Example #1
0
def main():
    global _mouse_ix, _mouse_iy, down, view_direction

    model_path = sys.argv[1]
    print(model_path)

    model_id = os.path.basename(model_path)
    category = os.path.basename(os.path.dirname(model_path))

    hdr_texture = os.path.join(
                gibson2.ig_dataset_path, 'scenes', 'background', 
                'photo_studio_01_2k.hdr')
    settings = MeshRendererSettings(env_texture_filename=hdr_texture,
               enable_shadow=True, msaa=True,
               light_dimming_factor=1.5)

    s = Simulator(mode='headless', 
            image_width=1800, image_height=1200, 
            vertical_fov=70, rendering_settings=settings
            )

    s.renderer.set_light_position_direction([0,0,10], [0,0,0])

    s.renderer.load_object('plane/plane_z_up_0.obj', scale=[3,3,3])
    s.renderer.add_instance(0)
    s.renderer.set_pose([0,0,-1.5,1, 0, 0.0, 0.0], -1)


    v = []
    mesh_path = os.path.join(model_path, 'shape/visual')
    for fn in os.listdir(mesh_path):
        if fn.endswith('obj'):
            vertices, faces = load_obj_np(os.path.join(mesh_path, fn))
            v.append(vertices)

    v = np.vstack(v)
    print(v.shape)
    xlen = np.max(v[:,0]) - np.min(v[:,0])
    ylen = np.max(v[:,1]) - np.min(v[:,1])
    zlen = np.max(v[:,2]) - np.min(v[:,2])
    scale = 1.5/(max([xlen, ylen, zlen]))
    center = np.mean(v, axis=0)
    centered_v = v - center

    center = (np.max(v, axis=0) + np.min(v, axis=0)) / 2.

    urdf_path = os.path.join(model_path, '{}.urdf'.format(model_id))
    print(urdf_path)
    obj = ArticulatedObject(filename=urdf_path, scale=scale)
    s.import_object(obj)
    obj.set_position(center)
    s.sync()
    print(s.renderer.visual_objects, s.renderer.instances)

    _mouse_ix, _mouse_iy = -1, -1
    down = False

    theta,r = 0,1.5

    px = r*np.sin(theta)
    py = r*np.cos(theta)
    pz = 1
    camera_pose = np.array([px, py, pz])
    s.renderer.set_camera(camera_pose, [0,0,0], [0, 0, 1])

    num_views = 6 
    save_dir = os.path.join(model_path, 'visualizations')
    for i in range(num_views):
        theta += np.pi*2/(num_views+1)
        obj.set_orientation([0., 0., 1.0, np.cos(theta/2)])
        s.sync()
        with Profiler('Render'):
            frame = s.renderer.render(modes=('rgb'))
        img = Image.fromarray((
                255*np.concatenate(frame, axis=1)[:,:,:3]).astype(np.uint8))
        img.save(os.path.join(save_dir, '{:02d}.png'.format(i)))

    cmd = 'ffmpeg -framerate 2 -i {s}/%2d.png -y -r 16 -c:v libx264 -pix_fmt yuvj420p {s}/{m}.mp4'.format(s=save_dir,m=model_id)
    subprocess.call(cmd, shell=True)
    cmd = 'rm {}/??.png'.format(save_dir)
    subprocess.call(cmd, shell=True)
Example #2
0
def main():
    parser = argparse.ArgumentParser()
    parser.add_argument('--scene',
                        type=str,
                        help='Name of the scene in the iG Dataset')
    parser.add_argument('--save_dir',
                        type=str,
                        help='Directory to save the frames.',
                        default='misc')
    parser.add_argument('--seed', type=int, default=15, help='Random seed.')
    parser.add_argument('--domain_rand',
                        dest='domain_rand',
                        action='store_true')
    parser.add_argument('--domain_rand_interval',
                        dest='domain_rand_interval',
                        type=int,
                        default=50)
    parser.add_argument('--object_rand',
                        dest='object_rand',
                        action='store_true')
    args = parser.parse_args()

    # hdr_texture1 = os.path.join(
    # gibson2.ig_dataset_path, 'scenes', 'background', 'photo_studio_01_2k.hdr')
    hdr_texture1 = os.path.join(gibson2.ig_dataset_path, 'scenes',
                                'background', 'probe_03.hdr')
    hdr_texture2 = os.path.join(gibson2.ig_dataset_path, 'scenes',
                                'background', 'probe_02.hdr')
    light_map = os.path.join(get_ig_scene_path(args.scene), 'layout',
                             'floor_lighttype_0.png')

    background_texture = os.path.join(gibson2.ig_dataset_path, 'scenes',
                                      'background', 'urban_street_01.jpg')

    settings = MeshRendererSettings(env_texture_filename=hdr_texture1,
                                    env_texture_filename2=hdr_texture2,
                                    env_texture_filename3=background_texture,
                                    light_modulation_map_filename=light_map,
                                    enable_shadow=True,
                                    msaa=True,
                                    skybox_size=36.,
                                    light_dimming_factor=0.8)

    s = Simulator(mode='headless',
                  image_width=1080,
                  image_height=720,
                  vertical_fov=60,
                  rendering_settings=settings)

    random.seed(args.seed)
    scene = InteractiveIndoorScene(args.scene,
                                   texture_randomization=args.domain_rand,
                                   object_randomization=args.object_rand)

    s.import_ig_scene(scene)

    traj_path = os.path.join(get_ig_scene_path(args.scene), 'misc',
                             'tour_cam_trajectory.txt')
    save_dir = os.path.join(get_ig_scene_path(args.scene), args.save_dir)
    os.makedirs(save_dir, exist_ok=True)
    tmp_dir = os.path.join(save_dir, 'tmp')
    os.makedirs(tmp_dir, exist_ok=True)

    with open(traj_path, 'r') as fp:
        points = [l.rstrip().split(',') for l in fp.readlines()]

    for _ in range(60):
        s.step()
    s.sync()

    for i in range(len(points)):
        if args.domain_rand and i % args.domain_rand_interval == 0:
            scene.randomize_texture()
        x, y, dir_x, dir_y = [float(p) for p in points[i]]
        z = 1.7
        tar_x = x + dir_x
        tar_y = y + dir_y
        tar_z = 1.4
        # cam_loc = np.array([x, y, z])
        s.renderer.set_camera([x, y, z], [tar_x, tar_y, tar_z], [0, 0, 1])

        with Profiler('Render'):
            frame = s.renderer.render(modes=('rgb'))
        img = Image.fromarray(
            (255 * np.concatenate(frame, axis=1)[:, :, :3]).astype(np.uint8))
        img.save(os.path.join(tmp_dir, '{:05d}.png'.format(i)))

    cmd = 'ffmpeg -i {t}/%5d.png -y -an -c:v libx264 -crf 18 -preset veryslow -r 30 {s}/tour.mp4'.format(
        t=tmp_dir, s=save_dir)
    subprocess.call(cmd, shell=True)
    cmd = 'rm -r {}'.format(tmp_dir)
    subprocess.call(cmd, shell=True)

    s.disconnect()
def main():
    global _mouse_ix, _mouse_iy, down, view_direction

    args = parser.parse_args()
    model_path = args.input_dir
    print(model_path)

    model_id = os.path.basename(model_path)
    category = os.path.basename(os.path.dirname(model_path))

    hdr_texture = os.path.join(gibson2.ig_dataset_path, 'scenes', 'background',
                               'probe_03.hdr')
    settings = MeshRendererSettings(env_texture_filename=hdr_texture,
                                    enable_shadow=True,
                                    msaa=True)

    s = Simulator(mode='headless',
                  image_width=1800,
                  image_height=1200,
                  vertical_fov=70,
                  rendering_settings=settings)

    s.renderer.set_light_position_direction([0, 0, 10], [0, 0, 0])

    s.renderer.load_object('plane/plane_z_up_0.obj', scale=[3, 3, 3])
    s.renderer.add_instance(0)
    s.renderer.set_pose([0, 0, -1.5, 1, 0, 0.0, 0.0], -1)

    ###########################
    # Get center and scale
    ###########################
    bbox_json = os.path.join(model_path, 'misc', 'metadata.json')
    with open(bbox_json, 'r') as fp:
        bbox_data = json.load(fp)
        scale = 1.5 / max(bbox_data['bbox_size'])
        center = -scale * np.array(bbox_data['base_link_offset'])

    urdf_path = os.path.join(model_path, '{}.urdf'.format(model_id))
    print(urdf_path)
    obj = ArticulatedObject(filename=urdf_path, scale=scale)
    s.import_object(obj)
    obj.set_position(center)
    s.sync()

    _mouse_ix, _mouse_iy = -1, -1
    down = False

    theta, r = 0, 1.5

    px = r * np.sin(theta)
    py = r * np.cos(theta)
    pz = 1
    camera_pose = np.array([px, py, pz])
    s.renderer.set_camera(camera_pose, [0, 0, 0], [0, 0, 1])

    num_views = 6
    save_dir = os.path.join(model_path, 'visualizations')
    os.makedirs(save_dir, exist_ok=True)
    for i in range(num_views):
        theta += np.pi * 2 / (num_views + 1)
        obj.set_orientation([0., 0., 1.0, np.cos(theta / 2)])
        s.sync()
        with Profiler('Render'):
            frame = s.renderer.render(modes=('rgb'))
        img = Image.fromarray(
            (255 * np.concatenate(frame, axis=1)[:, :, :3]).astype(np.uint8))
        img.save(os.path.join(save_dir, '{:02d}.png'.format(i)))

    if which('ffmpeg') is not None:
        cmd = 'ffmpeg -framerate 2 -i {s}/%2d.png -y -r 16 -c:v libx264 -pix_fmt yuvj420p {s}/{m}.mp4'.format(
            s=save_dir, m=model_id)
        subprocess.call(cmd, shell=True)
Example #4
0
def main():
    step_per_sec = 100
    num_directions = 12
    obj_count = 0
    root_dir = '/cvgl2/u/chengshu/ig_dataset_v5/objects'

    s = Simulator(mode='headless',
                  image_width=512,
                  image_height=512,
                  physics_timestep=1 / float(step_per_sec))
    p.setGravity(0.0, 0.0, 0.0)

    for obj_class_dir in sorted(os.listdir(root_dir)):
        obj_class_dir = os.path.join(root_dir, obj_class_dir)
        for obj_inst_dir in os.listdir(obj_class_dir):
            obj_inst_name = obj_inst_dir
            urdf_path = obj_inst_name + '.urdf'
            obj_inst_dir = os.path.join(obj_class_dir, obj_inst_dir)
            urdf_path = os.path.join(obj_inst_dir, urdf_path)

            obj = ArticulatedObject(urdf_path)
            s.import_object(obj)

            with open(os.path.join(obj_inst_dir, 'misc/bbox.json'),
                      'r') as bbox_file:
                bbox_data = json.load(bbox_file)
                bbox_max = np.array(bbox_data['max'])
                bbox_min = np.array(bbox_data['min'])
            offset = -(bbox_max + bbox_min) / 2.0

            z = stable_z_on_aabb(obj.body_id, [[0, 0, 0], [0, 0, 0]])

            obj.set_position([offset[0], offset[1], z])
            _, extent = get_center_extent(obj.body_id)

            max_half_extent = max(extent) / 2.0
            px = max_half_extent * 3.0
            py = 0.0
            pz = extent[2] / 2.0
            camera_pose = np.array([px, py, pz])

            s.renderer.set_camera(camera_pose, [0, 0, pz], [0, 0, 1])

            num_joints = p.getNumJoints(obj.body_id)
            if num_joints == 0:
                s.reload()
                continue

            # collect joint low/high limit
            joint_low = []
            joint_high = []
            for j in range(num_joints):
                j_low, j_high = p.getJointInfo(obj.body_id, j)[8:10]
                joint_low.append(j_low)
                joint_high.append(j_high)

            # set joints to their lowest limits
            for j, j_low in zip(range(num_joints), joint_low):
                p.resetJointState(obj.body_id,
                                  j,
                                  targetValue=j_low,
                                  targetVelocity=0.0)
            s.sync()

            # render the images
            joint_low_imgs = []
            for i in range(num_directions):
                yaw = np.pi * 2.0 / num_directions * i
                obj.set_orientation(
                    quatToXYZW(euler2quat(0.0, 0.0, yaw), 'wxyz'))
                s.sync()
                rgb, three_d = s.renderer.render(modes=('rgb', '3d'))
                depth = -three_d[:, :, 2]
                rgb[depth == 0] = 1.0
                joint_low_imgs.append(
                    Image.fromarray((rgb[:, :, :3] * 255).astype(np.uint8)))

            # set joints to their highest limits
            for j, j_high in zip(range(num_joints), joint_high):
                p.resetJointState(obj.body_id,
                                  j,
                                  targetValue=j_high,
                                  targetVelocity=0.0)
            s.sync()

            # render the images
            joint_high_imgs = []
            for i in range(num_directions):
                yaw = np.pi * 2.0 / num_directions * i
                obj.set_orientation(
                    quatToXYZW(euler2quat(0.0, 0.0, yaw), 'wxyz'))
                s.sync()
                rgb, three_d = s.renderer.render(modes=('rgb', '3d'))
                depth = -three_d[:, :, 2]
                rgb[depth == 0] = 1.0
                joint_high_imgs.append(
                    Image.fromarray((rgb[:, :, :3] * 255).astype(np.uint8)))

            # concatenate the images
            imgs = []
            for im1, im2 in zip(joint_low_imgs, joint_high_imgs):
                dst = Image.new('RGB', (im1.width + im2.width, im1.height))
                dst.paste(im1, (0, 0))
                dst.paste(im2, (im1.width, 0))
                imgs.append(dst)
            gif_path = '{}/visualizations/{}_joint_limit.gif'.format(
                obj_inst_dir, obj_inst_name)

            # save the gif
            imgs[0].save(gif_path,
                         save_all=True,
                         append_images=imgs[1:],
                         optimize=True,
                         duration=200,
                         loop=0)

            s.reload()
            obj_count += 1
            print(obj_count, gif_path)