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cabana: Fix the incorrect Y axis (#25984)

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This commit is contained in:
Dean Lee
2022-10-07 04:35:56 +08:00
committed by GitHub
parent 7156633034
commit 2d9e797259
1 changed files with 5 additions and 0 deletions
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tools/cabana/chartswidget.cc
+5
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@@ -136,6 +136,7 @@ void ChartWidget::updateSeries() {
vals.clear();
vals.reserve(3 * 60 * 100);
double min_y = 0, max_y = 0;
uint64_t route_start_time = parser->replay->routeStartTime();
for (auto &evt : *events) {
if (evt->which == cereal::Event::Which::CAN) {
@@ -147,6 +148,9 @@ void ChartWidget::updateSeries() {
val -= ((val >> (sig->size - 1)) & 0x1) ? (1ULL << sig->size) : 0;
}
double value = val * sig->factor + sig->offset;
if (value < min_y) min_y = value;
if (value > max_y) max_y = value;
double ts = (evt->mono_time - route_start_time) / (double)1e9; // seconds
vals.push_back({ts, value});
}
@@ -157,6 +161,7 @@ void ChartWidget::updateSeries() {
series->replace(vals);
auto [begin, end] = parser->range();
chart_view->chart()->axisX()->setRange(begin, end);
chart_view->chart()->axisY()->setRange(min_y * 0.95, max_y * 1.05);
}
void ChartWidget::rangeChanged(qreal min, qreal max) {