Color

colorMethod used to set the color of the graphic.

IColor: string

colortype string.

• The color type can be written in rgbrgb(200, 100, 100)、rgba(255, 0, 0, 1)
• The color type can be written in hexadecimal#ffffff、#000
• The color type can be the writing method of color namered、yellow

color(color: IColor)

Layers can set color values ​​directly.

layer.color('#f00');

color(field: string)

The colors of a layer can be mapped based on the data values ​​accepted by the layer, accepting fields of incoming data as parameters.

layer.source([
  {
    lng: 120,
    lat: 30,
    c: '#f00',
  },
]);
layer.color('c');

color(field: string, domain: IColor[])

colorMethod supports simple value mapping and will be based onfieldThe values ​​extracted from the data passed into the layer are mapped todomainin the value range.

layer.color('type', ['#f00', '#0f0', '#00f']);

color(field: string, callback: () => IColor )

colorThe method supports the writing method of callback function, which will be based onfieldascallbackmethod parameters,callbackThe return value of the method is the actual color of the layer.

layer.color('type', (value) => {
  switch (value) {
    case 'water':
      return '#f00';
    case 'wood':
      return '#0f0';
  }
});