visualpython-users

[Visualpython-users] is there a label attribute for objects?

[Paul C. <PC...@sp...>]

I'm thinking something like an arrow with text under it that says 
something like "v1 = 10 m/s"

I know I can create a label object separately and make it move around but 
that would be a tedious hassle for my students to do. They have enough 
trouble getting a functional animation.


Dr. Paul J. Camp
Physics Department
Spelman College
Atlanta, GA   30314
404-270-5864

"The beauty of the cosmos derives not only from unity in variety
       but also from variety in unity"
                 -- Umberto Eco
                     The Name of the Rose

Re: [Visualpython-users] is there a label attribute for objects?

[Mark J. <dre...@gm...>]

That's an interesting idea.  Most Labels *are* attached to objects.
If an objects label attribute is None, display nothing.

The problem is that Label currently has it's *own* set of attributes,
so one would have to make all Labels have the same characteristics
(which might be acceptable and could be settable in the Frame or
Display object).

Probably is better than Python and the programmer handling all those
separate Label objects.

My $0.02...

Mark

Re: [Visualpython-users] is there a label attribute for objects?

[Kadir H. <kha...@ya...>]

You can define a new simple label function of your own, which is "attached" to an object like the following example:

from visual import *

bb = box()

def objLabel(object, **kwargs):
    ll = label(pos=object.pos, **kwargs)
    return ll


ol = objLabel(bb, text="Center of a Box")

So now instead of using VPython label function, they can use objLabel function, with an object attached to it.

Kadir




________________________________
 From: Mark Janssen <dre...@gm...>
To: Paul Camp <PC...@sp...> 
Cc: vpusers <vis...@li...> 
Sent: Friday, August 23, 2013 2:06 AM
Subject: Re: [Visualpython-users] is there a label attribute for objects?
 

That's an interesting idea.  Most Labels *are* attached to objects.
If an objects label attribute is None, display nothing.

The problem is that Label currently has it's *own* set of attributes,
so one would have to make all Labels have the same characteristics
(which might be acceptable and could be settable in the Frame or
Display object).

Probably is better than Python and the programmer handling all those
separate Label objects.

My $0.02...

Mark

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Re: [Visualpython-users] is there a label attribute for objects?

[Paul C. <PC...@sp...>]

Thanks! Bruce suggested the same solution. I'll try it out.


Dr. Paul J. Camp
Physics Department
Spelman College
Atlanta, GA   30314
404-270-5864

"The beauty of the cosmos derives not only from unity in variety
       but also from variety in unity"
                 -- Umberto Eco
                     The Name of the Rose



From:   Kadir Haldenbilen <kha...@ya...>
To:     Mark Janssen <dre...@gm...>, Paul Camp 
<PC...@sp...>
Cc:     vpusers <vis...@li...>
Date:   08/23/2013 03:11 AM
Subject:        Re: [Visualpython-users] is there a label attribute for 
objects?



You can define a new simple label function of your own, which is 
"attached" to an object like the following example:

from visual import *

bb = box()

def objLabel(object, **kwargs):
    ll = label(pos=object.pos, **kwargs)
    return ll


ol = objLabel(bb, text="Center of a Box")

So now instead of using VPython label function, they can use objLabel 
function, with an object attached to it.

Kadir


From: Mark Janssen <dre...@gm...>
To: Paul Camp <PC...@sp...> 
Cc: vpusers <vis...@li...> 
Sent: Friday, August 23, 2013 2:06 AM
Subject: Re: [Visualpython-users] is there a label attribute for objects?

That's an interesting idea.  Most Labels *are* attached to objects.
If an objects label attribute is None, display nothing.

The problem is that Label currently has it's *own* set of attributes,
so one would have to make all Labels have the same characteristics
(which might be acceptable and could be settable in the Frame or
Display object).

Probably is better than Python and the programmer handling all those
separate Label objects.

My $0.02...

Mark

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