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[ gplot ] Package

The gplot package is designed to create and save various types of charts using the Gonum library. It provides a simple interface to generate and export charts in different formats such as PNG, PDF, JPEG, and SVG.

Installation

To install the gplot package, use the following command:

go get github.com/HazelnutParadise/insyra/gplot

Features

Bar Chart

BarChartConfig

  • Title: The title of the chart.
  • XAxis: Data for the X-axis (categories).
  • Data: The data for the series. Supported types:
    • []float64
    • *insyra.DataList
  • XAxisName: Optional: Name for the X-axis.
  • YAxisName: Optional: Name for the Y-axis.
  • BarWidth: Optional: Width of each bar in the chart. Default is 20.

CreateBarChart(config BarChartConfig) *plot.Plot

Creates a bar chart based on the provided configuration.

Example

bar_example

Histogram

HistogramConfig

  • Title: The title of the chart.
  • Data: The data for the histogram. Supported types:
    • []float64
    • *insyra.DataList
    • insyra.IDataList
  • XAxisName: Optional: Name for the X-axis.
  • YAxisName: Optional: Name for the Y-axis.
  • Bins: Number of bins for the histogram.

CreateHistogram(config HistogramConfig) *plot.Plot

Creates a histogram based on the provided configuration.

Example

histogram_example

Line Chart

LineChartConfig

  • Title: The title of the chart.
  • XAxis: Data for the X-axis (categories).
  • Data: The data for the series. Supported types:
    • map[string][]float64
    • []*insyra.DataList
    • []insyra.IDataList
  • XAxisName: Optional: Name for the X-axis.
  • YAxisName: Optional: Name for the Y-axis.

CreateLineChart(config LineChartConfig) *plot.Plot

Creates a line chart based on the provided configuration.

Example

line_example

Function Plot

FunctionPlotConfig

  • Title: The title of the chart.
  • XAxis: Label for the X-axis.
  • YAxis: Label for the Y-axis.
  • Func: The mathematical function to plot.
  • XMin: Minimum value of X (optional).
  • XMax: Maximum value of X (optional).
  • YMin: Minimum value of Y (optional).
  • YMax: Maximum value of Y (optional).

CreateFunctionPlot(config FunctionPlotConfig) *plot.Plot

Creates a function plot based on the provided configuration.

Usage of FunctionPlotConfig.Func

The Func field is a function that takes a float64 value as input and returns a float64 value as output. This function is used to generate the data points for the plot.

func(x float64) float64 {
	return x * x
}

Example

function_example

Saving Charts

func SaveChart(plt *plot.Plot, filename string)

Saves the plot to a file. Supported file formats: .jpg, .jpeg, .pdf, .png, .svg, .tex, .tif, .tiff Automatically determine the file extension based on the filename.