Source code for jwst.datamodels.cube

from .model_base import JwstDataModel


__all__ = ['CubeModel']


[docs]class CubeModel(JwstDataModel): """ A data model for 3D image cubes. Parameters __________ data : numpy float32 array The science data dq : numpy uint32 array Data quality array err : numpy float32 array Error array zeroframe : numpy float32 array Zero frame array area : numpy float32 array Pixel area map array int_times : numpy table table of times for each integration wavelength : numpy float32 array Wavelength array var_poisson : numpy float32 array Integration-specific variances of slope due to Poisson noise var_rnoise : numpy float32 array Integration-specific variances of slope due to read noise """ schema_url = "http://stsci.edu/schemas/jwst_datamodel/cube.schema" def __init__(self, init=None, **kwargs): super(CubeModel, self).__init__(init=init, **kwargs) # Implicitly create arrays self.dq = self.dq self.err = self.err
[docs] def to_container(self): """Convert to a ModelContainer of ImageModels for each plane""" from jwst.datamodels import ImageModel, ModelContainer container = ModelContainer() for plane in range(self.shape[0]): image = ImageModel() for attribute in [ 'data', 'dq', 'err', 'zeroframe', 'area', 'var_poisson', 'var_rnoise', 'var_flat' ]: try: setattr(image, attribute, self.getarray_noinit(attribute)[plane]) except AttributeError: pass image.update(self) try: image.meta.wcs = self.meta.wcs except AttributeError: pass container.append(image) return container