Example #1
0
def main():

    mujoco = e.Mujoco(model="reacher", )
    compiler = e.Compiler(
        angle="radian",
        inertiafromgeom="true",
    )
    default = e.Default()
    option = e.Option(
        gravity="0 0 -9.81",
        integrator="RK4",
        timestep="0.01",
    )
    worldbody = e.Worldbody()
    actuator = e.Actuator()
    mujoco.add_children([
        compiler,
        default,
        option,
        worldbody,
        actuator,
    ])
    joint = e.Joint(
        armature="1",
        damping="1",
        limited="true",
    )
    geom = e.Geom(
        contype="0",
        friction="1 0.1 0.1",
        rgba="0.7 0.7 0 1",
    )
    default.add_children([
        joint,
        geom,
    ])
    ground = e.Geom(
        conaffinity="0",
        contype="0",
        name="ground",
        pos="0 0 0",
        rgba="0.9 0.9 0.9 1",
        size="1 1 10",
        type="plane",
    )
    sideS = e.Geom(
        conaffinity="0",
        fromto="-.3 -.3 .01 .3 -.3 .01",
        name="sideS",
        rgba="0.9 0.4 0.6 1",
        size=".02",
        type="capsule",
    )
    sideE = e.Geom(
        conaffinity="0",
        fromto=" .3 -.3 .01 .3  .3 .01",
        name="sideE",
        rgba="0.9 0.4 0.6 1",
        size=".02",
        type="capsule",
    )
    sideN = e.Geom(
        conaffinity="0",
        fromto="-.3  .3 .01 .3  .3 .01",
        name="sideN",
        rgba="0.9 0.4 0.6 1",
        size=".02",
        type="capsule",
    )
    sideW = e.Geom(
        conaffinity="0",
        fromto="-.3 -.3 .01 -.3 .3 .01",
        name="sideW",
        rgba="0.9 0.4 0.6 1",
        size=".02",
        type="capsule",
    )
    root = e.Geom(
        conaffinity="0",
        contype="0",
        fromto="0 0 0 0 0 0.02",
        name="root",
        rgba="0.9 0.4 0.6 1",
        size=".011",
        type="cylinder",
    )
    body0 = e.Body(
        name="body0",
        pos="0 0 .01",
    )
    target = e.Body(
        name="target",
        pos=".1 -.1 .01",
    )
    worldbody.add_children([
        ground,
        sideS,
        sideE,
        sideN,
        sideW,
        root,
        body0,
        target,
    ])
    motor = e.Motor(
        ctrllimited="true",
        ctrlrange="-1.0 1.0",
        gear="200.0",
        joint="joint0",
    )
    motor_1 = e.Motor(
        ctrllimited="true",
        ctrlrange="-1.0 1.0",
        gear="200.0",
        joint="joint1",
    )
    actuator.add_children([
        motor,
        motor_1,
    ])
    link0 = e.Geom(
        fromto="0 0 0 0.1 0 0",
        name="link0",
        rgba="0.0 0.4 0.6 1",
        size=".01",
        type="capsule",
    )
    joint0 = e.Joint(
        axis="0 0 1",
        limited="false",
        name="joint0",
        pos="0 0 0",
        type="hinge",
    )
    body1 = e.Body(
        name="body1",
        pos="0.1 0 0",
    )
    body0.add_children([
        link0,
        joint0,
        body1,
    ])
    target_x = e.Joint(
        armature="0",
        axis="1 0 0",
        damping="0",
        limited="true",
        name="target_x",
        pos="0 0 0",
        range="-.27 .27",
        ref=".1",
        stiffness="0",
        type="slide",
    )
    target_y = e.Joint(
        armature="0",
        axis="0 1 0",
        damping="0",
        limited="true",
        name="target_y",
        pos="0 0 0",
        range="-.27 .27",
        ref="-.1",
        stiffness="0",
        type="slide",
    )
    target_1 = e.Geom(
        conaffinity="0",
        contype="0",
        name="target",
        pos="0 0 0",
        rgba="0.9 0.2 0.2 1",
        size=".009",
        type="sphere",
    )
    target.add_children([
        target_x,
        target_y,
        target_1,
    ])
    joint1 = e.Joint(
        axis="0 0 1",
        limited="true",
        name="joint1",
        pos="0 0 0",
        range="-3.0 3.0",
        type="hinge",
    )
    link1 = e.Geom(
        fromto="0 0 0 0.1 0 0",
        name="link1",
        rgba="0.0 0.4 0.6 1",
        size=".01",
        type="capsule",
    )
    fingertip = e.Body(
        name="fingertip",
        pos="0.11 0 0",
    )
    body1.add_children([
        joint1,
        link1,
        fingertip,
    ])
    fingertip_1 = e.Geom(
        contype="0",
        name="fingertip",
        pos="0 0 0",
        rgba="0.0 0.8 0.6 1",
        size=".01",
        type="sphere",
    )
    fingertip.add_children([
        fingertip_1,
    ])

    model_xml = mujoco.xml()

    # Output
    with open('reacher_gen.xml', 'w') as fh:
        fh.write(model_xml)
Example #2
0
def main():

    mujoco = e.Mujoco(model="cheetah", )
    compiler = e.Compiler(
        angle="radian",
        coordinate="local",
        inertiafromgeom="true",
        settotalmass="14",
    )
    default = e.Default()
    size = e.Size(
        nstack="300000",
        nuser_geom="1",
    )
    option = e.Option(
        gravity="0 0 -9.81",
        timestep="0.01",
    )
    asset = e.Asset()
    worldbody = e.Worldbody()
    actuator = e.Actuator()
    mujoco.add_children([
        compiler,
        default,
        size,
        option,
        asset,
        worldbody,
        actuator,
    ])
    joint = e.Joint(
        armature=".1",
        damping=".01",
        limited="true",
        solimplimit="0 .8 .03",
        solreflimit=".02 1",
        stiffness="8",
    )
    geom = e.Geom(
        conaffinity="0",
        condim="3",
        contype="1",
        friction=".4 .1 .1",
        rgba="0.8 0.6 .4 1",
        solimp="0.0 0.8 0.01",
        solref="0.02 1",
    )
    motor = e.Motor(
        ctrllimited="true",
        ctrlrange="-1 1",
    )
    default.add_children([
        joint,
        geom,
        motor,
    ])
    texture = e.Texture(
        builtin="gradient",
        height="100",
        rgb1="1 1 1",
        rgb2="0 0 0",
        type="skybox",
        width="100",
    )
    texgeom = e.Texture(
        builtin="flat",
        height="1278",
        mark="cross",
        markrgb="1 1 1",
        name="texgeom",
        random="0.01",
        rgb1="0.8 0.6 0.4",
        rgb2="0.8 0.6 0.4",
        type="cube",
        width="127",
    )
    texplane = e.Texture(
        builtin="checker",
        height="100",
        name="texplane",
        rgb1="0 0 0",
        rgb2="0.8 0.8 0.8",
        type="2d",
        width="100",
    )
    MatPlane = e.Material(
        name="MatPlane",
        reflectance="0.5",
        shininess="1",
        specular="1",
        texrepeat="60 60",
        texture="texplane",
    )
    geom_1 = e.Material(
        name="geom",
        texture="texgeom",
        texuniform="true",
    )
    asset.add_children([
        texture,
        texgeom,
        texplane,
        MatPlane,
        geom_1,
    ])
    light = e.Light(
        cutoff="100",
        diffuse="1 1 1",
        dir="-0 0 -1.3",
        directional="true",
        exponent="1",
        pos="0 0 1.3",
        specular=".1 .1 .1",
    )
    floor = e.Geom(
        conaffinity="1",
        condim="3",
        material="MatPlane",
        name="floor",
        pos="0 0 0",
        rgba="0.8 0.9 0.8 1",
        size="40 40 40",
        type="plane",
    )
    torso = e.Body(
        name="torso",
        pos="0 0 .7",
    )
    worldbody.add_children([
        light,
        floor,
        torso,
    ])
    bthigh = e.Motor(
        gear="120",
        joint="bthigh",
        name="bthigh",
    )
    bshin = e.Motor(
        gear="90",
        joint="bshin",
        name="bshin",
    )
    bfoot = e.Motor(
        gear="60",
        joint="bfoot",
        name="bfoot",
    )
    fthigh = e.Motor(
        gear="120",
        joint="fthigh",
        name="fthigh",
    )
    fshin = e.Motor(
        gear="60",
        joint="fshin",
        name="fshin",
    )
    ffoot = e.Motor(
        gear="30",
        joint="ffoot",
        name="ffoot",
    )
    actuator.add_children([
        bthigh,
        bshin,
        bfoot,
        fthigh,
        fshin,
        ffoot,
    ])
    track = e.Camera(
        name="track",
        mode="trackcom",
        pos="0 -3 0.3",
        xyaxes="1 0 0 0 0 1",
    )
    rootx = e.Joint(
        armature="0",
        axis="1 0 0",
        damping="0",
        limited="false",
        name="rootx",
        pos="0 0 0",
        stiffness="0",
        type="slide",
    )
    rootz = e.Joint(
        armature="0",
        axis="0 0 1",
        damping="0",
        limited="false",
        name="rootz",
        pos="0 0 0",
        stiffness="0",
        type="slide",
    )
    rooty = e.Joint(
        armature="0",
        axis="0 1 0",
        damping="0",
        limited="false",
        name="rooty",
        pos="0 0 0",
        stiffness="0",
        type="hinge",
    )
    torso_1 = e.Geom(
        fromto="-.5 0 0 .5 0 0",
        name="torso",
        size="0.046",
        type="capsule",
    )
    head = e.Geom(
        axisangle="0 1 0 .87",
        name="head",
        pos=".6 0 .1",
        size="0.046 .15",
        type="capsule",
    )
    bthigh_1 = e.Body(
        name="bthigh",
        pos="-.5 0 0",
    )
    fthigh_1 = e.Body(
        name="fthigh",
        pos=".5 0 0",
    )
    torso.add_children([
        track,
        rootx,
        rootz,
        rooty,
        torso_1,
        head,
        bthigh_1,
        fthigh_1,
    ])
    bthigh_2 = e.Joint(
        axis="0 1 0",
        damping="6",
        name="bthigh",
        pos="0 0 0",
        range="-.52 1.05",
        stiffness="240",
        type="hinge",
    )
    bthigh_3 = e.Geom(
        axisangle="0 1 0 -3.8",
        name="bthigh",
        pos=".1 0 -.13",
        size="0.046 .145",
        type="capsule",
    )
    bshin_1 = e.Body(
        name="bshin",
        pos=".16 0 -.25",
    )
    bthigh_1.add_children([
        bthigh_2,
        bthigh_3,
        bshin_1,
    ])
    fthigh_2 = e.Joint(
        axis="0 1 0",
        damping="4.5",
        name="fthigh",
        pos="0 0 0",
        range="-1 .7",
        stiffness="180",
        type="hinge",
    )
    fthigh_3 = e.Geom(
        axisangle="0 1 0 .52",
        name="fthigh",
        pos="-.07 0 -.12",
        size="0.046 .133",
        type="capsule",
    )
    fshin_1 = e.Body(
        name="fshin",
        pos="-.14 0 -.24",
    )
    fthigh_1.add_children([
        fthigh_2,
        fthigh_3,
        fshin_1,
    ])
    bshin_2 = e.Joint(
        axis="0 1 0",
        damping="4.5",
        name="bshin",
        pos="0 0 0",
        range="-.785 .785",
        stiffness="180",
        type="hinge",
    )
    bshin_3 = e.Geom(
        axisangle="0 1 0 -2.03",
        name="bshin",
        pos="-.14 0 -.07",
        rgba="0.9 0.6 0.6 1",
        size="0.046 .15",
        type="capsule",
    )
    bfoot_1 = e.Body(
        name="bfoot",
        pos="-.28 0 -.14",
    )
    bshin_1.add_children([
        bshin_2,
        bshin_3,
        bfoot_1,
    ])
    fshin_2 = e.Joint(
        axis="0 1 0",
        damping="3",
        name="fshin",
        pos="0 0 0",
        range="-1.2 .87",
        stiffness="120",
        type="hinge",
    )
    fshin_3 = e.Geom(
        axisangle="0 1 0 -.6",
        name="fshin",
        pos=".065 0 -.09",
        rgba="0.9 0.6 0.6 1",
        size="0.046 .106",
        type="capsule",
    )
    ffoot_1 = e.Body(
        name="ffoot",
        pos=".13 0 -.18",
    )
    fshin_1.add_children([
        fshin_2,
        fshin_3,
        ffoot_1,
    ])
    bfoot_2 = e.Joint(
        axis="0 1 0",
        damping="3",
        name="bfoot",
        pos="0 0 0",
        range="-.4 .785",
        stiffness="120",
        type="hinge",
    )
    bfoot_3 = e.Geom(
        axisangle="0 1 0 -.27",
        name="bfoot",
        pos=".03 0 -.097",
        rgba="0.9 0.6 0.6 1",
        size="0.046 .094",
        type="capsule",
    )
    bfoot_1.add_children([
        bfoot_2,
        bfoot_3,
    ])
    ffoot_2 = e.Joint(
        axis="0 1 0",
        damping="1.5",
        name="ffoot",
        pos="0 0 0",
        range="-.5 .5",
        stiffness="60",
        type="hinge",
    )
    ffoot_3 = e.Geom(
        axisangle="0 1 0 -.6",
        name="ffoot",
        pos=".045 0 -.07",
        rgba="0.9 0.6 0.6 1",
        size="0.046 .07",
        type="capsule",
    )
    ffoot_1.add_children([
        ffoot_2,
        ffoot_3,
    ])

    model_xml = mujoco.xml()

    # Output
    with open('half_cheetah_gen.xml', 'w') as fh:
        fh.write(model_xml)
Example #3
0
def main():

    mujoco = e.Mujoco(model="humanoidstandup", )
    compiler = e.Compiler(
        angle="degree",
        inertiafromgeom="true",
    )
    default = e.Default()
    option = e.Option(
        integrator="RK4",
        iterations="50",
        solver="PGS",
        timestep="0.003",
    )
    size = e.Size(
        nkey="5",
        nuser_geom="1",
    )
    visual = e.Visual()
    asset = e.Asset()
    worldbody = e.Worldbody()
    tendon = e.Tendon()
    actuator = e.Actuator()
    mujoco.add_children([
        compiler,
        default,
        option,
        size,
        visual,
        asset,
        worldbody,
        tendon,
        actuator,
    ])
    joint = e.Joint(
        armature="1",
        damping="1",
        limited="true",
    )
    geom = e.Geom(
        conaffinity="1",
        condim="1",
        contype="1",
        margin="0.001",
        material="geom",
        rgba="0.8 0.6 .4 1",
    )
    motor = e.Motor(
        ctrllimited="true",
        ctrlrange="-.4 .4",
    )
    default.add_children([
        joint,
        geom,
        motor,
    ])
    map = e.Map(
        fogend="5",
        fogstart="3",
    )
    visual.add_children([
        map,
    ])
    texture = e.Texture(
        builtin="gradient",
        height="100",
        rgb1=".4 .5 .6",
        rgb2="0 0 0",
        type="skybox",
        width="100",
    )
    texgeom = e.Texture(
        builtin="flat",
        height="1278",
        mark="cross",
        markrgb="1 1 1",
        name="texgeom",
        random="0.01",
        rgb1="0.8 0.6 0.4",
        rgb2="0.8 0.6 0.4",
        type="cube",
        width="127",
    )
    texplane = e.Texture(
        builtin="checker",
        height="100",
        name="texplane",
        rgb1="0 0 0",
        rgb2="0.8 0.8 0.8",
        type="2d",
        width="100",
    )
    MatPlane = e.Material(
        name="MatPlane",
        reflectance="0.5",
        shininess="1",
        specular="1",
        texrepeat="60 60",
        texture="texplane",
    )
    geom_1 = e.Material(
        name="geom",
        texture="texgeom",
        texuniform="true",
    )
    asset.add_children([
        texture,
        texgeom,
        texplane,
        MatPlane,
        geom_1,
    ])
    light = e.Light(
        cutoff="100",
        diffuse="1 1 1",
        dir="-0 0 -1.3",
        directional="true",
        exponent="1",
        pos="0 0 1.3",
        specular=".1 .1 .1",
    )
    floor = e.Geom(
        condim="3",
        friction="1 .1 .1",
        material="MatPlane",
        name="floor",
        pos="0 0 0",
        rgba="0.8 0.9 0.8 1",
        size="20 20 0.125",
        type="plane",
    )
    torso = e.Body(
        name="torso",
        pos="0 0 .105",
    )
    worldbody.add_children([
        light,
        floor,
        torso,
    ])
    left_hipknee = e.Fixed(name="left_hipknee", )
    right_hipknee = e.Fixed(name="right_hipknee", )
    tendon.add_children([
        left_hipknee,
        right_hipknee,
    ])
    abdomen_y = e.Motor(
        gear="100",
        joint="abdomen_y",
        name="abdomen_y",
    )
    abdomen_z = e.Motor(
        gear="100",
        joint="abdomen_z",
        name="abdomen_z",
    )
    abdomen_x = e.Motor(
        gear="100",
        joint="abdomen_x",
        name="abdomen_x",
    )
    right_hip_x = e.Motor(
        gear="100",
        joint="right_hip_x",
        name="right_hip_x",
    )
    right_hip_z = e.Motor(
        gear="100",
        joint="right_hip_z",
        name="right_hip_z",
    )
    right_hip_y = e.Motor(
        gear="300",
        joint="right_hip_y",
        name="right_hip_y",
    )
    right_knee = e.Motor(
        gear="200",
        joint="right_knee",
        name="right_knee",
    )
    left_hip_x = e.Motor(
        gear="100",
        joint="left_hip_x",
        name="left_hip_x",
    )
    left_hip_z = e.Motor(
        gear="100",
        joint="left_hip_z",
        name="left_hip_z",
    )
    left_hip_y = e.Motor(
        gear="300",
        joint="left_hip_y",
        name="left_hip_y",
    )
    left_knee = e.Motor(
        gear="200",
        joint="left_knee",
        name="left_knee",
    )
    right_shoulder1 = e.Motor(
        gear="25",
        joint="right_shoulder1",
        name="right_shoulder1",
    )
    right_shoulder2 = e.Motor(
        gear="25",
        joint="right_shoulder2",
        name="right_shoulder2",
    )
    right_elbow = e.Motor(
        gear="25",
        joint="right_elbow",
        name="right_elbow",
    )
    left_shoulder1 = e.Motor(
        gear="25",
        joint="left_shoulder1",
        name="left_shoulder1",
    )
    left_shoulder2 = e.Motor(
        gear="25",
        joint="left_shoulder2",
        name="left_shoulder2",
    )
    left_elbow = e.Motor(
        gear="25",
        joint="left_elbow",
        name="left_elbow",
    )
    actuator.add_children([
        abdomen_y,
        abdomen_z,
        abdomen_x,
        right_hip_x,
        right_hip_z,
        right_hip_y,
        right_knee,
        left_hip_x,
        left_hip_z,
        left_hip_y,
        left_knee,
        right_shoulder1,
        right_shoulder2,
        right_elbow,
        left_shoulder1,
        left_shoulder2,
        left_elbow,
    ])
    track = e.Camera(
        name="track",
        mode="trackcom",
        pos="0 -3 .5",
        xyaxes="1 0 0 0 0 1",
    )
    root = e.Joint(
        armature="0",
        damping="0",
        limited="false",
        name="root",
        pos="0 0 0",
        stiffness="0",
        type="free",
    )
    torso1 = e.Geom(
        fromto="0 -.07 0 0 .07 0",
        name="torso1",
        size="0.07",
        type="capsule",
    )
    head = e.Geom(
        name="head",
        pos="-.15 0 0",
        size=".09",
        type="sphere",
        user="******",
    )
    uwaist = e.Geom(
        fromto=".11 -.06 0 .11 .06 0",
        name="uwaist",
        size="0.06",
        type="capsule",
    )
    lwaist = e.Body(
        name="lwaist",
        pos=".21 0 0",
        quat="1.000 0 -0.002 0",
    )
    right_upper_arm = e.Body(
        name="right_upper_arm",
        pos="0 -0.17 0.06",
    )
    left_upper_arm = e.Body(
        name="left_upper_arm",
        pos="0 0.17 0.06",
    )
    torso.add_children([
        track,
        root,
        torso1,
        head,
        uwaist,
        lwaist,
        right_upper_arm,
        left_upper_arm,
    ])
    joint_1 = e.Joint(
        coef="-1",
        joint="left_hip_y",
    )
    joint_2 = e.Joint(
        coef="1",
        joint="left_knee",
    )
    left_hipknee.add_children([
        joint_1,
        joint_2,
    ])
    joint_3 = e.Joint(
        coef="-1",
        joint="right_hip_y",
    )
    joint_4 = e.Joint(
        coef="1",
        joint="right_knee",
    )
    right_hipknee.add_children([
        joint_3,
        joint_4,
    ])
    lwaist_1 = e.Geom(
        fromto="0 -.06 0 0 .06 0",
        name="lwaist",
        size="0.06",
        type="capsule",
    )
    abdomen_z_1 = e.Joint(
        armature="0.02",
        axis="0 0 1",
        damping="5",
        name="abdomen_z",
        pos="0 0 0.065",
        range="-45 45",
        stiffness="20",
        type="hinge",
    )
    abdomen_y_1 = e.Joint(
        armature="0.02",
        axis="0 1 0",
        damping="5",
        name="abdomen_y",
        pos="0 0 0.065",
        range="-75 30",
        stiffness="10",
        type="hinge",
    )
    pelvis = e.Body(
        name="pelvis",
        pos="0.165 0 0",
        quat="1.000 0 -0.002 0",
    )
    lwaist.add_children([
        lwaist_1,
        abdomen_z_1,
        abdomen_y_1,
        pelvis,
    ])
    right_shoulder1_1 = e.Joint(
        armature="0.0068",
        axis="2 1 1",
        name="right_shoulder1",
        pos="0 0 0",
        range="-85 60",
        stiffness="1",
        type="hinge",
    )
    right_shoulder2_1 = e.Joint(
        armature="0.0051",
        axis="0 -1 1",
        name="right_shoulder2",
        pos="0 0 0",
        range="-85 60",
        stiffness="1",
        type="hinge",
    )
    right_uarm1 = e.Geom(
        fromto="0 0 0 .16 -.16 -.16",
        name="right_uarm1",
        size="0.04 0.16",
        type="capsule",
    )
    right_lower_arm = e.Body(
        name="right_lower_arm",
        pos=".18 -.18 -.18",
    )
    right_upper_arm.add_children([
        right_shoulder1_1,
        right_shoulder2_1,
        right_uarm1,
        right_lower_arm,
    ])
    left_shoulder1_1 = e.Joint(
        armature="0.0068",
        axis="2 -1 1",
        name="left_shoulder1",
        pos="0 0 0",
        range="-60 85",
        stiffness="1",
        type="hinge",
    )
    left_shoulder2_1 = e.Joint(
        armature="0.0051",
        axis="0 1 1",
        name="left_shoulder2",
        pos="0 0 0",
        range="-60 85",
        stiffness="1",
        type="hinge",
    )
    left_uarm1 = e.Geom(
        fromto="0 0 0 .16 .16 -.16",
        name="left_uarm1",
        size="0.04 0.16",
        type="capsule",
    )
    left_lower_arm = e.Body(
        name="left_lower_arm",
        pos=".18 .18 -.18",
    )
    left_upper_arm.add_children([
        left_shoulder1_1,
        left_shoulder2_1,
        left_uarm1,
        left_lower_arm,
    ])
    abdomen_x_1 = e.Joint(
        armature="0.02",
        axis="1 0 0",
        damping="5",
        name="abdomen_x",
        pos="0 0 0.1",
        range="-35 35",
        stiffness="10",
        type="hinge",
    )
    butt = e.Geom(
        fromto="-.02 -.07 0 -.02 .07 0",
        name="butt",
        size="0.09",
        type="capsule",
    )
    right_thigh = e.Body(
        name="right_thigh",
        pos="0 -0.1 0",
    )
    left_thigh = e.Body(
        name="left_thigh",
        pos="0 0.1 0",
    )
    pelvis.add_children([
        abdomen_x_1,
        butt,
        right_thigh,
        left_thigh,
    ])
    right_elbow_1 = e.Joint(
        armature="0.0028",
        axis="0 -1 1",
        name="right_elbow",
        pos="0 0 0",
        range="-90 50",
        stiffness="0",
        type="hinge",
    )
    right_larm = e.Geom(
        fromto="0.01 0.01 0.01 .17 .17 .17",
        name="right_larm",
        size="0.031",
        type="capsule",
    )
    right_hand = e.Geom(
        name="right_hand",
        pos=".18 .18 .18",
        size="0.04",
        type="sphere",
    )
    camera = e.Camera(pos="0 0 0", )
    right_lower_arm.add_children([
        right_elbow_1,
        right_larm,
        right_hand,
        camera,
    ])
    left_elbow_1 = e.Joint(
        armature="0.0028",
        axis="0 -1 -1",
        name="left_elbow",
        pos="0 0 0",
        range="-90 50",
        stiffness="0",
        type="hinge",
    )
    left_larm = e.Geom(
        fromto="0.01 -0.01 0.01 .17 -.17 .17",
        name="left_larm",
        size="0.031",
        type="capsule",
    )
    left_hand = e.Geom(
        name="left_hand",
        pos=".18 -.18 .18",
        size="0.04",
        type="sphere",
    )
    left_lower_arm.add_children([
        left_elbow_1,
        left_larm,
        left_hand,
    ])
    right_hip_x_1 = e.Joint(
        armature="0.01",
        axis="1 0 0",
        damping="5",
        name="right_hip_x",
        pos="0 0 0",
        range="-25 5",
        stiffness="10",
        type="hinge",
    )
    right_hip_z_1 = e.Joint(
        armature="0.01",
        axis="0 0 1",
        damping="5",
        name="right_hip_z",
        pos="0 0 0",
        range="-60 35",
        stiffness="10",
        type="hinge",
    )
    right_hip_y_1 = e.Joint(
        armature="0.0080",
        axis="0 1 0",
        damping="5",
        name="right_hip_y",
        pos="0 0 0",
        range="-110 20",
        stiffness="20",
        type="hinge",
    )
    right_thigh1 = e.Geom(
        fromto="0 0 0 0.34 0.01 0",
        name="right_thigh1",
        size="0.06",
        type="capsule",
    )
    right_shin = e.Body(
        name="right_shin",
        pos="0.403 0.01 0",
    )
    right_thigh.add_children([
        right_hip_x_1,
        right_hip_z_1,
        right_hip_y_1,
        right_thigh1,
        right_shin,
    ])
    left_hip_x_1 = e.Joint(
        armature="0.01",
        axis="-1 0 0",
        damping="5",
        name="left_hip_x",
        pos="0 0 0",
        range="-25 5",
        stiffness="10",
        type="hinge",
    )
    left_hip_z_1 = e.Joint(
        armature="0.01",
        axis="0 0 -1",
        damping="5",
        name="left_hip_z",
        pos="0 0 0",
        range="-60 35",
        stiffness="10",
        type="hinge",
    )
    left_hip_y_1 = e.Joint(
        armature="0.01",
        axis="0 1 0",
        damping="5",
        name="left_hip_y",
        pos="0 0 0",
        range="-120 20",
        stiffness="20",
        type="hinge",
    )
    left_thigh1 = e.Geom(
        fromto="0 0 0 0.34 -0.01 0",
        name="left_thigh1",
        size="0.06",
        type="capsule",
    )
    left_shin = e.Body(
        name="left_shin",
        pos="0.403 -0.01 0",
    )
    left_thigh.add_children([
        left_hip_x_1,
        left_hip_z_1,
        left_hip_y_1,
        left_thigh1,
        left_shin,
    ])
    right_knee_1 = e.Joint(
        armature="0.0060",
        axis="0 -1 0",
        name="right_knee",
        pos="0 0 .02",
        range="-160 -2",
        type="hinge",
    )
    right_shin1 = e.Geom(
        fromto="0 0 0 0.3 0 0",
        name="right_shin1",
        size="0.049",
        type="capsule",
    )
    right_foot = e.Body(
        name="right_foot",
        pos="0.35 0 -.10",
    )
    right_shin.add_children([
        right_knee_1,
        right_shin1,
        right_foot,
    ])
    left_knee_1 = e.Joint(
        armature="0.0060",
        axis="0 -1 0",
        name="left_knee",
        pos="0 0 .02",
        range="-160 -2",
        stiffness="1",
        type="hinge",
    )
    left_shin1 = e.Geom(
        fromto="0 0 0 0.3 0 0",
        name="left_shin1",
        size="0.049",
        type="capsule",
    )
    left_foot = e.Body(
        name="left_foot",
        pos="0.35 0 -.1",
    )
    left_shin.add_children([
        left_knee_1,
        left_shin1,
        left_foot,
    ])
    right_foot_1 = e.Geom(
        name="right_foot",
        pos="0 0 0.1",
        size="0.075",
        type="sphere",
        user="******",
    )
    right_foot.add_children([
        right_foot_1,
    ])
    left_foot_1 = e.Geom(
        name="left_foot",
        type="sphere",
        size="0.075",
        pos="0 0 0.1",
        user="******",
    )
    left_foot.add_children([
        left_foot_1,
    ])

    model_xml = mujoco.xml()

    # Output
    with open('humanoidstandup_gen.xml', 'w') as fh:
        fh.write(model_xml)
Example #4
0
def main():

    mujoco = e.Mujoco(model="swimmer", )
    compiler = e.Compiler(
        angle="degree",
        coordinate="local",
        inertiafromgeom="true",
    )
    option = e.Option(
        collision="predefined",
        density="4000",
        integrator="RK4",
        timestep="0.01",
        viscosity="0.1",
    )
    default = e.Default()
    asset = e.Asset()
    worldbody = e.Worldbody()
    actuator = e.Actuator()
    mujoco.add_children([
        compiler,
        option,
        default,
        asset,
        worldbody,
        actuator,
    ])
    geom = e.Geom(
        conaffinity="1",
        condim="1",
        contype="1",
        material="geom",
        rgba="0.8 0.6 .4 1",
    )
    joint = e.Joint(armature="0.1", )
    default.add_children([
        geom,
        joint,
    ])
    texture = e.Texture(
        builtin="gradient",
        height="100",
        rgb1="1 1 1",
        rgb2="0 0 0",
        type="skybox",
        width="100",
    )
    texgeom = e.Texture(
        builtin="flat",
        height="1278",
        mark="cross",
        markrgb="1 1 1",
        name="texgeom",
        random="0.01",
        rgb1="0.8 0.6 0.4",
        rgb2="0.8 0.6 0.4",
        type="cube",
        width="127",
    )
    texplane = e.Texture(
        builtin="checker",
        height="100",
        name="texplane",
        rgb1="0 0 0",
        rgb2="0.8 0.8 0.8",
        type="2d",
        width="100",
    )
    MatPlane = e.Material(
        name="MatPlane",
        reflectance="0.5",
        shininess="1",
        specular="1",
        texrepeat="30 30",
        texture="texplane",
    )
    geom_1 = e.Material(
        name="geom",
        texture="texgeom",
        texuniform="true",
    )
    asset.add_children([
        texture,
        texgeom,
        texplane,
        MatPlane,
        geom_1,
    ])
    light = e.Light(
        cutoff="100",
        diffuse="1 1 1",
        dir="-0 0 -1.3",
        directional="true",
        exponent="1",
        pos="0 0 1.3",
        specular=".1 .1 .1",
    )
    floor = e.Geom(
        conaffinity="1",
        condim="3",
        material="MatPlane",
        name="floor",
        pos="0 0 -0.1",
        rgba="0.8 0.9 0.8 1",
        size="40 40 0.1",
        type="plane",
    )
    torso = e.Body(
        name="torso",
        pos="0 0 0",
    )
    worldbody.add_children([
        light,
        floor,
        torso,
    ])
    motor = e.Motor(
        ctrllimited="true",
        ctrlrange="-1 1",
        gear="150.0",
        joint="rot2",
    )
    motor_1 = e.Motor(
        ctrllimited="true",
        ctrlrange="-1 1",
        gear="150.0",
        joint="rot3",
    )
    actuator.add_children([
        motor,
        motor_1,
    ])
    geom_2 = e.Geom(
        density="1000",
        fromto="1.5 0 0 0.5 0 0",
        size="0.1",
        type="capsule",
    )
    slider1 = e.Joint(
        axis="1 0 0",
        name="slider1",
        pos="0 0 0",
        type="slide",
    )
    slider2 = e.Joint(
        axis="0 1 0",
        name="slider2",
        pos="0 0 0",
        type="slide",
    )
    rot = e.Joint(
        axis="0 0 1",
        name="rot",
        pos="0 0 0",
        type="hinge",
    )
    mid = e.Body(
        name="mid",
        pos="0.5 0 0",
    )
    torso.add_children([
        geom_2,
        slider1,
        slider2,
        rot,
        mid,
    ])
    geom_3 = e.Geom(
        density="1000",
        fromto="0 0 0 -1 0 0",
        size="0.1",
        type="capsule",
    )
    rot2 = e.Joint(
        axis="0 0 1",
        limited="true",
        name="rot2",
        pos="0 0 0",
        range="-100 100",
        type="hinge",
    )
    back = e.Body(
        name="back",
        pos="-1 0 0",
    )
    mid.add_children([
        geom_3,
        rot2,
        back,
    ])
    geom_4 = e.Geom(
        density="1000",
        fromto="0 0 0 -1 0 0",
        size="0.1",
        type="capsule",
    )
    rot3 = e.Joint(
        axis="0 0 1",
        limited="true",
        name="rot3",
        pos="0 0 0",
        range="-100 100",
        type="hinge",
    )
    back.add_children([
        geom_4,
        rot3,
    ])

    model_xml = mujoco.xml()

    # Output
    with open('swimmer_gen.xml', 'w') as fh:
        fh.write(model_xml)
Example #5
0
def main():
    #########################
    # Level 1
    mujoco = e.Mujoco(model="ant")

    #########################
    # Level 2
    compiler = e.Compiler(angle="degree",
                          coordinate="local",
                          inertiafromgeom=True)
    option = e.Option(integrator="RK4", timestep=0.01)
    custom = e.Custom()
    default = e.Default()
    asset = e.Asset()
    worldbody = e.Worldbody()
    actuator = e.Actuator()

    mujoco.add_children(
        [compiler, option, custom, default, asset, worldbody, actuator])

    ######################
    # Level 3

    # Custom
    numeric = e.Numeric(
        name="init_qpos",
        data="0.0 0.0 0.55 1.0 0.0 0.0 0.0 0.0 1.0 0.0 -1.0 0.0 -1.0 0.0 1.0",
    )
    custom.add_child(numeric)

    # Default
    d_joint = e.Joint(armature=1, damping=1, limited=True)
    d_geom = e.Geom(conaffinity=0,
                    condim=3,
                    density=5.0,
                    friction=[1, 0.5, 0.5],
                    margin=0.01,
                    rgba=[0.8, 0.6, 0.4, 1])
    default.add_children([d_joint, d_geom])

    # Asset
    tex1 = e.Texture(builtin="gradient",
                     height=100,
                     rgb1=[1, 1, 1],
                     rgb2=[0, 0, 0],
                     type="skybox",
                     width=100)
    tex2 = e.Texture(builtin="flat",
                     height=1278,
                     mark="cross",
                     markrgb=[1, 1, 1],
                     name="texgeom",
                     random=0.01,
                     rgb1=[0.8, 0.6, 0.4],
                     rgb2=[0.8, 0.6, 0.4],
                     type="cube",
                     width=127)
    tex3 = e.Texture(builtin="checker",
                     height=[100],
                     name="texplane",
                     rgb1=[0, 0, 0],
                     rgb2=[0.8, 0.8, 0.8],
                     type="2d",
                     width=100)
    mat1 = e.Material(name="MatPlane",
                      reflectance=0.5,
                      shininess=1,
                      specular=1,
                      texrepeat=[60, 60],
                      texture="texplane")
    mat2 = e.Material(name="geom", texture="texgeom", texuniform=True)
    asset.add_children([
        tex1,
        tex2,
        tex3,
        mat1,
        mat2,
    ])

    # Worldbody
    light = e.Light(cutoff=100,
                    diffuse=[1, 1, 1],
                    dir=[-0, 0, -1.3],
                    directional=True,
                    exponent=1,
                    pos=[0, 0, 1.3],
                    specular=[.1, .1, .1])
    floor_geom = e.Geom(conaffinity=1,
                        condim=3,
                        material="MatPlane",
                        name="floor",
                        pos=[0, 0, 0],
                        rgba=[0.8, 0.9, 0.8, 1],
                        size=[40, 40, 40],
                        type="plane")
    torso = e.Body(
        name="torso",
        pos=[0, 0, 0.75],
    )
    worldbody.add_children([light, floor_geom, torso])

    # Torso
    camera = e.Camera(name="track",
                      mode="trackcom",
                      pos=[0, -3, 0.3],
                      xyaxes=[1, 0, 0, 0, 0, 1])
    torso_geom = e.Geom(name="torso_geom",
                        pos=[0, 0, 0],
                        size=0.25,
                        type="sphere",
                        rgba=None)
    joint = e.Joint(armature=0,
                    damping=0,
                    limited=False,
                    margin=0.01,
                    name="root",
                    pos=[0, 0, 0],
                    type="free")
    front_right_leg, fr_hip, fr_ankle = get_leg("front_right_leg")
    front_left_leg, fl_hip, fl_ankle = get_leg(
        "front_left_leg",
        hip_angle=90,
    )
    back_left_leg, bl_hip, bl_ankle = get_leg(
        "back_left_leg",
        hip_angle=180,
    )
    back_right_leg, br_hip, br_ankle = get_leg(
        "back_right_leg",
        hip_angle=270,
    )
    torso.add_children([
        camera, torso_geom, joint, front_right_leg, front_left_leg,
        back_left_leg, back_right_leg
    ])

    # Actuator
    actuator.add_children([
        fr_hip, fr_ankle, fl_hip, fl_ankle, bl_hip, bl_ankle, br_hip, br_ankle
    ])

    model_xml = mujoco.xml()

    # Output
    with open('ant-gen.xml', 'w') as fh:
        fh.write(model_xml)
Example #6
0
def main():

    mujoco = e.Mujoco(
        model="inverted pendulum",
    )
    compiler = e.Compiler(
        inertiafromgeom="true",
    )
    default = e.Default(
    )
    option = e.Option(
        gravity="0 0 -9.81",
        integrator="RK4",
        timestep="0.02",
    )
    size = e.Size(
        nstack="3000",
    )
    worldbody = e.Worldbody(
    )
    actuator = e.Actuator(
    )
    mujoco.add_children([
        compiler,
        default,
        option,
        size,
        worldbody,
        actuator,
    ])
    joint = e.Joint(
        armature="0",
        damping="1",
        limited="true",
    )
    geom = e.Geom(
        contype="0",
        friction="1 0.1 0.1",
        rgba="0.7 0.7 0 1",
    )
    tendon = e.Tendon(
    )
    motor = e.Motor(
        ctrlrange="-3 3",
    )
    default.add_children([
        joint,
        geom,
        tendon,
        motor,
    ])
    rail = e.Geom(
        name="rail",
        pos="0 0 0",
        quat="0.707 0 0.707 0",
        rgba="0.3 0.3 0.7 1",
        size="0.02 1",
        type="capsule",
    )
    cart = e.Body(
        name="cart",
        pos="0 0 0",
    )
    worldbody.add_children([
        rail,
        cart,
    ])
    slide = e.Motor(
        gear="100",
        joint="slider",
        name="slide",
    )
    actuator.add_children([
        slide,
    ])
    slider = e.Joint(
        axis="1 0 0",
        limited="true",
        name="slider",
        pos="0 0 0",
        range="-1 1",
        type="slide",
    )
    cart_1 = e.Geom(
        name="cart",
        pos="0 0 0",
        quat="0.707 0 0.707 0",
        size="0.1 0.1",
        type="capsule",
    )
    pole = e.Body(
        name="pole",
        pos="0 0 0",
    )
    cart.add_children([
        slider,
        cart_1,
        pole,
    ])
    hinge = e.Joint(
        axis="0 1 0",
        name="hinge",
        pos="0 0 0",
        range="-90 90",
        type="hinge",
    )
    cpole = e.Geom(
        fromto="0 0 0 0.001 0 0.6",
        name="cpole",
        rgba="0 0.7 0.7 1",
        size="0.049 0.3",
        type="capsule",
    )
    pole.add_children([
        hinge,
        cpole,
    ])

    model_xml = mujoco.xml()

    # Output
    with open('inverted_pendulum_gen.xml', 'w') as fh:
        fh.write(model_xml)
Example #7
0
def main():

    mujoco = e.Mujoco(model="cartpole", )
    compiler = e.Compiler(
        coordinate="local",
        inertiafromgeom="true",
    )
    custom = e.Custom()
    default = e.Default()
    option = e.Option(
        gravity="1e-5 0 -9.81",
        integrator="RK4",
        timestep="0.01",
    )
    size = e.Size(nstack="3000", )
    worldbody = e.Worldbody()
    actuator = e.Actuator()
    mujoco.add_children([
        compiler,
        custom,
        default,
        option,
        size,
        worldbody,
        actuator,
    ])
    frame_skip = e.Numeric(
        data="2",
        name="frame_skip",
    )
    custom.add_children([
        frame_skip,
    ])
    joint = e.Joint(damping="0.05", )
    geom = e.Geom(
        contype="0",
        friction="1 0.1 0.1",
        rgba="0.7 0.7 0 1",
    )
    default.add_children([
        joint,
        geom,
    ])
    floor = e.Geom(
        name="floor",
        pos="0 0 -3.0",
        rgba="0.8 0.9 0.8 1",
        size="40 40 40",
        type="plane",
    )
    rail = e.Geom(
        name="rail",
        pos="0 0 0",
        quat="0.707 0 0.707 0",
        rgba="0.3 0.3 0.7 1",
        size="0.02 1",
        type="capsule",
    )
    cart = e.Body(
        name="cart",
        pos="0 0 0",
    )
    worldbody.add_children([
        floor,
        rail,
        cart,
    ])
    slide = e.Motor(
        ctrllimited="true",
        ctrlrange="-1 1",
        gear="500",
        joint="slider",
        name="slide",
    )
    actuator.add_children([
        slide,
    ])
    slider = e.Joint(
        axis="1 0 0",
        limited="true",
        margin="0.01",
        name="slider",
        pos="0 0 0",
        range="-1 1",
        type="slide",
    )
    cart_1 = e.Geom(
        name="cart",
        pos="0 0 0",
        quat="0.707 0 0.707 0",
        size="0.1 0.1",
        type="capsule",
    )
    pole = e.Body(
        name="pole",
        pos="0 0 0",
    )
    cart.add_children([
        slider,
        cart_1,
        pole,
    ])
    hinge = e.Joint(
        axis="0 1 0",
        name="hinge",
        pos="0 0 0",
        type="hinge",
    )
    cpole = e.Geom(
        fromto="0 0 0 0 0 0.6",
        name="cpole",
        rgba="0 0.7 0.7 1",
        size="0.045 0.3",
        type="capsule",
    )
    pole2 = e.Body(
        name="pole2",
        pos="0 0 0.6",
    )
    pole.add_children([
        hinge,
        cpole,
        pole2,
    ])
    hinge2 = e.Joint(
        axis="0 1 0",
        name="hinge2",
        pos="0 0 0",
        type="hinge",
    )
    cpole2 = e.Geom(
        fromto="0 0 0 0 0 0.6",
        name="cpole2",
        rgba="0 0.7 0.7 1",
        size="0.045 0.3",
        type="capsule",
    )
    tip = e.Site(
        name="tip",
        pos="0 0 .6",
        size="0.01 0.01",
    )
    pole2.add_children([
        hinge2,
        cpole2,
        tip,
    ])

    model_xml = mujoco.xml()

    # Output
    with open('inverted_double_pendulum_gen.xml', 'w') as fh:
        fh.write(model_xml)
Example #8
0
def main():

    mujoco = e.Mujoco(model="arm", )
    compiler = e.Compiler(
        angle="degree",
        coordinate="local",
        inertiafromgeom="true",
    )
    default = e.Default()
    option = e.Option(
        integrator="RK4",
        timestep="0.002",
    )
    visual = e.Visual()
    worldbody = e.Worldbody()
    tendon = e.Tendon()
    sensor = e.Sensor()
    actuator = e.Actuator()
    asset = e.Asset()
    mujoco.add_children([
        compiler,
        default,
        option,
        visual,
        worldbody,
        tendon,
        sensor,
        actuator,
        asset,
    ])

    # Standard assets
    utils.populated_ma_asset(asset)

    # Standard floor and lighting
    utils.populate_ma_worldbody(worldbody)

    geom = e.Geom(
        conaffinity="1",
        condim="1",
        contype="1",
        margin="0.001",
        material="geom",
        rgba="0.8 0.6 .4 1",
        solimp=".8 .8 .01",
        solref=".02 1",
    )
    motor = e.Motor(
        ctrllimited="true",
        ctrlrange="-.4 .4",
    )
    default.add_children([
        geom,
        motor,
    ])
    map = e.visual.Map(znear="0.02", )
    visual.add_children([
        map,
    ])
    # light = e.Light(
    #     cutoff="100",
    #     diffuse="1 1 1",
    #     dir="-0 0 -1.3",
    #     directional="true",
    #     exponent="1",
    #     pos="0 0 1.3",
    #     specular=".1 .1 .1",
    # )
    # floor = e.Geom(
    #     conaffinity="1",
    #     condim="3",
    #     material="MatPlane",
    #     name="floor",
    #     pos="0 0 0",
    #     rgba="0.8 0.9 0.8 1",
    #     size="20 20 .125",
    #     type="plane",
    # )
    block_body = e.Body(
        name="block_body",
        pos="0.0 0.0 3.0",
    )
    worldbody.add_children([
        # light,
        # floor,
        block_body,
    ])
    string = e.Spatial(
        name="string",
        width="0.02",
        rgba=".95 .3 .3 1",
        limited="false",
        range="0.5 2",
        stiffness="3700.0",
        damping="100.0",
    )
    tendon.add_children([
        string,
    ])
    ball_sensor = e.sensor.Force(
        name="ball_sensor",
        site="ball_site",
    )
    sensor.add_children([
        ball_sensor,
    ])
    string_actuator = e.General(
        name="string_actuator",
        tendon="string",
        ctrllimited="true",
        gainprm="2000",
        ctrlrange="-2 0",
    )
    actuator.add_children([
        string_actuator,
    ])
    # texture = e.Texture(
    #     builtin="gradient",
    #     height="100",
    #     rgb1=".4 .5 .6",
    #     rgb2="0 0 0",
    #     type="skybox",
    #     width="100",
    # )
    # texgeom = e.Texture(
    #     builtin="flat",
    #     height="1278",
    #     mark="cross",
    #     markrgb="1 1 1",
    #     name="texgeom",
    #     random="0.01",
    #     rgb1="0.8 0.6 0.4",
    #     rgb2="0.8 0.6 0.4",
    #     type="cube",
    #     width="127",
    # )
    # texplane = e.Texture(
    #     builtin="checker",
    #     height="100",
    #     name="texplane",
    #     rgb1="0 0 0",
    #     rgb2="0.8 0.8 0.8",
    #     type="2d",
    #     width="100",
    # )
    # MatPlane = e.Material(
    #     name="MatPlane",
    #     reflectance="0.5",
    #     shininess="1",
    #     specular="1",
    #     texrepeat="60 60",
    #     texture="texplane",
    # )
    # geom_1 = e.Material(
    #     name="geom",
    #     texture="texgeom",
    #     texuniform="true",
    # )
    # asset.add_children([
    #     texture,
    #     texgeom,
    #     texplane,
    #     MatPlane,
    #     geom_1,
    # ])
    block_geom = e.Geom(
        name="block_geom",
        size="0.2 0.2 0.2",
        type="box",
    )
    box_site = e.Site(
        name="box_site",
        pos="0.0 0.0 -0.2",
        size="0.05",
    )
    ball = e.Body(
        name="ball",
        pos="0.0 0.0 -1.0",
    )
    block_body.add_children([
        block_geom,
        box_site,
        ball,
    ])
    site = e.spatial.Site(site="box_site", )
    site_1 = e.spatial.Site(site="ball_site", )
    string.add_children([
        site,
        site_1,
    ])
    ball_joint = e.Joint(
        name="ball_joint",
        pos="0.0 0.0 -0.2",
        type="ball",
        damping="2.0",
    )
    joint = e.Joint(
        type="slide",
        axis="0 0 1",
        damping="2.0",
    )
    joint_1 = e.Joint(
        type="slide",
        axis="0 1 0",
        damping="2.0",
    )
    joint_2 = e.Joint(
        type="slide",
        axis="1 0 0",
        damping="2.0",
    )
    geom_2 = e.Geom(
        pos="0.0 0.0 0.0",
        size="0.2",
        type="sphere",
    )
    ball_site = e.Site(
        name="ball_site",
        pos="0.0 0.0 0.2",
        size="0.05",
    )
    ball.add_children([
        ball_joint,
        joint,
        joint_1,
        joint_2,
        geom_2,
        ball_site,
    ])

    model_xml = mujoco.xml()

    # Output
    out_path = os.path.join("..", "muscledagents", "envs", "mujoco", "assets",
                            "ballonstring.xml")
    with open(out_path, 'w') as fh:
        fh.write(model_xml)
Example #9
0
def main():

    mujoco = e.Mujoco(model="arm3d", )
    compiler = e.Compiler(
        inertiafromgeom="true",
        angle="radian",
        coordinate="local",
    )
    option = e.Option(
        timestep="0.01",
        gravity="0 0 0",
        iterations="20",
        integrator="Euler",
    )
    default = e.Default()
    worldbody = e.Worldbody()
    actuator = e.Actuator()
    mujoco.add_children([
        compiler,
        option,
        default,
        worldbody,
        actuator,
    ])
    joint = e.Joint(
        armature="0.04",
        damping="1",
        limited="true",
    )
    geom = e.Geom(
        friction=".0 .0 .0",
        density="300",
        margin="0.002",
        condim="1",
        contype="0",
        conaffinity="0",
    )
    default.add_children([
        joint,
        geom,
    ])
    light = e.Light(
        diffuse=".5 .5 .5",
        pos="0 0 3",
        dir="0 0 -1",
    )
    table = e.Geom(
        name="table",
        type="plane",
        pos="0 0.5 -0.325",
        size="1 1 0.1",
        contype="1",
        conaffinity="1",
    )
    r_shoulder_pan_link = e.Body(
        name="r_shoulder_pan_link",
        pos="0 -0.6 0",
    )
    object = e.Body(
        name="object",
        pos="0 0 -0.270",
    )
    goal = e.Body(
        name="goal",
        pos="0.0 0.0 -0.3230",
    )
    worldbody.add_children([
        light,
        table,
        r_shoulder_pan_link,
        object,
        goal,
    ])
    motor = e.Motor(
        joint="r_shoulder_pan_joint",
        ctrlrange="-3.0 3.0",
        ctrllimited="true",
    )
    motor_1 = e.Motor(
        joint="r_shoulder_lift_joint",
        ctrlrange="-3.0 3.0",
        ctrllimited="true",
    )
    motor_2 = e.Motor(
        joint="r_upper_arm_roll_joint",
        ctrlrange="-3.0 3.0",
        ctrllimited="true",
    )
    motor_3 = e.Motor(
        joint="r_elbow_flex_joint",
        ctrlrange="-3.0 3.0",
        ctrllimited="true",
    )
    motor_4 = e.Motor(
        joint="r_forearm_roll_joint",
        ctrlrange="-3.0 3.0",
        ctrllimited="true",
    )
    motor_5 = e.Motor(
        joint="r_wrist_flex_joint",
        ctrlrange="-3.0 3.0",
        ctrllimited="true",
    )
    motor_6 = e.Motor(
        joint="r_wrist_roll_joint",
        ctrlrange="-3.0 3.0",
        ctrllimited="true",
    )
    actuator.add_children([
        motor,
        motor_1,
        motor_2,
        motor_3,
        motor_4,
        motor_5,
        motor_6,
    ])
    e1 = e.Geom(
        name="e1",
        type="sphere",
        rgba="0.6 0.6 0.6 1",
        pos="-0.06 0.05 0.2",
        size="0.05",
    )
    e2 = e.Geom(
        name="e2",
        type="sphere",
        rgba="0.6 0.6 0.6 1",
        pos=" 0.06 0.05 0.2",
        size="0.05",
    )
    e1p = e.Geom(
        name="e1p",
        type="sphere",
        rgba="0.1 0.1 0.1 1",
        pos="-0.06 0.09 0.2",
        size="0.03",
    )
    e2p = e.Geom(
        name="e2p",
        type="sphere",
        rgba="0.1 0.1 0.1 1",
        pos=" 0.06 0.09 0.2",
        size="0.03",
    )
    sp = e.Geom(
        name="sp",
        type="capsule",
        fromto="0 0 -0.4 0 0 0.2",
        size="0.1",
    )
    r_shoulder_pan_joint = e.Joint(
        name="r_shoulder_pan_joint",
        type="hinge",
        pos="0 0 0",
        axis="0 0 1",
        range="-2.2854 1.714602",
        damping="1.0",
    )
    r_shoulder_lift_link = e.Body(
        name="r_shoulder_lift_link",
        pos="0.1 0 0",
    )
    r_shoulder_pan_link.add_children([
        e1,
        e2,
        e1p,
        e2p,
        sp,
        r_shoulder_pan_joint,
        r_shoulder_lift_link,
    ])
    geom_1 = e.Geom(
        type="sphere",
        rgba="1 1 1 1",
        pos="0 0 0",
        size="0.05 0.05 0.05",
        contype="1",
        conaffinity="0",
    )
    obj_slidey = e.Joint(
        name="obj_slidey",
        armature="0.1",
        type="slide",
        pos="0 0 0",
        axis="0 1 0",
        range="-10.3213 10.3",
        damping="0.5",
    )
    obj_slidex = e.Joint(
        name="obj_slidex",
        armature="0.1",
        type="slide",
        pos="0 0 0",
        axis="1 0 0",
        range="-10.3213 10.3",
        damping="0.5",
    )
    object.add_children([
        geom_1,
        obj_slidey,
        obj_slidex,
    ])
    geom_2 = e.Geom(
        rgba="1. 1. 1. 0",
        pos="0 0 0",
        type="box",
        size="0.01 0.01 0.01",
        contype="0",
        conaffinity="0",
    )
    body = e.Body(pos="0 0 0", )
    coaster = e.Body(
        name="coaster",
        pos="0 0 0",
    )
    body_1 = e.Body(
        pos="0 0 0",
        axisangle="0 0 1 0.785",
    )
    body_2 = e.Body(
        pos="0 0 0",
        axisangle="0 0 1 -0.785",
    )
    goal_free = e.Joint(
        name="goal_free",
        type="free",
        pos="0 0 0",
        limited="false",
        damping="0",
    )
    goal.add_children([
        geom_2,
        body,
        coaster,
        body_1,
        body_2,
        goal_free,
    ])
    sl = e.Geom(
        name="sl",
        type="capsule",
        fromto="0 -0.1 0 0 0.1 0",
        size="0.1",
    )
    r_shoulder_lift_joint = e.Joint(
        name="r_shoulder_lift_joint",
        type="hinge",
        pos="0 0 0",
        axis="0 1 0",
        range="-0.5236 1.3963",
        damping="1.0",
    )
    r_upper_arm_roll_link = e.Body(
        name="r_upper_arm_roll_link",
        pos="0 0 0",
    )
    r_shoulder_lift_link.add_children([
        sl,
        r_shoulder_lift_joint,
        r_upper_arm_roll_link,
    ])
    geom_3 = e.Geom(
        rgba="1. 1. 1. 1",
        pos="0 0.075 0.04",
        type="box",
        size="0.032 0.001 0.04",
        contype="0",
        conaffinity="1",
    )
    body.add_children([
        geom_3,
    ])
    geom_4 = e.Geom(
        rgba="1. 1. 1. 1",
        type="cylinder",
        size="0.08 0.001 0.1",
        density="1000000",
        contype="0",
        conaffinity="0",
    )
    coaster.add_children([
        geom_4,
    ])
    geom_5 = e.Geom(
        rgba="1. 1. 1. 1",
        pos="0 0.075 0.04",
        type="box",
        size="0.032 0.001 0.04",
        contype="0",
        conaffinity="1",
    )
    body_1.add_children([
        geom_5,
    ])
    geom_6 = e.Geom(
        rgba="1. 1. 1. 1",
        pos="0 0.075 0.04",
        type="box",
        size="0.032 0.001 0.04",
        contype="0",
        conaffinity="1",
    )
    body_2.add_children([
        geom_6,
    ])
    uar = e.Geom(
        name="uar",
        type="capsule",
        fromto="-0.1 0 0 0.1 0 0",
        size="0.02",
    )
    r_upper_arm_roll_joint = e.Joint(
        name="r_upper_arm_roll_joint",
        type="hinge",
        pos="0 0 0",
        axis="1 0 0",
        range="-1.5 1.7",
        damping="0.1",
    )
    r_upper_arm_link = e.Body(
        name="r_upper_arm_link",
        pos="0 0 0",
    )
    r_upper_arm_roll_link.add_children([
        uar,
        r_upper_arm_roll_joint,
        r_upper_arm_link,
    ])
    ua = e.Geom(
        name="ua",
        type="capsule",
        fromto="0 0 0 0.4 0 0",
        size="0.06",
    )
    r_elbow_flex_link = e.Body(
        name="r_elbow_flex_link",
        pos="0.4 0 0",
    )
    r_upper_arm_link.add_children([
        ua,
        r_elbow_flex_link,
    ])
    ef = e.Geom(
        name="ef",
        type="capsule",
        fromto="0 -0.02 0 0.0 0.02 0",
        size="0.06",
    )
    r_elbow_flex_joint = e.Joint(
        name="r_elbow_flex_joint",
        type="hinge",
        pos="0 0 0",
        axis="0 1 0",
        range="-2.3213 0",
        damping="0.1",
    )
    r_forearm_roll_link = e.Body(
        name="r_forearm_roll_link",
        pos="0 0 0",
    )
    r_elbow_flex_link.add_children([
        ef,
        r_elbow_flex_joint,
        r_forearm_roll_link,
    ])
    fr = e.Geom(
        name="fr",
        type="capsule",
        fromto="-0.1 0 0 0.1 0 0",
        size="0.02",
    )
    r_forearm_roll_joint = e.Joint(
        name="r_forearm_roll_joint",
        type="hinge",
        limited="true",
        pos="0 0 0",
        axis="1 0 0",
        damping=".1",
        range="-1.5 1.5",
    )
    r_forearm_link = e.Body(
        name="r_forearm_link",
        pos="0 0 0",
    )
    r_forearm_roll_link.add_children([
        fr,
        r_forearm_roll_joint,
        r_forearm_link,
    ])
    fa = e.Geom(
        name="fa",
        type="capsule",
        fromto="0 0 0 0.291 0 0",
        size="0.05",
    )
    r_wrist_flex_link = e.Body(
        name="r_wrist_flex_link",
        pos="0.321 0 0",
    )
    r_forearm_link.add_children([
        fa,
        r_wrist_flex_link,
    ])
    wf = e.Geom(
        name="wf",
        type="capsule",
        fromto="0 -0.02 0 0 0.02 0",
        size="0.01",
    )
    r_wrist_flex_joint = e.Joint(
        name="r_wrist_flex_joint",
        type="hinge",
        pos="0 0 0",
        axis="0 1 0",
        range="-1.094 0",
        damping=".1",
    )
    r_wrist_roll_link = e.Body(
        name="r_wrist_roll_link",
        pos="0 0 0",
    )
    r_wrist_flex_link.add_children([
        wf,
        r_wrist_flex_joint,
        r_wrist_roll_link,
    ])
    r_wrist_roll_joint = e.Joint(
        name="r_wrist_roll_joint",
        type="hinge",
        pos="0 0 0",
        limited="true",
        axis="1 0 0",
        damping="0.1",
        range="-1.5 1.5",
    )
    tips_arm = e.Body(
        name="tips_arm",
        pos="0 0 0",
    )
    geom_7 = e.Geom(
        conaffinity="1",
        contype="1",
        fromto="0 -0.1 0. 0.0 +0.1 0",
        size="0.02",
        type="capsule",
    )
    r_wrist_roll_link.add_children([
        r_wrist_roll_joint,
        tips_arm,
        geom_7,
    ])
    tip_arml = e.Geom(
        conaffinity="1",
        contype="1",
        name="tip_arml",
        pos="0.017 0 0",
        size="0.003 0.12 0.05",
        type="box",
    )
    tips_arm.add_children([
        tip_arml,
    ])

    model_xml = mujoco.xml()

    # Output
    with open('striker_gen.xml', 'w') as fh:
        fh.write(model_xml)
Example #10
0
def main():
    #########################
    # Level 1
    mujoco = e.Mujoco(model="ant-army")

    #########################
    # Level 2
    compiler = e.Compiler(angle="degree",
                          coordinate="local",
                          inertiafromgeom=True)
    option = e.Option(integrator="RK4", timestep=0.01)
    size = e.Size(
        njmax=1000,
        nconmax=500,
    )
    custom = e.Custom()
    default = e.Default()
    asset = e.Asset()
    worldbody = e.Worldbody()
    tendon = e.Tendon()
    actuator = e.Actuator()

    mujoco.add_children([
        compiler, option, size, custom, default, asset, worldbody, tendon,
        actuator
    ])

    ######################
    # Level 3

    # Custom
    numeric = e.Numeric(
        name="init_qpos",
        data="0.0 0.0 0.55 1.0 0.0 0.0 0.0 0.0 1.0 0.0 -1.0 0.0 -1.0 0.0 1.0",
    )
    custom.add_child(numeric)

    # Default
    d_joint = e.Joint(armature=1, damping=1, limited=True)
    d_geom = e.Geom(conaffinity=0,
                    condim=3,
                    density=5.0,
                    friction=[1, 0.5, 0.5],
                    margin=0.01,
                    rgba=[0.8, 0.6, 0.4, 1])
    default.add_children([d_joint, d_geom])

    # Asset
    tex1 = e.Texture(builtin="gradient",
                     height=100,
                     rgb1=[1, 1, 1],
                     rgb2=[0, 0, 0],
                     type="skybox",
                     width=100)
    tex2 = e.Texture(builtin="flat",
                     height=1278,
                     mark="cross",
                     markrgb=[1, 1, 1],
                     name="texgeom",
                     random=0.01,
                     rgb1=[0.8, 0.6, 0.4],
                     rgb2=[0.8, 0.6, 0.4],
                     type="cube",
                     width=127)
    tex3 = e.Texture(builtin="checker",
                     height=[100],
                     name="texplane",
                     rgb1=[0, 0, 0],
                     rgb2=[0.8, 0.8, 0.8],
                     type="2d",
                     width=100)
    mat1 = e.Material(name="MatPlane",
                      reflectance=0.5,
                      shininess=1,
                      specular=1,
                      texrepeat=[60, 60],
                      texture="texplane")
    mat2 = e.Material(name="geom", texture="texgeom", texuniform=True)
    asset.add_children([
        tex1,
        tex2,
        tex3,
        mat1,
        mat2,
    ])

    # Worldbody
    light = e.Light(cutoff=100,
                    diffuse=[1, 1, 1],
                    dir=[-0, 0, -1.3],
                    directional=True,
                    exponent=1,
                    pos=[0, 0, 1.3],
                    specular=[.1, .1, .1])
    floor_geom = e.Geom(conaffinity=1,
                        condim=3,
                        material="MatPlane",
                        name="floor",
                        pos=[0, 0, 0],
                        rgba=[0.8, 0.9, 0.8, 1],
                        size=[40, 40, 40],
                        type="plane")

    worldbody.add_children([light, floor_geom])

    ant_bodies = []
    ant_tendons = []
    ant_actuators = []
    square_side = 3
    for i in range(square_side):
        for j in range(square_side):
            name = "ant_{}_{}".format(i, j)
            y_offset = 2.5 * i
            x_offset = 2.5 * j
            body, tendons, actuators = get_ant(
                name=name, location=[x_offset, y_offset, 0.75])
            ant_bodies.append(body)
            ant_tendons.extend(tendons)
            ant_actuators.extend(actuators)

    worldbody.add_children(ant_bodies)

    # Tendon
    tendon.add_children(ant_tendons)

    # Actuator
    actuator.add_children(ant_actuators)

    model_xml = mujoco.xml()

    # Output
    out_path = os.path.join("..", "muscledagents", "envs", "mujoco", "assets",
                            "muscled-ants.xml")
    with open(out_path, 'w') as fh:
        fh.write(model_xml)
Example #11
0
def main():
    mujoco = e.Mujoco(
        model="ant"
    )

    compiler = e.Compiler(
        angle="degree",
        coordinate="local",
        inertiafromgeom=True
    )
    option = e.Option(
        integrator="RK4",
        timestep=0.01
    )
    size = e.Size(
        njmax=1000,
        nconmax=500,
    )
    custom = e.Custom()
    default = e.Default()
    asset = e.Asset()
    worldbody = e.Worldbody()
    tendon = e.Tendon()
    actuator = e.Actuator()

    mujoco.add_children([
        compiler,
        option,
        size,
        custom,
        default,
        asset,
        worldbody,
        tendon,
        actuator
    ])

    # Custom
    numeric = e.Numeric(
        name="init_qpos",
        data="0.0 0.0 0.55 1.0 0.0 0.0 0.0 0.0 1.0 0.0 -1.0 0.0 -1.0 0.0 1.0",
    )
    custom.add_child(numeric)

    # Default
    d_joint = e.Joint(
        armature=1,
        damping=1,
        limited=True
    )
    d_geom = e.Geom(
        conaffinity=0,
        condim=3,
        density=5.0,
        friction=[1, 0.5, 0.5],
        margin=0.01,
        rgba=[0.8, 0.6, 0.4, 1]
    )
    default.add_children([d_joint, d_geom])

    # Standard assets
    utils.populated_ma_asset(asset)

    # Standard floor and lighting
    utils.populate_ma_worldbody(worldbody)

    # Add axes. Useful for debugging
    # utils.add_axes(worldbody)

    ant_bodies = []
    ant_tendons = []
    ant_actuators = []
    body, tendons, actuators = get_ant(name="")
    ant_bodies.append(body)
    ant_tendons.extend(tendons)
    ant_actuators.extend(actuators)

    worldbody.add_children(ant_bodies)

    # Tendon
    tendon.add_children(ant_tendons)

    # Actuator
    actuator.add_children(ant_actuators)

    model_xml = mujoco.xml()
    filename = "muscled-ant.xml"
    utils.save_model(model_xml, filename)
Example #12
0
def main():

    mujoco = e.Mujoco()
    compiler = e.Compiler(
        angle="degree",
        coordinate="local",
        inertiafromgeom="true",
    )
    option = e.Option(
        integrator="RK4",
        timestep="0.02",
    )
    default = e.Default()
    asset = e.Asset()
    worldbody = e.Worldbody()
    actuator = e.Actuator()
    mujoco.add_children([
        compiler,
        option,
        default,
        asset,
        worldbody,
        actuator,
    ])
    joint = e.Joint(
        armature="0",
        damping="0",
        limited="false",
    )
    geom = e.Geom(
        conaffinity="0",
        condim="3",
        density="100",
        friction="1 0.5 0.5",
        margin="0",
        rgba="0.8 0.6 0.4 1",
    )
    default.add_children([
        joint,
        geom,
    ])
    texture = e.Texture(
        builtin="gradient",
        height="100",
        rgb1="1 1 1",
        rgb2="0 0 0",
        type="skybox",
        width="100",
    )
    texgeom = e.Texture(
        builtin="flat",
        height="1278",
        mark="cross",
        markrgb="1 1 1",
        name="texgeom",
        random="0.01",
        rgb1="0.8 0.6 0.4",
        rgb2="0.8 0.6 0.4",
        type="cube",
        width="127",
    )
    texplane = e.Texture(
        builtin="checker",
        height="100",
        name="texplane",
        rgb1="0 0 0",
        rgb2="0.8 0.8 0.8",
        type="2d",
        width="100",
    )
    MatPlane = e.Material(
        name="MatPlane",
        reflectance="0.5",
        shininess="1",
        specular="1",
        texrepeat="30 30",
        texture="texplane",
    )
    geom_1 = e.Material(
        name="geom",
        texture="texgeom",
        texuniform="true",
    )
    asset.add_children([
        texture,
        texgeom,
        texplane,
        MatPlane,
        geom_1,
    ])
    light = e.Light(
        cutoff="100",
        diffuse="1 1 1",
        dir="-0 0 -1.3",
        directional="true",
        exponent="1",
        pos="0 0 1.3",
        specular=".1 .1 .1",
    )
    floor = e.Geom(
        conaffinity="1",
        condim="3",
        material="MatPlane",
        name="floor",
        pos="0 0 0",
        rgba="0.8 0.9 0.8 1",
        size="40 40 40",
        type="plane",
    )
    torso = e.Body(
        name="torso",
        pos="0 0 0",
    )
    worldbody.add_children([
        light,
        floor,
        torso,
    ])
    motor = e.Motor(
        ctrllimited="true",
        ctrlrange="-1 1",
        joint="ballx",
    )
    motor_1 = e.Motor(
        ctrllimited="true",
        ctrlrange="-0.25 0.25",
        joint="rot",
    )
    actuator.add_children([
        motor,
        motor_1,
    ])
    pointbody = e.Geom(
        name="pointbody",
        pos="0 0 0.5",
        size="0.5",
        type="sphere",
    )
    pointarrow = e.Geom(
        name="pointarrow",
        pos="0.6 0 0.5",
        size="0.5 0.1 0.1",
        type="box",
    )
    ballx = e.Joint(
        axis="1 0 0",
        name="ballx",
        pos="0 0 0",
        type="slide",
    )
    bally = e.Joint(
        axis="0 1 0",
        name="bally",
        pos="0 0 0",
        type="slide",
    )
    rot = e.Joint(
        axis="0 0 1",
        limited="false",
        name="rot",
        pos="0 0 0",
        type="hinge",
    )
    torso.add_children([
        pointbody,
        pointarrow,
        ballx,
        bally,
        rot,
    ])

    model_xml = mujoco.xml()

    # Output
    with open('point_gen.xml', 'w') as fh:
        fh.write(model_xml)
Example #13
0
def main():

    mujoco = e.Mujoco(model="hopper", )
    compiler = e.Compiler(
        angle="degree",
        coordinate="global",
        inertiafromgeom="true",
    )
    default = e.Default()
    option = e.Option(
        integrator="RK4",
        timestep="0.002",
    )
    visual = e.Visual()
    worldbody = e.Worldbody()
    actuator = e.Actuator()
    asset = e.Asset()
    mujoco.add_children([
        compiler,
        default,
        option,
        visual,
        worldbody,
        actuator,
        asset,
    ])
    joint = e.Joint(
        armature="1",
        damping="1",
        limited="true",
    )
    geom = e.Geom(
        conaffinity="1",
        condim="1",
        contype="1",
        margin="0.001",
        material="geom",
        rgba="0.8 0.6 .4 1",
        solimp=".8 .8 .01",
        solref=".02 1",
    )
    motor = e.Motor(
        ctrllimited="true",
        ctrlrange="-.4 .4",
    )
    default.add_children([
        joint,
        geom,
        motor,
    ])
    map = e.Map(znear="0.02", )
    visual.add_children([
        map,
    ])
    light = e.Light(
        cutoff="100",
        diffuse="1 1 1",
        dir="-0 0 -1.3",
        directional="true",
        exponent="1",
        pos="0 0 1.3",
        specular=".1 .1 .1",
    )
    floor = e.Geom(
        conaffinity="1",
        condim="3",
        name="floor",
        pos="0 0 0",
        rgba="0.8 0.9 0.8 1",
        size="20 20 .125",
        type="plane",
        material="MatPlane",
    )
    torso = e.Body(
        name="torso",
        pos="0 0 1.25",
    )
    worldbody.add_children([
        light,
        floor,
        torso,
    ])
    motor_1 = e.Motor(
        ctrllimited="true",
        ctrlrange="-1.0 1.0",
        gear="200.0",
        joint="thigh_joint",
    )
    motor_2 = e.Motor(
        ctrllimited="true",
        ctrlrange="-1.0 1.0",
        gear="200.0",
        joint="leg_joint",
    )
    motor_3 = e.Motor(
        ctrllimited="true",
        ctrlrange="-1.0 1.0",
        gear="200.0",
        joint="foot_joint",
    )
    actuator.add_children([
        motor_1,
        motor_2,
        motor_3,
    ])
    texture = e.Texture(
        type="skybox",
        builtin="gradient",
        rgb1=".4 .5 .6",
        rgb2="0 0 0",
        width="100",
        height="100",
    )
    texgeom = e.Texture(
        builtin="flat",
        height="1278",
        mark="cross",
        markrgb="1 1 1",
        name="texgeom",
        random="0.01",
        rgb1="0.8 0.6 0.4",
        rgb2="0.8 0.6 0.4",
        type="cube",
        width="127",
    )
    texplane = e.Texture(
        builtin="checker",
        height="100",
        name="texplane",
        rgb1="0 0 0",
        rgb2="0.8 0.8 0.8",
        type="2d",
        width="100",
    )
    MatPlane = e.Material(
        name="MatPlane",
        reflectance="0.5",
        shininess="1",
        specular="1",
        texrepeat="60 60",
        texture="texplane",
    )
    geom_1 = e.Material(
        name="geom",
        texture="texgeom",
        texuniform="true",
    )
    asset.add_children([
        texture,
        texgeom,
        texplane,
        MatPlane,
        geom_1,
    ])
    track = e.Camera(
        name="track",
        mode="trackcom",
        pos="0 -3 1",
        xyaxes="1 0 0 0 0 1",
    )
    rootx = e.Joint(
        armature="0",
        axis="1 0 0",
        damping="0",
        limited="false",
        name="rootx",
        pos="0 0 0",
        stiffness="0",
        type="slide",
    )
    rootz = e.Joint(
        armature="0",
        axis="0 0 1",
        damping="0",
        limited="false",
        name="rootz",
        pos="0 0 0",
        ref="1.25",
        stiffness="0",
        type="slide",
    )
    rooty = e.Joint(
        armature="0",
        axis="0 1 0",
        damping="0",
        limited="false",
        name="rooty",
        pos="0 0 1.25",
        stiffness="0",
        type="hinge",
    )
    torso_geom = e.Geom(
        friction="0.9",
        fromto="0 0 1.45 0 0 1.05",
        name="torso_geom",
        size="0.05",
        type="capsule",
    )
    thigh = e.Body(
        name="thigh",
        pos="0 0 1.05",
    )
    torso.add_children([
        track,
        rootx,
        rootz,
        rooty,
        torso_geom,
        thigh,
    ])
    thigh_joint = e.Joint(
        axis="0 -1 0",
        name="thigh_joint",
        pos="0 0 1.05",
        range="-150 0",
        type="hinge",
    )
    thigh_geom = e.Geom(
        friction="0.9",
        fromto="0 0 1.05 0 0 0.6",
        name="thigh_geom",
        size="0.05",
        type="capsule",
    )
    leg = e.Body(
        name="leg",
        pos="0 0 0.35",
    )
    thigh.add_children([
        thigh_joint,
        thigh_geom,
        leg,
    ])
    leg_joint = e.Joint(
        axis="0 -1 0",
        name="leg_joint",
        pos="0 0 0.6",
        range="-150 0",
        type="hinge",
    )
    leg_geom = e.Geom(
        friction="0.9",
        fromto="0 0 0.6 0 0 0.1",
        name="leg_geom",
        size="0.04",
        type="capsule",
    )
    foot = e.Body(
        name="foot",
        pos="0.13/2 0 0.1",
    )
    leg.add_children([
        leg_joint,
        leg_geom,
        foot,
    ])
    foot_joint = e.Joint(
        axis="0 -1 0",
        name="foot_joint",
        pos="0 0 0.1",
        range="-45 45",
        type="hinge",
    )
    foot_geom = e.Geom(
        friction="2.0",
        fromto="-0.13 0 0.1 0.26 0 0.1",
        name="foot_geom",
        size="0.06",
        type="capsule",
    )
    foot.add_children([
        foot_joint,
        foot_geom,
    ])

    model_xml = mujoco.xml()

    # Output
    with open('hopper_gen.xml', 'w') as fh:
        fh.write(model_xml)
Example #14
0
def main():

    mujoco = e.Mujoco(model="arm3d", )
    compiler = e.Compiler(
        inertiafromgeom="true",
        angle="radian",
        coordinate="local",
    )
    option = e.Option(
        timestep="0.01",
        gravity="0 0 -9.81",
        iterations="20",
        integrator="Euler",
    )
    default = e.Default()
    worldbody = e.Worldbody()
    actuator = e.Actuator()
    mujoco.add_children([
        compiler,
        option,
        default,
        worldbody,
        actuator,
    ])
    joint = e.Joint(
        armature="0.75",
        damping="1",
        limited="true",
    )
    geom = e.Geom(
        friction=".8 .1 .1",
        density="300",
        margin="0.002",
        condim="1",
        contype="0",
        conaffinity="0",
    )
    default.add_children([
        joint,
        geom,
    ])
    light = e.Light(
        diffuse=".5 .5 .5",
        pos="0 0 3",
        dir="0 0 -1",
    )
    geom_1 = e.Geom(
        type="plane",
        pos="0 0.5 -0.325",
        size="1 1 0.1",
        contype="1",
        conaffinity="1",
    )
    r_shoulder_pan_link = e.Body(
        name="r_shoulder_pan_link",
        pos="0 -0.6 0",
    )
    goal = e.Body(
        name="goal",
        pos="0.575 0.5 -0.328",
    )
    ball = e.Body(
        name="ball",
        pos="0.5 -0.8 0.275",
    )
    worldbody.add_children([
        light,
        geom_1,
        r_shoulder_pan_link,
        goal,
        ball,
    ])
    motor = e.Motor(
        joint="r_shoulder_pan_joint",
        ctrlrange="-10.0 10.0",
        ctrllimited="true",
    )
    motor_1 = e.Motor(
        joint="r_shoulder_lift_joint",
        ctrlrange="-10.0 10.0",
        ctrllimited="true",
    )
    motor_2 = e.Motor(
        joint="r_upper_arm_roll_joint",
        ctrlrange="-10.0 10.0",
        ctrllimited="true",
    )
    motor_3 = e.Motor(
        joint="r_elbow_flex_joint",
        ctrlrange="-10.0 10.0",
        ctrllimited="true",
    )
    motor_4 = e.Motor(
        joint="r_forearm_roll_joint",
        ctrlrange="-15.0 15.0",
        ctrllimited="true",
    )
    motor_5 = e.Motor(
        joint="r_wrist_flex_joint",
        ctrlrange="-15.0 15.0",
        ctrllimited="true",
    )
    motor_6 = e.Motor(
        joint="r_wrist_roll_joint",
        ctrlrange="-15.0 15.0",
        ctrllimited="true",
    )
    actuator.add_children([
        motor,
        motor_1,
        motor_2,
        motor_3,
        motor_4,
        motor_5,
        motor_6,
    ])
    e1 = e.Geom(
        name="e1",
        type="sphere",
        rgba="0.6 0.6 0.6 1",
        pos="-0.06 0.05 0.2",
        size="0.05",
        density="0.0001",
    )
    e2 = e.Geom(
        name="e2",
        type="sphere",
        rgba="0.6 0.6 0.6 1",
        pos=" 0.06 0.05 0.2",
        size="0.05",
        density="0.0001",
    )
    e1p = e.Geom(
        name="e1p",
        type="sphere",
        rgba="0.1 0.1 0.1 1",
        pos="-0.06 0.09 0.2",
        size="0.03",
        density="0.0001",
    )
    e2p = e.Geom(
        name="e2p",
        type="sphere",
        rgba="0.1 0.1 0.1 1",
        pos=" 0.06 0.09 0.2",
        size="0.03",
        density="0.0001",
    )
    sp = e.Geom(
        name="sp",
        type="capsule",
        fromto="0 0 -0.4 0 0 0.2",
        size="0.1",
        density="1",
    )
    r_shoulder_pan_joint = e.Joint(
        name="r_shoulder_pan_joint",
        type="hinge",
        pos="0 0 0",
        axis="0 0 1",
        range="-0.4854 1.214602",
        damping="1.0",
    )
    r_shoulder_lift_link = e.Body(
        name="r_shoulder_lift_link",
        pos="0.1 0 0",
    )
    r_shoulder_pan_link.add_children([
        e1,
        e2,
        e1p,
        e2p,
        sp,
        r_shoulder_pan_joint,
        r_shoulder_lift_link,
    ])
    geom_2 = e.Geom(
        rgba="1 1 1 1",
        type="box",
        pos="0 0 0.005",
        size="0.075 0.075 0.001",
        contype="1",
        conaffinity="1",
        density="1000",
    )
    geom_3 = e.Geom(
        rgba="1 1 1 1",
        type="box",
        pos="0.0 0.075 0.034",
        size="0.075 0.001 0.03",
        contype="1",
        conaffinity="0",
    )
    geom_4 = e.Geom(
        rgba="1 1 1 1",
        type="box",
        pos="0.0 -0.075 0.034",
        size="0.075 0.001 0.03",
        contype="1",
        conaffinity="0",
    )
    geom_5 = e.Geom(
        rgba="1 1 1 1",
        type="box",
        pos="0.075 0 0.034",
        size="0.001 0.075 0.03",
        contype="1",
        conaffinity="0",
    )
    geom_6 = e.Geom(
        rgba="1 1 1 1",
        type="box",
        pos="-0.076 0 0.034",
        size="0.001 0.075 0.03",
        contype="1",
        conaffinity="0",
    )
    geom_7 = e.Geom(
        rgba="1 1 1 1",
        type="capsule",
        fromto="0.073 0.073 0.0075 0.073 0.073 0.06",
        size="0.005",
        contype="1",
        conaffinity="0",
    )
    geom_8 = e.Geom(
        rgba="1 1 1 1",
        type="capsule",
        fromto="0.073 -0.073 0.0075 0.073 -0.073 0.06",
        size="0.005",
        contype="1",
        conaffinity="0",
    )
    geom_9 = e.Geom(
        rgba="1 1 1 1",
        type="capsule",
        fromto="-0.073 0.073 0.0075 -0.073 0.073 0.06",
        size="0.005",
        contype="1",
        conaffinity="0",
    )
    geom_10 = e.Geom(
        rgba="1 1 1 1",
        type="capsule",
        fromto="-0.073 -0.073 0.0075 -0.073 -0.073 0.06",
        size="0.005",
        contype="1",
        conaffinity="0",
    )
    goal_slidey = e.Joint(
        name="goal_slidey",
        type="slide",
        pos="0 0 0",
        axis="0 1 0",
        range="-10.3213 10.3",
        damping="1.0",
    )
    goal_slidex = e.Joint(
        name="goal_slidex",
        type="slide",
        pos="0 0 0",
        axis="1 0 0",
        range="-10.3213 10.3",
        damping="1.0",
    )
    goal.add_children([
        geom_2,
        geom_3,
        geom_4,
        geom_5,
        geom_6,
        geom_7,
        geom_8,
        geom_9,
        geom_10,
        goal_slidey,
        goal_slidex,
    ])
    geom_11 = e.Geom(
        rgba="1. 1. 1. 1",
        type="sphere",
        size="0.03 0.03 0.1",
        density="25",
        contype="1",
        conaffinity="1",
    )
    ball_free = e.Joint(
        name="ball_free",
        type="free",
        armature="0",
        damping="0",
        limited="false",
    )
    ball.add_children([
        geom_11,
        ball_free,
    ])
    sl = e.Geom(
        name="sl",
        type="capsule",
        fromto="0 -0.1 0 0 0.1 0",
        size="0.1",
        density="0.0001",
    )
    r_shoulder_lift_joint = e.Joint(
        name="r_shoulder_lift_joint",
        type="hinge",
        pos="0 0 0",
        axis="0 1 0",
        range="-0.5236 0.7963",
        damping="1.0",
    )
    r_upper_arm_roll_link = e.Body(
        name="r_upper_arm_roll_link",
        pos="0 0 0",
    )
    r_shoulder_lift_link.add_children([
        sl,
        r_shoulder_lift_joint,
        r_upper_arm_roll_link,
    ])
    uar = e.Geom(
        name="uar",
        type="capsule",
        fromto="-0.1 0 0 0.1 0 0",
        size="0.02",
        density="0.0001",
    )
    r_upper_arm_roll_joint = e.Joint(
        name="r_upper_arm_roll_joint",
        type="hinge",
        pos="0 0 0",
        axis="1 0 0",
        range="-1.5 1.7",
        damping="1.0",
    )
    r_upper_arm_link = e.Body(
        name="r_upper_arm_link",
        pos="0 0 0",
    )
    r_upper_arm_roll_link.add_children([
        uar,
        r_upper_arm_roll_joint,
        r_upper_arm_link,
    ])
    ua = e.Geom(
        name="ua",
        type="capsule",
        fromto="0 0 0 0.4 0 0",
        size="0.06",
        density="0.0001",
    )
    r_elbow_flex_link = e.Body(
        name="r_elbow_flex_link",
        pos="0.4 0 0",
    )
    r_upper_arm_link.add_children([
        ua,
        r_elbow_flex_link,
    ])
    ef = e.Geom(
        name="ef",
        type="capsule",
        fromto="0 -0.02 0 0.0 0.02 0",
        size="0.06",
        density="0.0001",
    )
    r_elbow_flex_joint = e.Joint(
        name="r_elbow_flex_joint",
        type="hinge",
        pos="0 0 0",
        axis="0 1 0",
        range="-0.7 0.7",
        damping="1.0",
    )
    r_forearm_roll_link = e.Body(
        name="r_forearm_roll_link",
        pos="0 0 0",
    )
    r_elbow_flex_link.add_children([
        ef,
        r_elbow_flex_joint,
        r_forearm_roll_link,
    ])
    fr = e.Geom(
        name="fr",
        type="capsule",
        fromto="-0.1 0 0 0.1 0 0",
        size="0.02",
        density="0.0001",
    )
    r_forearm_roll_joint = e.Joint(
        name="r_forearm_roll_joint",
        type="hinge",
        limited="true",
        pos="0 0 0",
        axis="1 0 0",
        damping="1.0",
        range="-1.5 1.5",
    )
    r_forearm_link = e.Body(
        name="r_forearm_link",
        pos="0 0 0",
        axisangle="1 0 0 0.392",
    )
    r_forearm_roll_link.add_children([
        fr,
        r_forearm_roll_joint,
        r_forearm_link,
    ])
    fa = e.Geom(
        name="fa",
        type="capsule",
        fromto="0 0 0 0 0 0.291",
        size="0.05",
        density="0.0001",
    )
    r_wrist_flex_link = e.Body(
        name="r_wrist_flex_link",
        pos="0 0 0.321",
        axisangle="0 0 1 1.57",
    )
    r_forearm_link.add_children([
        fa,
        r_wrist_flex_link,
    ])
    wf = e.Geom(
        name="wf",
        type="capsule",
        fromto="0 -0.02 0 0 0.02 0",
        size="0.01",
        density="0.0001",
    )
    r_wrist_flex_joint = e.Joint(
        name="r_wrist_flex_joint",
        type="hinge",
        pos="0 0 0",
        axis="0 0 1",
        range="-1.0 1.0",
        damping="1.0",
    )
    r_wrist_roll_link = e.Body(
        name="r_wrist_roll_link",
        pos="0 0 0",
        axisangle="0 1 0 -1.178",
    )
    r_wrist_flex_link.add_children([
        wf,
        r_wrist_flex_joint,
        r_wrist_roll_link,
    ])
    r_wrist_roll_joint = e.Joint(
        name="r_wrist_roll_joint",
        type="hinge",
        pos="0 0 0",
        limited="true",
        axis="0 1 0",
        damping="1.0",
        range="0 2.25",
    )
    geom_12 = e.Geom(
        type="capsule",
        fromto="0 -0.05 0 0 0.05 0",
        size="0.01",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    body = e.Body(
        pos="0 0 0",
        axisangle="0 0 1 0.392",
    )
    body_1 = e.Body(
        pos="0 0 0",
        axisangle="0 0 1 1.57",
    )
    body_2 = e.Body(
        pos="0 0 0",
        axisangle="0 0 1 1.178",
    )
    body_3 = e.Body(
        pos="0 0 0",
        axisangle="0 0 1 0.785",
    )
    body_4 = e.Body(
        pos="0 0 0",
        axisangle="0 0 1 1.96",
    )
    body_5 = e.Body(
        pos="0 0 0",
        axisangle="0 0 1 2.355",
    )
    body_6 = e.Body(
        pos="0 0 0",
        axisangle="0 0 1 2.74",
    )
    r_wrist_roll_link.add_children([
        r_wrist_roll_joint,
        geom_12,
        body,
        body_1,
        body_2,
        body_3,
        body_4,
        body_5,
        body_6,
    ])
    geom_13 = e.Geom(
        type="capsule",
        fromto="0 0.025 0 0 0.075 0.075",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    geom_14 = e.Geom(
        type="capsule",
        fromto="0 0.075 0.075 0 0.075 0.15",
        size="0.005",
        contype="1",
        conaffinity="1",
        density=".0001",
    )
    geom_15 = e.Geom(
        type="capsule",
        fromto="0 0.075 0.15 0 0 0.225",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    body.add_children([
        geom_13,
        geom_14,
        geom_15,
    ])
    geom_16 = e.Geom(
        type="capsule",
        fromto="0 0.025 0 0 0.075 0.075",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    geom_17 = e.Geom(
        type="capsule",
        fromto="0 0.075 0.075 0 0.075 0.15",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    geom_18 = e.Geom(
        type="capsule",
        fromto="0 0.075 0.15 0 0 0.225",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    body_1.add_children([
        geom_16,
        geom_17,
        geom_18,
    ])
    geom_19 = e.Geom(
        type="capsule",
        fromto="0 0.025 0 0 0.075 0.075",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    geom_20 = e.Geom(
        type="capsule",
        fromto="0 0.075 0.075 0 0.075 0.15",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    geom_21 = e.Geom(
        type="capsule",
        fromto="0 0.075 0.15 0 0 0.225",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    body_2.add_children([
        geom_19,
        geom_20,
        geom_21,
    ])
    geom_22 = e.Geom(
        type="capsule",
        fromto="0 0.025 0 0 0.075 0.075",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    geom_23 = e.Geom(
        type="capsule",
        fromto="0 0.075 0.075 0 0.075 0.15",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    geom_24 = e.Geom(
        type="capsule",
        fromto="0 0.075 0.15 0 0 0.225",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    body_3.add_children([
        geom_22,
        geom_23,
        geom_24,
    ])
    geom_25 = e.Geom(
        type="capsule",
        fromto="0 0.025 0 0 0.075 0.075",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    geom_26 = e.Geom(
        type="capsule",
        fromto="0 0.075 0.075 0 0.075 0.15",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    geom_27 = e.Geom(
        type="capsule",
        fromto="0 0.075 0.15 0 0 0.225",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    body_4.add_children([
        geom_25,
        geom_26,
        geom_27,
    ])
    geom_28 = e.Geom(
        type="capsule",
        fromto="0 0.025 0 0 0.075 0.075",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    geom_29 = e.Geom(
        type="capsule",
        fromto="0 0.075 0.075 0 0.075 0.15",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    geom_30 = e.Geom(
        type="capsule",
        fromto="0 0.075 0.15 0 0 0.225",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    body_5.add_children([
        geom_28,
        geom_29,
        geom_30,
    ])
    geom_31 = e.Geom(
        type="capsule",
        fromto="0 0.025 0 0 0.075 0.075",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    geom_32 = e.Geom(
        type="capsule",
        fromto="0 0.075 0.075 0 0.075 0.15",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    geom_33 = e.Geom(
        type="capsule",
        fromto="0 0.075 0.15 0 0 0.225",
        size="0.005",
        contype="1",
        conaffinity="1",
        density="0.0001",
    )
    body_6.add_children([
        geom_31,
        geom_32,
        geom_33,
    ])

    model_xml = mujoco.xml()

    # Output
    with open('thrower_gen.xml', 'w') as fh:
        fh.write(model_xml)
Example #15
0
def main():

    mujoco = e.Mujoco(model="reacher", )
    compiler = e.Compiler(
        angle="degree",
        inertiafromgeom=True,
    )
    default = e.Default()
    option = e.Option(
        gravity="0 0 -9.81",
        integrator="RK4",
        timestep="0.01",
    )
    worldbody = e.Worldbody()
    tendon = e.Tendon()
    actuator = e.Actuator()
    asset = e.Asset()
    mujoco.add_children(
        [compiler, default, option, worldbody, tendon, actuator, asset])

    # Standard assets
    utils.populated_ma_asset(asset)

    # Standard floor and lighting
    utils.populate_ma_worldbody(worldbody)

    default_joint = e.Joint(
        armature=1,
        damping=1,
        limited=True,
    )

    default_geom = e.Geom(
        contype="0",
        friction="1 0.1 0.1",
        rgba="0.7 0.7 0 1",
    )
    default.add_children([
        default_joint,
        default_geom,
    ])

    sideS, sideE, sideN, sideW = get_sides()

    shoulder_body = e.Body(name="shoulder_body", pos=[0, 0, 0])

    target_body = e.Body(
        name="target_body",
        pos=[0, 0, .1],
    )

    worldbody.add_children([
        sideS,
        sideE,
        sideN,
        sideW,
        shoulder_body,
        target_body,
    ])

    # ARM

    # Shoulder (central pole)
    pole_radius = 0.18
    pole_height = 0.2
    shoulder_geom = e.Geom(
        conaffinity="0",
        contype="0",
        fromto=[0, 0, 0, 0, 0, pole_height],
        name="shoulder_geom",
        rgba="0.9 0.4 0.6 1",
        size=pole_radius,
        type="cylinder",
    )

    upper_arm_radius = 0.05
    side_site_radius = 0.005
    pole_site_offset = pole_radius * 1.2
    left_flex_shoulder_insertion = e.Site(
        name="left_flex_shoulder_insertion",
        pos=[-pole_radius, pole_site_offset, pole_height / 2],
        size=upper_arm_radius / 2)
    right_flex_shoulder_insertion = e.Site(
        name="right_flex_shoulder_insertion",
        pos=[-pole_radius, -pole_site_offset, pole_height / 2],
        size=upper_arm_radius / 2)

    left_flex_shoulder_side = e.Site(
        name="left_flex_shoulder_side",
        pos=[0.0, pole_site_offset, pole_height / 2],
        size=side_site_radius)
    right_flex_shoulder_side = e.Site(
        name="right_flex_shoulder_side",
        pos=[0.0, -pole_site_offset, pole_height / 2],
        size=side_site_radius)

    upper_arm_body = e.Body(
        name="upper_arm_body",
        pos="0 0 .1",
    )

    shoulder_body.add_children([
        shoulder_geom, left_flex_shoulder_insertion, left_flex_shoulder_side,
        right_flex_shoulder_insertion, right_flex_shoulder_side, upper_arm_body
    ])

    upper_arm_len = 1.0
    upper_arm_geom = e.Geom(
        fromto=[0, 0, 0, upper_arm_len, 0, 0],
        name="upper_arm_geom",
        rgba="0.0 0.2 0.4 1",
        size=upper_arm_radius,
        type="capsule",
    )

    shoulder_joint = e.Joint(
        axis=[0, 0, 1],
        limited=True,
        range=[-100, 100],
        name="shoulder_joint",
        pos=[0, 0, 0],
        type="hinge",
    )

    left_flex_ua_insertion = e.Site(
        name="left_flex_ua_insertion",
        pos=[upper_arm_len / 4, upper_arm_radius, 0.0],
        size=upper_arm_radius / 2)
    right_flex_ua_insertion = e.Site(
        name="right_flex_ua_insertion",
        pos=[upper_arm_len / 4, -upper_arm_radius, 0.0],
        size=upper_arm_radius / 2)

    left_curl_ua_insertion = e.Site(
        name="left_curl_ua_insertion",
        pos=[upper_arm_len / 2, upper_arm_radius, 0.0],
        size=upper_arm_radius / 2)
    right_curl_ua_insertion = e.Site(
        name="right_curl_ua_insertion",
        pos=[upper_arm_len / 2, -upper_arm_radius, 0.0],
        size=upper_arm_radius / 2)

    elbow_body = e.Body(name="elbow_body", pos=[upper_arm_len, 0, 0])

    lower_arm_radius = 0.05
    lower_arm = e.Body(
        name="lower_arm",
        pos="1 0 0",
    )

    upper_arm_body.add_children([
        upper_arm_geom,
        shoulder_joint,
        left_flex_ua_insertion,
        right_flex_ua_insertion,
        left_curl_ua_insertion,
        right_curl_ua_insertion,
        elbow_body,
        lower_arm,
    ])

    joint_geom_radius = upper_arm_radius * 1.1
    joint_geom_color = [0.3, 0.9, 0.3, 0.4]  # Translucent green
    elbow_geom = e.Geom(
        conaffinity="0",
        contype="0",
        fromto=[0, 0, -upper_arm_radius, 0, 0, upper_arm_radius],
        name="elbow_geom",
        rgba=joint_geom_color,
        size=joint_geom_radius,
        type="cylinder",
    )

    elbow_left_side = e.Site(name="elbow_left_side",
                             pos=[0, joint_geom_radius * 1.1, 0.0],
                             size=side_site_radius)
    elbow_right_side = e.Site(name="elbow_right_side",
                              pos=[0, -joint_geom_radius * 1.1, 0.0],
                              size=side_site_radius)

    elbow_body.add_children([
        elbow_geom,
        elbow_left_side,
        elbow_right_side,
    ])

    elbow_joint = e.Joint(
        axis="0 0 1",
        limited="true",
        name="elbow_joint",
        pos="0 0 0",
        range=[-172, 172],
        type="hinge",
    )

    lower_arm_len = 1.0
    lower_arm_geom = e.Geom(
        fromto=[0, 0, 0, lower_arm_len, 0, 0],
        name="lower_arm_geom",
        rgba="0.0 0.4 0.6 1",
        size=lower_arm_radius,
        type="capsule",
    )

    left_curl_la_insertion = e.Site(
        name="left_curl_la_insertion",
        pos=[lower_arm_len / 4, lower_arm_radius, 0.0],
        size=lower_arm_radius / 2)
    right_curl_la_insertion = e.Site(
        name="right_curl_la_insertion",
        pos=[lower_arm_len / 4, -lower_arm_radius, 0.0],
        size=lower_arm_radius / 2)

    fingertip_body = e.Body(
        name="fingertip_body",
        pos="1.1 0 0",
    )

    lower_arm.add_children([
        elbow_joint,
        lower_arm_geom,
        left_curl_la_insertion,
        right_curl_la_insertion,
        fingertip_body,
    ])

    fingertip_geom = e.Geom(
        contype="0",
        name="fingertip_geom",
        pos="0 0 0",
        rgba="0.0 0.8 0.6 1",
        size=".1",
        type="sphere",
    )

    fingertip_body.add_children([
        fingertip_geom,
    ])

    # Tendons
    tendon_width = 0.02
    tendon_color = [0.95, 0.3, 0.3, 1]
    tendon_stiffness = 100

    left_flex_tendon = e.Spatial(name="left_flex_tendon",
                                 width=tendon_width,
                                 rgba=tendon_color,
                                 stiffness=tendon_stiffness)
    lfs1 = e.spatial.Site(site=left_flex_shoulder_insertion.name)
    lf_geom = e.spatial.Geom(geom=shoulder_geom.name,
                             sidesite=left_flex_shoulder_side.name)
    lfs2 = e.spatial.Site(site=left_flex_ua_insertion.name)
    left_flex_tendon.add_children([lfs1, lf_geom, lfs2])

    right_flex_tendon = e.Spatial(name="right_flex_tendon",
                                  width=tendon_width,
                                  rgba=tendon_color,
                                  stiffness=tendon_stiffness)
    rfs1 = e.spatial.Site(site=right_flex_shoulder_insertion.name)
    rf_geom = e.spatial.Geom(geom=shoulder_geom.name,
                             sidesite=right_flex_shoulder_side.name)
    rfs2 = e.spatial.Site(site=right_flex_ua_insertion.name)
    right_flex_tendon.add_children([rfs1, rf_geom, rfs2])

    left_curl_tendon = e.Spatial(name="left_curl_tendon",
                                 width=tendon_width,
                                 rgba=tendon_color,
                                 stiffness=tendon_stiffness)
    lcs1 = e.spatial.Site(site=left_curl_ua_insertion.name)
    lc_geom = e.spatial.Geom(geom=elbow_geom.name,
                             sidesite=elbow_left_side.name)
    lcs2 = e.spatial.Site(site=left_curl_la_insertion.name)
    left_curl_tendon.add_children([lcs1, lc_geom, lcs2])

    right_curl_tendon = e.Spatial(name="right_curl_tendon",
                                  width=tendon_width,
                                  rgba=tendon_color,
                                  stiffness=tendon_stiffness)
    rcs1 = e.spatial.Site(site=right_curl_ua_insertion.name)
    rc_geom = e.spatial.Geom(geom=elbow_geom.name,
                             sidesite=elbow_right_side.name)
    rcs2 = e.spatial.Site(site=right_curl_la_insertion.name)
    right_curl_tendon.add_children([rcs1, rc_geom, rcs2])

    tendon.add_children([
        left_flex_tendon,
        right_flex_tendon,
        left_curl_tendon,
        right_curl_tendon,
    ])

    # Target Puck / Ball

    # How is the ball/puck allowed to move?
    target_joint_x = e.Joint(
        armature="0",
        axis="1 0 0",
        damping="0",
        limited=False,
        name="target_joint_x",
        pos="0 0 0",
        stiffness="0",
        type="slide",
    )
    target_joint_y = e.Joint(
        armature="0",
        axis="0 1 0",
        damping="0",
        limited=False,
        name="target_joint_y",
        pos="0 0 0",
        stiffness="0",
        type="slide",
    )
    target_geom = e.Geom(
        conaffinity="0",
        contype="0",
        name="target_geom",
        pos="0 0 0",
        rgba="0.9 0.2 0.2 1",
        size=".09",
        type="sphere",
    )
    target_body.add_children([
        target_joint_x,
        target_joint_y,
        target_geom,
    ])

    # Actuators
    # TODO: Replace with Muscles once 2.0 is released
    act_gain = 100  # Max 100N output
    act_ctrl_range = [-1.0, 0.0]
    ctrllimited = "true"

    left_flex_act = e.General(name="left_flex_act",
                              tendon=left_flex_tendon.name,
                              ctrllimited=ctrllimited,
                              gainprm=act_gain,
                              ctrlrange=act_ctrl_range)
    right_flex_act = e.General(name="right_flex_act",
                               tendon=right_flex_tendon.name,
                               ctrllimited=ctrllimited,
                               gainprm=act_gain,
                               ctrlrange=act_ctrl_range)

    left_curl_act = e.General(name="left_curl_act",
                              tendon=left_curl_tendon.name,
                              ctrllimited=ctrllimited,
                              gainprm=act_gain,
                              ctrlrange=act_ctrl_range)
    right_curl_act = e.General(name="right_curl_act",
                               tendon=right_curl_tendon.name,
                               ctrllimited=ctrllimited,
                               gainprm=act_gain,
                               ctrlrange=act_ctrl_range)

    actuator.add_children([
        left_flex_act,
        right_flex_act,
        left_curl_act,
        right_curl_act,
    ])

    model_xml = mujoco.xml()

    # Output
    filename = "muscled-reacher.xml"
    utils.save_model(model_xml, filename)
Example #16
0
def main():

    mujoco = e.Mujoco(
        model="ant",
    )
    compiler = e.Compiler(
        angle="degree",
        coordinate="local",
        inertiafromgeom="true",
    )
    option = e.Option(
        integrator="RK4",
        timestep="0.01",
    )
    custom = e.Custom(
    )
    default = e.Default(
    )
    asset = e.Asset(
    )
    worldbody = e.Worldbody(
    )
    actuator = e.Actuator(
    )
    mujoco.add_children([
        compiler,
        option,
        custom,
        default,
        asset,
        worldbody,
        actuator,
    ])
    init_qpos = e.Numeric(
        data="0.0 0.0 0.55 1.0 0.0 0.0 0.0 0.0 1.0 0.0 -1.0 0.0 -1.0 0.0 1.0",
        name="init_qpos",
    )
    custom.add_children([
        init_qpos,
    ])
    joint = e.Joint(
        armature="1",
        damping="1",
        limited="true",
    )
    geom = e.Geom(
        conaffinity="0",
        condim="3",
        density="5.0",
        friction="1 0.5 0.5",
        margin="0.01",
        rgba="0.8 0.6 0.4 1",
    )
    default.add_children([
        joint,
        geom,
    ])
    texture = e.Texture(
        builtin="gradient",
        height="100",
        rgb1="1 1 1",
        rgb2="0 0 0",
        type="skybox",
        width="100",
    )
    texgeom = e.Texture(
        builtin="flat",
        height="1278",
        mark="cross",
        markrgb="1 1 1",
        name="texgeom",
        random="0.01",
        rgb1="0.8 0.6 0.4",
        rgb2="0.8 0.6 0.4",
        type="cube",
        width="127",
    )
    texplane = e.Texture(
        builtin="checker",
        height="100",
        name="texplane",
        rgb1="0 0 0",
        rgb2="0.8 0.8 0.8",
        type="2d",
        width="100",
    )
    MatPlane = e.Material(
        name="MatPlane",
        reflectance="0.5",
        shininess="1",
        specular="1",
        texrepeat="60 60",
        texture="texplane",
    )
    geom_1 = e.Material(
        name="geom",
        texture="texgeom",
        texuniform="true",
    )
    asset.add_children([
        texture,
        texgeom,
        texplane,
        MatPlane,
        geom_1,
    ])
    light = e.Light(
        cutoff="100",
        diffuse="1 1 1",
        dir="-0 0 -1.3",
        directional="true",
        exponent="1",
        pos="0 0 1.3",
        specular=".1 .1 .1",
    )
    floor = e.Geom(
        conaffinity="1",
        condim="3",
        material="MatPlane",
        name="floor",
        pos="0 0 0",
        rgba="0.8 0.9 0.8 1",
        size="40 40 40",
        type="plane",
    )
    torso = e.Body(
        name="torso",
        pos="0 0 0.75",
    )
    worldbody.add_children([
        light,
        floor,
        torso,
    ])
    motor = e.Motor(
        ctrllimited="true",
        ctrlrange="-1.0 1.0",
        joint="hip_4",
        gear="150",
    )
    motor_1 = e.Motor(
        ctrllimited="true",
        ctrlrange="-1.0 1.0",
        joint="ankle_4",
        gear="150",
    )
    motor_2 = e.Motor(
        ctrllimited="true",
        ctrlrange="-1.0 1.0",
        joint="hip_1",
        gear="150",
    )
    motor_3 = e.Motor(
        ctrllimited="true",
        ctrlrange="-1.0 1.0",
        joint="ankle_1",
        gear="150",
    )
    motor_4 = e.Motor(
        ctrllimited="true",
        ctrlrange="-1.0 1.0",
        joint="hip_2",
        gear="150",
    )
    motor_5 = e.Motor(
        ctrllimited="true",
        ctrlrange="-1.0 1.0",
        joint="ankle_2",
        gear="150",
    )
    motor_6 = e.Motor(
        ctrllimited="true",
        ctrlrange="-1.0 1.0",
        joint="hip_3",
        gear="150",
    )
    motor_7 = e.Motor(
        ctrllimited="true",
        ctrlrange="-1.0 1.0",
        joint="ankle_3",
        gear="150",
    )
    actuator.add_children([
        motor,
        motor_1,
        motor_2,
        motor_3,
        motor_4,
        motor_5,
        motor_6,
        motor_7,
    ])
    track = e.Camera(
        name="track",
        mode="trackcom",
        pos="0 -3 0.3",
        xyaxes="1 0 0 0 0 1",
    )
    torso_geom = e.Geom(
        name="torso_geom",
        pos="0 0 0",
        size="0.25",
        type="sphere",
    )
    root = e.Joint(
        armature="0",
        damping="0",
        limited="false",
        margin="0.01",
        name="root",
        pos="0 0 0",
        type="free",
    )
    front_left_leg = e.Body(
        name="front_left_leg",
        pos="0 0 0",
    )
    front_right_leg = e.Body(
        name="front_right_leg",
        pos="0 0 0",
    )
    back_leg = e.Body(
        name="back_leg",
        pos="0 0 0",
    )
    right_back_leg = e.Body(
        name="right_back_leg",
        pos="0 0 0",
    )
    torso.add_children([
        track,
        torso_geom,
        root,
        front_left_leg,
        front_right_leg,
        back_leg,
        right_back_leg,
    ])
    aux_1_geom = e.Geom(
        fromto="0.0 0.0 0.0 0.2 0.2 0.0",
        name="aux_1_geom",
        size="0.08",
        type="capsule",
    )
    aux_1 = e.Body(
        name="aux_1",
        pos="0.2 0.2 0",
    )
    front_left_leg.add_children([
        aux_1_geom,
        aux_1,
    ])
    aux_2_geom = e.Geom(
        fromto="0.0 0.0 0.0 -0.2 0.2 0.0",
        name="aux_2_geom",
        size="0.08",
        type="capsule",
    )
    aux_2 = e.Body(
        name="aux_2",
        pos="-0.2 0.2 0",
    )
    front_right_leg.add_children([
        aux_2_geom,
        aux_2,
    ])
    aux_3_geom = e.Geom(
        fromto="0.0 0.0 0.0 -0.2 -0.2 0.0",
        name="aux_3_geom",
        size="0.08",
        type="capsule",
    )
    aux_3 = e.Body(
        name="aux_3",
        pos="-0.2 -0.2 0",
    )
    back_leg.add_children([
        aux_3_geom,
        aux_3,
    ])
    aux_4_geom = e.Geom(
        fromto="0.0 0.0 0.0 0.2 -0.2 0.0",
        name="aux_4_geom",
        size="0.08",
        type="capsule",
    )
    aux_4 = e.Body(
        name="aux_4",
        pos="0.2 -0.2 0",
    )
    right_back_leg.add_children([
        aux_4_geom,
        aux_4,
    ])
    hip_1 = e.Joint(
        axis="0 0 1",
        name="hip_1",
        pos="0.0 0.0 0.0",
        range="-30 30",
        type="hinge",
    )
    left_leg_geom = e.Geom(
        fromto="0.0 0.0 0.0 0.2 0.2 0.0",
        name="left_leg_geom",
        size="0.08",
        type="capsule",
    )
    body = e.Body(
        pos="0.2 0.2 0",
    )
    aux_1.add_children([
        hip_1,
        left_leg_geom,
        body,
    ])
    hip_2 = e.Joint(
        axis="0 0 1",
        name="hip_2",
        pos="0.0 0.0 0.0",
        range="-30 30",
        type="hinge",
    )
    right_leg_geom = e.Geom(
        fromto="0.0 0.0 0.0 -0.2 0.2 0.0",
        name="right_leg_geom",
        size="0.08",
        type="capsule",
    )
    body_1 = e.Body(
        pos="-0.2 0.2 0",
    )
    aux_2.add_children([
        hip_2,
        right_leg_geom,
        body_1,
    ])
    hip_3 = e.Joint(
        axis="0 0 1",
        name="hip_3",
        pos="0.0 0.0 0.0",
        range="-30 30",
        type="hinge",
    )
    back_leg_geom = e.Geom(
        fromto="0.0 0.0 0.0 -0.2 -0.2 0.0",
        name="back_leg_geom",
        size="0.08",
        type="capsule",
    )
    body_2 = e.Body(
        pos="-0.2 -0.2 0",
    )
    aux_3.add_children([
        hip_3,
        back_leg_geom,
        body_2,
    ])
    hip_4 = e.Joint(
        axis="0 0 1",
        name="hip_4",
        pos="0.0 0.0 0.0",
        range="-30 30",
        type="hinge",
    )
    rightback_leg_geom = e.Geom(
        fromto="0.0 0.0 0.0 0.2 -0.2 0.0",
        name="rightback_leg_geom",
        size="0.08",
        type="capsule",
    )
    body_3 = e.Body(
        pos="0.2 -0.2 0",
    )
    aux_4.add_children([
        hip_4,
        rightback_leg_geom,
        body_3,
    ])
    ankle_1 = e.Joint(
        axis="-1 1 0",
        name="ankle_1",
        pos="0.0 0.0 0.0",
        range="30 70",
        type="hinge",
    )
    left_ankle_geom = e.Geom(
        fromto="0.0 0.0 0.0 0.4 0.4 0.0",
        name="left_ankle_geom",
        size="0.08",
        type="capsule",
    )
    body.add_children([
        ankle_1,
        left_ankle_geom,
    ])
    ankle_2 = e.Joint(
        axis="1 1 0",
        name="ankle_2",
        pos="0.0 0.0 0.0",
        range="-70 -30",
        type="hinge",
    )
    right_ankle_geom = e.Geom(
        fromto="0.0 0.0 0.0 -0.4 0.4 0.0",
        name="right_ankle_geom",
        size="0.08",
        type="capsule",
    )
    body_1.add_children([
        ankle_2,
        right_ankle_geom,
    ])
    ankle_3 = e.Joint(
        axis="-1 1 0",
        name="ankle_3",
        pos="0.0 0.0 0.0",
        range="-70 -30",
        type="hinge",
    )
    third_ankle_geom = e.Geom(
        fromto="0.0 0.0 0.0 -0.4 -0.4 0.0",
        name="third_ankle_geom",
        size="0.08",
        type="capsule",
    )
    body_2.add_children([
        ankle_3,
        third_ankle_geom,
    ])
    ankle_4 = e.Joint(
        axis="1 1 0",
        name="ankle_4",
        pos="0.0 0.0 0.0",
        range="30 70",
        type="hinge",
    )
    fourth_ankle_geom = e.Geom(
        fromto="0.0 0.0 0.0 0.4 -0.4 0.0",
        name="fourth_ankle_geom",
        size="0.08",
        type="capsule",
    )
    body_3.add_children([
        ankle_4,
        fourth_ankle_geom,
    ])

    model_xml = mujoco.xml()

    # Output
    with open('ant_gen.xml', 'w') as fh:
        fh.write(model_xml)