Commit 433e4d52 authored by Pierre Fernbach's avatar Pierre Fernbach
Browse files

[script] add working script for anymal on modular_palet (ORI)

parent e7bbf3db
from hpp.corbaserver.rbprm.anymal import Robot
from hpp.gepetto import Viewer
from tools.display_tools import *
import time
print "Plan guide trajectory ..."
import scenarios.sandbox.ANYmal.anymal_modular_palet_low_path as tp
#Robot.urdfSuffix += "_safeFeet"
statusFilename = tp.statusFilename
pId = tp.pid
f = open(statusFilename,"a")
if tp.ps.numberPaths() > 0 :
print "Path planning OK."
f.write("Planning_success: True"+"\n")
f.close()
else :
print "Error during path planning"
f.write("Planning_success: False"+"\n")
f.close()
import sys
sys.exit(1)
fullBody = Robot ()
# Set the bounds for the root
rootBounds = tp.rootBounds[::]
rootBounds[0] -= 0.2
rootBounds[1] += 0.2
rootBounds[2] -= 0.5
rootBounds[3] += 0.5
rootBounds[4] -= 0.2
rootBounds[5] += 0.2
fullBody.setJointBounds ("root_joint", rootBounds)
fullBody.setVeryConstrainedJointsBounds()
# add the 6 extraDof for velocity and acceleration (see *_path.py script)
fullBody.client.robot.setDimensionExtraConfigSpace(tp.extraDof)
fullBody.client.robot.setExtraConfigSpaceBounds([-tp.vMax,tp.vMax,-tp.vMax,tp.vMax,-tp.vMax,tp.vMax,-tp.aMax,tp.aMax,-tp.aMax,tp.aMax,-tp.aMaxZ,tp.aMaxZ])
ps = tp.ProblemSolver( fullBody )
ps.setParameter("Kinodynamic/velocityBound",tp.vMax)
ps.setParameter("Kinodynamic/accelerationBound",tp.aMax)
ps.setParameter("FullBody/frictionCoefficient",tp.mu)
#load the viewer
try :
v = tp.Viewer (ps,viewerClient=tp.v.client, displayCoM = True)
except Exception:
print "No viewer started !"
class FakeViewer():
def __init__(self):
return
def __call__(self,q):
return
def addLandmark(self,a,b):
return
v = FakeViewer()
# load a reference configuration
q_ref = fullBody.referenceConfig[::]+[0]*6
q_init = q_ref[::]
fullBody.setReferenceConfig(q_ref)
fullBody.setPostureWeights(fullBody.postureWeights[::]+[0]*6)
#fullBody.usePosturalTaskContactCreation(True)
fullBody.setCurrentConfig (q_init)
print "Generate limb DB ..."
tStart = time.time()
# generate databases :
fullBody.loadAllLimbs("static","ReferenceConfiguration",nbSamples=100000)
tGenerate = time.time() - tStart
print "Done."
print "Databases generated in : "+str(tGenerate)+" s"
v.addLandmark('anymal/base_0',0.2)
#define initial and final configurations :
configSize = fullBody.getConfigSize() -fullBody.client.robot.getDimensionExtraConfigSpace()
q_init[0:7] = tp.ps.configAtParam(pId,0)[0:7] # use this to get the correct orientation
q_goal = q_init[::]; q_goal[0:7] = tp.ps.configAtParam(pId,tp.ps.pathLength(pId))[0:7]
vel_init = tp.ps.configAtParam(pId,0)[tp.indexECS:tp.indexECS+3]
acc_init = tp.ps.configAtParam(pId,0)[tp.indexECS+3:tp.indexECS+6]
vel_goal = tp.ps.configAtParam(pId,tp.ps.pathLength(pId))[tp.indexECS:tp.indexECS+3]
acc_goal = [0,0,0]
robTreshold = 2
# copy extraconfig for start and init configurations
q_init[configSize:configSize+3] = vel_init[::]
q_init[configSize+3:configSize+6] = acc_init[::]
q_goal[configSize:configSize+3] = vel_goal[::]
q_goal[configSize+3:configSize+6] = [0,0,0]
q_init[2] = q_ref[2]
q_goal[2] = q_ref[2]
normals = [[0.,0.,1.] for _ in range(4)]
fullBody.setStaticStability(True)
fullBody.setCurrentConfig (q_init)
v(q_init)
fullBody.setStartState(q_init,Robot.limbs_names,normals)
fullBody.setEndState(q_goal,Robot.limbs_names,normals)
fullBody.setCurrentConfig (q_goal)
v(q_goal)
print "Generate contact plan ..."
tStart = time.time()
configs = fullBody.interpolate(0.001,pathId=pId,robustnessTreshold = robTreshold, filterStates = True,testReachability=True,quasiStatic=True)
tInterpolateConfigs = time.time() - tStart
print "Done."
print "Contact plan generated in : "+str(tInterpolateConfigs)+" s"
print "number of configs :", len(configs)
#raw_input("Press Enter to display the contact sequence ...")
#displayContactSequence(v,configs)
if len(configs) < 2 :
cg_success = False
print "Error during contact generation."
else:
cg_success = True
print "Contact generation Done."
if abs(configs[-1][0] - tp.q_goal[0]) < 0.01 and abs(configs[-1][1]- tp.q_goal[1]) < 0.01 and (len(fullBody.getContactsVariations(len(configs)-2,len(configs)-1))==1):
print "Contact generation successful."
cg_reach_goal = True
else:
print "Contact generation failed to reach the goal."
cg_reach_goal = False
f = open(statusFilename,"a")
f.write("cg_success: "+str(cg_success)+"\n")
f.write("cg_reach_goal: "+str(cg_reach_goal)+"\n")
f.close()
if (not cg_success):
import sys
sys.exit(1)
#beginId = 2
# put back original bounds for wholebody methods
fullBody.resetJointsBounds()
#displayContactSequence(v,configs)
from hpp.corbaserver.rbprm.anymal_abstract import Robot
Robot.urdfName += "_large"
from hpp.gepetto import Viewer
from hpp.corbaserver import ProblemSolver
from pinocchio import Quaternion
import numpy as np
import time
import math
statusFilename = "/res/infos.log"
Z_VALUE = 0.465
Y_VALUE = -0.1
vInit = 0.3
vMax = 0.5# linear velocity bound for the root
aMax = 0.5# linear acceleration bound for the root
aMaxZ = 5.
extraDof = 6
mu=0.3# coefficient of friction
# Creating an instance of the helper class, and loading the robot
# Creating an instance of the helper class, and loading the robot
rbprmBuilder = Robot ()
# Define bounds for the root : bounding box of the scenario
rootBounds = [-1.7,1.7, Y_VALUE-0.001, Y_VALUE+0.001, Z_VALUE-0.001, Z_VALUE+0.231]
rbprmBuilder.setJointBounds ("root_joint", rootBounds)
# The following lines set constraint on the valid configurations:
# a configuration is valid only if all limbs can create a contact with the corresponding afforcances type
rbprmBuilder.setFilter(Robot.urdfNameRom)
for rom in rbprmBuilder.urdfNameRom :
rbprmBuilder.setAffordanceFilter(rom, ['Support'])
# We also bound the rotations of the torso. (z, y, x)
rbprmBuilder.boundSO3([-3.14,3.14,-0.1,0.1,-0.1,0.1])
# Add 6 extraDOF to the problem, used to store the linear velocity and acceleration of the root
rbprmBuilder.client.robot.setDimensionExtraConfigSpace(extraDof)
# We set the bounds of this extraDof with velocity and acceleration bounds (expect on z axis)
rbprmBuilder.client.robot.setExtraConfigSpaceBounds([-vMax,vMax,-vMax,vMax,-vMax,vMax,-aMax,aMax,-aMax,aMax,-aMaxZ,aMaxZ])
indexECS = rbprmBuilder.getConfigSize() - rbprmBuilder.client.robot.getDimensionExtraConfigSpace()
# Creating an instance of HPP problem solver
ps = ProblemSolver( rbprmBuilder )
# define parameters used by various methods :
ps.setParameter("Kinodynamic/velocityBound",vMax)
ps.setParameter("Kinodynamic/accelerationBound",aMax)
ps.setParameter("Kinodynamic/verticalAccelerationBound",aMaxZ)
ps.setParameter("Kinodynamic/forceAllOrientation",True)
ps.setParameter("DynamicPlanner/sizeFootX",0.2)
ps.setParameter("DynamicPlanner/sizeFootY",0.12)
ps.setParameter("DynamicPlanner/friction",mu)
# sample only configuration with null velocity and acceleration :
ps.setParameter("ConfigurationShooter/sampleExtraDOF",False)
ps.setParameter("PathOptimization/RandomShortcut/NumberOfLoops",100)
# initialize the viewer :
from hpp.gepetto import ViewerFactory
vf = ViewerFactory (ps)
# load the module to analyse the environnement and compute the possible contact surfaces
from hpp.corbaserver.affordance.affordance import AffordanceTool
afftool = AffordanceTool ()
afftool.setAffordanceConfig('Support', [0.5, 0.03, 0.00005])
afftool.loadObstacleModel ("hpp_environments", "ori/modular_palet_low", "planning", vf, reduceSizes=[0.06,0,0])
#afftool.loadObstacleModel ("hpp_environments", "ori/modular_palet_low", "planning", vf)
try :
v = vf.createViewer(displayArrows = True)
except Exception:
print "No viewer started !"
class FakeViewer():
def __init__(self):
return
def __call__(self,q):
return
v = FakeViewer()
#afftool.visualiseAffordances('Support', v, v.color.lightBrown)
#v.addLandmark(v.sceneName,1)
q_init = rbprmBuilder.getCurrentConfig ();
q_init[2] = Z_VALUE
q_init[0:2] = [-1.6,Y_VALUE]
q_init[-6] = vInit
v(q_init)
q_goal=q_init[::]
q_goal[0] = 1.6
ps.setInitialConfig (q_init)
ps.addGoalConfig (q_goal)
# write problem in files :
f = open(statusFilename,"w")
f.write("q_init= "+str(q_init)+"\n")
f.write("q_goal= "+str(q_goal)+"\n")
f.close()
# Choosing RBPRM shooter and path validation methods.
ps.selectConfigurationShooter("RbprmShooter")
ps.selectPathValidation("RbprmPathValidation",0.05)
# Choosing kinodynamic methods :
ps.selectSteeringMethod("RBPRMKinodynamic")
ps.selectDistance("Kinodynamic")
ps.selectPathPlanner("DynamicPlanner")
ps.addPathOptimizer ("RandomShortcutDynamic")
# Solve the planning problem :
t = ps.solve()
print "Guide planning done in "+str(t)+", optimizing trajectory ..."
pid = ps.numberPaths()-1
for i in range(20):
ps.optimizePath(pid)
pid = ps.numberPaths()-1
try :
# display solution :
from hpp.gepetto import PathPlayer
pp = PathPlayer (v)
pp.dt=0.1
pp.displayPath(pid)#pp.displayVelocityPath(0) #
v.client.gui.setVisibility("path_"+str(pid)+"_root","ALWAYS_ON_TOP")
pp.dt=0.01
pp(pid)
except Exception:
pass
# move the robot out of the view before computing the contacts
q_far = q_init[::]
q_far[2] = -2
v(q_far)
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