Python pybullet.getBodyInfo() Examples

The following are 11 code examples of pybullet.getBodyInfo(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module pybullet , or try the search function .
Example #1
Source File: robot_locomotors.py    From GtS with MIT License 5 votes vote down vote up
def robot_specific_reset(self):
        WalkerBase.robot_specific_reset(self)
        
        humanoidId = -1
        numBodies = p.getNumBodies()
        for i in range (numBodies):
            bodyInfo = p.getBodyInfo(i)
            if bodyInfo[1].decode("ascii") == 'humanoid':
                humanoidId = i
        ## Spherical radiance/glass shield to protect the robot's camera
        if self.glass_id is None:
            glass_id = p.loadMJCF(os.path.join(self.physics_model_dir, "glass.xml"))[0]
            #print("setting up glass", glass_id, humanoidId)
            p.changeVisualShape(glass_id, -1, rgbaColor=[0, 0, 0, 0])
            cid = p.createConstraint(humanoidId, -1, glass_id,-1,p.JOINT_FIXED,[0,0,0],[0,0,1.4],[0,0,1])

        self.motor_names  = ["abdomen_z", "abdomen_y", "abdomen_x"]
        self.motor_power  = [100, 100, 100]
        self.motor_names += ["right_hip_x", "right_hip_z", "right_hip_y", "right_knee"]
        self.motor_power += [100, 100, 300, 200]
        self.motor_names += ["left_hip_x", "left_hip_z", "left_hip_y", "left_knee"]
        self.motor_power += [100, 100, 300, 200]
        self.motor_names += ["right_shoulder1", "right_shoulder2", "right_elbow"]
        self.motor_power += [75, 75, 75]
        self.motor_names += ["left_shoulder1", "left_shoulder2", "left_elbow"]
        self.motor_power += [75, 75, 75]
        self.motors = [self.jdict[n] for n in self.motor_names] 
Example #2
Source File: env_modalities.py    From GtS with MIT License 5 votes vote down vote up
def _reset(self):
        assert(self._robot_introduced)
        assert(self._scene_introduced)
        debugmode = 1
        if debugmode:
            print("Episode: steps:{} score:{}".format(self.nframe, self.reward))
            body_xyz = self.robot.body_xyz
            #print("[{}, {}, {}],".format(body_xyz[0], body_xyz[1], body_xyz[2]))
            print("Episode count: {}".format(self.eps_count))
            self.eps_count += 1
        self.nframe = 0
        self.eps_reward = 0
        BaseEnv._reset(self)

        if not self.ground_ids:
            self.parts, self.jdict, self.ordered_joints, self.robot_body = self.robot.addToScene(
                    [])
            self.ground_ids = set(self.scene.scene_obj_list)

        ## Todo: (hzyjerry) this part is not working, robot_tracking_id = -1
        for i in range (p.getNumBodies()):
            if (p.getBodyInfo(i)[0].decode() == self.robot_body.get_name()):
               self.robot_tracking_id=i
            #print(p.getBodyInfo(i)[0].decode())
        i = 0

        eye_pos, eye_quat = self.get_eye_pos_orientation()
        pose = [eye_pos, eye_quat]

        observations = self.render_observations(pose)
        pos = self.robot._get_scaled_position()
        orn = self.robot.get_orientation()

        pos = (pos[0], pos[1], pos[2] + self.tracking_camera['z_offset'])
        p.resetDebugVisualizerCamera(self.tracking_camera['distance'],self.tracking_camera['yaw'], self.tracking_camera['pitch'],pos)
        return observations 
Example #3
Source File: env_modalities.py    From midlevel-reps with MIT License 5 votes vote down vote up
def _reset(self):
        assert(self._robot_introduced)
        assert(self._scene_introduced)
        debugmode = 1
        if debugmode:
            print("Episode: steps:{} score:{}".format(self.nframe, self.reward))
            body_xyz = self.robot.body_xyz
            print("[{}, {}, {}],".format(body_xyz[0], body_xyz[1], body_xyz[2]))
            print("Episode count: {}".format(self.eps_count))
            self.eps_count += 1
        self.nframe = 0
        self.eps_reward = 0
        BaseEnv._reset(self)

        if not self.ground_ids:
            self.parts, self.jdict, self.ordered_joints, self.robot_body = self.robot.addToScene(
                    [])
            self.ground_ids = set(self.scene.scene_obj_list)

        ## Todo: (hzyjerry) this part is not working, robot_tracking_id = -1
        for i in range (p.getNumBodies()):
            if (p.getBodyInfo(i)[0].decode() == self.robot_body.get_name()):
               self.robot_tracking_id=i
            #print(p.getBodyInfo(i)[0].decode())
        i = 0

        eye_pos, eye_quat = self.get_eye_pos_orientation()
        pose = [eye_pos, eye_quat]

        observations = self.render_observations(pose)
        pos = self.robot._get_scaled_position()
        orn = self.robot.get_orientation()
        pos = (pos[0], pos[1], pos[2] + self.tracking_camera['z_offset'])
        p.resetDebugVisualizerCamera(self.tracking_camera['distance'],self.tracking_camera['yaw'], self.tracking_camera['pitch'],pos)
        return observations 
Example #4
Source File: robot_locomotors.py    From midlevel-reps with MIT License 5 votes vote down vote up
def robot_specific_reset(self):
        WalkerBase.robot_specific_reset(self)
        
        humanoidId = -1
        numBodies = p.getNumBodies()
        for i in range (numBodies):
            bodyInfo = p.getBodyInfo(i)
            if bodyInfo[1].decode("ascii") == 'humanoid':
                humanoidId = i
        ## Spherical radiance/glass shield to protect the robot's camera
        if self.glass_id is None:
            glass_id = p.loadMJCF(os.path.join(self.physics_model_dir, "glass.xml"))[0]
            #print("setting up glass", glass_id, humanoidId)
            p.changeVisualShape(glass_id, -1, rgbaColor=[0, 0, 0, 0])
            cid = p.createConstraint(humanoidId, -1, glass_id,-1,p.JOINT_FIXED,[0,0,0],[0,0,1.4],[0,0,1])

        self.motor_names  = ["abdomen_z", "abdomen_y", "abdomen_x"]
        self.motor_power  = [100, 100, 100]
        self.motor_names += ["right_hip_x", "right_hip_z", "right_hip_y", "right_knee"]
        self.motor_power += [100, 100, 300, 200]
        self.motor_names += ["left_hip_x", "left_hip_z", "left_hip_y", "left_knee"]
        self.motor_power += [100, 100, 300, 200]
        self.motor_names += ["right_shoulder1", "right_shoulder2", "right_elbow"]
        self.motor_power += [75, 75, 75]
        self.motor_names += ["left_shoulder1", "left_shoulder2", "left_elbow"]
        self.motor_power += [75, 75, 75]
        self.motors = [self.jdict[n] for n in self.motor_names] 
Example #5
Source File: simulation_manager_test.py    From qibullet with Apache License 2.0 5 votes vote down vote up
def test_remove_pepper(self):
        """
        Test the @removePepper method
        """
        manager = SimulationManager()
        client = manager.launchSimulation(gui=False)
        pepper = manager.spawnPepper(client, spawn_ground_plane=True)

        manager.removePepper(pepper)

        with self.assertRaises(pybullet.error):
            pybullet.getBodyInfo(pepper.getRobotModel())

        manager.stopSimulation(client) 
Example #6
Source File: simulation_manager_test.py    From qibullet with Apache License 2.0 5 votes vote down vote up
def test_remove_nao(self):
        """
        Test the @removeNao method
        """
        manager = SimulationManager()
        client = manager.launchSimulation(gui=False)
        nao = manager.spawnNao(client, spawn_ground_plane=True)

        manager.removeNao(nao)

        with self.assertRaises(pybullet.error):
            pybullet.getBodyInfo(nao.getRobotModel())

        manager.stopSimulation(client) 
Example #7
Source File: simulation_manager_test.py    From qibullet with Apache License 2.0 5 votes vote down vote up
def test_remove_romeo(self):
        """
        Test the @removeRomeo method
        """
        manager = SimulationManager()
        client = manager.launchSimulation(gui=False)
        romeo = manager.spawnRomeo(client, spawn_ground_plane=True)

        manager.removeRomeo(romeo)

        with self.assertRaises(pybullet.error):
            pybullet.getBodyInfo(romeo.getRobotModel())

        manager.stopSimulation(client) 
Example #8
Source File: urdfEditor.py    From soccer-matlab with BSD 2-Clause "Simplified" License 4 votes vote down vote up
def initializeFromBulletBody(self, bodyUid, physicsClientId):
		self.initialize()

		#always create a base link
		baseLink = UrdfLink()
		baseLinkIndex = -1
		self.convertLinkFromMultiBody(bodyUid, baseLinkIndex, baseLink, physicsClientId)
		baseLink.link_name = 	p.getBodyInfo(bodyUid, physicsClientId=physicsClientId)[0].decode("utf-8")
		self.linkNameToIndex[baseLink.link_name]=len(self.urdfLinks)
		self.urdfLinks.append(baseLink)

		#optionally create child links and joints
		for j in range(p.getNumJoints(bodyUid,physicsClientId=physicsClientId)):
			jointInfo = p.getJointInfo(bodyUid,j,physicsClientId=physicsClientId)
			urdfLink = UrdfLink()
			self.convertLinkFromMultiBody(bodyUid, j, urdfLink,physicsClientId)
			urdfLink.link_name = jointInfo[12].decode("utf-8")
			self.linkNameToIndex[urdfLink.link_name]=len(self.urdfLinks)
			self.urdfLinks.append(urdfLink)

			urdfJoint = UrdfJoint()
			urdfJoint.link = urdfLink
			urdfJoint.joint_name = jointInfo[1].decode("utf-8")
			urdfJoint.joint_type = jointInfo[2]
			urdfJoint.joint_axis_xyz = jointInfo[13]
			orgParentIndex = jointInfo[16]
			if (orgParentIndex<0):
				urdfJoint.parent_name = baseLink.link_name
			else:
				parentJointInfo = p.getJointInfo(bodyUid,orgParentIndex,physicsClientId=physicsClientId)
				urdfJoint.parent_name = parentJointInfo[12].decode("utf-8")
			urdfJoint.child_name = urdfLink.link_name

			#todo, compensate for inertia/link frame offset

			dynChild = p.getDynamicsInfo(bodyUid,j,physicsClientId=physicsClientId)
			childInertiaPos = dynChild[3]
			childInertiaOrn = dynChild[4]
			parentCom2JointPos=jointInfo[14]
			parentCom2JointOrn=jointInfo[15]
			tmpPos,tmpOrn = p.multiplyTransforms(childInertiaPos,childInertiaOrn,parentCom2JointPos,parentCom2JointOrn)
			tmpPosInv,tmpOrnInv = p.invertTransform(tmpPos,tmpOrn)
			dynParent = p.getDynamicsInfo(bodyUid,orgParentIndex,physicsClientId=physicsClientId)
			parentInertiaPos = dynParent[3]
			parentInertiaOrn = dynParent[4]

			pos,orn = p.multiplyTransforms(parentInertiaPos,parentInertiaOrn, tmpPosInv, tmpOrnInv)
			pos,orn_unused=p.multiplyTransforms(parentInertiaPos,parentInertiaOrn, parentCom2JointPos,[0,0,0,1])

			urdfJoint.joint_origin_xyz = pos
			urdfJoint.joint_origin_rpy = p.getEulerFromQuaternion(orn)

			self.urdfJoints.append(urdfJoint) 
Example #9
Source File: robot_bases.py    From GtS with MIT License 4 votes vote down vote up
def addToScene(self, bodies):
        if self.parts is not None:
            parts = self.parts
        else:
            parts = {}

        if self.jdict is not None:
            joints = self.jdict
        else:
            joints = {}

        if self.ordered_joints is not None:
            ordered_joints = self.ordered_joints
        else:
            ordered_joints = []

        dump = 0

        for i in range(len(bodies)):
            if p.getNumJoints(bodies[i]) == 0:
                part_name, robot_name = p.getBodyInfo(bodies[i], 0)
                robot_name = robot_name.decode("utf8")
                part_name = part_name.decode("utf8")
                parts[part_name] = BodyPart(part_name, bodies, i, -1, self.scale, model_type=self.model_type)

            for j in range(p.getNumJoints(bodies[i])):
                p.setJointMotorControl2(bodies[i],j,p.POSITION_CONTROL,positionGain=0.1,velocityGain=0.1,force=0)
                ## TODO (hzyjerry): the following is diabled due to pybullet update
                #_,joint_name,joint_type, _,_,_, _,_,_,_, _,_, part_name = p.getJointInfo(bodies[i], j)
                _,joint_name,joint_type, _,_,_, _,_,_,_, _,_, part_name, _,_,_,_ = p.getJointInfo(bodies[i], j)

                joint_name = joint_name.decode("utf8")
                part_name = part_name.decode("utf8")

                if dump: print("ROBOT PART '%s'" % part_name)
                if dump: print("ROBOT JOINT '%s'" % joint_name) # limits = %+0.2f..%+0.2f effort=%0.3f speed=%0.3f" % ((joint_name,) + j.limits()) )
                parts[part_name] = BodyPart(part_name, bodies, i, j, self.scale, model_type=self.model_type)

                if part_name == self.robot_name:
                    self.robot_body = parts[part_name]

                if i == 0 and j == 0 and self.robot_body is None:  # if nothing else works, we take this as robot_body
                    parts[self.robot_name] = BodyPart(self.robot_name, bodies, 0, -1, self.scale, model_type=self.model_type)
                    self.robot_body = parts[self.robot_name]

                if joint_name[:6] == "ignore":
                    Joint(joint_name, bodies, i, j, self.scale).disable_motor()
                    continue

                if joint_name[:8] != "jointfix" and joint_type != p.JOINT_FIXED:
                    joints[joint_name] = Joint(joint_name, bodies, i, j, self.scale, model_type=self.model_type)
                    ordered_joints.append(joints[joint_name])

                    joints[joint_name].power_coef = 100.0

        debugmode = 0
        if debugmode:
            for j in ordered_joints:
                print(j, j.power_coef)
        return parts, joints, ordered_joints, self.robot_body 
Example #10
Source File: robot_bases.py    From midlevel-reps with MIT License 4 votes vote down vote up
def addToScene(self, bodies):
        if self.parts is not None:
            parts = self.parts
        else:
            parts = {}

        if self.jdict is not None:
            joints = self.jdict
        else:
            joints = {}

        if self.ordered_joints is not None:
            ordered_joints = self.ordered_joints
        else:
            ordered_joints = []

        dump = 0

        for i in range(len(bodies)):
            if p.getNumJoints(bodies[i]) == 0:
                part_name, robot_name = p.getBodyInfo(bodies[i], 0)
                robot_name = robot_name.decode("utf8")
                part_name = part_name.decode("utf8")
                parts[part_name] = BodyPart(part_name, bodies, i, -1, self.scale, model_type=self.model_type)

            for j in range(p.getNumJoints(bodies[i])):
                p.setJointMotorControl2(bodies[i],j,p.POSITION_CONTROL,positionGain=0.1,velocityGain=0.1,force=0)
                ## TODO (hzyjerry): the following is diabled due to pybullet update
                #_,joint_name,joint_type, _,_,_, _,_,_,_, _,_, part_name = p.getJointInfo(bodies[i], j)
                _,joint_name,joint_type, _,_,_, _,_,_,_, _,_, part_name, _,_,_,_ = p.getJointInfo(bodies[i], j)

                joint_name = joint_name.decode("utf8")
                part_name = part_name.decode("utf8")

                if dump: print("ROBOT PART '%s'" % part_name)
                if dump: print("ROBOT JOINT '%s'" % joint_name) # limits = %+0.2f..%+0.2f effort=%0.3f speed=%0.3f" % ((joint_name,) + j.limits()) )
                parts[part_name] = BodyPart(part_name, bodies, i, j, self.scale, model_type=self.model_type)

                if part_name == self.robot_name:
                    self.robot_body = parts[part_name]

                if i == 0 and j == 0 and self.robot_body is None:  # if nothing else works, we take this as robot_body
                    parts[self.robot_name] = BodyPart(self.robot_name, bodies, 0, -1, self.scale, model_type=self.model_type)
                    self.robot_body = parts[self.robot_name]

                if joint_name[:6] == "ignore":
                    Joint(joint_name, bodies, i, j, self.scale).disable_motor()
                    continue

                if joint_name[:8] != "jointfix" and joint_type != p.JOINT_FIXED:
                    joints[joint_name] = Joint(joint_name, bodies, i, j, self.scale, model_type=self.model_type)
                    ordered_joints.append(joints[joint_name])

                    joints[joint_name].power_coef = 100.0

        debugmode = 0
        if debugmode:
            for j in ordered_joints:
                print(j, j.power_coef)
        return parts, joints, ordered_joints, self.robot_body 
Example #11
Source File: gym_mujoco_xml_env.py    From bullet-gym with MIT License 4 votes vote down vote up
def addToScene(self, bodies):
		if self.parts is not None:
			parts = self.parts
		else:
			parts = {}

		if self.jdict is not None:
			joints = self.jdict
		else:
			joints = {}

		if self.ordered_joints is not None:
			ordered_joints = self.ordered_joints
		else:
			ordered_joints = []

		dump = 0
		for i in range(len(bodies)):
			if p.getNumJoints(bodies[i]) == 0:
				part_name, robot_name = p.getBodyInfo(bodies[i], 0)
				robot_name = robot_name.decode("utf8")
				part_name = part_name.decode("utf8")
				parts[part_name] = BodyPart(part_name, bodies, i, -1)
			for j in range(p.getNumJoints(bodies[i])):
				_,joint_name,_,_,_,_,_,_,_,_,_,_,part_name = p.getJointInfo(bodies[i], j)

				joint_name = joint_name.decode("utf8")
				part_name = part_name.decode("utf8")

				if dump: print("ROBOT PART '%s'" % part_name)
				if dump: print("ROBOT JOINT '%s'" % joint_name) # limits = %+0.2f..%+0.2f effort=%0.3f speed=%0.3f" % ((joint_name,) + j.limits()) )

				parts[part_name] = BodyPart(part_name, bodies, i, j)

				if part_name == self.robot_name:
					self.robot_body = parts[part_name]

				if i == 0 and j == 0 and self.robot_body is None:  # if nothing else works, we take this as robot_body
					parts[self.robot_name] = BodyPart(self.robot_name, bodies, 0, -1)
					self.robot_body = parts[self.robot_name]

				if joint_name[:8] != "jointfix":
					joints[joint_name] = Joint(joint_name, bodies, i, j)
					ordered_joints.append(joints[joint_name])

					if joint_name[:6] == "ignore":
						joints[joint_name].disable_motor()
						continue

					joints[joint_name].power_coef = 100.0

		return parts, joints, ordered_joints, self.robot_body