turtle.py and vpython

[A. Jorge Garcia]

I'm curious if anyone has had success with turtle graphics in python.
Can this be done in SAGE?

Also, can we use VPython in SAGE?

TIA,
A. Jorge Garcia
Applied Math and CompSci
http://shadowfaxrant.blogspot.com
http://www.youtube.com/calcpage2009

[William Stein]

On Sun, Nov 20, 2011 at 1:35 PM, A. Jorge Garcia <calc...@aol.com> wrote:
> I'm curious if anyone has had success with turtle graphics in python.
> Can this be done in SAGE?

Hi,

Given that this [1] is called "Turtle Graphics for Tk" (which is
included standard in Python 2.6, 2.7, etc.), it will not work in the
Sage notebook remotely.

That said, for me with Sage-4.7.3 on OS X turtle graphics *just work*
already on the command line. Whether it works or not with a random
Sage install will depend on whether or not one has Tk graphics
support.

Looking over the API from [1], I think it would be really cool to make
a version of this that does work in the notebook. It would be a
great project for somebody to make something with the same API at [1]
that works in the Sage notebook cleanly, using perhaps HTML5 canvas or
something. I would try to do this right now (simply because it would
be really fun), but I don't have infinite time anymore. I don't know
whether I would use (or reuse) any of the code in Python's turtle
module or not.

[1] http://docs.python.org/library/turtle.html

>
> Also, can we use VPython in SAGE?
>
> TIA,
> A. Jorge Garcia
> Applied Math and CompSci
> http://shadowfaxrant.blogspot.com
> http://www.youtube.com/calcpage2009
>

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--
William Stein
Professor of Mathematics
University of Washington
http://wstein.org

[A. Jorge Garcia]

OK, what about VPython? Can we do animations such as these

http://showmedo.com/videotutorials/series?name=pythonThompsonVPythonSeries

with jmol or tachyon?

TIA,
A. Jorge Garcia
Applied Math and CompSci
http://shadowfaxrant.blogspot.com
http://www.youtube.com/calcpage2009

[Jurgis Pralgauskis]

> Looking over the API from [1], I think it would be really cool to make
> a version of this that does work in the notebook.   It would be a
> great project for somebody to make something with the same API at [1]
> that works in the Sage notebook cleanly, using perhaps HTML5 canvas or
> something.   I would try to do this right now (simply because it would
> be really fun), but I don't have infinite time anymore.   I don't know
> whether I would use (or reuse) any of the code in Python's turtle
> module or not.
> [1] http://docs.python.org/library/turtle.html

Andre Roberge had some experiments
http://code.google.com/p/crunchy/source/browse/trunk/crunchy/src/imports/turtle_js.py
maybe http://raphaeljs.com/ could help also

http://www.learnpython.org/ has some live online turte!
just havent examined the code...

the idea could complement http://people.csail.mit.edu/pgbovine/python/
very well for programming education :)

--
Jurgis Pralgauskis
tel: 8-616 77613;
Don't worry, be happy and make things better ;)
http://kompiuterija.pasimokom.lt

[A. Jorge Garcia]

I was just curious. My students and I have Python 2.6 on our Ubuntu boxes. We added IDLE, and vpython. The turtle module was already installed . We are spoiled with SAGE. We only now started playing with IDLE and our own python source files such as turtleTester.py

Thanx,

A. Jorge Garcia
Applied Math and CompSci
http://shadowfaxrant.blogspot.com
http://www.youtube.com/calcpage2009

Sent via DROID on Verizon Wireless

[A. Jorge Garcia]

William Stein &lt;wst...@gmail.com&gt; wrote:On Sun, Nov 20, 2011 at
1:35 PM, A. Jorge Garcia &lt;calc...@aol.com&gt; wrote:
&gt; I'm curious if anyone has had success with turtle graphics in
python.
&gt; Can this be done in SAGE?

Hi,

Given that this [1] is called "Turtle Graphics for Tk" (which is
included standard in Python 2.6, 2.7, etc.), it will not work in the
Sage notebook remotely.

That said, for me with Sage-4.7.3 on OS X turtle graphics *just work*
already on the command line. Whether it works or not with a random
Sage install will depend on whether or not one has Tk graphics
support.

Looking over the API from [1], I think it would be really cool to make
a version of this that does work in the notebook. It would be a
great project for somebody to make something with the same API at [1]

that works in the Sage notebook cleanly, using perhaps HTML5 canvas or

something. I would try to do this right now (simply because it would
be really fun), but I don't have infinite time anymore. I don't know
whether I would use (or reuse) any of the code in Python's turtle
module or not.

[1] http://docs.python.org/library/turtle.html

I was just curious. My students and I have Python 2.6 on our Ubuntu

boxes. We added IDLE, and vpython. The turtle module was already

installed. We are spoiled with SAGE. We only now started playing with
IDLE and our own source files!

Regards,