Python 带有次要 y 轴的 openpyxl 散点图
Python openpyxl scatter plots with secondary y-axis
有没有人有使用散点图在 Excel 中创建辅助 y 轴的 Python 代码示例?即使只是一些简单的事情,也会对我有很大帮助。我正在使用 openpyxl 在 Excel 中绘制多个系列,并希望其中一些与左轴相关联,一些与右轴相关联。我尝试使用 openpyxl Aliens/Humans 示例,但它使用条形图和折线图,我似乎无法让它适应散点图。
提前致谢!
梅丽莎
散点图看起来很像 openpyxl 中的折线图,因为散点图只是点之间有线的列表。要删除线条,请将线条样式设置为 noFill。此外 - 对于散点图,您需要额外的 X 坐标系列数据(excel 中的第 1 行)。
试试这个代码:
from openpyxl import Workbook
from openpyxl.chart import (
LineChart,
BarChart,
ScatterChart,
Reference,
Series,
)
wb = Workbook()
ws = wb.active
rows = [
['Index', 1,2,3,4,5,6], # needed as X coordinates for scatter chart
['Aliens', 2, 3, 4, 5, 6, 7], # aliens Y coordinates
['Humans', 10, 40, 50, 20, 10, 50] # humans Y coordinates
]
for row in rows:
ws.append(row)
# Aliens
c1 = ScatterChart()
xvalues = Reference(ws, min_col=1, min_row=1, max_col=7)
values = Reference(ws, min_col=1, min_row=2, max_col=7)
series = Series(values, xvalues, title_from_data=True)
c1.series.append(series)
s1 = c1.series[0]
s1.marker.symbol = "triangle"
s1.marker.graphicalProperties.solidFill = "FF0000" # Marker filling
s1.marker.graphicalProperties.line.solidFill = "FF0000" # Marker outline
s1.graphicalProperties.line.noFill = True # hide lines
c1.style = 13
c1.x_axis.title = 'Days'
c1.y_axis.title = 'Aliens'
c1.y_axis.majorGridlines = None
c1.x_axis.majorGridlines = None
c1.title = 'Survey results'
# Humans
c2 = ScatterChart()
xvalues = Reference(ws, min_col=1, min_row=1, max_col=7)
values = Reference(ws, min_col=1, min_row=3, max_col=7)
series = Series(values, xvalues, title_from_data=True)
c2.series.append(series)
s2 = c2.series[0]
s2.marker.symbol = "diamond"
s2.marker.graphicalProperties.solidFill = "0000FF" # Marker filling
s2.marker.graphicalProperties.line.solidFill = "0000FF" # Marker outline
s2.graphicalProperties.line.noFill = True # hide lines
c2.style = 13
c2.x_axis.title = 'Days'
c2.y_axis.title = 'Humans'
c2.y_axis.axId = 200
c2.y_axis.majorGridlines = None
c2.x_axis.majorGridlines = None
# Display y-axis of the second chart on the right by setting it to cross the x-axis at its maximum
c1.y_axis.crosses = "max"
c1 += c2
ws.add_chart(c1, "D4")
wb.save("secondary.xlsx")
输出(在Excel)
有没有人有使用散点图在 Excel 中创建辅助 y 轴的 Python 代码示例?即使只是一些简单的事情,也会对我有很大帮助。我正在使用 openpyxl 在 Excel 中绘制多个系列,并希望其中一些与左轴相关联,一些与右轴相关联。我尝试使用 openpyxl Aliens/Humans 示例,但它使用条形图和折线图,我似乎无法让它适应散点图。
提前致谢! 梅丽莎
散点图看起来很像 openpyxl 中的折线图,因为散点图只是点之间有线的列表。要删除线条,请将线条样式设置为 noFill。此外 - 对于散点图,您需要额外的 X 坐标系列数据(excel 中的第 1 行)。
试试这个代码:
from openpyxl import Workbook
from openpyxl.chart import (
LineChart,
BarChart,
ScatterChart,
Reference,
Series,
)
wb = Workbook()
ws = wb.active
rows = [
['Index', 1,2,3,4,5,6], # needed as X coordinates for scatter chart
['Aliens', 2, 3, 4, 5, 6, 7], # aliens Y coordinates
['Humans', 10, 40, 50, 20, 10, 50] # humans Y coordinates
]
for row in rows:
ws.append(row)
# Aliens
c1 = ScatterChart()
xvalues = Reference(ws, min_col=1, min_row=1, max_col=7)
values = Reference(ws, min_col=1, min_row=2, max_col=7)
series = Series(values, xvalues, title_from_data=True)
c1.series.append(series)
s1 = c1.series[0]
s1.marker.symbol = "triangle"
s1.marker.graphicalProperties.solidFill = "FF0000" # Marker filling
s1.marker.graphicalProperties.line.solidFill = "FF0000" # Marker outline
s1.graphicalProperties.line.noFill = True # hide lines
c1.style = 13
c1.x_axis.title = 'Days'
c1.y_axis.title = 'Aliens'
c1.y_axis.majorGridlines = None
c1.x_axis.majorGridlines = None
c1.title = 'Survey results'
# Humans
c2 = ScatterChart()
xvalues = Reference(ws, min_col=1, min_row=1, max_col=7)
values = Reference(ws, min_col=1, min_row=3, max_col=7)
series = Series(values, xvalues, title_from_data=True)
c2.series.append(series)
s2 = c2.series[0]
s2.marker.symbol = "diamond"
s2.marker.graphicalProperties.solidFill = "0000FF" # Marker filling
s2.marker.graphicalProperties.line.solidFill = "0000FF" # Marker outline
s2.graphicalProperties.line.noFill = True # hide lines
c2.style = 13
c2.x_axis.title = 'Days'
c2.y_axis.title = 'Humans'
c2.y_axis.axId = 200
c2.y_axis.majorGridlines = None
c2.x_axis.majorGridlines = None
# Display y-axis of the second chart on the right by setting it to cross the x-axis at its maximum
c1.y_axis.crosses = "max"
c1 += c2
ws.add_chart(c1, "D4")
wb.save("secondary.xlsx")
输出(在Excel)