 
program I use for meteor work. It uses canvas to display images, and I plan 
to draw on the image. For example, I plan to draw compass headings on a 
circle every 30 degrees. Just warming up to the task.

exhuma.twn wrote:
> On Sep 18, 11:58 pm, Richard Townsend <[EMAIL PROTECTED]> wrote:
>> On Tue, 18 Sep 2007 13:18:36 -0700, "W. Watson"
>>
>> <[EMAIL PROTECTED]> wrote:
>>> Tk is it. I'm really not interested in the others at this point.
>> John Grayson's book 'Python and Tkinter Programming' has a chapter on
>> plotting Graphs and Charts. You can even download that chapter as a
>> PDF file:
>>
>> http://www.manning-source.com/books/grayson/grayson_ch11.pdf
>>
>> Seehttp://www.manning.com/grayson/for more info about the book.
> 
> Also, if the graph is really all you need, matplotlib might be a very
> interesting choice:
> http://matplotlib.sourceforge.net/
> 
> It's got some user-interface facilities as well. But I never used
> those so far.
> 

-- 
  Wayne Watson (Nevada City, CA)

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-- 
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Re: Tutorial or Example (or Tutorial) of Using Canvas to Produce a Plot

[exhuma.twn]

On Sep 18, 11:58 pm, Richard Townsend <[EMAIL PROTECTED]> wrote:
> On Tue, 18 Sep 2007 13:18:36 -0700, "W. Watson"
>
> <[EMAIL PROTECTED]> wrote:
> >Tk is it. I'm really not interested in the others at this point.
>
> John Grayson's book 'Python and Tkinter Programming' has a chapter on
> plotting Graphs and Charts. You can even download that chapter as a
> PDF file:
>
> http://www.manning-source.com/books/grayson/grayson_ch11.pdf
>
> Seehttp://www.manning.com/grayson/for more info about the book.

Also, if the graph is really all you need, matplotlib might be a very
interesting choice:
http://matplotlib.sourceforge.net/

It's got some user-interface facilities as well. But I never used
those so far.

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Re: Tutorial or Example (or Tutorial) of Using Canvas to Produce a Plot

[W. Watson]

Ah, I missed your link to Chap 11. That looks very helpful.

W. Watson wrote:
> Thanks. I've arranged for an inter-library loan(ILL), and probably will 
> not get his book for several days yet. I've had the book before, but was 
> really unable to get the time to pursue it (the ILL). I have his web 
> site bookmarked. I do not yet plan to buy his book, web or hardbound 
> yet. Maybe I can re-examine his site for examples, and find one that is 
> appropriate.
> 
> 
> Richard Townsend wrote:
>> On Tue, 18 Sep 2007 13:18:36 -0700, "W. Watson"
>> <[EMAIL PROTECTED]> wrote:
>>
>>> Tk is it. I'm really not interested in the others at this point.
>>>
>>
>> John Grayson's book 'Python and Tkinter Programming' has a chapter on
>> plotting Graphs and Charts. You can even download that chapter as a
>> PDF file:
>>
>> http://www.manning-source.com/books/grayson/grayson_ch11.pdf
>>
>> See http://www.manning.com/grayson/ for more info about the book.
>>
> 

-- 
  Wayne Watson (Nevada City, CA)

Web Page: 
-- 
http://mail.python.org/mailman/listinfo/python-list

Re: Tutorial or Example (or Tutorial) of Using Canvas to Produce a Plot

[W. Watson]

Thanks. I've arranged for an inter-library loan(ILL), and probably will not 
get his book for several days yet. I've had the book before, but was really 
unable to get the time to pursue it (the ILL). I have his web site 
bookmarked. I do not yet plan to buy his book, web or hardbound yet. Maybe I 
can re-examine his site for examples, and find one that is appropriate.


Richard Townsend wrote:
> On Tue, 18 Sep 2007 13:18:36 -0700, "W. Watson"
> <[EMAIL PROTECTED]> wrote:
> 
>> Tk is it. I'm really not interested in the others at this point.
>>
> 
> John Grayson's book 'Python and Tkinter Programming' has a chapter on
> plotting Graphs and Charts. You can even download that chapter as a
> PDF file:
> 
> http://www.manning-source.com/books/grayson/grayson_ch11.pdf
> 
> See http://www.manning.com/grayson/ for more info about the book.
> 

-- 
  Wayne Watson (Nevada City, CA)

Web Page: 
-- 
http://mail.python.org/mailman/listinfo/python-list

Re: Tutorial or Example (or Tutorial) of Using Canvas to Produce a Plot

[Richard Townsend]

On Tue, 18 Sep 2007 13:18:36 -0700, "W. Watson"
<[EMAIL PROTECTED]> wrote:

>Tk is it. I'm really not interested in the others at this point.
>

John Grayson's book 'Python and Tkinter Programming' has a chapter on
plotting Graphs and Charts. You can even download that chapter as a
PDF file:

http://www.manning-source.com/books/grayson/grayson_ch11.pdf

See http://www.manning.com/grayson/ for more info about the book.

-- 
http://mail.python.org/mailman/listinfo/python-list

Re: Tutorial or Example (or Tutorial) of Using Canvas to Produce a Plot

[W. Watson]

Tk is it. I'm really not interested in the others at this point.

Grant Edwards wrote:
> On 2007-09-18, W. Watson <[EMAIL PROTECTED]> wrote:
> 
>> What would be appropriate? What are the choices? I'm pretty new to Python, 
>> but am familiar with the XWindow widget set.
> 
> There's no such thing as "the XWindow widget set".  There are
> at least 8-10 different X Windows widget sets.  The ones that I
> can name off the top of my head:
> 
>  Tk
>  Athena
>  Motif
>  FLTK
>  GTK
>  Qt
>  XRT 
>  WxWidgets (actually sort of meta-widget-set)
> 
> http://en.wikipedia.org/wiki/Widget_toolkit
> 
> http://en.wikipedia.org/wiki/List_of_widget_toolkits#On_Unix.2C_under_the_X_Window_System
>  

-- 
  Wayne Watson (Nevada City, CA)

Web Page: 
-- 
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Re: Tutorial or Example (or Tutorial) of Using Canvas to Produce a Plot

[Grant Edwards]

On 2007-09-18, W. Watson <[EMAIL PROTECTED]> wrote:

> What would be appropriate? What are the choices? I'm pretty new to Python, 
> but am familiar with the XWindow widget set.

There's no such thing as "the XWindow widget set".  There are
at least 8-10 different X Windows widget sets.  The ones that I
can name off the top of my head:

 Tk
 Athena
 Motif
 FLTK
 GTK
 Qt
 XRT 
 WxWidgets (actually sort of meta-widget-set)

http://en.wikipedia.org/wiki/Widget_toolkit

http://en.wikipedia.org/wiki/List_of_widget_toolkits#On_Unix.2C_under_the_X_Window_System
 
-- 
Grant Edwards   grante Yow! As President I have
  at   to go vacuum my coin
   visi.comcollection!
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Re: Tutorial or Example (or Tutorial) of Using Canvas to Produce a Plot

[kyosohma]

On Sep 18, 12:23 pm, "W. Watson" <[EMAIL PROTECTED]> wrote:
> What would be appropriate? What are the choices? I'm pretty new to Python,
> but am familiar with the XWindow widget set. I think it is available under
> Python, but if there's a more suitable choice, that's fine. I would think
> Tkinter would be the simplest choice. Yes, Tkinter would be preferable. It
> seems to be the GUI of choice.
>
> Grant Edwards wrote:
> > On 2007-09-18, W. Watson <[EMAIL PROTECTED]> wrote:
>
> >> I'm looking for an example with canvas that produces, say, a
> >> complete x-y plot of some data.
>
> > With what widget set?
>
> --
>   Wayne Watson (Nevada City, CA)
>
> Web Page: 

I've heard a lot about drawing with the wxPython widget set as well.

Some examples:

http://wiki.wxpython.org/RecipesImagesAndGraphics

Mike

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Re: Tutorial or Example (or Tutorial) of Using Canvas to Produce a Plot

[W. Watson]

What would be appropriate? What are the choices? I'm pretty new to Python, 
but am familiar with the XWindow widget set. I think it is available under 
Python, but if there's a more suitable choice, that's fine. I would think 
Tkinter would be the simplest choice. Yes, Tkinter would be preferable. It 
seems to be the GUI of choice.

Grant Edwards wrote:
> On 2007-09-18, W. Watson <[EMAIL PROTECTED]> wrote:
> 
>> I'm looking for an example with canvas that produces, say, a
>> complete x-y plot of some data.
> 
> With what widget set?
> 

-- 
  Wayne Watson (Nevada City, CA)

Web Page: 
-- 
http://mail.python.org/mailman/listinfo/python-list

Re: Tutorial or Example (or Tutorial) of Using Canvas to Produce a Plot

[Grant Edwards]

On 2007-09-18, W. Watson <[EMAIL PROTECTED]> wrote:

> I'm looking for an example with canvas that produces, say, a
> complete x-y plot of some data.

With what widget set?

-- 
Grant Edwards   grante Yow! I'm a nuclear
  at   submarine under the
   visi.compolar ice cap and I need
   a Kleenex!
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Tutorial or Example (or Tutorial) of Using Canvas to Produce a Plot

[W. Watson]

I'm looking for an example with canvas that produces, say, a complete x-y 
plot of some data. By that I mean, it should do something like the following:

1. Produce x-y axes. The x-axis should be blue and the y-axis
should be green
2. Put a label on each axis (vertical and horizontal text)
3. Plot some data (3 points is enough) and connect the points
with a dashed line. Color one line red and the other green.
4. Position a title at some arbitrary place inside the x-y axes.
That is, not just a title above and outside the top of the
x-y area.

I just want to see how it's done. I'm not interested in a full-blown canned 
class or widget that does an x-y plot given some data. If not exactly the 
above, then something like it that gives me some idea of how to do such a 
graph. Maybe there's a tutorial that does something like this as an example.

-- 
  Wayne Watson (Nevada City, CA)

Web Page: 
-- 
http://mail.python.org/mailman/listinfo/python-list