在 Python 中向 PyQT 图表添加单独的轴标签？

发布于 2025-01-12 02:09:00 字数 324 浏览 3 评论 0原文

我正处于项目的最后部分，我们只需要制作一个图表，显示节目和电影的数量及其收视趋势。我有 4 个不同的条形图项目，我想知道是否有办法为每个单独的条形图添加标签？例如，这是其中一个栏

y4 = [fourth]
x4 = [4.33]
bg4 = pg.BarGraphItem(x=x4, height=y4, width=0.2, brush='red', setLabel="Shows Down")
bg4.setX(0)
bg4.setY(0)

在此处输入图像描述

原文

I'm in the final portion of my project and we just need to make a graph showing the number of shows and movies with their rating trend. I have 4 different bar graph items and I was wondering if there's a way to add labels to each individual bar? For example here's one of the bars

y4 = [fourth]
x4 = [4.33]
bg4 = pg.BarGraphItem(x=x4, height=y4, width=0.2, brush='red', setLabel="Shows Down")
bg4.setX(0)
bg4.setY(0)

enter image description here

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幸福还没到 2025-01-19 02:09:01

您可以使用一组 TextItem 并将栏设置为其父级：

text = pg.TextItem('Some bar', angle=90, color='#ffff00')
# reparent the item and make it a child of the bar
text.setParentItem(bg4)
# set the position to the x of the bar
text.setX(x4[0])
# use the x as left of the text and the y as vertical middle (referenced
# to the text orientation)
text.setAnchor(QPointF(0, .5))

^{请注意，您不需要创建单独的条形，只要它们属于同一组并共享相同的颜色即可：只需添加 x 和 height 作为列表他们的立场和价值观。}

You could use a group of TextItem and set the bar as their parent:

text = pg.TextItem('Some bar', angle=90, color='#ffff00')
# reparent the item and make it a child of the bar
text.setParentItem(bg4)
# set the position to the x of the bar
text.setX(x4[0])
# use the x as left of the text and the y as vertical middle (referenced
# to the text orientation)
text.setAnchor(QPointF(0, .5))

^{Note that you don't need to create individual bars as long as they are part of the same group and share the same colors: just add the x and height as lists of their positions and values.}

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