nanover.jupyter.transform_grabbing module

class nanover.jupyter.transform_grabbing.TransformGrabData(*, transform_id: str, transform_initial_matrix: NDArray, offset_matrix: NDArray, translate: bool = True, rotate: bool = True, scale: bool = True, data: TData | None)

Bases: Generic

data: TData | None

offset_matrix: NDArray

rotate: bool = True

scale: bool = True

transform_id: str

transform_initial_matrix: NDArray

translate: bool = True

class nanover.jupyter.transform_grabbing.TransformGrabbingContext(utilities: NanoverServerUtilities)

Bases: Generic

add_grab(key: str, grab: TransformGrabData)

cursor_in_object_parent_matrix(cursor: dict, object: str)

Return the matrix of the cursor relative to the parent of given transform.

end_grab(key: str)

end_grab_from_cursor(key: str, *, cursor: dict)

classmethod from_utilities(utilities: NanoverServerUtilities)

get_grab(key: str)

start_grab_from_cursor(key: str, *, transform_id: str, cursor: dict, translate=True, rotate=True, scale=True)

transform_is_grabbed(key)

update_grab_from_cursor(key: str, *, cursor: dict)

nanover.jupyter.transform_grabbing.constrain_matrix_update(next_matrix, prev_matrix, *, translate=True, rotate=True, scale=True)

Return the next matrix with any translation/rotation/scale disallowed reverted to those of the previous matrix.