From 85902d50269f48b2fefc77d8f9afa64f8efd0f34 Mon Sep 17 00:00:00 2001
From: Jens Ahrensfeld <jens@jayfield.org>
Date: Mon, 1 Dec 2025 18:40:38 +0100
Subject: [PATCH] save jsom project file

---
 ar_tag_pose/detector_board_main.py | 38 ++++++++++++++++++++----------
 1 file changed, 26 insertions(+), 12 deletions(-)

diff --git a/ar_tag_pose/detector_board_main.py b/ar_tag_pose/detector_board_main.py
index 07bc3bb..5c5fc13 100644
--- a/ar_tag_pose/detector_board_main.py
+++ b/ar_tag_pose/detector_board_main.py
@@ -5,6 +5,7 @@ import cv2 as cv
 import numpy as np
 import argparse
 import mimetypes
+import json
 from pathlib import Path
 from ar_tag_pose.utils import to_board_pose_euler
 from detector_board import BoardDetector
@@ -213,28 +214,41 @@ def main():
 	ap.add_argument("-o", "--output",
 		action='store_true',
 		help="Enable video output")
-	args = vars(ap.parse_args())
+	args = ap.parse_args()
+	var_args = vars(args)
 
+	# save project file
+	prj = {}
+	for arg in var_args:
+		value = getattr(args, arg)
+		prj[arg] = value
+
+	with open(f"{RESULTS_FOLDER}/{var_args["name"]}.json", 'w') as fp:
+		json.dump(prj, fp, indent=4)
+
+	# Create BoardDetector
 	msg_size = 3
 	board_detector = []
-	bid_start = args["board_id"]
-	if "Aruco" in args["type"]:
-		for n in range(args["num_boards"]):
+	bid_start = var_args["board_id"]
+	if "Aruco" in var_args["type"]:
+		for n in range(var_args["num_boards"]):
 			board_id = f"{bid_start+n:0{msg_size}d}"
-			det = BoardDetectorAruco(f"{args["name"]}-{n}", args["dict_type"], board_id, (args["board_width"], args["board_height"]))
+			det = BoardDetectorAruco(f"{var_args["name"]}-{n}", var_args["dict_type"], board_id, (var_args["board_width"], var_args["board_height"]))
 			board_detector.append(det)
-	elif "Charuco" in args["type"]:
-		for n in range(args["num_boards"]):
+	elif "Charuco" in var_args["type"]:
+		for n in range(var_args["num_boards"]):
 			board_id = f"{bid_start+n:0{msg_size}d}"
-			det = BoardDetectorCharuco(f"{args["name"]}-{n}", args["dict_type"], board_id, (args["board_width"], args["board_height"]))
+			det = BoardDetectorCharuco(f"{var_args["name"]}-{n}", var_args["dict_type"], board_id, (var_args["board_width"], var_args["board_height"]))
 			board_detector.append(det)
 
+	# Create output
 	out_file = None
-	if args["output"]:
-		out_file = f"{args["name"]}.mp4"
+	if var_args["output"]:
+		out_file = f"{var_args["name"]}.mp4"
 
-	detector = Detector(args["source"], board_detector, out_file=out_file)
-	detector.board_image_generate(margin_length=args["margin_length"])
+	# Create Detector app
+	detector = Detector(var_args["source"], board_detector, out_file=out_file)
+	detector.board_image_generate(margin_length=var_args["margin_length"])
 	detector.calibrate_load()
 	detector.process()