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https://github.com/gridpoint-com/plox

Server-side rendered SVG graphing components for Phoenix and LiveView
https://github.com/gridpoint-com/plox

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Server-side rendered SVG graphing components for Phoenix and LiveView

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Plox
Plox

---

[![Build Status](https://github.com/gridpoint-com/plox/actions/workflows/ci.yml/badge.svg)](https://github.com/gridpoint-com/plox/actions) [![Hex.pm](https://img.shields.io/hexpm/v/plox.svg)](https://hex.pm/packages/plox) [![Documentation](https://img.shields.io/badge/documentation-gray)](https://hexdocs.pm/plox/)

Server-side rendered SVG graphing components for Phoenix and LiveView.

## Installation

Plox is [available in Hex](https://hex.pm/packages/plox), the package can be
installed by adding `plox` to your list of dependencies in `mix.exs`:

```elixir
def deps do
[
{:plox, "~> 0.1.0"}
]
end
```

Documentation is published on [HexDocs](https://hexdocs.pm) and can be found at
.

## Example

Example screenshot

Start by setting up your data, scales, and dataset:

```elixir
data = [
%{date: ~D[2023-08-01], value: 35.0},
%{date: ~D[2023-08-02], value: 60.0},
%{date: ~D[2023-08-03], value: 65.0},
%{date: ~D[2023-08-04], value: 10.0},
%{date: ~D[2023-08-05], value: 50.0}
]

date_scale = date_scale(Date.range(~D[2023-08-01], ~D[2023-08-05]))
number_scale = number_scale(0.0, 80.0)

dataset =
dataset(data,
x: {date_scale, & &1.date},
y: {number_scale, & &1.value}
)
```

Once you have those, you can build a `Plox.Graph` struct:

```elixir
example_graph =
to_graph(
scales: [date_scale: date_scale, number_scale: number_scale],
datasets: [dataset: dataset]
)
```

Finally, render the `Plox.Graph` directly within your HEEx template:

```html
<.graph :let={graph} id="example_graph" for={@example_graph} width="800" height="250">
<:legend>
<.legend_item color="#EC7E16" label="Data" />

<.x_axis :let={date} scale={graph[:date_scale]}>
<%= Calendar.strftime(date, "%-m/%-d") %>

<.y_axis :let={value} scale={graph[:number_scale]} ticks={5}>
<%= value %>

<.line_plot dataset={graph[:dataset]} color="#EC7E16" />

<.points_plot dataset={graph[:dataset]} color="#EC7E16" />

```