add schema and model for nrm reference file (#253)

CHANGES.rst

@@ -13,7 +13,7 @@ Bug Fixes
 Changes to API
 --------------
 
--
+- Add ``NRMModel`` for new NIRISS NRM reference file [#253]
 
 Other
 -----

src/stdatamodels/jwst/datamodels/__init__.py

@@ -46,6 +46,7 @@
 from .multislit import MultiSlitModel
 from .multispec import MultiSpecModel
 from .nirspec_flat import NirspecFlatModel, NirspecQuadFlatModel
+from .nrm import NRMModel
 from .outlierpars import OutlierParsModel
 from .outlierifuoutput import OutlierIFUOutputModel
 from .pathloss import PathlossModel, MirLrsPathlossModel
@@ -98,6 +99,7 @@
     'AmiLgModel',
     'AmiLgFitModel',
     'AmiOIModel',
+    'NRMModel',
     'FgsImgApcorrModel', 'MirImgApcorrModel', 'NrcImgApcorrModel', 'NisImgApcorrModel',
     'MirLrsApcorrModel', 'MirMrsApcorrModel', 'NrcWfssApcorrModel', 'NisWfssApcorrModel',
     'NrsMosApcorrModel', 'NrsFsApcorrModel', 'NrsIfuApcorrModel',

src/stdatamodels/jwst/datamodels/nrm.py

@@ -0,0 +1,16 @@
+from .reference import ReferenceFileModel
+
+
+__all__ = ['NRMModel']
+
+
+class NRMModel(ReferenceFileModel):
+    """
+    A data model for Non-Redundant Mask.
+
+    Parameters
+    __________
+    nrm : numpy float32 array
+         Non-Redundant Mask
+    """
+    schema_url = "http://stsci.edu/schemas/jwst_datamodel/nrm.schema"

src/stdatamodels/jwst/datamodels/schemas/core.schema.yaml

@@ -2028,6 +2028,15 @@ properties:
                 type: string
                 fits_keyword: R_MRSPT
                 blend_table: True
+          nrm:
+            title: Non-Redundant mask reference file information
+            type: object
+            properties:
+              name:
+                title: Non-Redundant mask reference file name
+                type: string
+                fits_keyword: R_NRM
+                blend_table: True
           ote:
             title: Nirspec OTE Model reference file information
             type: object

src/stdatamodels/jwst/datamodels/schemas/nrm.schema.yaml

@@ -0,0 +1,15 @@
+%YAML 1.1
+---
+$schema: "http://stsci.edu/schemas/fits-schema/fits-schema"
+id: "http://stsci.edu/schemas/jwst_datamodel/nrm.schema"
+title: Non-Redundant Mask data model
+allOf:
+- $ref: referencefile.schema
+- $ref: keyword_exptype.schema
+- type: object
+  properties:
+    nrm:
+      title: Non-Redundant Mask
+      fits_hdu: NRM
+      ndim: 2
+      datatype: float32

src/stdatamodels/jwst/datamodels/tests/test_schema_against_crds.py

@@ -145,6 +145,7 @@ def flatten(xs):
     'mrsptcorr': dm.MirMrsPtCorrModel,
     'msa': dm.MSAModel,
     'msaoper': None,
+    'nrm': dm.NRMModel,
     'ote': dm.OTEModel,
     'persat': dm.PersistenceSatModel,
     'psfmask': dm.PsfMaskModel,