Plotly Heatmap trace struct. All top-level trace properties are struct fields. Unknown keys raise ArgumentError at construction time.

Nested properties (marker, line, etc.) accept plain maps or keyword lists — keyword lists are automatically normalised to maps before JSON encoding.

Fields

See the Plotly heatmap reference for full descriptions.

• :autocolorscale — boolean
• :coloraxis — string (subplot id)
• :colorbar — map (nested properties)
• :colorscale — colorscale
• :connectgaps — boolean
• :customdata — data array
• :dx — number
• :dy — number

• :hoverinfo — flags: "x" | "y" | "z" | "text" | "name" | "all" | "none" | "skip"

• :hoverlabel — map (nested properties)
• :hoverongaps — boolean
• :hovertemplate — string
• :hovertemplatefallback — any
• :hovertext — data array
• :ids — data array
• :legend — string (subplot id)
• :legendgroup — string
• :legendgrouptitle — map (nested properties)
• :legendrank — number
• :legendwidth — number, 0
• :meta — any
• :name — string
• :opacity — number, 0–1
• :reversescale — boolean
• :showlegend — boolean
• :showscale — boolean
• :text — data array
• :textfont — map (nested properties)
• :texttemplate — string
• :texttemplatefallback — any
• :transpose — boolean
• :uid — string
• :uirevision — any

• :visible — one of: true | false | "legendonly"

• :x — data array
• :x0 — any
• :xaxis — string (subplot id)

• :xcalendar — one of: "chinese" | "coptic" | "discworld" | "ethiopian" | "gregorian" | "hebrew" | "islamic" | "jalali" | "julian" | "mayan" | "nanakshahi" | "nepali" | "persian" | "taiwan" | "thai" | "ummalqura"

• :xgap — number, 0
• :xhoverformat — string
• :xperiod — any
• :xperiod0 — any

• :xperiodalignment — one of: "start" | "middle" | "end"

• :xtype — one of: "array" | "scaled"

• :y — data array
• :y0 — any
• :yaxis — string (subplot id)

• :ycalendar — one of: "chinese" | "coptic" | "discworld" | "ethiopian" | "gregorian" | "hebrew" | "islamic" | "jalali" | "julian" | "mayan" | "nanakshahi" | "nepali" | "persian" | "taiwan" | "thai" | "ummalqura"

• :ygap — number, 0
• :yhoverformat — string
• :yperiod — any
• :yperiod0 — any

• :yperiodalignment — one of: "start" | "middle" | "end"

• :ytype — one of: "array" | "scaled"

• :z — data array
• :zauto — boolean
• :zhoverformat — string
• :zmax — number
• :zmid — number
• :zmin — number
• :zorder — integer

• :zsmooth — one of: "fast" | "best" | false