Minor wording change

NeoGeographyToolkit · Oct 12, 2023 · 8423e38 · 8423e38
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diff --git a/docs/tools/bundle_adjust.rst b/docs/tools/bundle_adjust.rst
@@ -1086,8 +1086,9 @@ Command-line options for bundle_adjust
     each camera pair (:numref:`ba_error_propagation`).
 
 --horizontal-stddev <double (default: 0.0)>
-    If positive, propagate this horizontal ground plane stddev through
-    triangulation for all cameras. To be used with ``--propagate-errors``.
+    If positive, propagate this stddev of horizontal ground plane camera
+    uncertainty through triangulation for all cameras. To be used with
+    ``--propagate-errors``.
 
 --threads <integer (default: 0)>
     Set the number threads to use. 0 means use the default defined

diff --git a/src/asp/Tools/bundle_adjust.cc b/src/asp/Tools/bundle_adjust.cc
@@ -2142,8 +2142,8 @@ void handle_arguments(int argc, char *argv[], Options& opt) {
      "pairs of match points, and produce a report having the median, mean, "
      "standard deviation, and number of samples for each camera pair.")
     ("horizontal-stddev", po::value(&opt.horizontal_stddev)->default_value(0), 
-      "If positive, propagate this horizontal ground plane stddev through "
-      "triangulation for all cameras. To be used with --propagate-errors.")
+      "If positive, propagate this stddev of horizontal ground plane camera uncertainty "
+      "through triangulation for all cameras. To be used with --propagate-errors.")
     ("save-vwip", po::bool_switch(&opt.save_vwip)->default_value(false)->implicit_value(true),
      "Save .vwip files (intermediate files for creating .match files). For parallel_bundle_adjust these will be saved in subdirectories, as they depend on the image pair. Must start with an empty output directory for this to work.")
     ("vwip-prefix",  po::value(&opt.vwip_prefix),