Update app.py

app.py

@@ -341,8 +341,11 @@ class DicomAnalyzer:
             wb = openpyxl.Workbook()
             ws = wb.active
             red_font = openpyxl.styles.Font(color="FF0000")
+            center_alignment = openpyxl.styles.Alignment(horizontal='center')
+            
             #Define headers
             headers = ['Area', 'Mean', 'StdDev', 'Min', 'Max']
+            
 
             column_groups = [
                 ('B', 'C', 'D', 'E', 'F'), ('H', 'I', 'J', 'K', 'L'),
@@ -358,7 +361,7 @@ class DicomAnalyzer:
                 for i, header in enumerate(headers):
                     cell = ws[f"{cols[i]}1"]
                     cell.value = header
-            
+                    cell.alignment = center_alignment  # Center align the headers
 
             
             row_pairs = [
@@ -372,7 +375,8 @@ class DicomAnalyzer:
             for i, size in enumerate(phantom_sizes):
                 header_cell = ws.cell(row=row_pairs[i][0]-1, column=1, value=size)
                 header_cell.font = red_font
-
+                header_cell.alignment = center_alignment  # Center align the phantom sizes
+                 
             result_idx = 0
             current_col_group = 0
             current_row_pair = 0
@@ -401,6 +405,13 @@ class DicomAnalyzer:
                     current_col_group = 0
                     current_row_pair += 1
 
+                 # Center align all data cells
+            for cols in column_groups:
+                for col in cols:
+                    for row in range(2, 31):  # Adjust range based on your data
+                        cell = ws[f"{col}{row}"]
+                        cell.alignment = center_alignment
+
             wb.save(output_path)
             return output_path, f"Results saved successfully ({result_idx} measurements)"
 
@@ -409,12 +420,19 @@ class DicomAnalyzer:
             return None, f"Error saving results: {str(e)}"
 
     def _write_result_to_cells(self, ws, result, cols, row):
+        """Helper method to write a single result to worksheet cells"""
+        center_alignment = openpyxl.styles.Alignment(horizontal='center')
         ws[f"{cols[0]}{row}"] = float(result['Area (mm²)'])
         ws[f"{cols[1]}{row}"] = float(result['Mean'])
         ws[f"{cols[2]}{row}"] = float(result['StdDev'])
         ws[f"{cols[3]}{row}"] = float(result['Min'])
         ws[f"{cols[4]}{row}"] = float(result['Max'])
 
+        for i, value in enumerate(['Area (mm²)', 'Mean', 'StdDev', 'Min', 'Max']):
+        cell = ws[f"{cols[i]}{row}"]
+        cell.value = float(result[value])
+        cell.alignment = center_alignment
+
     def format_results(self):
         if not self.results:
             return "No measurements yet"