miri lrs specwcs datamodel

src/stdatamodels/jwst/datamodels/__init__.py

@@ -86,7 +86,7 @@
                              RegionsModel, WavelengthrangeModel, CameraModel, CollimatorModel, OTEModel,
                              FOREModel, FPAModel, IFUPostModel, IFUFOREModel, IFUSlicerModel, MSAModel,
                              FilteroffsetModel, DisperserModel, NIRCAMGrismModel, NIRISSGrismModel,
-                             WaveCorrModel)
+                             WaveCorrModel, MIRILrsModel)
 from .wfssbkg import WfssBkgModel
 from .util import open
 

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

@@ -0,0 +1,109 @@
+%YAML 1.1
+---
+$schema: "http://stsci.edu/schemas/asdf/asdf-schema-1.1.0"
+id: "http://stsci.edu/schemas/jwst_datamodel/specwcs_miri_lrs.schema"
+title: MIRI LRS Spec Schema
+allOf:
+- $ref: referencefile.schema
+- $ref: keyword_pexptype.schema
+- $ref: keyword_exptype.schema
+- $ref: keyword_readpatt.schema
+- $ref: keyword_filter.schema
+- $ref: keyword_band.schema
+- $ref: subarray.schema
+- type: object
+  properties:
+    wave_table:
+      title: Wavelengths and x, y locations of wavelengths
+      fits_hdu: WAVETABLE
+      datatype:
+      - name: x_center
+        datatype: float32
+        unit: pixels
+      - name: y_center
+        datatype: float32
+        unit: pixels
+      - name: wavelength
+        datatype: float32
+        unit: microns
+      - name: x0
+        datatype: float32
+        unit: pixels
+      - name: y0
+        datatype: float32
+        unit: pixels
+      - name: x1
+        datatype: float32
+        unit: pixels
+      - name: y1
+        datatype: float32
+        unit: pixels
+      - name: x2
+        datatype: float32
+        unit: pixels
+      - name: y2
+        datatype: float32
+        unit: pixels
+      - name: x3
+        datatype: float32
+        unit: pixels
+      - name: y3
+        datatype: float32
+        unit: pixels
+- type: object
+  properties:
+    meta:
+      type: object
+      properties:
+        x_ref:
+          type: number
+          title: x coord of ref position of MIRIM_SLIT
+          default: pixels
+          fits_keyword: IMX
+        y_ref:
+          type: number
+          title: y coord of ref position of MIRIM_SLIT
+          default: pixels
+          fits_keyword: IMY
+        x_ref_slitless:
+          type: number
+          title: x coord of ref position of MIRIM_SLITLESS
+          default: pixels
+          fits_keyword: IMXSLTL
+        y_ref_slitless:
+          type: number
+          title: y coord of ref position of MIRIM_SLITLESS
+          default: pixels
+          fits_keyword: IMYSLTL
+        v2_vert1:
+          type: number
+          title: Slit vertex 1 in V2 frame
+          fits_keyword: V2VERT1
+        v2_vert2:
+          type: number
+          title: Slit vertex 2 in V2 frame
+          fits_keyword: V2VERT2
+        v2_vert3:
+          type: number
+          title: Slit vertex 3 in V2 frame
+          fits_keyword: V2VERT3
+        v2_vert4:
+          type: number
+          title: Slit vertex 4 in V2 frame
+          fits_keyword: V2VERT4
+        v3_vert1:
+          type: number
+          title: Slit vertex 1 in V3 frame
+          fits_keyword: V3VERT1
+        v3_vert2:
+          type: number
+          title: Slit vertex 2 in V3 frame
+          fits_keyword: V3VERT2
+        v3_vert3:
+          type: number
+          title: Slit vertex 3 in V3 frame
+          fits_keyword: V3VERT3
+        v3_vert4:
+          type: number
+          title: Slit vertex 4 in V3 frame
+          fits_keyword: V3VERT4

src/stdatamodels/jwst/datamodels/wcs_ref_models.py

@@ -13,7 +13,7 @@
            'WavelengthrangeModel', 'CameraModel', 'CollimatorModel', 'OTEModel',
            'FOREModel', "FPAModel", 'IFUPostModel', 'IFUFOREModel', 'IFUSlicerModel',
            'MSAModel', 'FilteroffsetModel', 'DisperserModel',
-           'NIRCAMGrismModel', 'NIRISSGrismModel', 'WaveCorrModel']
+           'NIRCAMGrismModel', 'NIRISSGrismModel', 'WaveCorrModel', 'MIRILrsModel']
 
 
 class _SimpleModel(ReferenceFileModel):
@@ -343,6 +343,43 @@ def to_fits(self):
         raise NotImplementedError("FITS format is not supported for this file.")
 
 
+class MIRILrsModel(ReferenceFileModel):
+    """
+    A model for a reference file of type "specwcs" for MIRI LRS Slit.
+
+    Parameters
+    ----------
+    x_ref : float
+         x coordinate of reference position of fixed slit aperture
+    y_ref : float
+        y coordinate of reference position of fixed slit aperture
+    x_ref_slitless : float
+         x coordinate of reference position of slitless aperture
+    y_ref_slitless : float
+        y coordinate of reference position of slitless aperture
+    v2vert1 : float
+        slit vertex 1 in V2 frame
+    v2vert2 : float
+        slit vertex 2 in V2 frame
+    v2vert3 : float
+        slit vertex 3 in V2 frame
+    v2vert4 : float
+        slit vertex 4 in V2 frames
+    v3vert1 : float
+        slit vertex 1 in V3 frames
+    v3vert2 : float
+        slit vertex 2 in V3 frames
+    v3vert3 : float
+        slit vertex 3 in V3 frames
+    v3vert4 : float
+        slit vertex 4 in V3 frames
+    wavetable : numpy  2-D array
+        For each row in the slit hold  wavelength, and 
+        x center, ycenter, x and y box region cooresponding to the wavelength
+    """
+    schema_url = "http://stsci.edu/schemas/jwst_datamodel/specwcs_miri_lrs.schema"
+    reftype = "specwcs"
+
 class RegionsModel(ReferenceFileModel):
     """
     A model for a reference file of type "regions".