ReclassTransformer

class ReclassTransformer

Bases: RasterTransformer

Maps class IDs in a label raster to other values.

__init__(mapping: dict[int, int])

Constructor.

Parameters:

mapping (dict[int, int]) – Remapping dictionary, value_from–>value_to.

Methods

__init__(mapping)	Constructor.
get_out_channels(in_channels)	Number of channels in output of transform().
get_out_dtype(in_dtype)	dtype of the output of transform().
transform(chip)	Reclassify a label raster using the given mapping.

__init__(mapping: dict[int, int])

Constructor.

Parameters:

mapping (dict[int, int]) – Remapping dictionary, value_from–>value_to.

get_out_channels(in_channels: int) → int

Number of channels in output of transform().

Parameters:

in_channels (int) –

Return type:

int

get_out_dtype(in_dtype: dtype) → dtype

dtype of the output of transform().

Parameters:

in_dtype (dtype) –

Return type:

dtype

transform(chip: np.ndarray)

Reclassify a label raster using the given mapping.

Parameters:

chip (np.ndarray) – Array of shape (…, H, W, C).

Returns:

Array of shape (…, H, W, C)