From 9d7908beaf12d54cc853d1e7a41bb7ef4874585c Mon Sep 17 00:00:00 2001
From: Microwave Remote Sensing Laboratory
 <50493465+MIRSL@users.noreply.github.com>
Date: Thu, 26 Sep 2019 15:25:09 -0400
Subject: [PATCH] Add files via upload

updated for radiometric terrain correction
control looks by providing 'posting' in xml
---
 components/isceobj/RtcProc/Factories.py    |  1 +
 components/isceobj/RtcProc/RtcProc.py      |  2 +-
 components/isceobj/RtcProc/runNormalize.py | 30 +++++++++++++---------
 3 files changed, 20 insertions(+), 13 deletions(-)

diff --git a/components/isceobj/RtcProc/Factories.py b/components/isceobj/RtcProc/Factories.py
index c779864..038f1f7 100644
--- a/components/isceobj/RtcProc/Factories.py
+++ b/components/isceobj/RtcProc/Factories.py
@@ -46,5 +46,6 @@ createPreprocessor = _factory("runPreprocessor")
 createVerifyDEM = _factory("runVerifyDEM")
 createLooks = _factory("runLooks")
 createTopo = _factory("runTopo")
+createNormalize = _factory("runNormalize")
 #createGeocode = _factory("runGeocode")
 
diff --git a/components/isceobj/RtcProc/RtcProc.py b/components/isceobj/RtcProc/RtcProc.py
index f529106..aac8b9a 100644
--- a/components/isceobj/RtcProc/RtcProc.py
+++ b/components/isceobj/RtcProc/RtcProc.py
@@ -69,7 +69,7 @@ INC_FILENAME = Component.Parameter(
 GAMMA0_FILENAME = Component.Parameter(
         'gamma0FileName',
         public_name='Gamma0 backscatter file',
-        default = 'gamma0.rdr',
+        default = 'gamma0.img',
         type = str,
         mandatory = False,
         doc = 'Unmasked gamma0 backscatter file')
diff --git a/components/isceobj/RtcProc/runNormalize.py b/components/isceobj/RtcProc/runNormalize.py
index ce1e6c9..7d018e1 100644
--- a/components/isceobj/RtcProc/runNormalize.py
+++ b/components/isceobj/RtcProc/runNormalize.py
@@ -1,4 +1,4 @@
-#
+#!/usr/bin/env python3
 # Author: Piyush Agram
 # Copyright 2016
 #
@@ -6,6 +6,8 @@
 import logging
 import isceobj
 import mroipac
+from .runTopo import filenameWithLooks
+from .runLooks import takeLooks
 import os
 import numpy as np
 from isceobj.Util.decorators import use_api
@@ -18,7 +20,6 @@ def runNormalize(self):
     '''
     Make sure that a DEM is available for processing the given data.
     '''
-   
     refPol = self._grd.polarizations[0]
     master = self._grd.loadProduct( os.path.join(self._grd.outputFolder, 'beta_{0}.xml'.format(refPol)))
 
@@ -26,17 +27,22 @@ def runNormalize(self):
     azlooks, rglooks = self._grd.getLooks( self.posting, master.groundRangePixelSize, master.azimuthPixelSize, self.numberAzimuthLooks, self.numberRangeLooks)
 
 
-    if (azlooks == 1) and (rglooks == 1):
-        return
-
-    slantRange = False
     for pol in self._grd.polarizations:
-        inname = os.path.join( self._grd.outputFolder, 'beta_{0}.img'.format(pol) )
-        takeLooks(inname, azlooks, rglooks)
+        if (azlooks == 1) and (rglooks == 1):
+            inname = os.path.join( self._grd.outputFolder, 'beta_{0}.img'.format(pol))
+        else:
+            inname = os.path.join( self._grd.outputFolder, filenameWithLooks('beta_{0}.img'.format(pol), azlooks, rglooks))
 
-        if not slantRange:
-            inname = master.slantRangeImage.filename
-            takeLooks(inname, azlooks, rglooks)
-            slantRange = True
+        incname = os.path.join(self._grd.geometryFolder, self._grd.incFileName)
+        outname = os.path.join(self._grd.outputFolder, filenameWithLooks('gamma_{0}'.format(pol), azlooks, rglooks))
+        maskname = os.path.join(self._grd.geometryFolder, self._grd.slMaskFileName)
 
+        cmd = "imageMath.py --e='a*cos(b_0*PI/180.)/cos(b_1*PI/180.) * (c==0)' --a={beta} --b={inc} --c={mask} -o {out} -t FLOAT -s BIL"
+
+        cmdrun = cmd.format(inc = incname,
+                            beta = inname,
+                            out = outname,
+                            mask = maskname)
+        status = os.system(cmdrun)
+            
     return