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Add clarification on colors with open markers #4485

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Merged
merged 3 commits into from
Feb 7, 2024
Merged

Add clarification on colors with open markers #4485

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5014eae
Update marker-style.md
LiamConnors Jan 19, 2024
d42b6b3
Update doc/python/marker-style.md
LiamConnors Feb 5, 2024
5432c58
Merge branch 'doc-prod' into update-marker-docs
LiamConnors Feb 7, 2024
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31 changes: 28 additions & 3 deletions doc/python/marker-style.md
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Expand Up @@ -6,7 +6,7 @@ jupyter:
extension: .md
format_name: markdown
format_version: '1.3'
jupytext_version: 1.14.1
jupytext_version: 1.14.6
kernelspec:
display_name: Python 3 (ipykernel)
language: python
Expand All @@ -20,7 +20,7 @@ jupyter:
name: python
nbconvert_exporter: python
pygments_lexer: ipython3
version: 3.8.0
version: 3.10.11
plotly:
description: How to style markers in Python with Plotly.
display_as: file_settings
Expand Down Expand Up @@ -361,7 +361,7 @@ fig.show()

### Using a Custom Marker

To use a custom marker, set the `symbol` on the `marker`. Here we set it to `diamond`.
To use a custom marker, set the `symbol` on the `marker`. Here we set it to `diamond`.


```python
Expand All @@ -378,6 +378,31 @@ fig.show()

```

#### Open Marker Colors

In the previous example, each marker has two colors, a marker color (set in Plotly Express with `color="species"`) and a line color (set on the line with `color="DarkSlateGrey"`. When using open markers, like `"diamond-open"` in the following example, the marker always uses only the marker color. Adding a line color won't update the marker.
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@rl-utility-man rl-utility-man Jan 19, 2024 •
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Thanks @LiamConnors! Is something like the following a clearer version of the second sentence?

All open markers, like "diamond-open" in the following example, have a transparent fill which means the user can specify only one color. The user specifies the single color using the marker color parameter and that parameter controls the outline, and any dot or cross. For open markers, the marker color is the only user controllable color and the line color does nothing.


```python
import plotly.express as px

df = px.data.iris()
fig = px.scatter(df, x="sepal_width", y="sepal_length", color="species")

fig.update_traces(
marker=dict(
size=8,
symbol="diamond-open",
line=dict(
width=2,
# color="DarkSlateGrey" Line colors don't apply to open markers
)
),
selector=dict(mode="markers"),
)

fig.show()
```

### Setting Marker Angles


Expand Down