Re: [Playerstage-users] player 3.0.2/stage 4.0.0 help in using ranger~ python

[techyfunky <wri...@gm...>]

hi Jenson

Finally my guide checked out and said that player have some internal
dependencies broken in them. So i didnt proceed any further from there.

Arun ks 
 

ejensen wrote:
> 
> Did you figure out how to get the ranger interface working?  I am having
> the same problem.
> 
> -E. Jensen
> 
> 
> techyfunky wrote:
>> 
>> Hello all 
>> I am new to player/stage. I have trouble in making the ranger interface
>> work.can any one guide me through it with by saying what i am doing
>> wrong.
>> thanks for the help in advance
>> 
>> I to run the following code in python
>> import math
>> import time
>> from playerc import *
>> 
>> robo = playerc_client(None,'localhost', 6665)  
>> # connect client
>> connected=0
>> loop=0
>> while True:
>>     connected = robo.connect()
>>     print connected 
>>     loop += 1
>>     if (connected==0) or (loop>=100):
>>         break
>>     else:
>>         print loop
>>         time.sleep(0.2)
>> # check conncetion and display result
>> print connected 
>> if connected == 0:
>>     print 'connection established'   
>>     # create proxy for position 2d
>>     pos_proxy = playerc_position2d(robo,0)
>>     # create proxy for ranger 
>>     ran_proxy = playerc_ranger(robo,0)    
>>     #  subscribe to player
>>     pos_proxy.subscribe(PLAYERC_OPEN_MODE)
>>     #  subscribe to ranger
>>     ran_proxy.subscribe(PLAYERC_OPEN_MODE)    
>>     #get geom of position & laser
>>     pos_proxy.get_geom()
>>     ran_proxy.get_geom()
>>     robo.read()
>>     print 'Robot pose: (%.3f,%.3f,%.3f)' %
>> (pos_proxy.px,pos_proxy.py,pos_proxy.pa)
>>     #print 'laser pose: (%.3f,%.3f,%.3f)' %
>> (ran_proxy.px,ran_proxy.py,ran_proxy.pa)
>>     pos_proxy.set_cmd_vel(0.5,0.5,0.0,1)  
>>     robo.read()
>>     print 'laser range res %s' % ran_proxy.range_res
>>     print 'laser range count %s' % ran_proxy.ranges_count
>>     print 'laser max angle %s' % ran_proxy.max_angle
>>     print 'laser min angle %s' % ran_proxy.min_angle
>>     print 'laser max range %s' % ran_proxy.max_range
>>     print 'laser min range  %s' % ran_proxy.min_range
>>     print 'laser points %s' % ran_proxy.points
>>     print 'laser points count  %s' % ran_proxy.points_count    
>>     print 'laser element count %s' % ran_proxy.element_count
>>     print 'laser element poses  %s' % ran_proxy.element_poses  
>>     print 'laser element sizes  %s' % ran_proxy.element_sizes    
>>     #print 'laser angular res %s' % ran_proxy.angular_res
>>     #print 'laser device  poses  %s' % ran_proxy.device_pose      
>>     #print 'laser device  size  %s' % ran_proxy.device_size
>>     #print 'laser device  info  %s' % ran_proxy.info  
>> #   print 'laser device  intensities  %s' % ran_proxy.intensities 
>> #    print 'laser device  intensity count  %s' %
>> ran_proxy.intensities_count          
>>     #print ran_proxy.ranges(1) 
>>     laserscanstr = 'Partial laser scan: '
>>     for j in range(0,5):
>>         if j >= ran_proxy.points_count :
>>             break
>>         laserscanstr += '%.3f ' % ran_proxy.ranges[j]
>>         print laserscanstr    
>>     
>>     #clean up
>> ran_proxy.unsubscribe()
>> pos_proxy.unsubscribe()
>> #robo.unsubscribe()
>> robo.disconnect() 
>> 
>> The output i obtained is all zero and is as follows.
>> 
>> 0
>> 0
>> connection established
>> Robot pose: (0.000,0.000,0.000)
>> laser range res 0.0
>> laser range count 0
>> laser max angle 0.0
>> laser min angle 0.0
>> laser max range 0.0
>> laser min range  0.0
>> laser points None
>> laser points count  0
>> laser element count 0
>> laser element poses  None
>> laser element sizes  None
>> 
>> Please some one help by pointing exactly where i am going wrong
>>  http://old.nabble.com/file/p33763654/wanderbee.inc wanderbee.inc 
>>  http://old.nabble.com/file/p33763654/wander.world wander.world 
>>  http://old.nabble.com/file/p33763654/wander.cfg wander.cfg 
>>  http://old.nabble.com/file/p33763654/test.py test.py 
>> 
>> 
>> 
> 
> 

-- 
View this message in context: http://old.nabble.com/player-3.0.2-stage-4.0.0-help-in-using-ranger%7E-python-tp33763654p34450880.html
Sent from the playerstage-users mailing list archive at Nabble.com.