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Scatter plot filltozeroy fails on multi-signed values #2322

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MattAmos opened this issue Mar 27, 2020 · 3 comments
Open

Scatter plot filltozeroy fails on multi-signed values #2322

MattAmos opened this issue Mar 27, 2020 · 3 comments
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bug something broken P3 backlog

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@MattAmos
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Apologies if this is a duplicate issue, but a similar one could not be found.

For scatter plot data containing both positive and negative values, fill="tozeroy" does not correctly fill under the trace as I expected. I'm not sure if this is a future feature or current bug, but I couldn't find documentation which states that scatter plot filling for both negative and positive values was not supported.

plotly.__version__

4.5.4

from plotly import graph_objects as go
import numpy as np

x = np.linspace(0, 100)
y = np.random.rand(100) - 0.5

fig = go.Figure(data=go.Scattergl(x=x, y=y, fill="tozeroy"))
fig.show()

image
@MattAmos MattAmos changed the title Scatter plot fill to zero y fails on negative values Scatter plot filltozeroy fails on negative values Mar 27, 2020
@MattAmos MattAmos changed the title Scatter plot filltozeroy fails on negative values Scatter plot filltozeroy fails on multi-signed values Mar 27, 2020
@marcus-maro
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@MattAmos did you find a solution to this problem? I am experiencing the same issue.

@MattAmos
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@MattAmos did you find a solution to this problem? I am experiencing the same issue.

Hi @marcus-maro, I didn't find a solution using go.Scattergl, but did find a workaround using go.Scatter.

from plotly import graph_objects as go
import numpy as np

x = np.linspace(0, 100)
y = np.random.rand(100) - 0.5

fig = go.Figure(data=go.Scattergl(x=x, y=y, fill="tozeroy"))
fig.show()

fig = go.Figure(data=go.Scatter(x=x, y=y, fill="tozeroy"))
fig.show()

image
image

I'll reopen this issue as it seems like this is a genuine issue with go.Scattergl not performing in the same manner as go.Scatter.

@MattAmos MattAmos reopened this Sep 16, 2020
@nicolaskruchten
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Indeed, scattergl does not have as good support for filled areas as scatter and this is a bug, although it'll have to be fixed in Plotly.js... there are a few current known shortcomings with this combination of features: plotly/plotly.js#2291 and plotly/plotly.js#4017

@gvwilson gvwilson self-assigned this Jun 18, 2024
@gvwilson gvwilson removed their assignment Aug 2, 2024
@gvwilson gvwilson added P3 backlog bug something broken labels Aug 12, 2024
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@nicolaskruchten @gvwilson @MattAmos @marcus-maro