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Description
Reproduction code:
:dep plotters = { version = "^0.3.5", default_features = false, features = ["evcxr", "all_series", "all_elements"] }
use plotters::prelude::*;
let points: Vec<(f64, f64)> = (0..1000).map(|i| i as f64).map(|i| (i, (i * 0.1).cos())).collect();
evcxr_figure((640, 240), |root| {
root.fill(&WHITE)?;
let min_x = points.iter().map(|(x, _)| x).min_by(|a, b| a.partial_cmp(b).unwrap()).copied().unwrap();
let max_x = points.iter().map(|(x, _)| x).max_by(|a, b| a.partial_cmp(b).unwrap()).copied().unwrap();
let min_y = points.iter().map(|(_, y)| y).min_by(|a, b| a.partial_cmp(b).unwrap()).copied().unwrap();
let max_y = points.iter().map(|(_, y)| y).max_by(|a, b| a.partial_cmp(b).unwrap()).copied().unwrap();
let mut chart = ChartBuilder::on(&root)
.margin(5)
//.caption("BTC Price", ("sans-serif", 20))
.x_label_area_size(30)
.y_label_area_size(30)
.build_cartesian_2d(min_x..max_x, min_y..max_y)?;
chart.configure_mesh().draw()?;
chart.draw_series(LineSeries::new(
points.clone(),
&RED,
))?;
Ok(())
})
This shows the correct plot.
But, if I remove the .clone() when creating the line series the plot is gone and I see only raw HTML / SVG.
EVCXR_END_CONTENT
EVCXR_BEGIN_CONTENT text/html
<div style=""><svg width="640" height="240" viewBox="0 0 640 240" xmlns="http://www.w3.org/2000/svg">
<rect x="0" y="0" width="640" height="240" opacity="1" fill="#FFFFFF" stroke="none"/>
<line opacity="0.1" stroke="#000000" stroke-width="1" x1="35" y1="204" x2="35" y2="5"/>
<line opacity="0.1" stroke="#000000" stroke-width="1" x1="40" y1="204" x2="40" y2="5"/>
<line opacity="0.1" stroke="#000000" stroke-width="1" x1="46" y1="204" x2="46" y2="5"/>
<line opacity="0.1" stroke="#000000" stroke-width="1" x1="52" y1="204" x2="52" y2="5"/>
<line opacity="0.1" stroke="#000000" stroke-width="1" x1="58" y1="204" x2="58" y2="5"/>
<line opacity="0.1" stroke="#000000" stroke-width="1" x1="64" y1="204" x2="64" y2="5"/>
<line opacity="0.1" stroke="#000000" stroke-width="1" x1="70" y1="204" x2="70" y2="5"/>
<line opacity="0.1" stroke="#000000" stroke-width="1" x1="76" y1="204" x2="76" y2="5"/>
<line opacity="0.1" stroke=
52DA
"#000000" stroke-width="1" x1="82" y1="204" x2="82" y2="5"/>
<line opacity="0.1" stroke="#000000" stroke-width="1" x1="88" y1="204" x2="88" y2="5"/>
...
Why is that?
Cross posted here.
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