Update app.py

app.py

@@ -204,175 +204,175 @@ def generate_report(
     avg_inference_time = sum(inference_times) / len(inference_times) if inference_times else 0
     avg_io_time = sum(io_times) / len(io_times) if io_times else 0
 
-    # LaTeX template
+    # LaTeX template with escaped curly braces
     latex_template = r"""
-\documentclass[a4paper,12pt]{article}
-\usepackage[utf8]{inputenc}
-\usepackage[T1]{fontenc}
-\usepackage{geometry}
-\geometry{margin=1in}
-\usepackage{graphicx}
-\usepackage{booktabs}
-\usepackage{longtable}
-\usepackage{hyperref}
-\usepackage{xcolor}
-\usepackage{parskip}
-\setlength{\parskip}{0.5em}
-\usepackage{noto}
-\graphicspath{{./captured_frames/}}
-
-\begin{document}
+\documentclass[a4paper,12pt]{{article}}
+\usepackage[utf8]{{inputenc}}
+\usepackage[T1]{{fontenc}}
+\usepackage{{geometry}}
+\geometry{{margin=1in}}
+\usepackage{{graphicx}}
+\usepackage{{booktabs}}
+\usepackage{{longtable}}
+\usepackage{{hyperref}}
+\usepackage{{xcolor}}
+\usepackage{{parskip}}
+\setlength{{\parskip}}{{0.5em}}
+\usepackage{{noto}}
+\graphicspath{{{{./captured_frames/}}}}
+
+\begin{{document}}
 
 % Title and project details
-\section*{NHAI Drone Survey Analysis Report}
-
-\subsection*{Project Details}
-\begin{itemize}
-    \item \textbf{Project Name:} NH-44 Delhi-Hyderabad Section (Package XYZ)
-    \item \textbf{Highway Section:} Km 100 to Km 150
-    \item \textbf{State:} Telangana
-    \item \textbf{Region:} South
-    \item \textbf{Survey Date:} \today
-    \item \textbf{Drone Service Provider:} ABC Drone Services Pvt. Ltd.
-    \item \textbf{Technology Service Provider:} XYZ AI Analytics Ltd.
-    \item \textbf{Work Order Reference:} Data Lake WO-\today-XYZ
-    \item \textbf{Report Prepared By:} Nagasurendra, Data Analyst
-    \item \textbf{Report Date:} \today
-\end{itemize}
-
-\section{Introduction}
+\section*{{NHAI Drone Survey Analysis Report}}
+
+\subsection*{{Project Details}}
+\begin{{itemize}}
+    \item \textbf{{Project Name:}} NH-44 Delhi-Hyderabad Section (Package XYZ)
+    \item \textbf{{Highway Section:}} Km 100 to Km 150
+    \item \textbf{{State:}} Telangana
+    \item \textbf{{Region:}} South
+    \item \textbf{{Survey Date:}} \today
+    \item \textbf{{Drone Service Provider:}} ABC Drone Services Pvt. Ltd.
+    \item \textbf{{Technology Service Provider:}} XYZ AI Analytics Ltd.
+    \item \textbf{{Work Order Reference:}} Data Lake WO-\today-XYZ
+    \item \textbf{{Report Prepared By:}} Nagasurendra, Data Analyst
+    \item \textbf{{Report Date:}} \today
+\end{{itemize}}
+
+\section{{Introduction}}
 This report consolidates drone survey results for NH-44 (Km 100--150) under Operations \& Maintenance, per NHAI Policy Circular No. 18.98/2024, detecting potholes and cracks using YOLOv8 for Monthly Progress Report integration.
 
-\section{Drone Survey Metadata}
-\begin{itemize}
-    \item \textbf{Drone Speed:} 5 m/s
-    \item \textbf{Drone Height:} 60 m
-    \item \textbf{Camera Sensor:} RGB, 12 MP
-    \item \textbf{Recording Type:} JPEG, 90° nadir
-    \item \textbf{Image Overlap:} 85\%
-    \item \textbf{Flight Pattern:} Single lap, ROW centered
-    \item \textbf{Geotagging:} Enabled
-    \item \textbf{Satellite Lock:} 12 satellites
-    \item \textbf{Terrain Follow Mode:} Enabled
-\end{itemize}
-
-\section{Quality Check Results}
-\begin{itemize}
-    \item \textbf{Resolution:} 4000x3000 (12 MP)
-    \item \textbf{Overlap:} 85\%
-    \item \textbf{Camera Angle:} 90° nadir
-    \item \textbf{Drone Speed:} $\leq$ 5 m/s
-    \item \textbf{Geotagging:} 100\% compliant
-    \item \textbf{QC Status:} Passed
-\end{itemize}
-
-\section{AI/ML Analytics}
-\begin{itemize}
-    \item \textbf{Total Frames Processed:} {frame_count}
-    \item \textbf{Detection Frames:} {detection_frame_count} ({detection_percentage:.2f}\%)
-    \item \textbf{Total Detections:} {total_detections}
-    \item \textbf{Breakdown:}
-    \begin{itemize}
+\section{{Drone Survey Metadata}}
+\begin{{itemize}}
+    \item \textbf{{Drone Speed:}} 5 m/s
+    \item \textbf{{Drone Height:}} 60 m
+    \item \textbf{{Camera Sensor:}} RGB, 12 MP
+    \item \textbf{{Recording Type:}} JPEG, 90° nadir
+    \item \textbf{{Image Overlap:}} 85\%
+    \item \textbf{{Flight Pattern:}} Single lap, ROW centered
+    \item \textbf{{Geotagging:}} Enabled
+    \item \textbf{{Satellite Lock:}} 12 satellites
+    \item \textbf{{Terrain Follow Mode:}} Enabled
+\end{{itemize}}
+
+\section{{Quality Check Results}}
+\begin{{itemize}}
+    \item \textbf{{Resolution:}} 4000x3000 (12 MP)
+    \item \textbf{{Overlap:}} 85\%
+    \item \textbf{{Camera Angle:}} 90° nadir
+    \item \textbf{{Drone Speed:}} $\leq$ 5 m/s
+    \item \textbf{{Geotagging:}} 100\% compliant
+    \item \textbf{{QC Status:}} Passed
+\end{{itemize}}
+
+\section{{AI/ML Analytics}}
+\begin{{itemize}}
+    \item \textbf{{Total Frames Processed:}} {frame_count}
+    \item \textbf{{Detection Frames:}} {detection_frame_count} ({detection_percentage:.2f}\%)
+    \item \textbf{{Total Detections:}} {total_detections}
+    \item \textbf{{Breakdown:}}
+    \begin{{itemize}}
         {items}
-    \end{itemize}
-    \item \textbf{Processing Time:} {total_time:.2f} seconds
-    \item \textbf{Average Frame Time:} {avg_frame_time:.2f} ms
-    \item \textbf{Average Resize Time:} {avg_resize_time:.2f} ms
-    \item \textbf{Average Inference Time:} {avg_inference_time:.2f} ms
-    \item \textbf{Average I/O Time:} {avg_io_time:.2f} ms
-    \item \textbf{Timestamp:} {timestamp_str}
-    \item \textbf{Summary:} Potholes and cracks detected in high-traffic segments.
-\end{itemize}
-
-\section{Output File Structure}
-\begin{itemize}
+    \end{{itemize}}
+    \item \textbf{{Processing Time:}} {total_time:.2f} seconds
+    \item \textbf{{Average Frame Time:}} {avg_frame_time:.2f} ms
+    \item \textbf{{Average Resize Time:}} {avg_resize_time:.2f} ms
+    \item \textbf{{Average Inference Time:}} {avg_inference_time:.2f} ms
+    \item \textbf{{Average I/O Time:}} {avg_io_time:.2f} ms
+    \item \textbf{{Timestamp:}} {timestamp_str}
+    \item \textbf{{Summary:}} Potholes and cracks detected in high-traffic segments.
+\end{{itemize}}
+
+\section{{Output File Structure}}
+\begin{{itemize}}
     \item ZIP file contains:
-    \begin{itemize}
-        \item \texttt{drone_analysis_report_{timestamp}.pdf}: This report
-        \item \texttt{outputs/processed_output.mp4}: Processed video with annotations
-        \item \texttt{outputs/chart_{timestamp}.png}: Detection trend chart
-        \item \texttt{outputs/map_{timestamp}.png}: Issue locations map
-        \item \texttt{captured_frames/detected_<frame>.jpg}: Geotagged images for detected issues
-        \item \texttt{flight_logs/flight_log_<frame>.csv}: Flight logs matching image frames
-    \end{itemize}
-    \item \textbf{Note:} Images and logs share frame numbers (e.g., \texttt{detected_000001.jpg} corresponds to \texttt{flight_log_000001.csv}).
-\end{itemize}
-
-\section{Geotagged Images}
-\begin{itemize}
-    \item \textbf{Total Images:} {total_images}
-    \item \textbf{Storage:} Data Lake \texttt{{/project_xyz/images/{date_str}}}
-\end{itemize}
-
-\begin{longtable}{c l c c c p{4cm}}
+    \begin{{itemize}}
+        \item \texttt{{drone_analysis_report_{timestamp}.pdf}}: This report
+        \item \texttt{{outputs/processed_output.mp4}}: Processed video with annotations
+        \item \texttt{{outputs/chart_{timestamp}.png}}: Detection trend chart
+        \item \texttt{{outputs/map_{timestamp}.png}}: Issue locations map
+        \item \texttt{{captured_frames/detected_<frame>.jpg}}: Geotagged images for detected issues
+        \item \texttt{{flight_logs/flight_log_<frame>.csv}}: Flight logs matching image frames
+    \end{{itemize}}
+    \item \textbf{{Note:}} Images and logs share frame numbers (e.g., \texttt{{detected_000001.jpg}} corresponds to \texttt{{flight_log_000001.csv}}).
+\end{{itemize}}
+
+\section{{Geotagged Images}}
+\begin{{itemize}}
+    \item \textbf{{Total Images:}} {total_images}
+    \item \textbf{{Storage:}} Data Lake \texttt{{/project_xyz/images/{date_str}}}
+\end{{itemize}}
+
+\begin{{longtable}}{{c l c c c p{{4cm}}}}
     \toprule
-    \textbf{Frame} & \textbf{Issue Type} & \textbf{GPS (Lat, Lon)} & \textbf{Timestamp} & \textbf{Confidence} & \textbf{Image} \\
+    \textbf{{Frame}} & \textbf{{Issue Type}} & \textbf{{GPS (Lat, Lon)}} & \textbf{{Timestamp}} & \textbf{{Confidence}} & \textbf{{Image}} \\
     \midrule
     \endhead
     {image_rows}
     \bottomrule
-\end{longtable}
+\end{{longtable}}
 
-\section{Flight Logs}
-\begin{itemize}
-    \item \textbf{Total Logs:} {total_logs}
-    \item \textbf{Storage:} Data Lake \texttt{{/project_xyz/flight_logs/{date_str}}}
-\end{itemize}
+\section{{Flight Logs}}
+\begin{{itemize}}
+    \item \textbf{{Total Logs:}} {total_logs}
+    \item \textbf{{Storage:}} Data Lake \texttt{{/project_xyz/flight_logs/{date_str}}}
+\end{{itemize}}
 
-\begin{longtable}{c c c c c c c l}
+\begin{{longtable}}{{c c c c c c c l}}
     \toprule
-    \textbf{Frame} & \textbf{Timestamp} & \textbf{Latitude} & \textbf{Longitude} & \textbf{Speed (m/s)} & \textbf{Satellites} & \textbf{Altitude (m)} & \textbf{Log Path} \\
+    \textbf{{Frame}} & \textbf{{Timestamp}} & \textbf{{Latitude}} & \textbf{{Longitude}} & \textbf{{Speed (m/s)}} & \textbf{{Satellites}} & \textbf{{Altitude (m)}} & \textbf{{Log Path}} \\
     \midrule
     \endhead
     {log_rows}
     \bottomrule
-\end{longtable}
-
-\section{Processed Video}
-\begin{itemize}
-    \item \textbf{Path:} \texttt{outputs/processed_output.mp4}
-    \item \textbf{Frames:} {output_frames}
-    \item \textbf{FPS:} {output_fps:.2f}
-    \item \textbf{Duration:} {output_duration:.2f} seconds
-\end{itemize}
-
-\section{Visualizations}
-\begin{itemize}
-    \item \textbf{Detection Trend Chart:} \texttt{outputs/chart_{timestamp}.png}
-    \item \textbf{Issue Locations Map:} \texttt{outputs/map_{timestamp}.png}
-\end{itemize}
-
-\section{Processing Timestamps}
-\begin{itemize}
-    \item \textbf{Total Processing Time:} {total_time:.2f} seconds
-    \item \textbf{Log Entries (Last 10):}
-    \begin{itemize}
+\end{{longtable}}
+
+\section{{Processed Video}}
+\begin{{itemize}}
+    \item \textbf{{Path:}} \texttt{{outputs/processed_output.mp4}}
+    \item \textbf{{Frames:}} {output_frames}
+    \item \textbf{{FPS:}} {output_fps:.2f}
+    \item \textbf{{Duration:}} {output_duration:.2f} seconds
+\end{{itemize}}
+
+\section{{Visualizations}}
+\begin{{itemize}}
+    \item \textbf{{Detection Trend Chart:}} \texttt{{outputs/chart_{timestamp}.png}}
+    \item \textbf{{Issue Locations Map:}} \texttt{{outputs/map_{timestamp}.png}}
+\end{{itemize}}
+
+\section{{Processing Timestamps}}
+\begin{{itemize}}
+    \item \textbf{{Total Processing Time:}} {total_time:.2f} seconds
+    \item \textbf{{Log Entries (Last 10):}}
+    \begin{{itemize}}
         {log_entries}
-    \end{itemize}
-\end{itemize}
+    \end{{itemize}}
+\end{{itemize}}
 
-\section{Stakeholder Validation}
-\begin{itemize}
-    \item \textbf{AE/IE Comments:} [Pending]
-    \item \textbf{PD/RO Comments:} [Pending]
-\end{itemize}
+\section{{Stakeholder Validation}}
+\begin{{itemize}}
+    \item \textbf{{AE/IE Comments:}} [Pending]
+    \item \textbf{{PD/RO Comments:}} [Pending]
+\end{{itemize}}
 
-\section{Recommendations}
-\begin{itemize}
+\section{{Recommendations}}
+\begin{{itemize}}
     \item Repair potholes in high-traffic segments.
     \item Seal cracks to prevent degradation.
     \item Schedule follow-up survey.
-\end{itemize}
+\end{{itemize}}
 
-\section{Data Lake References}
-\begin{itemize}
-    \item \textbf{Images:} \texttt{{/project_xyz/images/{date_str}}}
-    \item \textbf{Flight Logs:} \texttt{{/project_xyz/flight_logs/{date_str}}}
-    \item \textbf{Video:} \texttt{{/project_xyz/videos/processed_output_{date_str_no_dash}.mp4}}
-    \item \textbf{DAMS Dashboard:} \texttt{{/project_xyz/dams/{date_str}}}
-\end{itemize}
+\section{{Data Lake References}}
+\begin{{itemize}}
+    \item \textbf{{Images:}} \texttt{{/project_xyz/images/{date_str}}}
+    \item \textbf{{Flight Logs:}} \texttt{{/project_xyz/flight_logs/{date_str}}}
+    \item \textbf{{Video:}} \texttt{{/project_xyz/videos/processed_output_{date_str_no_dash}.mp4}}
+    \item \textbf{{DAMS Dashboard:}} \texttt{{/project_xyz/dams/{date_str}}}
+\end{{itemize}}
 
-\end{document}
+\end{{document}}
 """
 
     # Format the LaTeX template