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[Diego Fregolente <question201807@xxxxxxxxxxxxxxxxxxxxx>]

Question #201807 on Yade changed:
https://answers.launchpad.net/yade/+question/201807

    Status: Answered => Open

Diego Fregolente is still having a problem:
Hello Chiara and Chareyne

Thank you very much for your message and I am sorry for my late reply.
I downloaded yade following the instruction on the internet, namely
https://yade-dem.org/doc/installation.html ,
and the example which I was trying to run (rotating-cylinder.py) came with
yade  in the the folder /home/user/yade/examples/baraban
That's why I assumed that it should work and when I got the error message I
thought it could be my mistake.

best regards
Diego

2012/6/29 Chiara Modenese <question201807@xxxxxxxxxxxxxxxxxxxxx>

> Your question #201807 on Yade changed:
> https://answers.launchpad.net/yade/+question/201807
>
>     Status: Open => Answered
>
> Chiara Modenese proposed the following answer:
> Hi Diego,
>
> The error you mention occurs simply because you are using an older
> version of Yade where gravity was not yet an attribute of
> NewtonIntegrator class (exactly what the message tells you). You can
> either update to the latest version or use yade-daily from packages.
>
> If, for any reason, you prefer to stick to the version you are currently
> working on, you should read something like this in the list of engines:
>
> ...
> GravityEngine(gravity=(0,-1e3,0)),
> NewtonIntegrator(),
> ...
>
> HTH,
> Chiara
>
>
> On 29 Jun 2012, at 16:41, Diego Fregolente wrote:
>
> > New question #201807 on Yade:
> > https://answers.launchpad.net/yade/+question/201807
> >
> > Dear all
> >
> > I am very sorry if I am going to make a foolish question but, I just
> > started to use YADE and I am trying to run some of the examples.
> > Unfortunately , when I tried to run the program rotating-cilinder.py I
> > got the following error.
> >
> > ~/yade/examples/baraban$ yade -x rotating-cylinder.py
> > Welcome to Yade 0.60.3
> > TCP python prompt on localhost:9000, auth cookie `saskye'
> > XMLRPC info provider on http://localhost:21000
> >
> > Running script rotating-cylinder.py
> > Generating cloud…
> > Traceback (most recent call last):
> >   File "/usr/bin/yade", line 152, in runScript
> >     execfile(script,globals())
> >   File "rotating-cylinder.py", line 49, in <module>
> >
> >     NewtonIntegrator(damping=.3,gravity=(0,0,-1e3)), # gravity
> > artificially high, to make it faster going ;-)
> > AttributeError: No such attribute: gravity.
> >
> > Please could you tell me how can I fix it?
> >
> > with very best regards
> > Diego
> >
> > --
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--

Diego Fregolente Mendes de Oliveira
Institute for Multiscale Simulations - Friedrich-Alexander Universität
   Naegelsbachstrasse 49b               D-91052 - Erlangen - Germany
            diegofregolente@xxxxxxxxx
https://sites.google.com/site/diegofregolente/

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