From e2fbb1b72cd317d5b3e9a8a52c91c94805c64a49 Mon Sep 17 00:00:00 2001
From: David Russell <david.russell@kitware.com>
Date: Fri, 12 Jun 2020 17:54:09 -0400
Subject: [PATCH] Added the -h flag to command line tools.

---
 tools/analyze_tracks.cxx       | 1 +
 tools/apply_gcp.cxx            | 1 +
 tools/bundle_adjust_tracks.cxx | 1 +
 tools/estimate_homography.cxx  | 1 +
 tools/match_matrix.cxx         | 1 +
 tools/pos2krtd.cxx             | 1 +
 6 files changed, 6 insertions(+)

diff --git a/tools/analyze_tracks.cxx b/tools/analyze_tracks.cxx
index ee4ed09cf..4ed9171c8 100644
--- a/tools/analyze_tracks.cxx
+++ b/tools/analyze_tracks.cxx
@@ -152,6 +152,7 @@ static int maptk_main(int argc, char const* argv[])
   arg.Initialize( argc, argv );
 
   arg.AddArgument( "--help",        argT::NO_ARGUMENT, &opt_help, "Display usage information" );
+  arg.AddArgument( "-h",            argT::NO_ARGUMENT, &opt_help, "Display usage information" );
   arg.AddArgument( "--config",      argT::SPACE_ARGUMENT, &opt_config, "Configuration file for tool" );
   arg.AddArgument( "-c",            argT::SPACE_ARGUMENT, &opt_config, "Configuration file for tool" );
   arg.AddArgument( "--output-config", argT::SPACE_ARGUMENT, &opt_out_config,
diff --git a/tools/apply_gcp.cxx b/tools/apply_gcp.cxx
index 9550df915..ad69e8eaf 100644
--- a/tools/apply_gcp.cxx
+++ b/tools/apply_gcp.cxx
@@ -232,6 +232,7 @@ static int maptk_main(int argc, char const* argv[])
   typedef kwiversys::CommandLineArguments argT;
 
   arg.AddArgument( "--help",        argT::NO_ARGUMENT, &opt_help, "Display usage information" );
+  arg.AddArgument( "-h",            argT::NO_ARGUMENT, &opt_help, "Display usage information" );
   arg.AddArgument( "--config",      argT::SPACE_ARGUMENT, &opt_config, "Configuration file for tool" );
   arg.AddArgument( "-c",            argT::SPACE_ARGUMENT, &opt_config, "Configuration file for tool" );
   arg.AddArgument( "--output-config", argT::SPACE_ARGUMENT, &opt_out_config,
diff --git a/tools/bundle_adjust_tracks.cxx b/tools/bundle_adjust_tracks.cxx
index e3caa0cd0..520c1322f 100644
--- a/tools/bundle_adjust_tracks.cxx
+++ b/tools/bundle_adjust_tracks.cxx
@@ -411,6 +411,7 @@ static int maptk_main(int argc, char const* argv[])
   typedef kwiversys::CommandLineArguments argT;
 
   arg.AddArgument( "--help",        argT::NO_ARGUMENT, &opt_help, "Display usage information" );
+  arg.AddArgument( "-h",            argT::NO_ARGUMENT, &opt_help, "Display usage information" );
   arg.AddArgument( "--config",      argT::SPACE_ARGUMENT, &opt_config, "Configuration file for tool" );
   arg.AddArgument( "-c",            argT::SPACE_ARGUMENT, &opt_config, "Configuration file for tool" );
   arg.AddArgument( "--output-config", argT::SPACE_ARGUMENT, &opt_out_config,
diff --git a/tools/estimate_homography.cxx b/tools/estimate_homography.cxx
index 8302aa48e..168ad21ca 100644
--- a/tools/estimate_homography.cxx
+++ b/tools/estimate_homography.cxx
@@ -167,6 +167,7 @@ static int maptk_main(int argc, char const* argv[])
   arg.Initialize( argc, argv );
 
   arg.AddArgument( "--help",        argT::NO_ARGUMENT, &opt_help, "Display usage information" );
+  arg.AddArgument( "-h",            argT::NO_ARGUMENT, &opt_help, "Display usage information" );
 
   arg.AddArgument( "--config",      argT::SPACE_ARGUMENT, &opt_config,
                    "Optional custom configuration file for the tool. Defaults are set such "
diff --git a/tools/match_matrix.cxx b/tools/match_matrix.cxx
index 7d5d7e84b..6f2a6c1cc 100644
--- a/tools/match_matrix.cxx
+++ b/tools/match_matrix.cxx
@@ -133,6 +133,7 @@ static int maptk_main(int argc, char const* argv[])
   arg.Initialize( argc, argv );
 
   arg.AddArgument( "--help",           argT::NO_ARGUMENT, &opt_help, "Display usage information" );
+  arg.AddArgument( "-h",               argT::NO_ARGUMENT, &opt_help, "Display usage information" );
   arg.AddArgument( "--input-tracks",   argT::SPACE_ARGUMENT, &opt_in_tracks, "Input track file." );
   arg.AddArgument( "--output-matrix",  argT::SPACE_ARGUMENT, &opt_out_matrix, "Output match matrix file" );
   arg.AddArgument( "--output-frames",  argT::SPACE_ARGUMENT, &opt_out_frames, "Output frame number file" );
diff --git a/tools/pos2krtd.cxx b/tools/pos2krtd.cxx
index 04e01fa27..e5b282360 100644
--- a/tools/pos2krtd.cxx
+++ b/tools/pos2krtd.cxx
@@ -200,6 +200,7 @@ static int maptk_main(int argc, char const* argv[])
   typedef kwiversys::CommandLineArguments argT;
 
   arg.AddArgument( "--help",        argT::NO_ARGUMENT, &opt_help, "Display usage information" );
+  arg.AddArgument( "-h",            argT::NO_ARGUMENT, &opt_help, "Display usage information" );
   arg.AddArgument( "--config",      argT::SPACE_ARGUMENT, &opt_config, "Configuration file for tool" );
   arg.AddArgument( "-c",            argT::SPACE_ARGUMENT, &opt_config, "Configuration file for tool" );
   arg.AddArgument( "--output-config", argT::SPACE_ARGUMENT, &opt_out_config,