Source code for jwst.datamodels.ramp

import numpy as np

from .model_base import JwstDataModel
from ..lib.basic_utils import deprecate_class

__all__ = ['RampModel']


[docs]class RampModel(JwstDataModel): """ A data model for 4D ramps. Parameters __________ data : numpy float32 array The science data pixeldq : numpy uint32 array 2-D data quality array for all planes groupdq : numpy uint8 array 4-D data quality array for each plane err : numpy float32 array Error array zeroframe : numpy float32 array Zeroframe array group : numpy table group parameters table int_times : numpy table table of times for each integration """ schema_url = "http://stsci.edu/schemas/jwst_datamodel/ramp.schema" def __init__(self, init=None, **kwargs): super(RampModel, self).__init__(init=init, **kwargs) # Implicitly create arrays self.pixeldq = self.pixeldq self.groupdq = self.groupdq self.err = self.err if isinstance(init, tuple) or self.meta.exposure.zero_frame is True: try: self.getarray_noinit("zeroframe") except AttributeError: # If "zeroframe" is not in the instance, create a zero array with # the correct dimensions. nints, ngroups, nrows, ncols = self.data.shape dims = (nints, nrows, ncols) self.zeroframe = np.zeros(dims, dtype=self.data.dtype)
[docs]@deprecate_class(RampModel) class MIRIRampModel: """A data model for 4D MIRI ramps. This model has been deprecated. Please use `RampModel` instead. """