--- a/scripts/display-trajectories.py	Thu Feb 08 15:04:56 2024 -0500
+++ b/scripts/display-trajectories.py	Thu Feb 08 16:10:54 2024 -0500
@@ -1,6 +1,7 @@
 #! /usr/bin/env python3
 
 import sys, argparse
+from math import inf
 
 from numpy.linalg import inv
 from numpy import loadtxt
@@ -18,7 +19,7 @@
 parser.add_argument('--undistorted-multiplication', dest = 'undistortedImageMultiplication', help = 'undistorted image multiplication', type = float)
 parser.add_argument('-u', dest = 'undistort', help = 'undistort the video (because features have been extracted that way)', action = 'store_true')
 parser.add_argument('-f', dest = 'firstFrameNum', help = 'number of first frame number to display', type = int)
-parser.add_argument('-l', dest = 'lastFrameNum', help = 'number of last frame number to save (for image saving, no display is made)', type = int)
+parser.add_argument('-l', dest = 'lastFrameNum', help = 'number of last frame number to save (for image saving, no display is made)', type = int, default = inf)
 parser.add_argument('-r', dest = 'rescale', help = 'rescaling factor for the displayed image', default = 1., type = float)
 parser.add_argument('-s', dest = 'nFramesStep', help = 'number of frames between each display', default = 1, type = int)
 parser.add_argument('-n', dest = 'nObjects', help = 'number of objects to display', type = int)
@@ -26,7 +27,6 @@
 parser.add_argument('--nzeros', dest = 'nZerosFilenameArg', help = 'number of digits in filenames', type = int)
 
 args = parser.parse_args()
-
 params, videoFilename, databaseFilename, invHomography, intrinsicCameraMatrix, distortionCoefficients, undistortedImageMultiplication, undistort, firstFrameNum = storage.processVideoArguments(args)
 
 if args.homographyFilename is not None:
@@ -39,6 +39,8 @@
     undistortedImageMultiplication = args.undistortedImageMultiplication
 if args.firstFrameNum is not None:
     firstFrameNum = args.firstFrameNum
+if args.lastFrameNum is not None:
+    lastFrameNum = args.lastFrameNum
 if args.nObjects is not None:
     nObjects = args.nObjects
 else:
@@ -46,4 +48,4 @@
 
 objects = storage.loadTrajectoriesFromSqlite(databaseFilename, args.trajectoryType, nObjects)
 boundingBoxes = storage.loadBoundingBoxTableForDisplay(databaseFilename)
-cvutils.displayTrajectories(videoFilename, objects, boundingBoxes, invHomography, firstFrameNum, args.lastFrameNum, rescale = args.rescale, nFramesStep = args.nFramesStep, saveAllImages = args.saveAllImages, nZerosFilenameArg = args.nZerosFilenameArg, undistort = (undistort or args.undistort), intrinsicCameraMatrix = intrinsicCameraMatrix, distortionCoefficients = distortionCoefficients, undistortedImageMultiplication = undistortedImageMultiplication)
+cvutils.displayTrajectories(videoFilename, objects, boundingBoxes, invHomography, firstFrameNum, lastFrameNum, rescale = args.rescale, nFramesStep = args.nFramesStep, saveAllImages = args.saveAllImages, nZerosFilenameArg = args.nZerosFilenameArg, undistort = (undistort or args.undistort), intrinsicCameraMatrix = intrinsicCameraMatrix, distortionCoefficients = distortionCoefficients, undistortedImageMultiplication = undistortedImageMultiplication)