Adding the Gspec notebook

GSpec.py

+'''
+    ------------------------------------------
+    Title: GSPEC
+    Creation Date: 16/02/2024
+    Author: R. Gray
+    Version: v1 
+
+    %%%%% CODE DESCRIPTION [BEGINS]
+
+    Class to wrap up some of the basic analysis of the Gspec
+    %%%%% CODE DESCRIPTION [ENDS]
+    ------------------------------------------
+    '''
+
+from PIL import Image
+import numpy as np
+import pandas as pd
+
+class GSpec: 
+    
+    def __init__(self, filename, maskfile=None): 
+        
+        self.filename = filename
+        self.maskfile = maskfile
+        
+        
+    def loadfile(self): 
+        
+        im = Image.open(self.filename)
+        return im
+    
+    
+    def get_mask(self,im):
+    
+        # Load the CSV file
+        df = pd.read_csv(self.maskfile)
+
+        # Assuming the last row contains the rotation angle applied to all points
+        rotation_angle = df.iloc[-1]['Rotation_Angle']
+
+        # Apply the rotation angle to the image
+        rotated_img = im.rotate(rotation_angle, expand=True) 
+        rotated_img = np.asarray(rotated_img)
+
+        # Extract the coordinates from the DataFrame
+        coordinates = df[['X', 'Y']].to_numpy()  # Exclude the last row used for angle
+        
+        background_coords = np.copy(coordinates)
+        
+        background_coords[:,1] = background_coords[:,1]-350
+
+        return rotated_img, coordinates, background_coords
+        
+        
+
+
+
+        
+        
+        
\ No newline at end of file

README.md

+# GSpec Analysis
+
+This notebook gives some example of doing the basic analysis on the Gspec. It also makes use of the GSpec.py analysis class which is included in this repository. 
+
 
 # GSpec Image Mask Definition