[Numpy-discussion] question about standalone small software and teaching
Sebastian Haase
haase@msg.ucsf....
Wed Apr 4 18:46:59 CDT 2007
Hello Gael,
Short question regarding your tutorial -- I'm very intrigued by traits
and would like to use them too ....
Why do you define e.g. the Point class like this:
class Point(object):
""" 3D Point objects """
x = 0.
y = 0.
z = 0.
and not like this:
class Point(object):
""" 3D Point objects """
def __init__(self):
self.x = 0.
self.y = 0.
self.z = 0.
I thought in the first case, if one did "a = Point(); a.x = 6" that
from then on ANY new point ( "b = Point()" ) would be created with b.x
being 6 -- because 'x' is a class attribute and nor a instance
attribute !?
This is obviously a beginners question - and I'm hopefully missing something.
Thanks,
Sebastian Haase
On 4/3/07, Gael Varoquaux <gael.varoquaux@normalesup.org> wrote:
> You can do a script with a GUI front end, as described in the first
> chapter of my tutorial
> http://gael-varoquaux.info/computers/traits_tutorial/traits_tutorial.html
> . You can also build a complete interactive application, as described in
> the rest of the tutorial, but this is more work.
>
> If you have more questions about this approach feal free to ask.
>
> Gaël
>
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