Re: Visualpython-users Digest, Vol 54, Issue 4

John,

I do not know how you change the pos or axis of your arrow but,
let's assume:

aa = arrow(pos=pos, axis=axis)

then, if you change pos and axis like:

aa.pos = newpos
aa.axis = newaxis

the position and the axis of the original (one and only) arrow should be 
changing as you like, without needing any delete / define.

Kadir




________________________________
From: John Doe <[email protected]>
To: visualpython-users-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Sent: Sun, November 14, 2010 9:37:03 PM
Subject: Re: [Visualpython-users] Visualpython-users Digest, Vol 54, Issue 4

Bruce,

I need to delete or clear the arrow because everytime I try to change
the pos or axis, another (a new) arrow appears in that position.  So
then I have several arrows; I only want one.  This is why I need a
clear or delete function for the arrow.

John

On 11/13/10, visualpython-users-request-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
<visualpython-users-request-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org> wrote:
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>    1. Re: VPython clear drawing (Bruce Sherwood)
>    2. VPython - Slackware 13.1 (Sergio Mira)
>    3. Re: VPython - Slackware 13.1 (Bruce Sherwood)
>    4. install glitch and some code (kirby urner)
>    5. Re: install glitch and some code (Bruce Sherwood)
>    6. Re: install glitch and some code (kirby urner)
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 11 Nov 2010 20:03:37 -0700
> From: Bruce Sherwood <[email protected]>
> Subject: Re: [Visualpython-users] VPython clear drawing
> To: visualpython-users-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
> Message-ID:
>     <AANLkTinDVf0EyBEC4zVRY6TSPgEM=FxF5P3U8NBLQeXo-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
> Content-Type: text/plain; charset=ISO-8859-1
>
> It sounds like what you want to do is not delete the arrow but simply
> change its pos and/or axis and/or color attributes. There is no need
> to delete the arrow.
>
> Bruce Sherwood
>
> On Thu, Nov 11, 2010 at 6:34 PM, John Doe <[email protected]> wrote:
>> I have been searching the VPython documentation, and have not been
>> able to find a method to clear drawings.
>>
>> For example, if I were to draw the arrow from the documentation
>> (http://vpython.org/contents/docs/visual/arrow.html), is it possible
>> for me to clear the drawing and plot another arrow at another
>> coordinate? ?Currently, I have been only able to plot arrows on-top of
>> each other.
>>
>> If not, is there a visual.pointer(clear) or visual.pointer(clear)?
>>
>> Thanks,
>> John

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