High cadence scans

examples/run_tiny_tests.sh

@@ -17,7 +17,7 @@ set -e
 # * updated `TOASTDATACOMMIT` below to the latest commit
 # * run `run_tiny_tests.sh` again and check that the test passes
 
-TOASTDATACOMMIT=d50dfea8a1d939bfc4681171198f5c31eed5fee7
+TOASTDATACOMMIT=6db99526a590fbbbd858eddbdcc5cd54f1e6d385
 
 if [ "x${TYPES}" = "x" ]; then
     TYPES="satellite ground ground_simple ground_multisite"

pipelines/toast_ground_sim.py

@@ -235,6 +235,7 @@ def create_observation(args, comm, telescope, ces, verbose=True):
             el=ces.el,
             scanrate=args.scan_rate,
             scan_accel=args.scan_accel,
+            sinc_modulation=args.scan_sinc_modulate,
             CES_start=None,
             CES_stop=None,
             sun_angle_min=args.sun_angle_min,

pipelines/toast_ground_sim_simple.py

@@ -280,6 +280,7 @@ def create_observations(args, comm, schedule):
                 el=ces.el,
                 scanrate=args.scan_rate,
                 scan_accel=args.scan_accel,
+                sinc_modulation=args.scan_sinc_modulate,
                 CES_start=None,
                 CES_stop=None,
                 sun_angle_min=args.sun_angle_min,

src/toast/pipeline_tools/madam.py

@@ -338,6 +338,16 @@ def setup_madam(args):
     pars["fsample"] = args.sample_rate
     pars["iter_max"] = args.madam_iter_max
     pars["file_root"] = args.madam_prefix
+
+    # Translate boolean values.  Madam knows how to do this but it
+    # simplifies pipeline_tools/madam.py
+
+    for key, value in pars.items():
+        if value == "T":
+            pars[key] = True
+        elif value == "F":
+            pars[key] = False
+
     return pars
 
 

src/toast/pipeline_tools/todground.py

@@ -124,6 +124,22 @@ def add_todground_args(parser):
         type=np.float,
         help="Scanning rate change [deg / s^2]",
     )
+    parser.add_argument(
+        "--scan-sinc-modulate",
+        required=False,
+        action="store_true",
+        help="Modulate scan rate so integration depth is constant at "
+        "all declinations.  The --scan-rate becomes the *minimum* scan rate.",
+        dest="scan_sinc_modulate",
+    )
+    parser.add_argument(
+        "--no-scan-sinc-modulate",
+        required=False,
+        action="store_false",
+        help="Use constant sky scan rate according to --scan-rate.",
+        dest="scan_sinc_modulate",
+    )
+    parser.set_defaults(scan_sinc_modulate=False)
     parser.add_argument(
         "--sun-angle-min",
         required=False,
@@ -183,7 +199,7 @@ def add_todground_args(parser):
         "--sort-schedule",
         required=False,
         action="store_true",
-        help="Reorder the observing schedule so that observations of the"
+        help="Reorder the observing schedule so that observations of the "
         "same patch are consecutive.  This will reduce the sky area observed "
         "by individual process groups.",
         dest="sort_schedule",
@@ -192,7 +208,7 @@ def add_todground_args(parser):
         "--no-sort-schedule",
         required=False,
         action="store_false",
-        help="Do not reorder the observing schedule so that observations of the"
+        help="Do not reorder the observing schedule so that observations of the "
         "same patch are consecutive.",
         dest="sort_schedule",
     )