From 4a0f5a7f5944ef734bbf685c4d92ddd672938d82 Mon Sep 17 00:00:00 2001
From: Elliott Liggett <kilocharlie8@gmail.com>
Date: Sun, 22 Jan 2023 15:24:21 -0800
Subject: [PATCH] Fixed signed issue with waterfall data.

---
 wfmain.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wfmain.cpp b/wfmain.cpp
index 49ea802..2cfef14 100644
--- a/wfmain.cpp
+++ b/wfmain.cpp
@@ -4669,7 +4669,7 @@ void wfmain::receiveSpectrumData(QByteArray spectrum, double startFreq, double e
                 wfRow = wfimage.at(row);
                 for(int col = 0; col < spectWidth; col++)
                 {
-                    colorMap->data()->setCell( col, row, wfRow.at(col));
+                    colorMap->data()->setCell( col, row, (unsigned char)wfRow.at(col));
                 }
             }
             if(updateRange)