Example #1
0
def transform_demo(reg, demo, left=True, right=True, cloud_xyz=False, object_clouds=False, l_offset = None, r_offset = None):
    """
    reg: NonrigidRegistration object
    demo: array with the following fields: r_gripper_xyzs, l_gripper_xyzs, r_gripper_quats, l_gripper_quats, cloud_xyz
    
    (todo: replace 'cloud_xyz' with 'object_points')
    """
    warped_demo = group_to_dict(demo)
        
    if left:
        if l_offset is None:
            l_tool_xyzs = demo["l_gripper_tool_frame"]["position"]
        else:
            l_tool_xyzs = np.array([xyz + np.dot(rot[:3,:3], l_offset) for (xyz, rot) in zip(demo["l_gripper_tool_frame"]["position"], quats2mats(demo["l_gripper_tool_frame"]["orientation"]))])
        l_tool_xyzs_warped, rot_l_warped = reg.transform_frames(l_tool_xyzs, quats2mats(demo["l_gripper_tool_frame"]["orientation"]))
        l_gripper_quats_warped = mats2quats(rot_l_warped)
        if l_offset is None:
            l_gripper_xyzs_warped = l_tool_xyzs_warped
        else:
            l_gripper_xyzs_warped = np.array([xyz - np.dot(rot[:3,:3], l_offset) for (xyz, rot) in zip(l_tool_xyzs_warped, rot_l_warped)])
        
        warped_demo["l_gripper_tool_frame"]["position"] = l_gripper_xyzs_warped
        warped_demo["l_gripper_tool_frame"]["orientation"] = l_gripper_quats_warped

    if right:
        if r_offset is None:
            r_tool_xyzs = demo["r_gripper_tool_frame"]["position"]
        else:
            r_tool_xyzs = np.array([xyz + np.dot(rot[:3,:3], r_offset) for (xyz, rot) in zip(demo["r_gripper_tool_frame"]["position"], quats2mats(demo["r_gripper_tool_frame"]["orientation"]))])
        r_tool_xyzs_warped, rot_r_warped = reg.transform_frames(r_tool_xyzs, quats2mats(demo["r_gripper_tool_frame"]["orientation"]))
        r_gripper_quats_warped = mats2quats(rot_r_warped)
        if r_offset is None:
            r_gripper_xyzs_warped = r_tool_xyzs_warped
        else:
            r_gripper_xyzs_warped = np.array([xyz - np.dot(rot[:3,:3], r_offset) for (xyz, rot) in zip(r_tool_xyzs_warped, rot_r_warped)])
        warped_demo["r_gripper_tool_frame"]["position"] = r_gripper_xyzs_warped
        warped_demo["r_gripper_tool_frame"]["orientation"] = r_gripper_quats_warped
        
    if cloud_xyz:
        old_cloud_xyz_pts = np.asarray(demo["cloud_xyz"]).reshape(-1,3)
        new_cloud_xyz_pts = reg.transform_points(old_cloud_xyz_pts)
        warped_demo["cloud_xyz"] = new_cloud_xyz_pts.reshape(demo["cloud_xyz"].shape)
        
    if object_clouds:
        for key in sorted(demo["object_clouds"].keys()):            
            old_cloud_xyz_pts = np.asarray(demo["object_clouds"][key]["xyz"]).reshape(-1,3)
            new_cloud_xyz_pts = reg.transform_points(old_cloud_xyz_pts)
            warped_demo["object_clouds"][key]["xyz"] = new_cloud_xyz_pts
        
    return warped_demo
Example #2
0
def transform_verb_demo(warp, demo,l_offset = None, r_offset = None):
    """
    demo: array with the following fields: r_gripper_xyzs, l_gripper_xyzs, r_gripper_quats, l_gripper_quats, cloud_xyz, possible object_clouds
    transform each field using warp
    l_offset and r_offset tell you where the tools are, so you can do tool stuff
    (note: this doesn't currently work when important point is moved relative to demo)
    
    """
    warped_demo = group_to_dict(demo) # deep copy it
        
    if demo["arms_used"] in "lb":
        if l_offset is None:
            l_tool_xyzs = demo["l_gripper_tool_frame"]["position"]
        else:
            l_tool_xyzs = np.array([xyz + np.dot(rot[:3,:3], l_offset) for (xyz, rot) in zip(demo["l_gripper_tool_frame"]["position"], quats2mats(demo["l_gripper_tool_frame"]["orientation"]))])
        l_tool_xyzs_warped, rot_l_warped = warp.transform_frames(l_tool_xyzs, quats2mats(demo["l_gripper_tool_frame"]["orientation"]))
        l_gripper_quats_warped = mats2quats(rot_l_warped)
        if l_offset is None:
            l_gripper_xyzs_warped = l_tool_xyzs_warped
        else:
            l_gripper_xyzs_warped = np.array([xyz - np.dot(rot[:3,:3], l_offset) for (xyz, rot) in zip(l_tool_xyzs_warped, rot_l_warped)])
        
        warped_demo["l_gripper_tool_frame"]["position"] = l_gripper_xyzs_warped
        warped_demo["l_gripper_tool_frame"]["orientation"] = l_gripper_quats_warped

    if demo["arms_used"] in "rb":
        if r_offset is None:
            r_tool_xyzs = demo["r_gripper_tool_frame"]["position"]
        else:
            r_tool_xyzs = np.array([xyz + np.dot(rot[:3,:3], r_offset) for (xyz, rot) in zip(demo["r_gripper_tool_frame"]["position"], quats2mats(demo["r_gripper_tool_frame"]["orientation"]))])
        r_tool_xyzs_warped, rot_r_warped = warp.transform_frames(r_tool_xyzs, quats2mats(demo["r_gripper_tool_frame"]["orientation"]))
        r_gripper_quats_warped = mats2quats(rot_r_warped)
        if r_offset is None:
            r_gripper_xyzs_warped = r_tool_xyzs_warped
        else:
            r_gripper_xyzs_warped = np.array([xyz - np.dot(rot[:3,:3], r_offset) for (xyz, rot) in zip(r_tool_xyzs_warped, rot_r_warped)])
        warped_demo["r_gripper_tool_frame"]["position"] = r_gripper_xyzs_warped
        warped_demo["r_gripper_tool_frame"]["orientation"] = r_gripper_quats_warped
        
    if "object_clouds" in demo:
        for key in sorted(demo["object_clouds"].keys()):            
            old_cloud_xyz_pts = np.asarray(demo["object_clouds"][key]["xyz"]).reshape(-1,3)
            new_cloud_xyz_pts = warp.transform_points(old_cloud_xyz_pts)
            warped_demo["object_clouds"][key]["xyz"] = new_cloud_xyz_pts
        
    return warped_demo
Example #3
0
def transform_demo(reg,
                   demo,
                   left=True,
                   right=True,
                   cloud_xyz=False,
                   object_clouds=False,
                   l_offset=None,
                   r_offset=None):
    """
    reg: NonrigidRegistration object
    demo: array with the following fields: r_gripper_xyzs, l_gripper_xyzs, r_gripper_quats, l_gripper_quats, cloud_xyz
    
    (todo: replace 'cloud_xyz' with 'object_points')
    """
    warped_demo = group_to_dict(demo)

    if left:
        if l_offset is None:
            l_tool_xyzs = demo["l_gripper_tool_frame"]["position"]
        else:
            l_tool_xyzs = np.array([
                xyz + np.dot(rot[:3, :3], l_offset) for (xyz, rot) in zip(
                    demo["l_gripper_tool_frame"]["position"],
                    quats2mats(demo["l_gripper_tool_frame"]["orientation"]))
            ])
        l_tool_xyzs_warped, rot_l_warped = reg.transform_frames(
            l_tool_xyzs,
            quats2mats(demo["l_gripper_tool_frame"]["orientation"]))
        l_gripper_quats_warped = mats2quats(rot_l_warped)
        if l_offset is None:
            l_gripper_xyzs_warped = l_tool_xyzs_warped
        else:
            l_gripper_xyzs_warped = np.array([
                xyz - np.dot(rot[:3, :3], l_offset)
                for (xyz, rot) in zip(l_tool_xyzs_warped, rot_l_warped)
            ])

        warped_demo["l_gripper_tool_frame"]["position"] = l_gripper_xyzs_warped
        warped_demo["l_gripper_tool_frame"][
            "orientation"] = l_gripper_quats_warped

    if right:
        if r_offset is None:
            r_tool_xyzs = demo["r_gripper_tool_frame"]["position"]
        else:
            r_tool_xyzs = np.array([
                xyz + np.dot(rot[:3, :3], r_offset) for (xyz, rot) in zip(
                    demo["r_gripper_tool_frame"]["position"],
                    quats2mats(demo["r_gripper_tool_frame"]["orientation"]))
            ])
        r_tool_xyzs_warped, rot_r_warped = reg.transform_frames(
            r_tool_xyzs,
            quats2mats(demo["r_gripper_tool_frame"]["orientation"]))
        r_gripper_quats_warped = mats2quats(rot_r_warped)
        if r_offset is None:
            r_gripper_xyzs_warped = r_tool_xyzs_warped
        else:
            r_gripper_xyzs_warped = np.array([
                xyz - np.dot(rot[:3, :3], r_offset)
                for (xyz, rot) in zip(r_tool_xyzs_warped, rot_r_warped)
            ])
        warped_demo["r_gripper_tool_frame"]["position"] = r_gripper_xyzs_warped
        warped_demo["r_gripper_tool_frame"][
            "orientation"] = r_gripper_quats_warped

    if cloud_xyz:
        old_cloud_xyz_pts = np.asarray(demo["cloud_xyz"]).reshape(-1, 3)
        new_cloud_xyz_pts = reg.transform_points(old_cloud_xyz_pts)
        warped_demo["cloud_xyz"] = new_cloud_xyz_pts.reshape(
            demo["cloud_xyz"].shape)

    if object_clouds:
        for key in sorted(demo["object_clouds"].keys()):
            old_cloud_xyz_pts = np.asarray(
                demo["object_clouds"][key]["xyz"]).reshape(-1, 3)
            new_cloud_xyz_pts = reg.transform_points(old_cloud_xyz_pts)
            warped_demo["object_clouds"][key]["xyz"] = new_cloud_xyz_pts

    return warped_demo
Example #4
0
def transform_verb_demo(warp, demo, l_offset=None, r_offset=None):
    """
    demo: array with the following fields: r_gripper_xyzs, l_gripper_xyzs, r_gripper_quats, l_gripper_quats, cloud_xyz, possible object_clouds
    transform each field using warp
    l_offset and r_offset tell you where the tools are, so you can do tool stuff
    (note: this doesn't currently work when important point is moved relative to demo)
    
    """
    warped_demo = group_to_dict(demo)  # deep copy it

    if demo["arms_used"] in "lb":
        if l_offset is None:
            l_tool_xyzs = demo["l_gripper_tool_frame"]["position"]
        else:
            l_tool_xyzs = np.array([
                xyz + np.dot(rot[:3, :3], l_offset) for (xyz, rot) in zip(
                    demo["l_gripper_tool_frame"]["position"],
                    quats2mats(demo["l_gripper_tool_frame"]["orientation"]))
            ])
        l_tool_xyzs_warped, rot_l_warped = warp.transform_frames(
            l_tool_xyzs,
            quats2mats(demo["l_gripper_tool_frame"]["orientation"]))
        l_gripper_quats_warped = mats2quats(rot_l_warped)
        if l_offset is None:
            l_gripper_xyzs_warped = l_tool_xyzs_warped
        else:
            l_gripper_xyzs_warped = np.array([
                xyz - np.dot(rot[:3, :3], l_offset)
                for (xyz, rot) in zip(l_tool_xyzs_warped, rot_l_warped)
            ])

        warped_demo["l_gripper_tool_frame"]["position"] = l_gripper_xyzs_warped
        warped_demo["l_gripper_tool_frame"][
            "orientation"] = l_gripper_quats_warped

    if demo["arms_used"] in "rb":
        if r_offset is None:
            r_tool_xyzs = demo["r_gripper_tool_frame"]["position"]
        else:
            r_tool_xyzs = np.array([
                xyz + np.dot(rot[:3, :3], r_offset) for (xyz, rot) in zip(
                    demo["r_gripper_tool_frame"]["position"],
                    quats2mats(demo["r_gripper_tool_frame"]["orientation"]))
            ])
        r_tool_xyzs_warped, rot_r_warped = warp.transform_frames(
            r_tool_xyzs,
            quats2mats(demo["r_gripper_tool_frame"]["orientation"]))
        r_gripper_quats_warped = mats2quats(rot_r_warped)
        if r_offset is None:
            r_gripper_xyzs_warped = r_tool_xyzs_warped
        else:
            r_gripper_xyzs_warped = np.array([
                xyz - np.dot(rot[:3, :3], r_offset)
                for (xyz, rot) in zip(r_tool_xyzs_warped, rot_r_warped)
            ])
        warped_demo["r_gripper_tool_frame"]["position"] = r_gripper_xyzs_warped
        warped_demo["r_gripper_tool_frame"][
            "orientation"] = r_gripper_quats_warped

    if "object_clouds" in demo:
        for key in sorted(demo["object_clouds"].keys()):
            old_cloud_xyz_pts = np.asarray(
                demo["object_clouds"][key]["xyz"]).reshape(-1, 3)
            new_cloud_xyz_pts = warp.transform_points(old_cloud_xyz_pts)
            warped_demo["object_clouds"][key]["xyz"] = new_cloud_xyz_pts

    return warped_demo