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365 changes: 365 additions & 0 deletions docs/library/graphing/other-charts/plotly.md
Original file line number Diff line number Diff line change
Expand Up @@ -131,6 +131,87 @@ def plotly_box_plot():
return rx.center(rx.plotly(data=box_fig))
```

### Bubble Chart

A bubble chart is a scatter plot in which a third dimension of the data is shown through the size of the markers. Create one with `px.scatter` by passing a column to the `size` argument:

```python demo exec
gapminder = px.data.gapminder()
bubble_fig = px.scatter(
gapminder.query("year==2007"),
x="gdpPercap",
y="lifeExp",
size="pop",
color="continent",
hover_name="country",
log_x=True,
size_max=60,
title="GDP per capita vs life expectancy (2007)",
)


def plotly_bubble_chart():
return rx.center(rx.plotly(data=bubble_fig))
```

### Gantt Chart

A Gantt chart is a type of bar chart that illustrates a project schedule: tasks are listed on the vertical axis, time intervals on the horizontal axis, and the width of each bar shows the duration of the activity. Create one with `px.timeline`:

```python demo exec
tasks = pd.DataFrame([
dict(Task="Job A", Start="2009-01-01", Finish="2009-02-28"),
dict(Task="Job B", Start="2009-03-05", Finish="2009-04-15"),
dict(Task="Job C", Start="2009-02-20", Finish="2009-05-30"),
])
gantt_fig = px.timeline(tasks, x_start="Start", x_end="Finish", y="Task")
# Reverse the y-axis so tasks are listed top-down instead of bottom-up.
gantt_fig.update_yaxes(autorange="reversed")


def plotly_gantt_chart():
return rx.center(rx.plotly(data=gantt_fig))
```

### Sunburst Chart

Sunburst charts visualize hierarchical data spanning outwards radially from root to leaves: the root sits at the center and children are added to the outer rings. Create one with `px.sunburst`, defining the hierarchy with `names` and `parents`:

```python demo exec
family = dict(
character=["Eve", "Cain", "Seth", "Enos", "Noam", "Abel", "Awan", "Enoch", "Azura"],
parent=["", "Eve", "Eve", "Seth", "Seth", "Eve", "Eve", "Awan", "Eve"],
value=[10, 14, 12, 10, 2, 6, 6, 4, 4],
)
sunburst_fig = px.sunburst(family, names="character", parents="parent", values="value")


def plotly_sunburst_chart():
return rx.center(rx.plotly(data=sunburst_fig))
```

### Funnel Chart

Funnel charts represent data as it moves through the stages of a business process, making them a common Business Intelligence tool for spotting where a process loses volume. Create one with `px.funnel`:

```python demo exec
funnel_data = dict(
number=[39, 27.4, 20.6, 11, 2],
stage=[
"Website visit",
"Downloads",
"Potential customers",
"Requested price",
"Invoice sent",
],
)
funnel_fig = px.funnel(funnel_data, x="number", y="stage")


def funnel_chart():
return rx.center(rx.plotly(data=funnel_fig))
Comment on lines +211 to +212

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P2 Naming inconsistency: funnel_chart breaks the plotly_* prefix convention

Every other chart function in the "Plotly Express Chart Types" section uses the plotly_ prefix (e.g. plotly_bar_chart, plotly_scatter_plot, plotly_box_plot). funnel_chart is the only one that doesn't, which will look inconsistent to readers copying the pattern.

Suggested change
def funnel_chart():
return rx.center(rx.plotly(data=funnel_fig))
def plotly_funnel_chart():
return rx.center(rx.plotly(data=funnel_fig))

Note: If this suggestion doesn't match your team's coding style, reply to this and let me know. I'll remember it for next time!

```

## Locale Configuration

Use `locale` to localize Plotly number/date formatting and modebar labels:
Expand Down Expand Up @@ -181,6 +262,290 @@ def mountain_surface():

📊 **Dataset source:** [mt_bruno_elevation.csv](https://raw.githubusercontent.com/plotly/datasets/master/api_docs/mt_bruno_elevation.csv)

## Financial Charts

### Candlestick Chart

The candlestick chart is a financial chart describing the open, high, low, and close values for a given x coordinate (most likely time): boxes show the spread between open and close, and lines show the spread between low and high. Create one with `go.Candlestick`:

```python demo exec
candles = pd.read_csv(
"https://raw.githubusercontent.com/plotly/datasets/master/finance-charts-apple.csv"
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P2 Badge Avoid fetching remote data during docs render

This python demo exec block is executed while the docs page is rendered (_render_demo runs _exec_code for these fences in docs/app/reflex_docs/docgen_pipeline.py), so reading the CSV from GitHub here makes the Plotly docs page depend on external network availability and latency. In offline/local builds or transient GitHub failures this single example prevents the page from rendering; use a small inline DataFrame or a checked-in docs data file instead.

Useful? React with 👍 / 👎.

)
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P1 Remote CSV fetch at module level contradicts PR's stated approach

The PR description explicitly states that "source snippets that fetched remote CSVs/JSON at import time were deliberately dropped or replaced" — yet the Candlestick example still calls pd.read_csv("https://raw.githubusercontent.com/...") at module level. Because python demo exec blocks run at import time, a network failure, rate limit, or GitHub unavailability will cause an unhandled exception that breaks the entire docs page. Replace with a small inline DataFrame using hardcoded OHLC values, matching the self-contained pattern used by all other new examples in this PR.

candlestick_fig = go.Figure(
data=[
go.Candlestick(
x=candles["Date"],
open=candles["AAPL.Open"],
high=candles["AAPL.High"],
low=candles["AAPL.Low"],
close=candles["AAPL.Close"],
)
]
)
candlestick_fig.update_layout(
title=dict(text="AAPL Stock Price"),
yaxis=dict(title=dict(text="AAPL Stock")),
)


def candlestick_chart():
return rx.center(rx.plotly(data=candlestick_fig))
```

### Waterfall Chart

The waterfall chart visualizes how an initial value is affected by a series of positive and negative changes — for example, a profit and loss statement. Create one with `go.Waterfall`, marking each value as `"relative"` or `"total"` via the `measure` argument:

```python demo exec
waterfall_fig = go.Figure(
go.Waterfall(
name="20",
orientation="v",
measure=["relative", "relative", "total", "relative", "relative", "total"],
x=[
"Sales",
"Consulting",
"Net revenue",
"Purchases",
"Other expenses",
"Profit before tax",
],
textposition="outside",
text=["+60", "+80", "", "-40", "-20", "Total"],
y=[60, 80, 0, -40, -20, 0],
connector={"line": {"color": "rgb(63, 63, 63)"}},
)
)
waterfall_fig.update_layout(title="Profit and loss statement 2018", showlegend=True)


def waterfall_chart():
return rx.center(rx.plotly(data=waterfall_fig))
```

### Bullet Chart

The bullet chart, designed by Stephen Few as a compact replacement for dashboard gauges and meters, combines a quantitative bar, qualitative ranges (steps), and a performance threshold line in one simple layout. Build one with `go.Indicator` using the `"bullet"` gauge shape:

```python demo exec
bullet_fig = go.Figure(
go.Indicator(
mode="number+gauge+delta",
value=180,
delta={"reference": 200},
domain={"x": [0.25, 1], "y": [0.4, 0.6]},
title={"text": "Revenue"},
gauge={
"shape": "bullet",
"axis": {"range": [None, 300]},
"threshold": {
"line": {"color": "black", "width": 2},
"thickness": 0.75,
"value": 170,
},
"steps": [
{"range": [0, 150], "color": "gray"},
{"range": [150, 250], "color": "lightgray"},
],
"bar": {"color": "black"},
},
)
).update_layout(height=250)


def bullet_chart():
return rx.center(rx.plotly(data=bullet_fig))
```

## Statistical Charts

### Continuous Error Bands

Continuous error bands represent error or uncertainty as a shaded region around a main trace, rather than as discrete whisker-like error bars. Build one with `go.Scatter` by drawing the main line, then a second trace that walks the upper bound forward and the lower bound in reverse, filled with `fill="toself"`:

```python demo exec
band_x = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
band_y = [1, 2, 7, 4, 5, 6, 7, 8, 9, 10]
band_y_upper = [2, 3, 8, 5, 6, 7, 8, 9, 10, 11]
band_y_lower = [0, 1, 5, 3, 4, 5, 6, 7, 8, 9]

error_band_fig = go.Figure([
go.Scatter(
x=band_x,
y=band_y,
line=dict(color="rgb(0,100,80)"),
mode="lines",
),
go.Scatter(
x=band_x + band_x[::-1], # x, then x reversed
y=band_y_upper + band_y_lower[::-1], # upper, then lower reversed
fill="toself",
fillcolor="rgba(0,100,80,0.2)",
line=dict(color="rgba(255,255,255,0)"),
hoverinfo="skip",
showlegend=False,
),
])


def continuous_error_bands_chart():
return rx.center(rx.plotly(data=error_band_fig))
```

## Maps

### Geo Map

Geo maps are outline-based maps drawn from geographic features rather than map tiles. Figures created with `px.scatter_geo`, `px.line_geo`, or `px.choropleth` — or containing `go.Scattergeo` or `go.Choropleth` traces — store their map configuration in the figure's `layout.geo` object, which you can adjust with `update_geos`:

```python demo exec
geo_fig = go.Figure(go.Scattergeo())
geo_fig.update_geos(
visible=False,
resolution=50,
showlakes=True,
lakecolor="Blue",
showrivers=True,
rivercolor="Blue",
)
geo_fig.update_layout(height=300, margin={"r": 0, "t": 0, "l": 0, "b": 0})


def geo_map_chart():
return rx.center(rx.plotly(data=geo_fig))
```

### Scatter Map

Scatter maps plot markers on a tile-based map, sized and colored by your data — useful for visualizing geographic point data like vehicle locations or store sites. Create one with `px.scatter_map` (or a `go.Scattermap` trace for lower-level control):

```python demo exec
carshare = px.data.carshare()
map_fig = px.scatter_map(
carshare,
lat="centroid_lat",
lon="centroid_lon",
color="peak_hour",
size="car_hours",
color_continuous_scale=px.colors.cyclical.IceFire,
size_max=15,
zoom=10,
)


def scatter_map_chart():
return rx.center(rx.plotly(data=map_fig))
```

## Tables and Diagrams

### Table

Plotly can also render data as an interactive table. Create one with `go.Table`, passing column headers to `header` and column data to `cells`:

```python demo exec
table_fig = go.Figure(
data=[
go.Table(
header=dict(values=["A Scores", "B Scores"]),
cells=dict(values=[[100, 90, 80, 90], [95, 85, 75, 95]]),
)
]
)


def plotly_table():
return rx.center(rx.plotly(data=table_fig))
```

### Sankey Diagram

A Sankey diagram is a flow diagram in which the width of the arrows is proportional to the flow quantity. Create one with `go.Sankey`, defining the nodes and the links between them by index:

```python demo exec
sankey_fig = go.Figure(
data=[
go.Sankey(
node=dict(
pad=15,
thickness=20,
line=dict(color="black", width=0.5),
label=["A1", "A2", "B1", "B2", "C1", "C2"],
color="blue",
),
link=dict(
# Indices correspond to node labels, e.g. A1, A2, B1, ...
source=[0, 1, 0, 2, 3, 3],
target=[2, 3, 3, 4, 4, 5],
value=[8, 4, 2, 8, 4, 2],
),
)
]
)
sankey_fig.update_layout(title_text="Basic Sankey Diagram", font_size=10)


def plotly_sankey_diagram():
return rx.center(rx.plotly(data=sankey_fig))
```

## 3D Charts

### 3D Scatter Plot

3D scatter plots show the relationship between three variables at once, with an optional fourth encoded as color. Create one with `px.scatter_3d`:

```python demo exec
iris_3d = px.data.iris()
scatter_3d_fig = px.scatter_3d(
iris_3d,
x="sepal_length",
y="sepal_width",
z="petal_width",
color="species",
)


def scatter_3d_chart():
return rx.center(rx.plotly(data=scatter_3d_fig))
```

### 3D Axis

3D figures place their traces in a scene, and each scene axis is configured through the figure's `scene` layout — set `nticks`, `range`, or axis titles per axis. This example renders a `go.Mesh3d` cloud with custom tick counts and ranges on all three axes:

```python demo exec
import numpy as np

np.random.seed(1)
N = 70

mesh_fig = go.Figure(
data=[
go.Mesh3d(
x=(70 * np.random.randn(N)),
y=(55 * np.random.randn(N)),
z=(40 * np.random.randn(N)),
opacity=0.5,
color="rgba(244,22,100,0.6)",
)
]
)
mesh_fig.update_layout(
scene=dict(
xaxis=dict(nticks=4, range=[-100, 100]),
yaxis=dict(nticks=4, range=[-50, 100]),
zaxis=dict(nticks=4, range=[-100, 100]),
),
margin=dict(r=20, l=10, b=10, t=10),
)


def axis_3d_chart():
return rx.center(rx.plotly(data=mesh_fig))
```

## Plot as State Var

If the figure is set as a state var, it can be updated during run time.
Expand Down
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