Removing zcs.

Fix tests. Update docs.
lsst-ts · Dec 13, 2023 · 2d791c7 · 2d791c7
1 parent a188b5d
commit 2d791c7
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Showing 6 changed files with 34 additions and 84 deletions.
diff --git a/doc/versionHistory.rst b/doc/versionHistory.rst
@@ -6,6 +6,13 @@
 Version History
 ##################
 
+-------------
+0.9.0
+-------------
+
+* Remove ZCS coordinate system and transition to CCS.
+* Update bending modes to latest versions in batoid_rubin.
+
 -------------
 0.8.4
 -------------

diff --git a/python/lsst/ts/imsim/closed_loop_task.py b/python/lsst/ts/imsim/closed_loop_task.py
@@ -900,52 +900,15 @@ def run_wep(
             )
 
             sensor_wavefront_data = SensorWavefrontError()
-            # Rotate from CCS to ZCS/PCS (Phosim Coordinate System)
-            rotated_name = self.rotate_det_name_ccs_to_zcs(
-                det_id_map[dataset.dataId["detector"]].getName()
-            )
-            sensor_wavefront_data.sensor_name = rotated_name
-            sensor_wavefront_data.sensor_id = det_name_map[rotated_name].getId()
+            sensor_name = det_id_map[dataset.dataId["detector"]].getName()
+            sensor_wavefront_data.sensor_name = sensor_name
+            sensor_wavefront_data.sensor_id = det_name_map[sensor_name].getId()
             sensor_wavefront_data.annular_zernike_poly = zer_coeff
 
             list_of_wf_err.append(sensor_wavefront_data)
 
         return list_of_wf_err
 
-    def rotate_det_name_ccs_to_zcs(self, det_name: str) -> str:
-        """Rotate the sensor name from CCS (Camera Coordinate System)
-        to the ZCS (Zemax Coordinate System) that OFC expects.
-
-        Parameters
-        ----------
-        det_name : str
-            Detector name in CCS.
-
-        Returns
-        -------
-        str
-            Detector expected at that location in ZCS.
-        """
-        raft, sensor = det_name.split("_")
-        cam_rx = int(raft[1]) - 2
-        cam_ry = int(raft[2]) - 2
-
-        zcs_rx = -cam_rx
-        zcs_ry = cam_ry
-
-        zcs_raft = f"R{zcs_rx + 2}{zcs_ry + 2}"
-
-        if sensor.startswith("SW"):
-            zcs_sensor = sensor
-        else:
-            cam_sx = int(sensor[1]) - 1
-            cam_sy = int(sensor[2]) - 1
-            zcs_sx = -cam_sx
-            zcs_sy = cam_sy
-            zcs_sensor = f"S{zcs_sx + 1}{zcs_sy + 1}"
-
-        return f"{zcs_raft}_{zcs_sensor}"
-
     def write_wep_configuration(
         self, inst_name: str, pipeline_yaml_path: str, filter_type_name: str
     ) -> None:

diff --git a/python/lsst/ts/imsim/opd_metrology.py b/python/lsst/ts/imsim/opd_metrology.py
@@ -77,10 +77,6 @@ def set_default_lsst_wfs_gq(self) -> None:
         self.wt = np.array([1.0, 1.0, 1.0, 1.0])
         wfs_field_x, wfs_field_y, sensor_ids = self.get_default_lsst_wfs_gq()
         self.field_x, self.field_y = (wfs_field_x, wfs_field_y)
-        # Convert from CCS to ZCS for current OFC
-        # TODO: Remove this conversion when ts_ofc
-        # sensitivity matrix is updated.
-        self.field_x = -1.0 * np.array(self.field_x)
         self.sensor_ids = sensor_ids
 
     def get_default_lsst_wfs_gq(self) -> tuple[list[float], list[float], list[int]]:
@@ -170,18 +166,13 @@ def set_wgt_and_field_xy_of_gq(self, inst_name: str) -> None:
             field_x.append(np.degrees(det_center[1]))
         self.field_x = np.array(field_x)
         self.field_y = np.array(field_y)
-        # Convert from CCS to ZCS for current OFC
-        # TODO: Remove this conversion when ts_ofc
-        # sensitivity matrix is updated.
-        self.field_x = -1.0 * self.field_x
 
     def get_zk_from_opd(
         self,
         opd_fits_file: str | None = None,
         opd_map: np.ndarray | None = None,
         zk_terms: int = 22,
         obscuration: float = 0.61,
-        flip_lr: bool = True,
     ) -> tuple[np.ndarray, np.ndarray, np.ndarray, np.ndarray]:
         """Get the wavefront error of OPD in the basis of annular Zernike
         polynomials.
@@ -199,12 +190,6 @@ def get_zk_from_opd(
             is 22.)
         obscuration : float, optional
             Obscuration of annular Zernike polynomial. (the default is 0.61.)
-        flip_lr : bool, optional
-            Flip the opd image in the left-right direction. Currently
-            this flip is needed in the closed loop because ts_ofc
-            has a sensitivity matrix in the Zemax Coordinate System
-            instead of the Camera Coordinate System. This will be removed
-            when ts_ofc changes to use the CCS. (the default is True.)
 
         Returns
         -------
@@ -228,9 +213,6 @@ def get_zk_from_opd(
             opd = fits.getdata(opd_fits_file)
         elif opd_map is not None:
             opd = opd_map.copy()
-        # TODO: Remove when OFC moves to CCS instead of ZCS
-        if flip_lr is True:
-            opd = np.fliplr(opd)
 
         # Check the x, y dimensions of OPD are the same
         if np.unique(opd.shape).size != 1:

diff --git a/tests/testData/imsimConfig/imsimConfigLsstCam.yaml b/tests/testData/imsimConfig/imsimConfigLsstCam.yaml
@@ -71,8 +71,6 @@ input:
     # There's a whole suite of FEA perturbations available (same as ts_phosim)
     # Details in the telescope_loader.py file linked above.
     fea:
-      bend_dir: bend_legacy
-      fea_dir: fea_legacy
       m1m3_gravity:  # gravitational flexure of M1M3
         zenith: *zenith
       m1m3_temperature:
@@ -369,11 +367,11 @@ output:
       # Coordinates are parallel to the OCS (https://sitcomtn-003.lsst.io/#the-optical-coordinate-system)
       # when rotTelPos just above is set to zero, or parallel to the CCS when rotTelPos is set
       # to the camera rotator angle.
-    - thx: 1.1902777777777778 deg
-      thy: -1.1902777777777778 deg
-    - thx: 1.1902777777777778 deg
-      thy: 1.1902777777777778 deg
     - thx: -1.1902777777777778 deg
       thy: -1.1902777777777778 deg
     - thx: -1.1902777777777778 deg
       thy: 1.1902777777777778 deg
+    - thx: 1.1902777777777778 deg
+      thy: -1.1902777777777778 deg
+    - thx: 1.1902777777777778 deg
+      thy: 1.1902777777777778 deg
diff --git a/tests/testData/opd/opd.zer b/tests/testData/opd/opd.zer
@@ -1,19 +1,19 @@
 # The followings are OPD in rotation angle of -0.00 degree in nm from z4 to z22:
-191: [-4.15577837e+02 -4.03053050e+02  6.19438978e+02 -4.44665578e+00
- -1.00741331e+01  3.55263409e+01  9.61023230e+00  1.44900235e-01
- -1.02512184e+00  3.99302251e+01  9.81672032e+00 -1.09511113e+02
-  1.01009395e+00 -1.03280016e+00 -2.30629852e+00  2.55961095e+01
-  1.29456402e+00  3.40161544e+01 -1.13822260e+01]
-195: [-407.96514385   69.61576656  631.04232073   50.49126701   -7.97330041
-  252.35981927  -30.87974042   -3.93741576   17.25916179  -25.49876989
-   19.17288935 -113.36121766   -2.97981464   -6.73377281   -6.2956465
-  -31.79557922   14.85384164   29.62548445  -10.81317459]
-199: [-406.87545247   43.41883523  678.05355873    3.63692016   43.14243043
-   22.29089894 -180.82275562   -5.65229654  -21.64993839  -22.26986463
-    3.69490561 -103.41585077   -7.4490198     3.37207099   42.23624375
-   17.04691       4.30762799   23.83670381  -10.49902789]
-203: [-3.89941394e+02 -2.85791837e+02  6.41296675e+02  3.26727427e+01
-  3.35857590e+01  1.90287712e+02 -1.75210163e+02 -1.06136662e+01
- -1.22732198e+01  2.09839551e+01  4.17355247e-01 -1.08153979e+02
- -5.16252005e+00 -1.42877583e+00  3.38332003e+01 -2.19601267e+01
-  5.94293965e+00  3.59018468e+01 -8.63500688e+00]
+191: [-4.15577837e+02 4.03053050e+02  6.19438978e+02 -4.44665578e+00
+ 1.00741331e+01  3.55263409e+01  -9.61023230e+00  1.44900235e-01
+ -1.02512184e+00  -3.99302251e+01  9.81672032e+00 1.09511113e+02
+  -1.01009395e+00 -1.03280016e+00 2.30629852e+00  2.55961095e+01
+  -1.29456402e+00  3.40161544e+01 -1.13822260e+01]
+195: [-407.96514385   -69.61576656  631.04232073   50.49126701   7.97330041
+  252.35981927  30.87974042   -3.93741576   17.25916179  25.49876989
+   19.17288935 113.36121766   2.97981464   -6.73377281   6.2956465
+  -31.79557922   -14.85384164   29.62548445  -10.81317459]
+199: [-406.87545247   -43.41883523  678.05355873    3.63692016   -43.14243043
+   22.29089894 180.82275562   -5.65229654  -21.64993839  22.26986463
+    3.69490561 103.41585077   7.4490198     3.37207099   -42.23624375
+   17.04691       -4.30762799   23.83670381  -10.49902789]
+203: [-3.89941394e+02 2.85791837e+02  6.41296675e+02  3.26727427e+01
+  -3.35857590e+01  1.90287712e+02 1.75210163e+02 -1.06136662e+01
+ -1.22732198e+01  -2.09839551e+01  4.17355247e-01 1.08153979e+02
+ 5.16252005e+00 -1.42877583e+00  -3.38332003e+01 -2.19601267e+01
+  -5.94293965e+00  3.59018468e+01 -8.63500688e+00]
diff --git a/tests/test_imsim_cmpt.py b/tests/test_imsim_cmpt.py
@@ -128,7 +128,7 @@ def test_format_opd_text_lsst_cam(self):
         self.assertTrue(opd_text.startswith("  opd:"))
         self.assertTrue(
             opd_text.endswith(
-                "- {thx: -1.1902777777777778 deg, thy: 1.1902777777777778 deg}\n"
+                "- {thx: 1.1902777777777778 deg, thy: 1.1902777777777778 deg}\n"
             )
         )
 
@@ -242,7 +242,7 @@ def test_rotate_opd_data(self):
             )
 
             np.testing.assert_almost_equal(
-                galsim_zernikes.rotate(np.deg2rad(-rotation_angle)).coef[4:],
+                galsim_zernikes.rotate(np.deg2rad(rotation_angle)).coef[4:],
                 zerinkes_rotation_0[idx, :],
                 decimal=1,
             )