Re: [Visualpython-users] About trace - was: 'No module named visual' after compiling

[Spiderdab <77...@ti...>]

On lun, 2012-01-30 at 19:33 +0100, Spiderdab wrote:
> I'm sorry, i don't know why it didn't answer to the list.
> 
> On dom, 2012-01-29 at 18:18 -0700, Bruce Sherwood wrote:
> > Perhaps you missed this comment in INSTALL.txt?
> > 
> > "You will also need to copy vpython-core2/src/gtk2/site-packages.pth to
> > /usr/lib/python2.6/dist-packages to put /usr/lib/python2.6/site-packages
> > on the Python search path."
> > 
> > The details depend on how you specified the configure options, but
> > there was a change in Ubuntu to remove site-packages from the module
> > search path.
> > 
> > Bruce Sherwood
> > 
> Thanks for answering.
> Yes, That was the missing part. I didn't find that, because i was
> searching for 'vpython-core2'.. maybe that's not clear into
> documentation.
> 
> Now i'm finally playing with the trail functionality.
> I would like to turn it on and off, in a way that after i turn it on
> again, the old trace will be erased.
> is there a display cleaner function, or maybe do i have to delete trace
> object?
> 
> Thanks, Davide.
> 
Hallo again,
i'm trying this way:
if sc.kb.keys:
	k = sc.kb.getkey()
	if k == "y":
		#trace = 1
		ufo = w.box(pos=(0,0,0), size=(50,50,50), make_trail=True,
trail_type="curve", interval=50, retain=50)
		#ufo.trail_object.visible = trace
		ufo.trail_object.color=grigio
	if k == "n":
		#trace = 0
		ufo.trail_object.visible = 0
		del ufo.trail_object

because i've read into the docs on the site that one must make an object
invisible before deleting.
but when i press 'n' to delete the trail_object, it returns a
'Segmentation fault'.

Can someone tell me what i'm doing wrong?
Thanks, Davide.


> > On Sun, Jan 29, 2012 at 5:16 PM, Spiderdab <77...@ti...> wrote:
> > > Hi all, I'm trying to compile visual 5.72 because the one inside ubuntu
> > > packages is a little old, and i need the trail feature.
> > > After a lot of stress i could compile, on my ubuntu lucid 10.04, but
> > > then i can't find where the lib is!
> > > if i write:
> > > import visual
> > >
> > > the resulting error is:
> > >>>> import visual
> > > Traceback (most recent call last):
> > >  File "<stdin>", line 1, in <module>
> > > ImportError: No module named visual
> > >
> > > doing a locate visual gives me no module, only a vpython
> > > inside /usr/bin/
> > >
> > > What's my error?
> > > or do i have to symlink something?
> > >
> > > Thanks, Davide.
> > >
> > >
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