jsts
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A JavaScript library of spatial predicates and functions for processing geometry
45 lines (42 loc) • 1.67 kB
JavaScript
import CoordinateSequenceFactory from '../CoordinateSequenceFactory.js'
import CoordinateSequence from '../CoordinateSequence.js'
import Serializable from '../../../../../java/io/Serializable.js'
import hasInterface from '../../../../../hasInterface.js'
import CoordinateArraySequence from './CoordinateArraySequence.js'
export default class CoordinateArraySequenceFactory {
static instance() {
return CoordinateArraySequenceFactory.instanceObject
}
readResolve() {
return CoordinateArraySequenceFactory.instance()
}
create() {
if (arguments.length === 1) {
if (arguments[0] instanceof Array) {
const coordinates = arguments[0]
return new CoordinateArraySequence(coordinates)
} else if (hasInterface(arguments[0], CoordinateSequence)) {
const coordSeq = arguments[0]
return new CoordinateArraySequence(coordSeq)
}
} else if (arguments.length === 2) {
let size = arguments[0], dimension = arguments[1]
if (dimension > 3) dimension = 3
if (dimension < 2) dimension = 2
return new CoordinateArraySequence(size, dimension)
} else if (arguments.length === 3) {
let size = arguments[0], dimension = arguments[1], measures = arguments[2]
let spatial = dimension - measures
if (measures > 1)
measures = 1
if (spatial > 3)
spatial = 3
if (spatial < 2) spatial = 2
return new CoordinateArraySequence(size, spatial + measures, measures)
}
}
get interfaces_() {
return [CoordinateSequenceFactory, Serializable]
}
}
CoordinateArraySequenceFactory.instanceObject = new CoordinateArraySequenceFactory()