point pointcluster.js

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  import { forEach } from 'lodash'
 
/**
 * Utility class used when clustering points into MultiPoint objects
 */
 
export default class PointCluster {
  constructor() {
    this.points = []
  }
 
  addPoint(point) {
    if (this.points.indexOf(point) === -1) this.points.push(point)
  }
 
  mergeVertices(graph) {
    const vertices = []
    forEach(this.points, (point) => {
      vertices.push(point.graphVertex)
    })
    graph.mergeVertices(vertices)
  }
}