Epsilons currently (7-NOV-2019) used in tegola

epsilons_imposm.txt

z	| ε
0	| 156543.03
1	| 78271.52
2	| 39135.76
3	| 19567.88
4	| 9783.94
5	| 4891.97
6	| 2445.98
7	| 1222.99
8	| 611.50
9	| 305.75
10	| 152.87
11	| 76.44
12	| 38.22
13	| 19.11
14	| 9.55
15	| 4.78
16	| 2.39
17	| 1.19
18	| 0.60
19	| 0.30
20	| 0.15
21	| 0.07

epsilons_tegola.txt

z	| ε
0	| 97839.40
1	| 48919.70
2	| 24459.85
3	| 12229.92
4	| 6114.96
5	| 3057.48
6	| 1528.74
7	| 764.37
8	| 382.19
9	| 191.09
10	| 95.55
11	| 47.77
12	| 23.89
13	| 11.94
14	| 5.97
15	| 2.99
16	| 1.49
17	| 0.75
18	| 0.37
19	| 0.19
20	| 0.09
21	| 0.05

main.go

package main

import (
	"fmt"

	"github.com/go-spatial/geom/slippy"
	"github.com/go-spatial/tegola"
)

func main() {
	fmt.Printf("z\t| ε\n")
	for z := 0; z < tegola.MaxZ; z++ {
		tol := slippy.Pixels2Webs(uint(z), tegola.DefaultEpsilon)
		fmt.Printf("%d\t| %.2f\n", z, tol)
	}
}