Update app.py

app.py

@@ -48,7 +48,15 @@ def grade_pdf(input_pdf, pdffigures2_jar):
         # Read and return the JSON data
         if os.path.exists(output_json_file):
             with open(output_json_file, "r") as f:
-                return json.load(f)
+                regions = json.load(f)
+
+            for region in regions:
+                if(region["captionBoundary"]["y1"]>region["regionBoundary"]["y1"]):
+                    region["captionLocation"]="Below"
+                else:
+                    region["captionLocation"]="Above"
+            return regions
+
         else:
             raise Exception(f"JSON output file not found: {output_json_file}")