implement noise correction parameter for rtcApp.

applications/rtcApp.py

@@ -192,6 +192,14 @@ GEOCODE_LIST = Application.Parameter(
      doc = "List of products to geocode."
                                       )
 
+APPLY_THERMAL_NOISE_CORRECTION = Application.Parameter(
+        'apply_thermal_noise_correction',
+        public_name='apply thermal noise correction',
+        default=False,
+        type=bool,
+        mandatory=False,
+        doc = 'Flag to apply thermal noise correction. Currently only available for Sentinel-1.')
+
 
 #Facility declarations
 REFERENCE = Application.Facility(
@@ -244,7 +252,8 @@ class GRDSAR(Application):
                       PICKLE_LOAD_DIR,
                       RENDERER,
                       POLARIZATIONS,
-                      GEOCODE_LIST)
+                      GEOCODE_LIST,
+                      APPLY_THERMAL_NOISE_CORRECTION)
 
     facility_list = (REFERENCE,
                      DEM_STITCHER,

components/isceobj/RtcProc/runPreprocessor.py

@@ -42,7 +42,7 @@ def runPreprocessor(self):
         frame.product.endingSlantRange = r0max
 
         try:
-            reference = extract_slc(frame, slantRange=(not slantRangeExtracted))
+            reference = extract_slc(frame, slantRange=(not slantRangeExtracted), removeNoise=self.apply_thermal_noise_correction)
             success=True
             if not slantRangeExtracted:
                 r0min = frame.product.startingSlantRange
@@ -72,10 +72,10 @@ def runPreprocessor(self):
     catalog.printToLog(logger, "runPreprocessor")
     self._grd.procDoc.addAllFromCatalog(catalog)
 
-def extract_slc(sensor, slantRange=False):
+def extract_slc(sensor, slantRange=False, removeNoise=False):
 #    sensor.configure()
     sensor.parse()
-    sensor.extractImage()
+    sensor.extractImage(removeNoise=removeNoise)
    
     if slantRange:
         sensor.extractSlantRange()