[BUG]: Mixed bar orientations hide one bar on initial render, but restyle renders correctly
还没有人认领这个 Issue。
评估
- 难度
- 4/5
- 预计耗时
- 3-5 天
- 新手友好度
- 45/100
- Issue 类型
- 缺陷
- 描述清晰度
- 基本清楚
- 活跃度
- 冷清
- 技术栈
- javascript, playwright, python
调研方向
运行提供的 Python 和 Playwright 复现,并将初始渲染的截图与 Plotly.restyle 的结果进行比较。追踪水平和垂直方向混合时的柱条渲染路径;完成的标准是两种渲染都显示全部三根红色柱条,且没有裁剪或由渲染时序导致的差异。
由索引模型根据 Issue 内容生成。
描述
Description
A figure with two go.Bar traces renders differently depending on when the second
trace is changed from horizontal to vertical.
If fig.data[1].orientation = "v" is set before the first render, one red vertical
bar is missing or clipped. If the same base figure is rendered first and the same
orientation value is applied later with Plotly.restyle, all three red bars are
visible.
Screenshots/Video
Steps to reproduce
import io
import plotly
import plotly.graph_objects as go
import plotly.io as pio
from PIL import Image, ImageChops
from playwright.sync_api import sync_playwright
print(f"Plotly version: {plotly.__version__}")
fig = go.Figure(
[
go.Bar(name="a", orientation="h", x=[1, 3, 2], y=[0, 1, 2]),
go.Bar(name="b", orientation="h", x=[3, 2, 1], y=[0, 1, 2]),
]
)
fig.update_layout(xaxis_title="value", yaxis_title="index", legend_title_text="variable")
# plot1.png: set orientation before the first render.
fig.data[1].orientation = "v"
assert fig.data[1].orientation == "v"
html1 = pio.to_html(fig, full_html=True, include_plotlyjs="cdn")
# plot2.png: render first, then apply the same value with Plotly.restyle.
fig.data[1].orientation = "h"
html2 = pio.to_html(fig, full_html=True, include_plotlyjs="cdn")
html2 = html2.replace(
"</body>",
"""
<script>
window.addEventListener("DOMContentLoaded", () => {
const plotEl = document.getElementsByClassName("plotly-graph-div")[0];
setTimeout(() => {
Plotly.restyle(plotEl, {"orientation": "v"}, [1]);
}, 1000);
});
</script>
</body>""",
)
with sync_playwright() as playwright:
browser = playwright.chromium.launch(
headless=True,
args=["--no-sandbox", "--disable-dev-shm-usage", "--disable-gpu"],
)
page = browser.new_page(viewport={"width": 1200, "height": 800})
page.set_content(html1)
page.wait_for_timeout(1500)
img1 = page.screenshot(path="plot1.png")
page.set_content(html2)
page.wait_for_timeout(2000)
img2 = page.screenshot(path="plot2.png")
browser.close()
diff = ImageChops.difference(
Image.open(io.BytesIO(img1)).convert("RGB"),
Image.open(io.BytesIO(img2)).convert("RGB"),
)
assert diff.getbbox() is not None, "Screenshots are unexpectedly identical."
print("Saved plot1.png and plot2.png")
```### Notes
_Add info here that doesn't fit in the other sections._
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