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-rw-r--r--gr-qtgui/lib/FrequencyDisplayPlot.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/gr-qtgui/lib/FrequencyDisplayPlot.cc b/gr-qtgui/lib/FrequencyDisplayPlot.cc
index 1e208e8b0c..5b8f37776b 100644
--- a/gr-qtgui/lib/FrequencyDisplayPlot.cc
+++ b/gr-qtgui/lib/FrequencyDisplayPlot.cc
@@ -377,10 +377,10 @@ void FrequencyDisplayPlot::plotNewData(const std::vector<double*> dataPoints,
_npoints_in * sizeof(double));
for (int64_t point = 0; point < _npoints_in; point++) {
- if (dataPoints[n][point] < d_min_fft_data[point]) {
+ if (dataPoints[n][point + _in_index] < d_min_fft_data[point]) {
d_min_fft_data[point] = dataPoints[n][point + _in_index];
}
- if (dataPoints[n][point] > d_max_fft_data[point]) {
+ if (dataPoints[n][point + _in_index] > d_max_fft_data[point]) {
d_max_fft_data[point] = dataPoints[n][point + _in_index];
}