From 68e011ed8dfdffdd1446d5375a8ce7c0dc1dd6bc Mon Sep 17 00:00:00 2001
From: lm <pixhawk@pixhawk02.(none)>
Date: Fri, 14 May 2010 16:27:57 +0200
Subject: [PATCH] Improved log compressor to write out NaN for unknown values

---
 src/LogCompressor.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/LogCompressor.cc b/src/LogCompressor.cc
index 5737c7379..9b5dcc196 100644
--- a/src/LogCompressor.cc
+++ b/src/LogCompressor.cc
@@ -81,6 +81,11 @@ void LogCompressor::run()
         QString time = parts.first();
         QString field = parts.at(2);
         QString value = parts.at(3);
+        // Enforce NaN if no value is present
+        if (value.length() == 0 || value == "" || value == " " || value == "\t" || value == "\n")
+        {
+            value = "NaN";
+        }
         // Get matching output line
         quint64 index = times->indexOf(time);
         QString outLine = outLines->at(index);
-- 
2.22.0