s_cherry_e/sr/tool/test/tile_id/tile_id.go

package main

import "fmt"

func main() {
	var (
		width  = 1000
		tileID = 304870
	)

	x := tileID % width
	y := tileID / width

	fmt.Printf("TileID = %d TO Point (%d, %d)\n", tileID, x, y)
}