def init_boxes(self, volume_service, subset_labels, roi):
sbm = None
if roi:
base_service = volume_service.base_service
assert isinstance(base_service, DvidVolumeService), \
"Can't specify an ROI unless you're using a dvid input"
assert isinstance(volume_service, (ScaledVolumeService, DvidVolumeService)), \
"The 'roi' option doesn't support adapters other than 'rescale-level'"
scale = 0
if isinstance(volume_service, ScaledVolumeService):
scale = volume_service.scale_delta
assert scale <= 5, \
"The 'roi' option doesn't support volumes downscaled beyond level 5"
server, uuid, _seg_instance = base_service.instance_triple
brick_shape = volume_service.preferred_message_shape
assert not (brick_shape % 2**(5-scale)).any(), \
"If using an ROI, select a brick shape that is divisible by 32"
seg_box = volume_service.bounding_box_zyx
seg_box = round_box(seg_box, brick_shape)
seg_box_s0 = seg_box * 2**scale
seg_box_s5 = seg_box // 2**(5 - scale)
with Timer(
f"Fetching mask for ROI '{roi}' ({seg_box_s0[:, ::-1].tolist()})",
logger):
roi_mask_s5, _ = fetch_roi(server,
uuid,
roi,
format='mask',
mask_box=seg_box_s5)
# SBM 'full-res' corresponds to the input service voxels, not necessarily scale-0.
sbm = SparseBlockMask.create_from_highres_mask(
roi_mask_s5, 2**(5 - scale), seg_box, brick_shape)
elif subset_labels:
try:
sbm = volume_service.sparse_block_mask_for_labels(
[*subset_labels])
if ((sbm.box[1] - sbm.box[0]) == 0).any():
raise RuntimeError(
"Could not find sparse masks for any of the subset-labels"
)
except NotImplementedError:
sbm = None
if sbm is None:
boxes = boxes_from_grid(volume_service.bounding_box_zyx,
volume_service.preferred_message_shape,
clipped=True)
return np.array([*boxes])
else:
return sbm.sparse_boxes(brick_shape)
def init_boxes(self, volume_service, subset_labels, roi):
sbm = None
if roi:
base_service = volume_service.base_service
assert isinstance(base_service, DvidVolumeService), \
"Can't specify an ROI unless you're using a dvid input"
assert isinstance(volume_service, (ScaledVolumeService, DvidVolumeService)), \
"The 'roi' option doesn't support adapters other than 'rescale-level'"
scale = 0
if isinstance(volume_service, ScaledVolumeService):
scale = volume_service.scale_delta
assert scale <= 5, \
"The 'roi' option doesn't support volumes downscaled beyond level 5"
server, uuid, _seg_instance = base_service.instance_triple
brick_shape = volume_service.preferred_message_shape
assert not (brick_shape % 2**(5-scale)).any(), \
"If using an ROI, select a brick shape that is divisible by 32"
seg_box = volume_service.bounding_box_zyx
seg_box = round_box(seg_box, brick_shape)
seg_box_s5 = seg_box // 2**(5 - scale)
with Timer(f"Fetching mask for ROI '{roi}'", logger):
roi_mask_s5, roi_box_s5 = fetch_roi(server,
uuid,
roi,
format='mask')
# Restrict to input bounding box
clipped_roi_box_s5 = box_intersection(seg_box_s5, roi_box_s5)
clipped_roi_mask_s5 = extract_subvol(
roi_mask_s5, clipped_roi_box_s5 - roi_box_s5[0])
# Align to brick grid
aligned_roi_box_s5 = round_box(clipped_roi_box_s5,
brick_shape // 2**5, 'out')
padding = (aligned_roi_box_s5 - clipped_roi_box_s5)
padding[0] *= -1
aligned_roi_mask_s5 = np.pad(clipped_roi_mask_s5,
padding.transpose())
# At the service native scale
aligned_roi_box = (2**(5 - scale) * aligned_roi_box_s5)
logger.info(
f"Brick-aligned ROI '{roi}' has bounding-box {aligned_roi_box[:, ::-1].tolist()}"
)
# SBM 'full-res' corresponds to the input service voxels, not necessarily scale-0.
sbm = SparseBlockMask.create_from_highres_mask(
aligned_roi_mask_s5, 2**(5 - scale), aligned_roi_box,
brick_shape)
elif subset_labels:
try:
sbm = volume_service.sparse_block_mask_for_labels(
[*subset_labels])
if ((sbm.box[1] - sbm.box[0]) == 0).any():
raise RuntimeError(
"Could not find sparse masks for any of the subset-labels"
)
except NotImplementedError:
sbm = None
if sbm is None:
boxes = boxes_from_grid(volume_service.bounding_box_zyx,
volume_service.preferred_message_shape,
clipped=True)
return np.array([*boxes])
else:
boxes = sbm.sparse_boxes(brick_shape)
boxes = np.array(boxes)
# Clip
boxes[:, 0, :] = np.maximum(volume_service.bounding_box_zyx[0],
boxes[:, 0, :])
boxes[:, 1, :] = np.minimum(volume_service.bounding_box_zyx[1],
boxes[:, 1, :])
assert (boxes[:,0,:] < boxes[:,1,:]).all(), \
"After cropping to input volume, some bricks disappeared."
return boxes