在工作表中以列或行排列的数据可以在雷达图中绘制。雷达图比较多个数据序列的总值。它实际上是面积图在x轴上的投影。
雷达图有两种类型:标准型雷达图,用线标记区域;填充型雷达图,用线填充整个区域;另一种类型marker是无效。如果需要标记,可以为相关系列设置这些标记。
from openpyxl import Workbook
from openpyxl.chart import (
RadarChart,
Reference,
)
wb = Workbook()
ws = wb.active
rows = [
['Month', "Bulbs", "Seeds", "Flowers", "Trees & shrubs"],
['Jan', 0, 2500, 500, 0,],
['Feb', 0, 5500, 750, 1500],
['Mar', 0, 9000, 1500, 2500],
['Apr', 0, 6500, 2000, 4000],
['May', 0, 3500, 5500, 3500],
['Jun', 0, 0, 7500, 1500],
['Jul', 0, 0, 8500, 800],
['Aug', 1500, 0, 7000, 550],
['Sep', 5000, 0, 3500, 2500],
['Oct', 8500, 0, 2500, 6000],
['Nov', 3500, 0, 500, 5500],
['Dec', 500, 0, 100, 3000 ],
]
for row in rows:
ws.append(row)
chart = RadarChart()
chart.type = "filled"
labels = Reference(ws, min_col=1, min_row=2, max_row=13)
data = Reference(ws, min_col=2, max_col=5, min_row=1, max_row=13)
chart.add_data(data, titles_from_data=True)
chart.set_categories(labels)
chart.style = 26
chart.title = "Garden Centre Sales"
chart.y_axis.delete = True
ws.add_chart(chart, "A17")
wb.save("radar.xlsx")