Zoom levels

 

 

Logical Scale

Decimal Physical Scale (pscale)

Physical Scale-1

10 cm on the screen represent (for a 800*600 resolution on a 17 screen)

1

0.0005000000

2,000

200 m

2

0.0002000000

5,000

500 m

3

0.0001333333

7,500

750 m

4

0.0001000000

10,000

1 km

5

0.0000666667

15,000

1.5 km

6

0.0000400000

25,000

2.5 km

7

0.0000200000

50,000

5 km

8

0.0000066667

150,000

15 km

9

0.0000020000

500,000

50 km

10

0.0000010000

1,000,000

100 km

11

0.0000002500

4,000,000

400 km

12

0.0000000500

20,000,000

2,000 km