plot_mwe.qmd

```{julia}
using CSV, DataFrames, Plots, Downloads, ProgressMeter
```

Download data

```{julia}

if !isfile("bay_area_freeways.csv.gz")
    progress = nothing
    Downloads.download("https://files.indicatrix.org/bay_area_freeways.csv.gz", "bay_area_freeways.csv.gz",
        progress=(total, sofar) -> begin
            if total > 0 && isnothing(progress)
                progress = Progress(total)
            elseif total > 0
                update!(progress, sofar)
            end
        end)

    finish!(progress)
else
    println("Data already downloaded.")
end
```

## Read data

```{julia}
sensors = CSV.read("bay_area_freeways.csv.gz", DataFrame)
```

Make a large plot

```{julia}
# this will cause VSCode to hang
#scatter(sensors.avg_occ, sensors.avg_speed_mph, fmt=:png)

# This is small enough VSCode will not hang, but you can inspect to see that is rendered as SVG
scatter(sensors.avg_occ[1:1000], sensors.avg_speed_mph[1:1000], fmt=:png)
```