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Joseph Damiba
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Merge pull request #2197 from plotly/marker-symbols
add examples for customizing marker symbols
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‎.circleci/create_conda_optional_env.sh

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@@ -14,7 +14,7 @@ if [ ! -d $HOME/miniconda/envs/circle_optional ]; then
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./miniconda.sh -b -p $HOME/miniconda
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# Create environment
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# PYTHON_VERSION=3.6
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# PYTHON_VERSION=2.7 or 3.5
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$HOME/miniconda/bin/conda create -n circle_optional --yes python=$PYTHON_VERSION \
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requests nbformat six retrying psutil pandas decorator pytest mock nose poppler xarray scikit-image ipython jupyter ipykernel ipywidgets
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‎doc/python/marker-style.md

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text_representation:
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extension: .md
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format_name: markdown
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format_version: "1.1"
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jupytext_version: 1.1.7
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format_version: '1.2'
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jupytext_version: 1.3.2
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kernelspec:
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display_name: Python 3
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language: python
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name: python
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nbconvert_exporter: python
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pygments_lexer: ipython3
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version: 3.6.5
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version: 3.7.0
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plotly:
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description: How to style markers in Python with Plotly.
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display_as: file_settings
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```
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### Custom Marker Symbols
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The `marker_symbol` attribute allows you to choose from a wide array of symbols to represent markers in your figures.
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The basic symbols are: `circle`, `square`, `diamond`, `cross`, `x`, `triangle`, `pentagon`, `hexagram`, `star`, `diamond`, `hourglass`, `bowtie`, `asterisk`, `hash`, `y`, and `line`.
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Each basic symbol is also represented by a number. Adding 100 to that number is equivalent to appending the suffix "-open" to a symbol name. Adding 200 is equivalent to appending "-dot" to a symbol name. Adding 300 is equivalent to appending "-open-dot" or "dot-open" to a symbol name.
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In the following figures, hover over a symbol to see its name or number. Set the `marker_symbol` attribute equal to that name or number to change the marker symbol in your figure.
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#### Basic Symbols
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```python
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import plotly.graph_objects as go
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fig = go.Figure()
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fig.update_layout(title="Basic Symbols")
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fig.update_xaxes(showticklabels=False)
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fig.update_yaxes(showticklabels=False)
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for index in range(27):
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fig.add_trace(go.Scatter(x=[(index % 6)], y=[index // 6], name="",
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marker_symbol=index, marker_color='black',
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marker_size=10, showlegend=False, mode="markers+text",
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textposition="middle right", text=f'<b>{index}</b>',
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hovertemplate=f'<b>Symbol Number: {index}</b>'))
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fig.show()
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```
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#### All Symbols
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```python
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import plotly.graph_objects as go
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symbols = [0, 'circle', 100, 'circle-open', 200, 'circle-dot', 300,
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'circle-open-dot', 1, 'square', 101, 'square-open', 201,
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'square-dot', 301, 'square-open-dot', 2, 'diamond', 102,
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'diamond-open', 202, 'diamond-dot', 302,
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'diamond-open-dot', 3, 'cross', 103, 'cross-open', 203,
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'cross-dot', 303, 'cross-open-dot', 4, 'x', 104, 'x-open',
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204, 'x-dot', 304, 'x-open-dot', 5, 'triangle-up', 105,
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'triangle-up-open', 205, 'triangle-up-dot', 305,
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'triangle-up-open-dot', 6, 'triangle-down', 106,
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'triangle-down-open', 206, 'triangle-down-dot', 306,
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'triangle-down-open-dot', 7, 'triangle-left', 107,
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'triangle-left-open', 207, 'triangle-left-dot', 307,
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'triangle-left-open-dot', 8, 'triangle-right', 108,
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'triangle-right-open', 208, 'triangle-right-dot', 308,
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'triangle-right-open-dot', 9, 'triangle-ne', 109,
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'triangle-ne-open', 209, 'triangle-ne-dot', 309,
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'triangle-ne-open-dot', 10, 'triangle-se', 110,
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'triangle-se-open', 210, 'triangle-se-dot', 310,
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'triangle-se-open-dot', 11, 'triangle-sw', 111,
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'triangle-sw-open', 211, 'triangle-sw-dot', 311,
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'triangle-sw-open-dot', 12, 'triangle-nw', 112,
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'triangle-nw-open', 212, 'triangle-nw-dot', 312,
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'triangle-nw-open-dot', 13, 'pentagon', 113,
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'pentagon-open', 213, 'pentagon-dot', 313,
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'pentagon-open-dot', 14, 'hexagon', 114, 'hexagon-open',
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214, 'hexagon-dot', 314, 'hexagon-open-dot', 15,
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'hexagon2', 115, 'hexagon2-open', 215, 'hexagon2-dot',
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315, 'hexagon2-open-dot', 16, 'octagon', 116,
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'octagon-open', 216, 'octagon-dot', 316,
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'octagon-open-dot', 17, 'star', 117, 'star-open', 217,
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'star-dot', 317, 'star-open-dot', 18, 'hexagram', 118,
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'hexagram-open', 218, 'hexagram-dot', 318,
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'hexagram-open-dot', 19, 'star-triangle-up', 119,
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'star-triangle-up-open', 219, 'star-triangle-up-dot', 319,
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'star-triangle-up-open-dot', 20, 'star-triangle-down',
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120, 'star-triangle-down-open', 220,
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'star-triangle-down-dot', 320,
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'star-triangle-down-open-dot', 21, 'star-square', 121,
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'star-square-open', 221, 'star-square-dot', 321,
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'star-square-open-dot', 22, 'star-diamond', 122,
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'star-diamond-open', 222, 'star-diamond-dot', 322,
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'star-diamond-open-dot', 23, 'diamond-tall', 123,
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'diamond-tall-open', 223, 'diamond-tall-dot', 323,
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'diamond-tall-open-dot', 24, 'diamond-wide', 124,
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'diamond-wide-open', 224, 'diamond-wide-dot', 324,
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'diamond-wide-open-dot', 25, 'hourglass', 125,
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'hourglass-open', 26, 'bowtie', 126, 'bowtie-open', 27,
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'circle-cross', 127, 'circle-cross-open', 28, 'circle-x',
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128, 'circle-x-open', 29, 'square-cross', 129,
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'square-cross-open', 30, 'square-x', 130, 'square-x-open',
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31, 'diamond-cross', 131, 'diamond-cross-open', 32,
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'diamond-x', 132, 'diamond-x-open', 33, 'cross-thin', 133,
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'cross-thin-open', 34, 'x-thin', 134, 'x-thin-open', 35,
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'asterisk', 135, 'asterisk-open', 36, 'hash', 136,
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'hash-open', 236, 'hash-dot', 336, 'hash-open-dot', 37,
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'y-up', 137, 'y-up-open', 38, 'y-down', 138,
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'y-down-open', 39, 'y-left', 139, 'y-left-open', 40,
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'y-right', 140, 'y-right-open', 41, 'line-ew', 141,
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'line-ew-open', 42, 'line-ns', 142, 'line-ns-open', 43,
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'line-ne', 143, 'line-ne-open', 44, 'line-nw', 144,
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'line-nw-open']
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fig = go.Figure()
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fig.update_layout(title="Custom Marker Symbols", height=800)
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fig.update_xaxes(showticklabels=False)
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fig.update_yaxes(showticklabels=False)
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for index, symbol in enumerate(symbols[::2]):
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fig.add_trace(go.Scatter(x=[(index % 16)], y=[(index // 16)],
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marker_symbol=symbol, marker_color=index,
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marker_size=20, showlegend=False, mode="markers+text",
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name='',
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hovertemplate=f'<b>Symbol Name: {symbols[2*index + 1]}</b><br><b>Symbol Number: {symbols[2*index]}</b>',
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textfont_size=8
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))
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fig.show()
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```
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### Reference
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See https://plot.ly/python/reference/ for more information and chart attribute options!

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