Inverted spline chart#

import easychart

data = [
    [0, 15],
    [10, -50],
    [20, -56.5],
    [30, -46.5],
    [40, -22.1],
    [50, -2.5],
    [60, -27.7],
    [70, -55.7],
    [80, -76.5],
]

chart = easychart.new()
chart.title = "Atmosphere Temperature by Altitude"
chart.subtitle = "According to the Standard Atmosphere Model"
chart.chart = {"type": "spline", "inverted": True}

with chart.xAxis as axis:
    axis.reversed = False
    axis.title.text = "Altitude"
    axis.labels.format = "{value} km"

with chart.yAxis as axis:
    axis.labels.format = "{value}&deg;"
    axis.title.text = "Temperature"
    axis.title.rotation = 0

chart.tooltip.headerFormat = "<b>{series.name}</b><br/>"
chart.tooltip.pointFormat = "{point.x} km: {point.y}&deg;C"

chart.legend.enabled = False
chart.append(data, name="temperature")
chart