Fixed qview crashing when reading pixel value

DOI-USGS · Mar 22, 2022 · 5b23dce · 5b23dce
1 parent 9dea9a3
commit 5b23dce
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Showing 2 changed files with 3 additions and 4 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -81,6 +81,7 @@ Keywords when running CAMSTATS.  [#3605](https://github.com/USGS-Astrogeology/IS
 - Fixed a bug where the measure residuals reported in the bundleout.txt file were incorrect. [#4655](https://github.com/USGS-Astrogeology/ISIS3/issues/4655)
 - Fixed a bug where jigsaw would raise an error when solving for framing camera pointing in observation mode. [#4686](https://github.com/USGS-Astrogeology/ISIS3/issues/4686)
 - Fixed slow runs of automos when the priority was BAND. [#4793](https://github.com/USGS-Astrogeology/ISIS3/pull/4793)
+- Fixed qview crashing when attempting to load image DNs. [4818](https://github.com/USGS-Astrogeology/ISIS3/issues/4818)
 
 ## [6.0.0] - 2021-08-27
 

diff --git a/isis/src/qisis/objs/TrackTool/TrackTool.cpp b/isis/src/qisis/objs/TrackTool/TrackTool.cpp
@@ -273,10 +273,7 @@ namespace Isis {
   }
 
   QString TrackTool::updateColorLabel(QPoint p, ViewportBuffer *buf, QLabel *label) {
-    if(buf->working()) {
-      label->setText("BUSY");
-    }
-    else {
+    if(!buf->working()) {
       const QRect rRect = buf->bufferXYRect();
 
       if(p.x() >= rRect.left() && p.x() < rRect.right() &&
@@ -286,6 +283,7 @@ namespace Isis {
         return PixelToString(buf->getLine(rBufY)[rBufX], 12);
       }
     }
+    return "BUSY";
   }