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Autoscale histogram views

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This commit is contained in:
Olivier 'reivilibre' 2021-11-27 23:33:00 +00:00
parent 721376e02c
commit 4760ff97e0
1 changed files with 40 additions and 11 deletions
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51
bare-metrics-gui/src/graph.rs
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@ -40,11 +40,12 @@ pub struct HeatmapRect {
density: f64,
}
#[derive(Clone, Debug, Default)]
#[derive(Clone, Debug)]
pub struct HistogramWindow {
pub heatmap: Vec<HeatmapRect>,
pub min_density: f64,
pub max_density: f64,
pub y_axis: RangeInclusive<f64>,
}
#[derive(Clone, Debug, Default)]
@ -62,12 +63,15 @@ impl UnsummarisedHistogramWindow {
let mut min_density = f64::INFINITY;
let mut max_density = f64::NEG_INFINITY;
let mut min_val = f64::INFINITY;
let mut max_val = f64::NEG_INFINITY;
for (xa, xb, hist) in self.map.iter() {
let min_val = hist.min();
let max_val = hist.max();
let min_this_slice = hist.min();
min_val = min_val.min(min_this_slice as f64);
max_val = max_val.max(hist.max() as f64);
let mut prev = min_val;
let mut prev = min_this_slice;
for q in (1..=10).map(|i| i as f64 * 0.1) {
// TODO improve this. It's going to be a bit off because of the way that
// numbers can be 'equivalent' etc ...
@ -95,17 +99,21 @@ impl UnsummarisedHistogramWindow {
//debug!("hist min {:?} max {:?}", hist.min(), hist.max());
}
let y_axis = min_val..=max_val;
debug!("yaxis {:?}", y_axis);
HistogramWindow {
heatmap,
min_density,
max_density,
y_axis,
}
}
}
#[derive(Clone, Debug, Default)]
#[derive(Clone, Debug)]
pub struct ScalarWindow {
points: Vec<(UnixTimestampMilliseconds, f64)>,
pub points: Vec<(UnixTimestampMilliseconds, f64)>,
pub y_axis: RangeInclusive<f64>,
}
pub struct MetricsLogReadingRequester {
@ -392,12 +400,22 @@ impl<R: Read + Seek> MetricsLogReaderManager<R> {
histograms.insert(*metric_id, Default::default());
}
MetricKind::Gauge => {
metrics_window.gauges.insert(*metric_id, Default::default());
metrics_window.gauges.insert(
*metric_id,
ScalarWindow {
points: vec![],
y_axis: 0.0..=0.0,
},
);
}
MetricKind::Counter => {
metrics_window
.counters
.insert(*metric_id, Default::default());
metrics_window.counters.insert(
*metric_id,
ScalarWindow {
points: vec![],
y_axis: 0.0..=0.0,
},
);
}
}
}
@ -707,7 +725,18 @@ impl Graph {
// This range is reversed because screen coordinates go down, but we'd like them to go
// up since this is more of a mathematical graph.
let y_axis = 300.0..=0.0;
let y_axis = if let Some(histogram) = current_window.histograms.get(&metric_id) {
histogram.y_axis.clone().into_inner()
} else if let Some(scalar) = current_window
.counters
.get(&metric_id)
.or_else(|| current_window.gauges.get(&metric_id))
{
scalar.y_axis.clone().into_inner()
} else {
(0.0, 10.0)
};
let y_axis = (y_axis.1)..=(y_axis.0);
// let display_transform =
// emath::RectTransform::from_to(Rect::from_x_y_ranges(x_axis, y_axis), display_rect);