Don't generate aprilgrid targets if size < 3*3

ethz-asl · Sep 21, 2024 · e119b24 · e119b24
1 parent 1f60227
commit e119b24
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/aslam_offline_calibration/kalibr/python/kalibr_create_target_pdf b/aslam_offline_calibration/kalibr/python/kalibr_create_target_pdf
@@ -92,6 +92,10 @@ def generateAprilBoard(canvas, n_cols, n_rows, tagSize, tagSpacing=0.25, tagFami
         print("[ERROR]: Invalid tagSpacing specified.  [0-1.0] of tagSize")
         sys.exit(0)
 
+    if(n_cols<3 or n_rows<3):
+        print("[ERROR]: The size of Aprilgrid targets must be greater than 3*3.")
+        sys.exit(0)
+
     if skipIds is None:
         skip_ids = []