RAD-122: L3 DataModel Schemas (#241)

* Save.

* Initial implementation.

* hanged context to unsigned int.

* Addressed PR comment.

* Rebase and update Changelog.

* Simplified units to only astropy supported ones.

---------

Co-authored-by: Nadia Dencheva <[email protected]>

CHANGES.rst

@@ -28,9 +28,12 @@
 - Remove the unused ``pixelarea-1.0.0`` schema, which was replaced by the
   ``reference_files/pixelarea-1.0.0`` schema. [#245]
 
+- Added support for level 3 mosaic model. [#241]
+
 - Add further restrictions to the ``patternProperties`` keywords in the
   ``wfi_img_photom`` schema. [#254]
 
+
 0.14.2 (2023-03-31)
 -------------------
 

src/rad/resources/manifests/datamodels-1.0.yaml

@@ -34,6 +34,11 @@ tags:
   title: Wfi level 2 image information
   description: |-
     Wfi level 2 image information
+- tag_uri: asdf://stsci.edu/datamodels/roman/tags/wfi_mosaic-1.0.0
+  schema_uri: asdf://stsci.edu/datamodels/roman/schemas/wfi_mosaic-1.0.0
+  title: Wfi level 3 mosiac information
+  description: |-
+    Wfi level 3 mosaic information
 - tag_uri: asdf://stsci.edu/datamodels/roman/tags/wfi_mode-1.0.0
   schema_uri: asdf://stsci.edu/datamodels/roman/schemas/wfi_mode-1.0.0
   title: Roman WFI Instrument Mode
@@ -47,9 +52,9 @@ tags:
     Exposure information
 - tag_uri: asdf://stsci.edu/datamodels/roman/tags/program-1.0.0
   schema_uri: asdf://stsci.edu/datamodels/roman/schemas/program-1.0.0
-  title: Xprogram information
+  title: Program information
   description: |-
-    Xprogram information
+    Program information
 - tag_uri: asdf://stsci.edu/datamodels/roman/tags/observation-1.0.0
   schema_uri: asdf://stsci.edu/datamodels/roman/schemas/observation-1.0.0
   title: Observation information
@@ -115,6 +120,11 @@ tags:
   title: Calibration Step status information
   description: |-
     Calibration Step status information
+- tag_uri: asdf://stsci.edu/datamodels/roman/tags/resample-1.0.0
+  schema_uri: asdf://stsci.edu/datamodels/roman/schemas/resample-1.0.0
+  title: Resample information
+  description: |-
+    Resample information
 # Reference Modules
 - tag_uri: asdf://stsci.edu/datamodels/roman/tags/reference_files/dark-1.0.0
   schema_uri: asdf://stsci.edu/datamodels/roman/schemas/reference_files/dark-1.0.0

src/rad/resources/schemas/resample-1.0.0.yaml

@@ -0,0 +1,28 @@
+%YAML 1.1
+---
+$schema: asdf://stsci.edu/datamodels/roman/schemas/rad_schema-1.0.0
+id: asdf://stsci.edu/datamodels/roman/schemas/resample-1.0.0
+
+title: Resample information
+type: object
+properties:
+  pixel_scale_ratio:
+    title: Pixel Scale Ratio of resample to input scale
+    type: number
+  pixfrac:
+    title: Fraction of pixel to use for pixel convolution
+    type: number
+  pointings:
+    title: Number of pointings in the resample
+    type: integer
+  product_exposure_time:
+    title: Total exposure time for resample product
+    type: number
+  weight_type:
+    title: Drizzle weight type for resample
+    type: string
+    enum: ["exptime", "ivm"]
+propertyOrder: [pixel_scale_ratio, pixfrac, pointings, product_exposure_time, weight_type]
+flowStyle: block
+required: [pixel_scale_ratio, pixfrac, pointings, product_exposure_time, weight_type]
+...

src/rad/resources/schemas/wfi_mosaic-1.0.0.yaml

@@ -0,0 +1,89 @@
+%YAML 1.1
+---
+$schema: asdf://stsci.edu/datamodels/roman/schemas/rad_schema-1.0.0
+id: asdf://stsci.edu/datamodels/roman/schemas/wfi_mosaic-1.0.0
+
+title: |
+  The schema for WFI Level 3 mosaics.
+
+type: object
+properties:
+  meta:
+    allOf:
+      - $ref: common-1.0.0
+      - type: object
+        properties:
+          # Placeholder for 'asn' schema tag
+          # Placeholder for 'dither' schema tag
+          photometry:
+            tag: asdf://stsci.edu/datamodels/roman/tags/photometry-1.0.0
+          resample:
+            tag: asdf://stsci.edu/datamodels/roman/tags/resample-1.0.0
+        required: [photometry]
+  data:
+    title: Science data, excluding border reference pixels.
+    tag: tag:stsci.edu:asdf/unit/quantity-1.1.0
+    properties:
+      value:
+        tag: tag:stsci.edu:asdf/core/ndarray-1.0.0
+        datatype: float32
+        ndim: 2
+      unit:
+        tag: tag:astropy.org:astropy/units/unit-1.0.0
+        enum: ["electron / s"]
+  err:
+    tag: tag:stsci.edu:asdf/unit/quantity-1.1.0
+    properties:
+      value:
+        tag: tag:stsci.edu:asdf/core/ndarray-1.0.0
+        datatype: float32
+        ndim: 2
+      unit:
+        tag: tag:astropy.org:astropy/units/unit-1.0.0
+        enum: ["electron / s"]
+  context:
+    tag: tag:stsci.edu:asdf/core/ndarray-1.0.0
+    datatype: uint32
+    ndim: 3
+  weight:
+    tag: tag:stsci.edu:asdf/core/ndarray-1.0.0
+    datatype: float32
+    ndim: 2
+  var_poisson:
+    tag: tag:stsci.edu:asdf/unit/quantity-1.1.0
+    properties:
+      value:
+        tag: tag:stsci.edu:asdf/core/ndarray-1.0.0
+        datatype: float32
+        ndim: 2
+      unit:
+        tag: tag:astropy.org:astropy/units/unit-1.0.0
+        enum: ["electron2 / s2"]
+  var_rnoise:
+    tag: tag:stsci.edu:asdf/unit/quantity-1.1.0
+    properties:
+      value:
+        tag: tag:stsci.edu:asdf/core/ndarray-1.0.0
+        datatype: float32
+        ndim: 2
+      unit:
+        tag: tag:astropy.org:astropy/units/unit-1.0.0
+        enum: ["electron2 / s2"]
+  var_flat:
+    tag: tag:stsci.edu:asdf/unit/quantity-1.1.0
+    properties:
+      value:
+        tag: tag:stsci.edu:asdf/core/ndarray-1.0.0
+        datatype: float32
+        ndim: 2
+      unit:
+        tag: tag:astropy.org:astropy/units/unit-1.0.0
+        enum: ["electron2 / s2"]
+  cal_logs:
+    tag: asdf://stsci.edu/datamodels/roman/tags/cal_logs-1.0.0
+propertyOrder: [meta, data, context, err, weight, var_poisson, var_rnoise, var_flat,
+                cal_logs]
+flowStyle: block
+required: [meta, data, context, err, weight, var_poisson, var_rnoise, var_flat,
+           cal_logs]
+...