Thanks Doug,
I've got something working thanks to your help.
I've now got another question, this time about randomness.
I would like to test various subsumption robots on a given task to
see which is "best" (finds a light in the fewest number of steps).
Various subsumption brains use randomness in various ways. But I had
hoped that when I initialized initialized a brain (via its __init__
function), that if I put something like:
random.seed(foo)
where foo is an integer passed in and successfully parsed via Pyro's -
a flag, that a run could be made to always use the same random
decisions (and hence be repeatable).
The first to runs I had, setting the seed, found a light in 63 and
then 64 steps. The traces are similar. But the 3rd time I ran this,
it found a completely different way.
What does one need to do to properly seed a RNG so that a robot
always takes the same path?
Thanks,
--b
p.s. It is really great to be able to play w/subsumption using Pyro;
thanks!
On Mar 9, 2007, at 6:37 AM, Douglas S. Blank wrote:
Belinda,
I don't remember the details, but I know that pyrobot stores the
string
argument to -a in gui.engine.args . You'll have to parse it, maybe
something like:
args = gui.engine.args.split(",")
for a in args:
name, value = a.split.("=")
I forget how you get the gui object from a brain (I'm on the road
right
now), but maybe that will give you a pointer. More later...
-Doug
On Thu, March 8, 2007 10:25 pm, belinda thom said:
Hi,
I asked this question a couple months ago, and didn't get an answer,
so I'm trying again.
Hw can one pass info into a world file from the command line?
For instance, if I try:
42 % pyrobot -a foo=test -s PyrobotSimulator -w BsWorld.py -r
PyrobotRobot60000 -b BraitenbergVehicle1.py &
[1] 5536
and then put an
import sys
print sys.argv
into my world file, and i see:
['/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/
site-packages/pyrobot/plugins/simulators/PyrobotSimulator',
'5536', 'BsWorld.py']
which looses the info about foo=test that the -a argument passes to
something.
Thanks,
--b
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--
Douglas S. Blank
Associate Professor, Bryn Mawr College
http://cs.brynmawr.edu/~dblank/
Office: 610 526 6501
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