On Wed, Jun 1, 2011 at 4:37 PM, Gregor Lingl <gregor.li...@aon.at> wrote:
> Hi Jeff, > > I think Corey's solution is the canonical one and quite ok. > > Just a few remarks concerning the your problem and the turtle module. > > 1. The present solution for the turtle.Screen() window was introduced by > Vern Ceder for the previous module (as far as I rembmber) and had to be > retained for upward compatibility reasons. > Indeed, I added that as a hack to give some ability to change screen size on startup. > 2. I'm also finding the inability of turtle.Screen() to take screen size > arguments > a deficiency. So you could propose your idea to the python issue tracker > (or if you prefer I could do this also). This will be relevant for Python > 3.3 only > but I'm definitely interested to implement additions and amendments like > this. > (According to the Python 3.3 release schedule, this must be done until > June. 23rd 2012 (!). This should be no problem.) > I personally don't think that using turtle.Screen() is the way to go with the new version of the turtle library, but it is handy to have it for older examples. > 3. There is (at least) one more way to adjust the initial screensize, > namely by > putting an appropriate entry into a turtle.cfg file. You can customize some > more properties with this file). See > > 22.1.6.3 How to configure Screen and Turtles in the Python-Docs: > > > http://docs.python.org/library/turtle.html#how-to-configure-screen-and-turtles > > I used this for my book "Python für Kids" where I wanted a consistent > appearance of the turtle window. > This is what I used in our "TurtleLab" project that I showed some of you at the 2010 PyCon... for the source of an earlier version, see https://bitbucket.org/vceder/turtlelab/wiki/Home . I'm not actively maintaining it, but my assistant Simon Ruiz has worked on it quite a bit, if there's interest I'll get his latest version merged into the repository. In general we've found the current turtle library to be pretty flexible and robust. Cheers, Vern > 4. There are essentially only two classes to be used from the turtle > Module. > > So if you want to work object-based, it is possible to do this by > > from turtle import Screen, Turtle > > I found this to be a bit less verbose and also useful in order to avoid > confusion of > module turtle and class Turtle. (I think to some degree this is a matter of > taste) > > 5. Probably you will stumble about some other weird features of the module > or > have some bright ideas for amendments or you will have some more questions > converning turtle.py. I'm definitely wanting to discuss these with you and > others. > Perhaps we could arrive at a still better turtle module for Python 3.3. > (But please keep in mind the compatibility requirements for modules in the > standard library). > > Best regards > > Gregor Lingl > > Am 31.05.2011 22:59, schrieb Jeff Elkner: > > Hi All, >> >> I'm working on an introductory CS book using Python with the turtle >> module, but I'm finding the inability of turtle.Screen() to take >> screen size arguments to be a real pain. The screen size appears to >> depend on the screen size of the host environment, which means >> standardizing screen shots for the book becomes impossible. >> >> Any thoughts on this issue? It would be a huge help in promoting >> Python's use in education if we could make use of such a potentially >> fine module as the turtle module, but I'm finding it very difficult to >> write curriculum materials that use it since students don't have >> control over the turtle's screen in any easy to use way. >> >> Thanks! >> >> jeff elkner >> open book project >> http://openbookproject.net >> _______________________________________________ >> Edu-sig mailing list >> Edu-sig@python.org >> http://mail.python.org/mailman/listinfo/edu-sig >> >> _______________________________________________ > Edu-sig mailing list > Edu-sig@python.org > http://mail.python.org/mailman/listinfo/edu-sig > -- Vern Ceder vce...@gmail.com, vce...@dogsinmotion.com The Quick Python Book, 2nd Ed - http://bit.ly/bRsWDW
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