Move point_target_info utility into isce3 namespace. (#936)

* Move point_target_info utility into isce3 namespace.

* Move into isce3.signal namespace.

* Update a neglected import path.

Author: bhawkins

python/packages/isce3/signal/__init__.py

@@ -1 +1,2 @@
 from pybind_isce3.signal import *
+from . import point_target_info

python/packages/nisar/workflows/point_target_info.py renamed to python/packages/isce3/signal/point_target_info.py

@@ -8,8 +8,7 @@
 import json
 
 from ...focus.backproject import load_h5
-from nisar.workflows.point_target_info import (analyze_point_target,
-                                                      tofloatvals)
+from isce3.signal.point_target_info import analyze_point_target, tofloatvals
 
 c = isce.core.speed_of_light
 

tests/python/extensions/pybind/cuda/focus/backproject.py

@@ -7,8 +7,7 @@
 from pathlib import Path
 import json
 
-from nisar.workflows.point_target_info import (analyze_point_target,
-                                                      tofloatvals)
+from isce3.signal.point_target_info import analyze_point_target, tofloatvals
 
 c = isce.core.speed_of_light
 

tests/python/extensions/pybind/focus/backproject.py

@@ -1,5 +1,6 @@
 set(TESTFILES
 isce3/core/gpu_check.py
+isce3/signal/point_target_info.py
 isce3/unwrap/snaphu.py
 nisar/products/readers/attitude.py
 nisar/products/readers/orbit.py
@@ -15,7 +16,6 @@ nisar/workflows/insar.py
 nisar/workflows/filter_interferogram.py
 nisar/workflows/bandpass_insar.py
 nisar/workflows/process_args.py
-nisar/workflows/point_target_info.py
 nisar/workflows/rdr2geo.py
 nisar/workflows/resample_slc.py
 nisar/workflows/unwrap.py

tests/python/packages/CMakeLists.txt

@@ -1,7 +1,7 @@
 import iscetest
 import numpy as np
 import numpy.testing as npt
-from nisar.workflows import point_target_info as pt
+from isce3.signal import point_target_info as pt
 
 def test_islr_pslr():
     num_pts = 2000