add: radar series (#394)

charts/series.go

@@ -41,7 +41,7 @@ type SingleSeries struct {
 	EdgeLabel          interface{} `json:"edgeLabel,omitempty"`
 	Draggable          types.Bool  `json:"draggable,omitempty"`
 	FocusNodeAdjacency types.Bool  `json:"focusNodeAdjacency,omitempty"`
-	// Line
+	// Line | Radar
 	SymbolKeepAspect types.Bool `json:"symbolKeepAspect,omitempty"`
 
 	// BarWidth The width options of the bar. Adaptive when not specified.
@@ -51,7 +51,7 @@ type SingleSeries struct {
 	BarMinWidth string `json:"barMinWidth,omitempty"`
 	BarMaxWidth string `json:"barMaxWidth,omitempty"`
 
-	// Line | Bar | Pie | Scatter
+	// Line | Bar | Pie | Scatter | Radar
 	ColorBy string `json:"colorBy,omitempty"`
 	// Line | Bar
 	PolarIndex int `json:"polarIndex,omitempty"`
@@ -63,7 +63,7 @@ type SingleSeries struct {
 	ConnectNulls types.Bool `json:"connectNulls,omitempty"`
 	// Line
 	ShowSymbol types.Bool `json:"showSymbol,omitempty"`
-	// Line | Scatter
+	// Line | Scatter | Radar
 	Symbol string `json:"symbol,omitempty"`
 	Color  string `json:"color,omitempty"`
 
@@ -83,7 +83,7 @@ type SingleSeries struct {
 	// Pie
 	Radius interface{} `json:"radius,omitempty"`
 
-	// Line | Scatter
+	// Line | Scatter | Radar
 	SymbolSize interface{} `json:"symbolSize,omitempty"`
 
 	// Tree
@@ -96,6 +96,9 @@ type SingleSeries struct {
 	Top               string      `json:"top,omitempty"`
 	Bottom            string      `json:"bottom,omitempty"`
 
+	// Radar
+	RadarIndex int `json:"radarIndex,omitempty"`
+
 	// TreeMap
 	LeafDepth  int         `json:"leafDepth,omitempty"`
 	Levels     interface{} `json:"levels,omitempty"`
@@ -363,6 +366,17 @@ func WithEffectScatterChartOpts(opt opts.EffectScatterChart) SeriesOpts {
 	}
 }
 
+// WithRadarChartOpts sets the RadarChart option.
+func WithRadarChartOpts(opt opts.RadarChart) SeriesOpts {
+	return func(s *SingleSeries) {
+		s.ColorBy = opt.ColorBy
+		s.RadarIndex = opt.RadarIndex
+		s.Symbol = opt.Symbol
+		s.SymbolSize = opt.SymbolSize
+		s.SymbolKeepAspect = opt.SymbolKeepAspect
+	}
+}
+
 // WithLiquidChartOpts sets the LiquidChart option.
 func WithLiquidChartOpts(opt opts.LiquidChart) SeriesOpts {
 	return func(s *SingleSeries) {

opts/series_radar.go

@@ -0,0 +1,24 @@
+package opts
+
+import "github.com/go-echarts/go-echarts/v2/types"
+
+type RadarChart struct {
+	// ColorBy The policy to take color from option.color. Valid values:
+	// 'series': assigns the colors in the palette by series, so that all data in the same series are in the same color;
+	// 'data': assigns colors in the palette according to data items, with each data item using a different color.
+	ColorBy string
+
+	// RadarIndex Index of radar component that radar chart uses.
+	RadarIndex int
+	// Icon types provided by ECharts includes
+	//  'circle', 'rect', 'roundRect', 'triangle', 'diamond', 'pin', 'arrow', 'none'
+	// Full documentation: https://echarts.apache.org/en/option.html#series-line.symbol
+	Symbol string
+
+	// symbol size. It can be set to single numbers like 10, or use an array to represent width and height. For example, [20, 10] means symbol width is 20, and height is10.
+	// Full documentation: https://echarts.apache.org/en/option.html#series-line.symbolSize
+	SymbolSize interface{}
+
+	// SymbolKeepAspect is whether to keep aspect for symbols in the form of path://.
+	SymbolKeepAspect types.Bool
+}