wchart

Feb 4, 2024

Changes in this version

+ func WritePNGFile(filename string, c ChartType) error

type Table

+ func (tbl *Table) ScatterPlotWritePNG(w io.Writer, title, xColName, yColName string, dotWidth float64) error

Feb 2, 2024

Changes in this version

+ type Table struct

+ Table *tablef64.Table

+ func (tbl *Table) BoxPlot(values []float64) (*plotter.BoxPlot, error)

+ func (tbl *Table) BoxPlotColNameWritePNGFile(filename, title, colName string) error

+ func (tbl *Table) ScatterPlot(title, xColName, yColName string, dotWidth float64) (chart.Chart, error)

+ func (tbl *Table) ScatterPlotWritePNGFile(filename, title, xColName, yColName string, dotWidth float64) error

Mar 29, 2022

Changes in this version

+ var ColorGreen = drawing.Color

+ var ColorOrange = drawing.Color

+ func ColorImageToDrawing(col color.RGBA) drawing.Color

+ func GridLines(values []float64, style chart.Style) []chart.GridLine

+ func MustParseColor(colorName string) drawing.Color

+ func ParseColor(colorName string) (drawing.Color, error)

+ func TSSToChart(data timeseries.TimeSeriesSet, opts ChartOptions) chart.Chart

+ func Ticks(tickValues []float64, fn strconvutil.Float64ToString) []chart.Tick

+ func TicksAndGridlinesTime(interval timeutil.Interval, timeBegin, timeEnd time.Time, ...) ([]chart.Tick, []chart.GridLine)

+ func TicksInt64(tickValues []int64, fn strconvutil.Int64ToString) []chart.Tick

+ func TimeSeriesMapToContinuousSeriesMonths(dsm map[string]timeseries.TimeSeries, order []string) []chart.ContinuousSeries

+ func TimeSeriesMapToContinuousSeriesQuarters(dsm map[string]timeseries.TimeSeries, order []string) []chart.ContinuousSeries

+ func TimeSeriesToContinuousSeries(ds timeseries.TimeSeries) chart.ContinuousSeries

+ func TimeSeriesToContinuousSeriesQuarter(ds timeseries.TimeSeries) chart.ContinuousSeries

+ func WritePNG(filename string, thisChart ChartType) error

+ type ChartOptions struct

+ LegendEnable bool

+ XAxisTimeLayout string

+ YAxisLeft bool

+ type ChartType interface

+ Render func(rp chart.RendererProvider, w io.Writer) error

+ type Colors struct

+ AxisStrokeColorVal drawing.Color

+ BackgroundColorVal drawing.Color

+ BackgroundStrokeColorVal drawing.Color

+ CanvasColorVal drawing.Color

+ CanvasStrokeColorVal drawing.Color

+ SeriesColorVal drawing.Color

+ TextColorVal drawing.Color

+ func ColorsDefault() Colors

+ func (c Colors) AxisStrokeColor() drawing.Color

+ func (c Colors) BackgroundColor() drawing.Color

+ func (c Colors) BackgroundStrokeColor() drawing.Color

+ func (c Colors) CanvasColor() drawing.Color

+ func (c Colors) CanvasStrokeColor() drawing.Color

+ func (c Colors) GetSeriesColor(index int) drawing.Color

+ func (c Colors) TextColor() drawing.Color

+ type TimeFormatter struct

+ Layout string

+ func (tvf *TimeFormatter) FormatTime(v interface{}) string