scale

Sep 9, 2026

Changes in this version

type ColorDesc

+ Fallback palette.Ramp

+ Labels []string

type ColorKind

+ const KindNamed

type ColorOption

+ func ColorFallback(p palette.Qualitative) ColorOption

type DiscreteColorScale

+ func Named(colors map[string]ir.Color, opts ...ColorOption) DiscreteColorScale

Sep 8, 2026

Changes in this version

+ func ColorPositionOf(cs ColorScale, v float64) float64

+ func ColorValueOf(cs ColorScale, t float64) float64

+ type ClassedColorScale interface

+ Breaks func() []float64

+ Classes func() int

+ func Classed(s ColorScale) (ClassedColorScale, bool)

+ func Quantile(ramp palette.Ramp, classes int, opts ...ColorOption) ClassedColorScale

+ func Quantize(ramp palette.Ramp, classes int, opts ...ColorOption) ClassedColorScale

+ func Threshold(ramp palette.Ramp, breaks []float64, opts ...ColorOption) ClassedColorScale

type ColorDesc

+ Base float64

+ Breaks []float64

+ Classes int

+ Constant float64

+ Transform ColorTransform

type ColorKind

+ const KindQuantile

+ const KindQuantize

+ const KindThreshold

type ColorOption

+ func ColorLog(base float64) ColorOption

+ func ColorSymLog(base, threshold float64) ColorOption

+ type ColorTransform string

+ const TransformLinear

+ const TransformLog

+ const TransformSymLog

+ func ColorTransformOf(cs ColorScale) ColorTransform

+ type ColorTransformer interface

+ ColorAxis func() Scale

+ ColorPosition func(v float64) float64

+ ColorTransform func() ColorTransform

+ ColorValueAt func(t float64) float64

type Scale

+ func ColorAxisOf(cs ColorScale) Scale

Sep 7, 2026

Changes in this version

+ var English = &Locale

+ var ErrFormat = fmt.Errorf("refract/scale: invalid number format")

+ var LocaleDE = &Locale

+ var LocaleES = &Locale

+ var LocaleFR = &Locale

+ var LocaleIT = &Locale

+ var LocaleJA = &Locale

+ var LocaleNL = &Locale

+ var LocalePT = &Locale

+ func LabelOf(s Scale, v float64) string

+ func Localize(s Scale, l *Locale) bool

+ func RegisterLocale(l *Locale)

type Desc

+ Format string

+ Layout string

+ Locale string

+ type Labeller interface

+ LabelOf func(v float64) string

type LinearOption

+ func NumberFormat(spec string) LinearOption

+ type Locale struct

+ Days [7]string

+ Decimal string

+ Group string

+ Minus string

+ Months [12]string

+ Name string

+ Percent string

+ ShortDays [7]string

+ ShortMonths [12]string

+ func LookupLocale(name string) (*Locale, bool)

+ type Localizer interface

+ SetLocale func(l *Locale)

type LogOption

+ func LogNumberFormat(spec string) LogOption

type SymLogOption

+ func SymLogNumberFormat(spec string) SymLogOption

type TimeOption

+ func TimeLayout(layout string) TimeOption

Sep 7, 2026

Changes in this version

type Desc

+ TickValues []float64

type LinearOption

+ func TickValues(vs ...float64) LinearOption

Sep 7, 2026

Changes in this version

+ func Register(k Kind, build func(Desc) (Scale, error))

+ func RegisterColor(k ColorKind, build func(ColorDesc) (ColorScale, error))

Sep 5, 2026

Changes in this version

+ const DefaultMaxSize

+ type SizeDesc struct

+ Fixed bool

+ Max float64

+ MaxSize float32

+ Min float64

+ MinSize float32

+ RangeSet bool

+ Zero float64

+ ZeroSet bool

+ func DescribeSize(s SizeScale) (SizeDesc, bool)

+ type SizeDescriber interface

+ DescribeSize func() SizeDesc

+ type SizeOption func(*sizeScale)

+ func SizeDomain(min, max float64) SizeOption

+ func SizeRange(min, max float32) SizeOption

+ func SizeZero(v float64) SizeOption

+ type SizeScale interface

+ Domain func() (min, max float64)

+ SetRange func(min, max float32)

+ Size func(v float64) float32

+ Train func(vs ...float64)

+ func Size(opts ...SizeOption) SizeScale

+ func SizeFromDesc(d SizeDesc) (SizeScale, error)

Sep 5, 2026

Changes in this version

type ColorKind

+ const KindQualitative

+ type DiscreteColorScale interface

+ ColorOf func(label string) ir.Color

+ Encode func(label string) float64

+ Labels func() []string

+ func Discrete(s ColorScale) (DiscreteColorScale, bool)

+ func Qualitative(p palette.Qualitative, opts ...ColorOption) DiscreteColorScale

Sep 4, 2026

Changes in this version

+ func InstantOf(s Scale, v float64) time.Time

+ func ValueOf(s Scale, t time.Time) float64

type Desc

+ Origin int64

+ type Temporal interface

+ Instant func(v float64) time.Time

+ Value func(t time.Time) float64

type TimeOption

+ func Origin(t time.Time) TimeOption

Sep 4, 2026

Changes in this version

+ var ErrUnknownKind = fmt.Errorf("refract/scale: unknown scale kind")

+ type ColorDesc struct

+ Center float64

+ Colors palette.Ramp

+ Fixed bool

+ Kind ColorKind

+ Max float64

+ Min float64

+ Ramp string

+ Reverse bool

+ Undefined ir.Color

+ func DescribeColor(s ColorScale) (ColorDesc, bool)

+ type ColorDescriber interface

+ DescribeColor func() ColorDesc

+ type ColorKind string

+ const KindDiverging

+ const KindSequential

type ColorScale

+ func ColorFromDesc(d ColorDesc) (ColorScale, error)

+ type Desc struct

+ Base float64

+ Categories []string

+ Fixed bool

+ Formatted bool

+ Kind Kind

+ Location string

+ Max float64

+ Min float64

+ MinorTicks bool

+ Nice bool

+ Padding float64

+ Threshold float64

+ Zero bool

+ func Describe(s Scale) (Desc, bool)

+ type Describer interface

+ Describe func() Desc

+ type Kind string

+ const KindLinear

+ const KindLog

+ const KindOrdinal

+ const KindSymLog

+ const KindTime

type Scale

+ func FromDesc(d Desc) (Scale, error)

+ type Zoomer interface

+ Autoscale func()

+ SetDomain func(min, max float64)

Sep 4, 2026

Changes in this version

+ type Snapshotter interface

+ Snapshot func() Scale

Sep 4, 2026

Changes in this version

+ type Cloner interface

+ Clone func() Scale

Sep 4, 2026

Changes in this version

+ type Band interface

+ Bandwidth func() float32

+ type Categorical interface

+ Encode func(label string) float64

+ Labels func() []string

+ type ColorOption func(*colorScale)

+ func ColorCenter(v float64) ColorOption

+ func ColorDomain(min, max float64) ColorOption

+ func ColorReverse() ColorOption

+ func ColorUndefined(col ir.Color) ColorOption

+ type ColorScale interface

+ Color func(v float64) ir.Color

+ Domain func() (min, max float64)

+ Train func(vs ...float64)

+ func Diverging(ramp palette.Ramp, opts ...ColorOption) ColorScale

+ func Sequential(ramp palette.Ramp, opts ...ColorOption) ColorScale

+ type Definite interface

+ Defined func(v float64) bool

+ type LogOption func(*logScale)

+ func LogBase(b float64) LogOption

+ func LogDomain(min, max float64) LogOption

+ func LogFormat(fn func(v float64) string) LogOption

+ func LogMinorTicks(show bool) LogOption

+ func LogNice() LogOption

+ type OrdinalOption func(*ordinal)

+ func Categories(labels ...string) OrdinalOption

+ func OrdinalPadding(f float64) OrdinalOption

type Scale

+ func Log(opts ...LogOption) Scale

+ func Ordinal(opts ...OrdinalOption) Scale

+ func SymLog(opts ...SymLogOption) Scale

+ type SymLogOption func(*symlogScale)

+ func SymLogBase(b float64) SymLogOption

+ func SymLogDomain(min, max float64) SymLogOption

+ func SymLogFormat(fn func(v float64) string) SymLogOption

+ func SymLogMinorTicks(show bool) SymLogOption

+ func SymLogThreshold(t float64) SymLogOption

Sep 4, 2026

Changes in this version

+ func FromNanos(v float64) time.Time

+ func Nanos(t time.Time) float64

+ type LinearOption func(*linear)

+ func Domain(min, max float64) LinearOption

+ func Format(fn func(v float64) string) LinearOption

+ func Nice() LinearOption

+ func Zero() LinearOption

+ type Scale interface

+ Domain func() (min, max float64)

+ Invert func(pos float32) float64

+ Map func(v float64) float32

+ SetRange func(lo, hi float32)

+ Ticks func(want int) []Tick

+ Train func(vs ...float64)

+ func Linear(opts ...LinearOption) Scale

+ func Time(opts ...TimeOption) Scale

+ type Tick struct

+ Label string

+ Minor bool

+ Pos float32

+ Value float64

+ type TimeOption func(*timeScale)

+ func In(loc *time.Location) TimeOption

+ func TimeFormat(fn func(t time.Time, unit time.Duration) string) TimeOption