https://github.com/vdobler/chart

Provide basic charts in go
https://github.com/vdobler/chart

Last synced: 4 months ago
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Provide basic charts in go

• Host: GitHub
• URL: https://github.com/vdobler/chart
• Owner: vdobler
• License: bsd-3-clause
• Created: 2011-06-27T12:19:42.000Z (over 13 years ago)
• Default Branch: master
• Last Pushed: 2021-06-03T05:17:13.000Z (over 3 years ago)
• Last Synced: 2024-07-31T20:52:49.172Z (6 months ago)
• Language: Go
• Homepage:
• Size: 3.63 MB
• Stars: 771
• Watchers: 42
• Forks: 105
• Open Issues: 6
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        

Charts for Go

=============

Basic charts in go.

This package focuses more on autoscaling, error bars,

and logarithmic plots than on beautifull or marketing

ready charts.

## Examples

![Some nice charts](https://github.com/vdobler/chart/raw/master/example/bestof.png)

## Chart Types

The following chart types are implemented:

* Strip Charts

* Scatter / Function-Plot Charts

* Histograms

* Bar and Categorical Bar Charts

* Pie/Ring Charts

* Boxplots

## Some Features

* Axis can be linear, logarithmical, categorical or time/date axis.

* Autoscaling with lots of options

* Fine control of tics and labels

## Output / Graphic Formats

Package chart itself provideds the charts/plots itself, the charts/plots

can be output to different graphic drivers.  Currently

* txtg: ASCII art charts

* svgg: scalable vector graphics (via github.com/ajstarks/svgo), and

* imgg: Go image.RGBA (via code.google.com/p/draw2d/draw2d/ and code.google.com/p/freetype-go) 

are implemented.

For a quick overview save as xbestof.{png,svg,txt} run

```bash

  $ example/example -best

```

A fuller overview can be generated by

```bash

  $ example/example -All

```

## Quirks

* Style handling (especialy colour) is a bit of a mess .

* Text based charts are cute. But the general graphics would be much easier without.

* Time handling code dates back to pre Go1, it should be reworked.