NML:Animation speed

House, industry and airport tiles can define an animation speed. This property gives the animation speed in ticks, spaced by powers of two. For houses the minimum value is 2 (=4 ticks). The ingame length as well real length is given as rounded values for reference only, assuming normal game speed.

value	animation length in ticks	ingame	real time
0	1		0.03 s
1	2		0.06 s
2	4		0.11 s
3	8		0.22 s
4	16		0.45 s
5	32	half a day	0.9 s
6	64	nearly 1 day	1.8 s
7	128	2 days	3½ s
8	256	3½ days	7 s
9	512	7 days	15 s
10	1024	14 days	30 s
11	2048	28 days	1 min
12	4096	55 days	2 min
13	8192	3½ months	4 min
14	16384	7½ months	7½ min
15	32768	15 months	15 min
16	65536	2½ years	30 min