Update LATISS DRP.yaml pipeline

This add tasks to the DRP.yaml file through coaddition and multiband
measurement.  These have all been tested on LATISS data, so are safe
(and desirable) to add to the pipeline used for regular processing of
LATISS runs.

pipelines/LATISS/DRP.yaml

@@ -3,13 +3,93 @@ instrument: lsst.obs.lsst.Latiss
 imports:
   - location: $DRP_PIPE_DIR/ingredients/DRP-minimal-calibration.yaml
     include:
-      - processCcd
+      - isr
+      - characterizeImage
+      - calibrate
       - writeSourceTable
       - transformSourceTable
       - consolidateSourceTable
+      - consolidateVisitSummary
+      - isolatedStarAssociation
+      - finalizeCharacterization
+      - updateVisitSummary
+      - makeCcdVisitTable
+      - makeVisitTable
+      - makeWarp
+      - assembleCoadd
+      - detection
+      - mergeDetections
+      - deblend
+      - measure
+      - mergeMeasurements
+      - writeObjectTable
+      - transformObjectTable
+      - consolidateObjectTable
+      - forcedPhotCoadd
 
 subsets:
-  sourceTable:
+  step1:
     subset:
+      - isr
+      - characterizeImage
+      - calibrate
       - writeSourceTable
       - transformSourceTable
+    description: |
+      Per-detector tasks that can be run together to start the DRP pipeline.
+      These should never be run with 'tract' or 'patch' as part of the data ID
+      expression if any later steps will also be run, because downstream steps
+      require full visits and 'tract' and 'patch' constraints will always
+      select partial visits that overlap that region (also noting that while
+      this may be moot for a single-detector camera, we would still like to
+      follow best practices envisioned for the full LSST survey).
+
+  step2:
+    subset:
+      - consolidateSourceTable
+      - consolidateVisitSummary
+      - isolatedStarAssociation
+      - finalizeCharacterization
+      - updateVisitSummary
+      - makeCcdVisitTable
+      - makeVisitTable
+    description: |
+      This is a mix of visit-level and tract-level tasks that must not be run
+      with data query constraints other than instrument.  These are tasks that
+      can be run together, but only after the 'step1' subset.
+
+      Visit-level: consolidateSourceTable, consolidateVisitSummary,
+                   finalizeCharacterization, updateVisitSummary,
+                   makeCcdVisitTable, makVisitTable
+      Tract-level: isolatedStarAssociation
+
+  step3a:
+    subset:
+      - makeWarp
+      - assembleCoadd
+      - detection
+      - mergeDetections
+      - deblend
+      - measure
+      - mergeMeasurements
+      - forcedPhotCoadd
+      - writeObjectTable
+      - transformObjectTable
+    description: |
+      Tract-level coaddition tasks.  Allowed data query constraints: tract
+      Tasks that can be run together, but only after the 'step1' and 'step2'
+      subsets.  If you do not include tract in the data query, you will get
+      tracts with only partial coverage.
+
+      This subset is considered a workaround for missing middleware and task
+      functionality.  It may be removed in the future.
+
+  step3b:
+    subset:
+      - consolidateObjectTable
+    description: |
+      Tract-level tasks.  Allowed data query constraints: tract
+      Tasks that can be run together, but only after the 'step1', 'step2', and
+      'step3a' subsets (seperation into step3a and step3b is necessary for now
+      as otherwise failues in upstream tasks will cause these to fail.  This is
+      hoped to be a temporary limitation).