diff --git a/las_manipulation.py b/las_manipulation.py
index 5be453f..becacb5 100644
--- a/las_manipulation.py
+++ b/las_manipulation.py
@@ -353,32 +353,27 @@ def main():
 
     # read the parameters file and scroll through it
     input_file = args.input_file
-    # input_file = 'Parameter Files/las manipulation survey2.xlsx'
+    input_file = 'Parameter Files/las-manipulation-survey-2.xlsx'
     params_file=pd.read_excel(input_file, sheet_name="PARAMS")
 
     for i, row in params_file.iterrows():
         print("Starting to process %s" % row['Beach'])
-        input_las1 = row['INPUT LAS1']
+        input_las = row['INPUT LAS']
         initial_crop_poly = row['INITIAL CROP POLY']
-        # temp_las1 = row['TEMP LAS1']
-        # temp_las2  = row['TEMP LAS2']
-        lasground_step  = row['STEP VEG']
-        # temp_las3  = row['TEMP LAS3']
-        step_build = row['STEP BUILD']
-        temp_xyz = row['TEMP XYZ']
+        lasground_step  = row['LASGROUND STEP']
         zone_MGA = row['ZONE MGA']
         check_value = row['CHECK VALUE']
         direct = row['DIRECTION']
         check_distance = row['CHECK DISTANCE']
-        polygon_name = row['POLYGON NAME']
-        path_2_poly  = row['PATH TO POLYGON']
-        # temp_las4 = row['TEMP LAS4']
-        picture = row['PICTURE']
+        shp_dir  = row['SHP SWASH FOLDER']
         tmp_dir = row['TMP FOLDER']
 
+        # Get base name of input las
+        las_basename = os.path.splitext(os.path.basename(input_las))[0]
+
         # Crop to beach boundary
         print('Clipping...')
-        las_data = call_lastools('lasclip', input=input_las1, output='-stdout',
+        las_data = call_lastools('lasclip', input=input_las, output='-stdout',
                                  args=['-poly', initial_crop_poly], verbose=False)
 
         # Classify ground points
@@ -388,13 +383,14 @@ def main():
 
         # Interpolate point cloud onto a grid
         print('Interpolating to grid...')
-        call_lastools('las2dem', input=las_data, output=temp_xyz,
+        xyz_name = os.path.join(tmp_dir, las_basename + '.xyz')
+        call_lastools('las2dem', input=las_data, output=xyz_name,
                       args=['-step', 1], verbose=False)
 
         # Make runup clipping mask
         print('Calculating runup clipping mask...')
-        shp_name = os.path.join(path_2_poly, polygon_name)
-        polygon_wave_runup(temp_xyz, direct, shp_name, check_value, check_distance, zone_MGA)
+        shp_name = os.path.join(shp_dir, las_basename + '.shp')
+        polygon_wave_runup(xyz_name, direct, shp_name, check_value, check_distance, zone_MGA)
         #NOTE THAT YOU NEED TO CHECK THE OUTPUT SHP FILE AND ADJUST AS REQUIRED
 
         #delete the temp files