def test_xml_and_urdfdom_robot_only_supported_since_melodic(self): robot = urdf.Robot(name='test', version='1.0') link = urdf.Link(name='link') link.add_aggregate( 'visual', urdf.Visual(geometry=urdf.Cylinder(length=1, radius=1), material=urdf.Material(name='mat'))) link.add_aggregate( 'visual', urdf.Visual(geometry=urdf.Cylinder(length=4, radius=0.5), material=urdf.Material(name='mat2'))) link.add_aggregate( 'collision', urdf.Collision(geometry=urdf.Cylinder(length=1, radius=1))) link.add_aggregate( 'collision', urdf.Collision(geometry=urdf.Cylinder(length=4, radius=0.5))) robot.add_link(link) link = urdf.Link(name='link2') robot.add_link(link) # robot_xml_string = robot.to_xml_string() robot_xml = minidom.parseString(robot_xml_string) orig_xml = minidom.parseString(self.xml) self.assertTrue(xml_matches(robot_xml, orig_xml))
def test_link_material_missing_color_and_texture(self): xml = '''<?xml version="1.0"?> <robot name="test" version="1.0"> <link name="link"> <visual> <geometry> <cylinder length="1" radius="1"/> </geometry> <material name="mat"/> </visual> </link> </robot>''' self.parse_and_compare(xml) robot = urdf.Robot(name='test', version='1.0') link = urdf.Link(name='link', visual=urdf.Visual( geometry=urdf.Cylinder(length=1, radius=1), material=urdf.Material(name='mat'))) robot.add_link(link) self.xml_and_compare(robot, xml) robot = urdf.Robot(name='test', version='1.0') link = urdf.Link(name='link') link.visual = urdf.Visual(geometry=urdf.Cylinder(length=1, radius=1), material=urdf.Material(name='mat')) robot.add_link(link) self.xml_and_compare(robot, xml)
def from_world_body(cls, world_body, *args, **kwargs): """ :type world_body: giskard_msgs.msg._WorldBody.WorldBody :rtype: URDFObject """ links = [] joints = [] if world_body.type == world_body.PRIMITIVE_BODY or world_body.type == world_body.MESH_BODY: if world_body.shape.type == world_body.shape.BOX: geometry = up.Box(world_body.shape.dimensions) elif world_body.shape.type == world_body.shape.SPHERE: geometry = up.Sphere(world_body.shape.dimensions[0]) elif world_body.shape.type == world_body.shape.CYLINDER: geometry = up.Cylinder( world_body.shape.dimensions[ world_body.shape.CYLINDER_RADIUS], world_body.shape.dimensions[ world_body.shape.CYLINDER_HEIGHT]) elif world_body.shape.type == world_body.shape.CONE: raise TypeError(u'primitive shape cone not supported') elif world_body.type == world_body.MESH_BODY: geometry = up.Mesh(world_body.mesh) else: raise CorruptShapeException( u'primitive shape \'{}\' not supported'.format( world_body.shape.type)) # FIXME test if this works on 16.04 try: link = up.Link(world_body.name) link.add_aggregate( u'visual', up.Visual(geometry, material=up.Material(u'green', color=up.Color(0, 1, 0, 1)))) link.add_aggregate(u'collision', up.Collision(geometry)) except AssertionError: link = up.Link(world_body.name, visual=up.Visual(geometry, material=up.Material( u'green', color=up.Color(0, 1, 0, 1))), collision=up.Collision(geometry)) links.append(link) elif world_body.type == world_body.URDF_BODY: o = cls(world_body.urdf, *args, **kwargs) o.set_name(world_body.name) return o else: raise CorruptShapeException( u'world body type \'{}\' not supported'.format( world_body.type)) return cls.from_parts(world_body.name, links, joints, *args, **kwargs)
def add_rgbd_camera(robot, scale=1, parent_link_name="base_plate"): _x = (0.033 / 2) _y = (0.022 / 2) _z = (0.103 / 2) l_frame = urdf.Link(name=parent_link_name + "_camera", visual=frame_visual(), collision=frame_collision(), inertial=frame_inertial()) l_frame.visual = frame_visual() l_frame.collision = frame_collision() robot.add_link(l_frame) for link in robot.links: if link.name == parent_link_name: origin_xyz = link.inertial.origin.xyz origin_xyz[2] += _z origin_rpy = link.inertial.origin.rpy j_world = urdf.Joint(name=l_frame.name + "_joint", parent=parent_link_name, child=l_frame.name, joint_type="fixed", origin=urdf.Pose(origin_xyz, origin_rpy)) robot.add_joint(j_world) return (robot, l_frame.name)
def test_link_multiple_collision(self): xml = '''<?xml version="1.0"?> <robot name="test" version="1.0"> <link name="link"> <collision> <geometry> <cylinder length="1" radius="1"/> </geometry> </collision> <collision> <geometry> <cylinder length="4" radius="0.5"/> </geometry> </collision> </link> </robot>''' self.parse_and_compare(xml) robot = urdf.Robot(name='test', version='1.0') link = urdf.Link(name='link') link.collision = urdf.Collision( geometry=urdf.Cylinder(length=1, radius=1)) link.collision = urdf.Collision( geometry=urdf.Cylinder(length=4, radius=0.5)) robot.add_link(link) self.xml_and_compare(robot, xml)
def test_xml_and_urdfdom_robot_compatible_with_kinetic(self): robot = urdf.Robot(name='test', version='1.0') link = urdf.Link(name='link') link.visual = urdf.Visual(geometry=urdf.Cylinder(length=1, radius=1), material=urdf.Material(name='mat')) link.visual = urdf.Visual(geometry=urdf.Cylinder(length=4, radius=0.5), material=urdf.Material(name='mat2')) link.collision = urdf.Collision(geometry=urdf.Cylinder(length=1, radius=1)) link.collision = urdf.Collision(geometry=urdf.Cylinder(length=4, radius=0.5)) robot.add_link(link) link = urdf.Link(name='link2') robot.add_link(link) # robot_xml_string = robot.to_xml_string() robot_xml = minidom.parseString(robot_xml_string) orig_xml = minidom.parseString(self.xml) self.assertTrue(xml_matches(robot_xml, orig_xml))
def linkFromAffordance(aff): geometry = geometryFromAffordance(aff) material = materialFromAffordance(aff) pose = poseFromAffordance(aff) visual = urdf.Visual(geometry=geometry, material=material, origin=pose) collision = urdf.Collision(geometry=geometry, origin=pose) return urdf.Link(name=stringWithAffordanceId('link_%s', aff), visual=visual, collision=collision)
def from_object_state(cls, object_state, *args, **kwargs): """ :type world_body: knowrob_objects.msg._ObjectState.ObjectState :rtype: URDFObject """ links = [] joints = [] shape = [object_state.size.y, object_state.size.x, object_state.size.z] if object_state.has_visual and object_state.mesh_path == u'': geometry = up.Box(shape) elif object_state.has_visual: geometry = up.Mesh(object_state.mesh_path) else: raise CorruptShapeException(u'object state has no visual') link = up.Link(object_state.object_id, visual=up.Visual(geometry, material=up.Material(u'green', color=up.Color(0, 1, 0, 1))), collision=up.Collision(geometry)) links.append(link) return cls.from_parts(object_state.object_id, links, joints, *args, **kwargs)
def generate_robot(namespace): """ Generate Inverted Pendulum URDF """ # Robot robot = urdf.Robot(name) # Base l_world = urdf.Link("world") robot.add_link(l_world) # Frame frame_geometry = urdf.Cylinder(radius=l_f_rad, length=l_f_len) l_frame = urdf.Link("l_frame") l_frame.collision = frame_collision(geometry=frame_geometry) l_frame.inertial = frame_inertial() l_frame.visual = frame_visual(geometry=frame_geometry) robot.add_link(l_frame) # World Joint j_world = urdf.Joint(name="fixed", parent="world", child="l_frame", joint_type="fixed", origin=urdf.Pose([0, 0, 0], [0, 0, 0])) robot.add_joint(j_world) # Links l_link = [urdf.Link("l_{}".format(i)) for i in range(n_links)] j_link = [urdf.Joint("j_{}".format(i)) for i in range(n_links)] for i in range(n_links): l_y = (0.1 if i == 0 else 2 * l_link_rad) l_z = ((l_f_len - 0.05) if i == 0 else (l_link_len - 0.05)) l_pos = urdf.Pose(xyz=[0, l_y, l_z], rpy=[0, 0, 0]) l_link[i].visual = default_visual() l_link[i].inertial = default_inertial() l_link[i].collision = default_collision() robot.add_link(l_link[i]) j_link[i] = urdf.Joint( name="j_{}".format(i), parent=("l_frame" if i == 0 else "l_{}".format(i - 1)), child="l_{}".format(i), origin=l_pos, joint_type="continuous", axis=[0, 1, 0], dynamics=default_dynamics()) robot.add_joint(j_link[i]) for joint in j_link: # Transmission t = urdf.Transmission(joint.name + "_trans") t.type = "transmission_interface/SimpleTransmission" transjoint = urdf.TransmissionJoint(name=joint.name) transjoint.add_aggregate("hardwareInterface", "EffortJointInterface") t.add_aggregate("joint", transjoint) actuator = urdf.Actuator(joint.name + "_motor") actuator.mechanicalReduction = 1 t.add_aggregate("actuator", actuator) robot.add_aggregate("transmission", t) # joint force-torque sensors if use_ftSensors: joints = get_continous_joints(robot) for joint_i, joint in enumerate(joints): # Provide feedback a = etree.Element("gazebo", {"reference": joint.name}) b = etree.SubElement(a, "provideFeedback") b.text = "true" robot.add_aggregate("gazebo", a) # Sensor a = etree.Element("gazebo") b = etree.SubElement( a, "plugin", { "name": "force_torque_plugin_" + joint.name, "filename": "libgazebo_ros_ft_sensor.so" }) c = etree.SubElement(b, "alwaysOn") c.text = "true" d = etree.SubElement(b, "updateRate") d.text = "100" d = etree.SubElement(b, "jointName") d.text = joint.name d = etree.SubElement(b, "topicName") d.text = namespace + "ftSensors/" + joint.name robot.add_aggregate("gazebo", a) # Gazebo Color Plugin for all links for link_i, link in enumerate(get_all_links(robot)): a = etree.Element("gazebo", {"reference": link.name}) b = etree.SubElement(a, "material") b.text = "Gazebo/Black" robot.add_aggregate("gazebo", a) # Gazebo Color Plugin for Frame a = etree.Element("gazebo", {"reference": "l_frame"}) b = etree.SubElement(a, "material") b.text = "Gazebo/Orange" robot.add_aggregate("gazebo", a) # Gazebo plugin a = etree.Element("gazebo") b = etree.SubElement(a, "plugin", { "name": "gazebo_ros_control", "filename": "libgazebo_ros_control.so" }) c = etree.SubElement(b, "robotNamespace") c.text = namespace # d = etree.SubElement(b, "robotParam") # d.text = "/robot_description" robot.add_aggregate("gazebo", a) return robot
def add_gazebo_plugins(robot, namespace="/", use_ft_sensors=False, use_p3d_sensors=False, fix_base_joint={ "child": "link_1", "origin": { "xyz": [0, 0, 0], "rpy": [0, 0, 0] } }, use_rgbd_camera=None): joints = get_all_joints(robot) if fix_base_joint is not None: l_world = urdf.Link("world") robot.add_link(l_world) origin = fix_base_joint.get("origin", 0) if origin is not 0: origin_xyz = origin.get("xyz") origin_rpy = origin.get("rpy") else: origin_xyz = [0, 0, 0] origin_rpy = [0, 0, 0] child_frame = fix_base_joint.get("child", 0) if child_frame is 0: child_frame = "base_link" j_world = urdf.Joint(name="fixed", parent="world", child=child_frame, joint_type="fixed", origin=urdf.Pose(origin_xyz, origin_rpy)) robot.add_joint(j_world) for link_i, link in enumerate(get_all_links(robot)): a = etree.Element("gazebo", {"reference": link.name}) b = etree.SubElement(a, "material") b.text = "Gazebo/Grey" robot.add_aggregate("gazebo", a) if use_ftSensors: joints = get_continous_joints(robot) for joint_i, joint in enumerate(joints): # Provide feedback a = etree.Element("gazebo", {"reference": joint.name}) b = etree.SubElement(a, "provideFeedback") b.text = "true" c = etree.SubElement(a, "implicitSpringDamper") c.text = "1" robot.add_aggregate("gazebo", a) # Sensor a = etree.Element("gazebo") b = etree.SubElement( a, "plugin", { "name": "force_torque_plugin_" + joint.name, "filename": "libgazebo_ros_ft_sensor.so" }) c = etree.SubElement(b, "alwaysOn") c.text = "true" d = etree.SubElement(b, "updateRate") d.text = "100" d = etree.SubElement(b, "jointName") d.text = joint.name d = etree.SubElement(b, "topicName") d.text = namespace + "ftSensors/" + joint.name robot.add_aggregate("gazebo", a) if use_rgbd_camera is not None: link_name = use_rgbd_camera.get("link") camera_name = link_name + "_tof" camera_frame_name = camera_name + "_optical_frame" camera_link = urdf.Link(camera_frame_name) robot.add_link(camera_link) j_camera_frame = urdf.Joint(name=camera_frame_name + "_joint", parent=link_name, child=camera_frame_name, joint_type="fixed", origin=urdf.Pose(xyz=[0, 0, 0], rpy=[0, 0, -np.pi / 2 ])) #-np.pi / 2 robot.add_joint(j_camera_frame) # TOF Sensor a = etree.Element( "gazebo", {"reference": camera_frame_name}) # Try and automate this b = etree.SubElement(a, "sensor", {"name": camera_name, "type": "ray"}) b1 = etree.SubElement(b, "visualize") b1.text = "true" c1 = etree.SubElement(b, "always_on") c1.text = "true" c = etree.SubElement(b, "update_rate") c.text = "20.0" d = etree.SubElement(b, "ray") e = etree.SubElement(d, "scan") g = etree.SubElement(e, "horizontal") h1 = etree.SubElement(g, "samples") h1.text = "16" h2 = etree.SubElement(g, "resolution") h2.text = "1" h3 = etree.SubElement(g, "min_angle") h3.text = str(-1.20428 / 2) h4 = etree.SubElement(g, "max_angle") h4.text = str(1.20428 / 2) i = g = etree.SubElement(e, "vertical") v1 = etree.SubElement(i, "samples") v1.text = "16" v2 = etree.SubElement(i, "resolution") v2.text = "1" v3 = etree.SubElement(i, "min_angle") v3.text = str(-0.890118 / 2) v4 = etree.SubElement(i, "max_angle") v4.text = str(0.890118 / 2) j = etree.SubElement(d, "range") k = etree.SubElement(j, "min") k.text = "0.2" l = etree.SubElement(j, "max") l.text = "5.0" n = etree.SubElement(b, "plugin", { "name": camera_name + "_plugin", "filename": "libsim_tof.so" }) o = etree.SubElement(n, "alwaysOn") o.text = "true" p = etree.SubElement(n, "updateRate") p.text = "20.0" q = etree.SubElement(n, "topicName") q.text = namespace + camera_name + "/depth/points" r = etree.SubElement(n, "frameName") r.text = camera_frame_name s = etree.SubElement(n, "zone") t1 = etree.SubElement(s, "id") t1.text = "0" t2 = etree.SubElement(s, "startX") t2.text = "0" t3 = etree.SubElement(s, "startY") t3.text = "0" t4 = etree.SubElement(s, "endX") t4.text = "16" t5 = etree.SubElement(s, "endY") t5.text = "16" # Camera u = etree.SubElement(a, "sensor", { "name": camera_frame_name, "type": "camera" }) v = etree.SubElement(u, "update_rate") v.text = "20.0" w = etree.SubElement(u, "camera") #, {"name": link_name + "_image"}) x = etree.SubElement(w, "horizontal_fov") x.text = str(1.20428) y = etree.SubElement(w, "image") y1 = etree.SubElement(y, "width") y1.text = "640" y2 = etree.SubElement(y, "height") y2.text = "480" y3 = etree.SubElement(y, "format") y3.text = "R8G8B8" z = etree.SubElement(w, "clip") z1 = etree.SubElement(z, "near") z1.text = "0.2" z2 = etree.SubElement(z, "far") z2.text = "5" pg = etree.SubElement( u, "plugin", { "name": link_name + "_controller", "filename": "libgazebo_ros_camera.so" }) pg1 = etree.SubElement(pg, "alwaysOn") pg1.text = "true" pg2 = etree.SubElement(pg, "updateRate") pg2.text = "0.0" pg3 = etree.SubElement(pg, "cameraName") pg3.text = link_name pg4 = etree.SubElement(pg, "imageTopicName") pg4.text = namespace + link_name + "/image_raw" pg5 = etree.SubElement(pg, "cameraInfoTopicName") pg5.text = namespace + link_name + "/camera_info" pg6 = etree.SubElement(pg, "frameName") pg6.text = camera_frame_name pg7 = etree.SubElement(pg, "distortionK1") pg7.text = "0.00000001" pg8 = etree.SubElement(pg, "distortionK2") pg8.text = "0.00000001" pg9 = etree.SubElement(pg, "distortionK3") pg9.text = "0.00000001" pg10 = etree.SubElement(pg, "distortionT1") pg10.text = "0.00000001" pg11 = etree.SubElement(pg, "distortionT2") pg11.text = "0.00000001" pg12 = etree.SubElement(pg, "hackBaseline") pg12.text = "0" robot.add_aggregate("gazebo", a) # Gazebo plugin a = etree.Element("gazebo") b = etree.SubElement(a, "plugin", { "name": "gazebo_ros_control", "filename": "libgazebo_ros_control.so" }) c = etree.SubElement(b, "robotNamespace") c.text = namespace # d = etree.SubElement(b, "robotParam") # d.text = "/robot_description" robot.add_aggregate("gazebo", a) return robot
def generate_robot(namespace): robot = urdf.Robot("Camera") ns = namespace l_base = urdf.Link("base_link") l_base.inertial = default_inertial() robot.add_link(l_base) l_camera = urdf.Link("camera_link") l_camera.inertial = default_inertial() l_camera.collision = default_collision() l_camera.visual = default_visual() robot.add_link(l_camera) j_camera = urdf.Joint("camera_joint", parent="base_link", child="camera_link", joint_type="fixed", axis=[0, 1, 0], origin=urdf.Pose([-1, 0, 0.5])) robot.add_joint(j_camera) a = etree.Element("gazebo", {"reference": "camera_link"}) b = etree.SubElement(a, "sensor", {"type": "camera", "name": "camera1"}) c = etree.SubElement(b, "update_rate") c.text = "30.0" d = etree.SubElement(b, "camera", {"name": "camera_main"}) r = etree.SubElement(d, "horizontal_fov") r.text = "1.3962634" e = etree.SubElement(d, "image") f = etree.SubElement(e, "width") f.text = "800" g = etree.SubElement(e, "height") g.text = "800" h = etree.SubElement(e, "format") h.text = "R8G8B8" s = etree.SubElement(d, "clip") t = etree.SubElement(s, "near") t.text = "0.02" w = etree.SubElement(s, "far") w.text = "300" i = etree.SubElement(b, "plugin", { "name": "camera_controller", "filename": "libgazebo_ros_camera.so" }) j = etree.SubElement(i, "alwaysOn") j.text = "true" k = etree.SubElement(i, "updateRate") k.text = "0.0" l = etree.SubElement(i, "cameraName") l.text = "camera1" m = etree.SubElement(i, "imageTopicName") m.text = ns + "camera/image_raw" n = etree.SubElement(i, "cameraInfoTopicName") n.text = ns + "camera/info" o = etree.SubElement(i, "frameName") o.text = "camera_link" p = etree.SubElement(a, "static") p.text = "true" q = etree.SubElement(a, "turnGravityOff") q.text = "true" robot.add_aggregate("gazebo", a) return robot