ggplot

package module

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Versions in this module

v0

v0.0.8

May 24, 2026

Changes in this version

type BuiltLayer

+ AlphaCol string

+ AlphaScale scale.Scale

+ LinetypeCol string

+ LinetypeScale scale.Scale

+ ShapeCol string

+ ShapeScale scale.Scale

+ SizeCol string

+ SizeScale scale.Scale

type DrawContext

+ AlphaCol string

+ AlphaScale scale.Scale

+ LinetypeCol string

+ LinetypeScale scale.Scale

+ ShapeCol string

+ ShapeScale scale.Scale

+ SizeCol string

+ SizeScale scale.Scale

type LegendEntry

+ Linetype []float64

+ Shape string

type Plot

+ func (p *Plot) ScaleAlpha(rangeMin, rangeMax float64) *Plot

+ func (p *Plot) ScaleAlphaIdentity() *Plot

+ func (p *Plot) ScaleLinetype() *Plot

+ func (p *Plot) ScaleLinetypeManual(m map[string]string) *Plot

+ func (p *Plot) ScaleShape() *Plot

+ func (p *Plot) ScaleShapeManual(m map[string]string) *Plot

+ func (p *Plot) ScaleSize(rangeMin, rangeMax float64) *Plot

+ func (p *Plot) ScaleSizeArea() *Plot

+ func (p *Plot) ScaleSizeIdentity() *Plot

type PlotSpec

+ AlphaScale scale.Scale

+ LinetypeScale scale.Scale

+ ShapeScale scale.Scale

+ SizeScale scale.Scale

v0.0.7

May 22, 2026

Changes in this version

type ColorBarSpec

+ BarWidth float64

+ NBin int

type LegendEntry

+ Glyph LegendGlyph

+ type LegendGlyph int

+ const GlyphLine

+ const GlyphPoint

+ const GlyphRect

type Plot

+ func (p *Plot) ColorBarNBin(n int) *Plot

+ func (p *Plot) ColorBarWidth(w float64) *Plot

+ func (p *Plot) LegendCols(n int) *Plot

type PlotSpec

+ ColorBarNBin int

+ ColorBarWidth float64

+ LegendNCols int

v0.0.6

May 22, 2026

Changes in this version

+ type Error struct

+ Cause error

+ Layer int

+ Msg string

+ Phase Phase

+ Stage string

+ func Errorf(phase Phase, layer int, stage string, cause error, msg string, args ...any) *Error

+ func (e *Error) Error() string

+ func (e *Error) Unwrap() error

+ type Phase int

+ const PhaseBuild

+ const PhaseDraw

+ const PhaseRender

+ func (p Phase) String() string

v0.0.5

May 21, 2026

Changes in this version

type Built

+ func (b *Built) Explain() string

+ func (b *Built) PipelineFor(panel, layer int) []string

type RenderOpt

+ func WithCPU() RenderOpt

v0.0.4

May 14, 2026

Changes in this version

+ const ColGroup

+ const ColPANEL

+ type AesMap map[string]string

+ func ToAesMap(mappings []aes.Mapping) AesMap

+ func (a AesMap) Merge(other AesMap) AesMap

+ type Built struct

+ func (b *Built) Draw(ctx context.Context, cv canvas.Canvas, width, height int) error

+ func (b *Built) DrawCanvas(ctx context.Context, width, height int) (*canvas.GGCanvas, error)

+ func (b *Built) Labels() Labels

+ func (b *Built) LayerData(panel, layer int) dataset.Dataset

+ func (b *Built) NumLayers(panel int) int

+ func (b *Built) NumPanels() int

+ func (b *Built) PanelLayout() Layout

+ func (b *Built) Save(ctx context.Context, filename string, width, height int, opts ...RenderOpt) error

+ func (b *Built) Theme() theme.Theme

+ func (b *Built) WriteTo(ctx context.Context, w io.Writer, format string, width, height int, ...) (int64, error)

+ type BuiltLayer struct

+ ContColScale *colormap.Scale

+ ContColorCol string

+ Data dataset.Dataset

+ Geom geom.Layer

+ Mapping AesMap

+ type BuiltPanel struct

+ ColorBarSpec *ColorBarSpec

+ Label string

+ Layers []BuiltLayer

+ LegendEntries []LegendEntry

+ LegendTitle string

+ XIsDiscrete bool

+ XScale scale.Scale

+ YScale scale.Scale

+ type ColorBarSpec struct

+ Cmap colormap.Cmap

+ Norm colormap.Norm

+ Title string

+ type Labels struct

+ Caption string

+ Subtitle string

+ Title string

+ X string

+ Y string

+ type LayerSpec struct

+ Geom geom.Layer

+ Mapping AesMap

+ type Layout struct

+ Cols int

+ Panels []PanelLayout

+ Rows int

+ type LegendEntry struct

+ Color gg.RGBA

+ Label string

+ type PanelLayout struct

+ Col int

+ Row int

+ XScale scale.Scale

+ YScale scale.Scale

type Plot

+ func (p *Plot) Build(ctx context.Context) (*Built, error)

+ type PlotSpec struct

+ ColorScales map[string]*colormap.Scale

+ Coord coord.Coord

+ Dataset dataset.Dataset

+ Facet facet.Facet

+ GlobalMapping AesMap

+ Labels Labels

+ Layers []LayerSpec

+ LegendPosition string

+ ScaleOverrides map[string]ScaleOverride

+ ThemeName theme.Name

+ XLim [2]*float64

+ YLim [2]*float64

+ type ScaleOverride struct

+ Opts []scale.Opt

+ Params map[string]string

+ Type scale.Type

v0.0.2

May 11, 2026

Changes in this version

+ var ErrInvalidConfig = errors.New("ggplot: invalid configuration")

+ var ErrMissingAesthetic = errors.New("ggplot: missing required aesthetic")

+ var ErrNoLayers = errors.New("ggplot: no layers to render")

+ var ErrRenderFailed = errors.New("ggplot: render failed")

+ var ErrUnsupportedFormat = errors.New("ggplot: unsupported output format")

v0.0.1

Apr 30, 2026

Changes in this version

+ func RegisterDrawer(t geom.Type, d Drawer)

+ type DrawContext struct

+ Canvas canvas.Canvas

+ ContColorCol string

+ ContScale *colormap.Scale

+ Coord coord.Coord

+ Data dataset.Dataset

+ H float64

+ Mapping grammar.AesMap

+ Params geom.Params

+ Theme theme.Theme

+ W float64

+ XMax float64

+ XMin float64

+ YMax float64

+ YMin float64

+ type Drawer interface

+ Draw func(ctx DrawContext)

+ func LookupDrawer(t geom.Type) Drawer

+ type DrawerFunc func(DrawContext)

+ func (f DrawerFunc) Draw(ctx DrawContext)

+ type LabOpt func(*grammar.Labels)

+ func Caption(text string) LabOpt

+ func Subtitle(text string) LabOpt

+ func Title(text string) LabOpt

+ func XLab(text string) LabOpt

+ func YLab(text string) LabOpt

+ type LegendPos string

+ const LegendBottom

+ const LegendLeft

+ const LegendNone

+ const LegendRight

+ const LegendTop

+ type Plot struct

+ func New(ds dataset.Dataset, globalAes ...aes.Mapping) *Plot

+ func (p *Plot) Aes(mappings ...aes.Mapping) *Plot

+ func (p *Plot) Coord(c coord.Coord) *Plot

+ func (p *Plot) CoordFlip() *Plot

+ func (p *Plot) FacetGrid(rowCol, colCol string) *Plot

+ func (p *Plot) FacetWrap(col string, opts ...facet.WrapOpt) *Plot

+ func (p *Plot) Labs(opts ...LabOpt) *Plot

+ func (p *Plot) Layer(l geom.Layer, localAes ...aes.Mapping) *Plot

+ func (p *Plot) LegendPosition(pos LegendPos) *Plot

+ func (p *Plot) Render(ctx context.Context, width, height int) (*canvas.GGCanvas, error)

+ func (p *Plot) Save(ctx context.Context, filename string, width, height int, opts ...RenderOpt) error

+ func (p *Plot) ScaleColor(c colormap.Cmap) *Plot

+ func (p *Plot) ScaleColorContinuous(c colormap.Cmap, n colormap.Norm) *Plot

+ func (p *Plot) ScaleColorManual(m map[string]colormap.Color) *Plot

+ func (p *Plot) ScaleFill(c colormap.Cmap) *Plot

+ func (p *Plot) ScaleX(scaleType scale.Type) *Plot

+ func (p *Plot) ScaleY(scaleType scale.Type) *Plot

+ func (p *Plot) Theme(name theme.Name) *Plot

+ func (p *Plot) WriteTo(ctx context.Context, w io.Writer, format string, width, height int, ...) (int64, error)

+ func (p *Plot) XLim(min, max float64) *Plot

+ func (p *Plot) YLim(min, max float64) *Plot

+ type RenderOpt func(*renderConfig)

+ func WithScale(s float64) RenderOpt

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