Remove args for multi

Remove command line arguments for SAR_MultiSlc.py and SAR_MultiSlc_IW.py

python_src/utils/func_utils.py

@@ -362,7 +362,7 @@ def get_relative_orbit(manifest):
     return int(root.find("metadataSection/metadataObject/metadataWrap/xmlData/{http://www.esa.int/safe/sentinel-1.0}orbitReference/{http://www.esa.int/safe/sentinel-1.0}relativeOrbitNumber").text)
 
 def build_virutal_raster(master_Image, start_time, end_time, master_date,
-                         srtm_shapefile, hgts_path):
+                         srtm_shapefile, hgts_path, output_dir="."):
     """
         Build a vrt file corresponding to a dem from hgt (SRTM) files.
         The hgt file are contained into a global path : hgts_path
@@ -380,10 +380,10 @@ def build_virutal_raster(master_Image, start_time, end_time, master_date,
         hgts_tuple.append(hgts_path + hgt)
 
     print("\n Creating virtual raster from intersected hgt files...\n")
-    dem = gdal.BuildVRT("./output_{}_to_{}_m_{}/dem_scene.vrt".format(
-                        start_time, end_time, master_date), hgts_tuple)
-    dem = "./output_{}_to_{}_m_{}/dem_scene.vrt".format(start_time, end_time,
-                                                        master_date)
+    dem = gdal.BuildVRT("{}/output_{}_to_{}_m_{}/dem_scene.vrt".format(
+                        output_dir, start_time, end_time, master_date), hgts_tuple)
+    dem = "{}/output_{}_to_{}_m_{}/dem_scene.vrt".format(output_dir, start_time, 
+                                                         end_time, master_date)
     return dem, target_dir
 
 def argDates_to_isoDates(start_date, end_date):