: {
      'fill-color': [
        'interpolate',
        ['step', 1],
        ['get', 'value'],
        ...interpolateColor
      ],
      'opacity': 1,
    },
    renderFrom: mtkWind.RenderFrom.rg,
    widthSegments: 1,
    heightSegments: 1,
    displayRange: [0, 104],
    renderType: mtkWind.RenderType.colorize,
    picking: true,
  });

  const arrow = new mtkWind.Layer('arrow', tileSource, {
    styleSpec: {
      'fill-color': [
        'interpolate',
        ['step', 1],
        ['get', 'value'],
   