OpenTopography LAS Validation Report for FL11

Point Inspection Summary

Total Area of Tiles (m²)	49,836,561.63
Sum of Area of Per-Tile as Determined by Scan (m²)	49,836,561.63
Total Number of Bytes on Disk	1,475,706,090
Total Number of Points as Reported in Headers	329,835,902
Total Number of Points as Determined by Scan	329,835,902
Mean Point Density as Reported in Headers (points/m²)	6.62
Mean Point Density as Determined by Scan (points/m²)	6.62
LAS Versions Processed	1.2 (55 files)
LAS File Types Processed	LAZ (55 files)
LAS File Signatures Processed	LASF (55 files)
File Breakdown by Source ID	0: 55 file(s)
File Breakdown by System ID	LAStools (c) by Martin Isenburg: 55 file(s)
File Breakdown by Generating Software ID	las2las (version 120408): 55 file(s)
Point Breakdown by Return (return: header / actual)	1: 211,613,680 / 211,613,680 2: 89,391,402 / 89,391,402 3: 24,388,895 / 24,388,895 4: 4,441,925 / 4,441,925 5: 0 / 0
Point Breakdown by Pulse (pulse: actual)	1: 122,222,150 2: 130,004,891 3: 59,841,064 4: 17,767,797 5: 0
Point Breakdown by Classification (class: name: points)	1: Unclassified: 280,537,059 2: Ground: 49,293,940 7: Low Point (noise): 4,903
File Breakdown by Coordinate Reference System	55 files of type [Projected Coordinate System] Horizontal CRS: NAD83 / UTM zone 17N [metre] Vertical CRS: NAVD88 height [metre]

Included Attributes

X positions	yes
Y positions	yes
Z positions	yes
Intensity	yes
Return Number	yes
Number of Returns	yes
Scan Direction Flag	yes
Edge of Flight Line	yes
Classification	yes
Scan Angle Rank	yes
User Data	yes
Point Source ID	yes
GPS Time	yes

Minimum and Maximum Attributes (min, max)

Time	564,473.86, 573,871.35
Return Number	1, 4
Return Count	1, 4
Flightline Edge	0, 1
Intensity	3, 5100
Scan Direction Flag	0, 1
Scan Angle Rank	-21, 21
Classification	1, 7
Point Source ID	5, 39
User Data	0, 0
Minimum RGB Colors	0, 0, 0
Maximum RGB Colors	0, 0, 0
File Creation Day	258, 258
File Creation Year	2011, 2011
Bounding Box of Tiles	(450104.98, 3175000), (456745.41, 3183999.99)
Z-Axis Values	-48.63, 135.59
Bounding Box of All Points	(450104.98, 3175000), (456745.41, 3183999.99)
Z-Axis Values	-48.63, 135.59

Summary of Warnings

There are no warnings to report.

LAS File Content

#	fileName	fcYear	fcDay	isCompressed	bytes	softwareID
1	ot_455000_3179000.laz	2011	258	true	37,749,475	las2las (version 120408)
2	ot_451000_3182000.laz	2011	258	true	34,706,854	las2las (version 120408)
3	ot_451000_3183000.laz	2011	258	true	35,420,910	las2las (version 120408)
4	ot_453000_3176000.laz	2011	258	true	29,413,458	las2las (version 120408)
5	ot_455000_3178000.laz	2011	258	true	37,560,229	las2las (version 120408)
6	ot_454000_3181000.laz	2011	258	true	9,378,617	las2las (version 120408)
7	ot_453000_3179000.laz	2011	258	true	29,833,865	las2las (version 120408)
8	ot_456000_3179000.laz	2011	258	true	24,036,788	las2las (version 120408)
9	ot_453000_3182000.laz	2011	258	true	36,227,128	las2las (version 120408)
10	ot_454000_3178000.laz	2011	258	true	40,338,399	las2las (version 120408)
11	ot_453000_3180000.laz	2011	258	true	31,845,187	las2las (version 120408)
12	ot_452000_3182000.laz	2011	258	true	35,957,023	las2las (version 120408)
13	ot_456000_3178000.laz	2011	258	true	24,053,845	las2las (version 120408)
14	ot_450000_3177000.laz	2011	258	true	11,321,021	las2las (version 120408)
15	ot_450000_3181000.laz	2011	258	true	21,194,691	las2las (version 120408)
16	ot_454000_3183000.laz	2011	258	true	10,754,133	las2las (version 120408)
17	ot_453000_3177000.laz	2011	258	true	27,862,952	las2las (version 120408)
18	ot_450000_3183000.laz	2011	258	true	14,605,145	las2las (version 120408)
19	ot_450000_3178000.laz	2011	258	true	13,450,077	las2las (version 120408)
20	ot_453000_3183000.laz	2011	258	true	36,389,180	las2las (version 120408)
21	ot_456000_3175000.laz	2011	258	true	14,768,731	las2las (version 120408)
22	ot_456000_3176000.laz	2011	258	true	22,753,008	las2las (version 120408)
23	ot_453000_3175000.laz	2011	258	true	22,720,036	las2las (version 120408)
24	ot_450000_3176000.laz	2011	258	true	11,867,879	las2las (version 120408)
25	ot_452000_3176000.laz	2011	258	true	26,362,036	las2las (version 120408)
26	ot_454000_3177000.laz	2011	258	true	36,978,453	las2las (version 120408)
27	ot_454000_3180000.laz	2011	258	true	22,239,473	las2las (version 120408)
28	ot_455000_3175000.laz	2011	258	true	24,962,304	las2las (version 120408)
29	ot_452000_3175000.laz	2011	258	true	25,158,122	las2las (version 120408)
30	ot_455000_3176000.laz	2011	258	true	39,709,882	las2las (version 120408)
31	ot_451000_3179000.laz	2011	258	true	28,090,187	las2las (version 120408)
32	ot_452000_3178000.laz	2011	258	true	31,584,288	las2las (version 120408)
33	ot_452000_3177000.laz	2011	258	true	32,076,471	las2las (version 120408)
34	ot_456000_3177000.laz	2011	258	true	23,036,926	las2las (version 120408)
35	ot_454000_3176000.laz	2011	258	true	34,957,522	las2las (version 120408)
36	ot_451000_3176000.laz	2011	258	true	28,698,697	las2las (version 120408)
37	ot_453000_3178000.laz	2011	258	true	27,223,724	las2las (version 120408)
38	ot_452000_3180000.laz	2011	258	true	31,888,650	las2las (version 120408)
39	ot_454000_3175000.laz	2011	258	true	21,320,215	las2las (version 120408)
40	ot_452000_3181000.laz	2011	258	true	33,605,535	las2las (version 120408)
41	ot_451000_3177000.laz	2011	258	true	30,383,201	las2las (version 120408)
42	ot_450000_3175000.laz	2011	258	true	9,163,842	las2las (version 120408)
43	ot_450000_3179000.laz	2011	258	true	15,624,102	las2las (version 120408)
44	ot_454000_3179000.laz	2011	258	true	31,619,009	las2las (version 120408)
45	ot_451000_3180000.laz	2011	258	true	32,538,237	las2las (version 120408)
46	ot_455000_3177000.laz	2011	258	true	38,036,806	las2las (version 120408)
47	ot_450000_3182000.laz	2011	258	true	19,099,556	las2las (version 120408)
48	ot_452000_3179000.laz	2011	258	true	28,995,251	las2las (version 120408)
49	ot_452000_3183000.laz	2011	258	true	37,583,149	las2las (version 120408)
50	ot_451000_3178000.laz	2011	258	true	28,244,392	las2las (version 120408)
51	ot_453000_3181000.laz	2011	258	true	35,699,217	las2las (version 120408)
52	ot_451000_3175000.laz	2011	258	true	25,196,363	las2las (version 120408)
53	ot_450000_3180000.laz	2011	258	true	17,961,916	las2las (version 120408)
54	ot_451000_3181000.laz	2011	258	true	33,371,708	las2las (version 120408)
55	ot_454000_3182000.laz	2011	258	true	10,088,225	las2las (version 120408)

Header Information

#	FileName	PointCount	minX	minY	minZ	maxX	maxY	maxZ	Area	Density
1	ot_455000_3179000.laz	8,022,018	455,000	3,179,000	4.01	455,999.99	3,179,999.99	111.65	999,980	8.02
2	ot_451000_3182000.laz	7,412,420	451,000	3,182,000	-48.63	451,999.99	3,182,999.99	111.62	999,980	7.41
3	ot_451000_3183000.laz	7,511,417	451,000	3,183,000	5.63	451,999.99	3,183,999.99	43.54	999,980	7.51
4	ot_453000_3176000.laz	6,755,674	453,000	3,176,000	4.24	453,999.99	3,176,999.99	135.59	999,980	6.76
5	ot_455000_3178000.laz	7,913,086	455,000	3,178,000	3.79	455,999.99	3,178,999.99	100.02	999,980	7.91
6	ot_454000_3181000.laz	2,118,392	454,000	3,181,000	5.96	454,826.97	3,181,999.99	38.87	826,961.73	2.56
7	ot_453000_3179000.laz	6,736,900	453,000	3,179,000	5.01	453,999.99	3,179,999.99	43.80	999,980	6.74
8	ot_456000_3179000.laz	5,107,743	456,000	3,179,000	3.41	456,733.51	3,179,999.99	38.52	733,502.66	6.96
9	ot_453000_3182000.laz	7,626,188	453,000	3,182,000	1.22	453,999.99	3,182,999.99	42.71	999,980	7.63
10	ot_454000_3178000.laz	8,405,416	454,000	3,178,000	4.13	454,999.99	3,178,999.99	46.75	999,980	8.41
11	ot_453000_3180000.laz	7,109,235	453,000	3,180,000	5.20	453,999.99	3,180,999.99	47.44	999,980	7.11
12	ot_452000_3182000.laz	7,640,783	452,000	3,182,000	5.45	452,999.99	3,182,999.99	112.38	999,980	7.64
13	ot_456000_3178000.laz	5,057,799	456,000	3,178,000	3.91	456,731.52	3,178,999.99	40.18	731,512.68	6.91
14	ot_450000_3177000.laz	2,830,696	450,433.40	3,177,000	14.32	450,999.99	3,177,999.99	56.19	566,584.33	5
15	ot_450000_3181000.laz	4,784,504	450,198.84	3,181,000	9.32	450,999.99	3,181,999.99	51.69	801,141.99	5.97
16	ot_454000_3183000.laz	2,270,189	454,000	3,183,000	6.30	454,445.06	3,183,999.99	38.19	445,055.55	5.10
17	ot_453000_3177000.laz	6,415,336	453,000	3,177,000	5.21	453,999.99	3,177,999.99	48.70	999,980	6.42
18	ot_450000_3183000.laz	3,232,987	450,104.98	3,183,000	5.96	450,999.99	3,183,999.99	46.31	895,001.05	3.61
19	ot_450000_3178000.laz	3,073,460	450,415.26	3,178,000	13.92	450,999.99	3,178,999.99	49.70	584,724.15	5.26
20	ot_453000_3183000.laz	7,673,789	453,000	3,183,000	5.52	453,999.99	3,183,999.99	40.88	999,980	7.67
21	ot_456000_3175000.laz	3,670,832	456,000	3,175,000	-11.60	456,718.40	3,175,999.99	82.83	718,392.82	5.11
22	ot_456000_3176000.laz	4,887,207	456,000	3,176,000	-46.84	456,740.29	3,176,999.99	38.72	740,282.60	6.60
23	ot_453000_3175000.laz	5,911,720	453,000	3,175,000	-3.55	453,999.99	3,175,999.99	83.18	999,980	5.91
24	ot_450000_3176000.laz	2,829,215	450,411.86	3,176,000	24.96	450,999.99	3,176,999.99	59.39	588,124.12	4.81
25	ot_452000_3176000.laz	6,358,625	452,000	3,176,000	10.12	452,999.99	3,176,999.99	52.58	999,980	6.36
26	ot_454000_3177000.laz	7,745,839	454,000	3,177,000	3.68	454,999.99	3,177,999.99	46.37	999,980	7.75
27	ot_454000_3180000.laz	5,180,806	454,000	3,180,000	5.33	454,999.99	3,180,999.99	58.50	999,980	5.18
28	ot_455000_3175000.laz	6,231,229	455,000	3,175,000	-43.17	455,999.99	3,175,999.99	75.23	999,980	6.23
29	ot_452000_3175000.laz	6,217,779	452,000	3,175,000	10.96	452,999.99	3,175,999.99	109.16	999,980	6.22
30	ot_455000_3176000.laz	8,317,805	455,000	3,176,000	-1.11	455,999.99	3,176,999.99	42.08	999,980	8.32
31	ot_451000_3179000.laz	6,555,252	451,000	3,179,000	7.59	451,999.99	3,179,999.99	46.63	999,980	6.56
32	ot_452000_3178000.laz	7,090,419	452,000	3,178,000	6.88	452,999.99	3,178,999.99	50.34	999,980	7.09
33	ot_452000_3177000.laz	7,167,104	452,000	3,177,000	7.16	452,999.99	3,177,999.99	129.61	999,980	7.17
34	ot_456000_3177000.laz	4,852,781	456,000	3,177,000	3.03	456,745.41	3,177,999.99	41.44	745,402.55	6.51
35	ot_454000_3176000.laz	7,501,965	454,000	3,176,000	3.29	454,999.99	3,176,999.99	48.57	999,980	7.50
36	ot_451000_3176000.laz	6,676,955	451,000	3,176,000	12.73	451,999.99	3,176,999.99	130.88	999,980	6.68
37	ot_453000_3178000.laz	6,386,465	453,000	3,178,000	5.45	453,999.99	3,178,999.99	103.89	999,980	6.39
38	ot_452000_3180000.laz	7,065,214	452,000	3,180,000	7.64	452,999.99	3,180,999.99	47.84	999,980	7.07
39	ot_454000_3175000.laz	5,795,773	454,000	3,175,000	-1.78	454,999.99	3,175,999.99	95.05	999,980	5.80
40	ot_452000_3181000.laz	7,319,253	452,000	3,181,000	5.55	452,999.99	3,181,999.99	78.36	999,980	7.32
41	ot_451000_3177000.laz	6,966,209	451,000	3,177,000	13.94	451,999.99	3,177,999.99	59.54	999,980	6.97
42	ot_450000_3175000.laz	2,517,852	450,378.43	3,175,000	15.19	450,999.99	3,175,999.99	113.74	621,553.78	4.05
43	ot_450000_3179000.laz	3,854,197	450,223.49	3,179,000	13.67	450,999.99	3,179,999.99	69.69	776,492.24	4.96
44	ot_454000_3179000.laz	7,111,212	454,000	3,179,000	4.43	454,999.99	3,179,999.99	47.29	999,980	7.11
45	ot_451000_3180000.laz	7,210,608	451,000	3,180,000	6.89	451,999.99	3,180,999.99	45.67	999,980	7.21
46	ot_455000_3177000.laz	7,916,575	455,000	3,177,000	3.10	455,999.99	3,177,999.99	43.26	999,980	7.92
47	ot_450000_3182000.laz	4,280,614	450,106.08	3,182,000	5.86	450,999.99	3,182,999.99	107.98	893,901.06	4.79
48	ot_452000_3179000.laz	6,696,064	452,000	3,179,000	7.68	452,999.99	3,179,999.99	47.01	999,980	6.70
49	ot_452000_3183000.laz	7,897,421	452,000	3,183,000	5.40	452,999.99	3,183,999.99	101.14	999,980	7.90
50	ot_451000_3178000.laz	6,640,110	451,000	3,178,000	7.51	451,999.99	3,178,999.99	77.47	999,980	6.64
51	ot_453000_3181000.laz	7,539,099	453,000	3,181,000	5.30	453,999.99	3,181,999.99	42.94	999,980	7.54
52	ot_451000_3175000.laz	6,061,134	451,000	3,175,000	-8.11	451,999.99	3,175,999.99	133.28	999,980	6.06
53	ot_450000_3180000.laz	4,293,158	450,246.81	3,180,000	11.78	450,999.99	3,180,999.99	55.63	753,172.47	5.70
54	ot_451000_3181000.laz	7,259,187	451,000	3,181,000	6.40	451,999.99	3,181,999.99	48.82	999,980	7.26
55	ot_454000_3182000.laz	2,132,192	454,000	3,182,000	6.86	454,415.52	3,182,999.99	40.80	415,515.84	5.13

Results from File Scan

#	FileName	PointCount	minX	minY	minZ	maxX	maxY	maxZ	Area	Density
1	ot_455000_3179000.laz	8,022,018	455,000	3,179,000	4.01	455,999.99	3,179,999.99	111.65	999,980	8.02
2	ot_451000_3182000.laz	7,412,420	451,000	3,182,000	-48.63	451,999.99	3,182,999.99	111.62	999,980	7.41
3	ot_451000_3183000.laz	7,511,417	451,000	3,183,000	5.63	451,999.99	3,183,999.99	43.54	999,980	7.51
4	ot_453000_3176000.laz	6,755,674	453,000	3,176,000	4.24	453,999.99	3,176,999.99	135.59	999,980	6.76
5	ot_455000_3178000.laz	7,913,086	455,000	3,178,000	3.79	455,999.99	3,178,999.99	100.02	999,980	7.91
6	ot_454000_3181000.laz	2,118,392	454,000	3,181,000	5.96	454,826.97	3,181,999.99	38.87	826,961.73	2.56
7	ot_453000_3179000.laz	6,736,900	453,000	3,179,000	5.01	453,999.99	3,179,999.99	43.80	999,980	6.74
8	ot_456000_3179000.laz	5,107,743	456,000	3,179,000	3.41	456,733.51	3,179,999.99	38.52	733,502.66	6.96
9	ot_453000_3182000.laz	7,626,188	453,000	3,182,000	1.22	453,999.99	3,182,999.99	42.71	999,980	7.63
10	ot_454000_3178000.laz	8,405,416	454,000	3,178,000	4.13	454,999.99	3,178,999.99	46.75	999,980	8.41
11	ot_453000_3180000.laz	7,109,235	453,000	3,180,000	5.20	453,999.99	3,180,999.99	47.44	999,980	7.11
12	ot_452000_3182000.laz	7,640,783	452,000	3,182,000	5.45	452,999.99	3,182,999.99	112.38	999,980	7.64
13	ot_456000_3178000.laz	5,057,799	456,000	3,178,000	3.91	456,731.52	3,178,999.99	40.18	731,512.68	6.91
14	ot_450000_3177000.laz	2,830,696	450,433.40	3,177,000	14.32	450,999.99	3,177,999.99	56.19	566,584.33	5
15	ot_450000_3181000.laz	4,784,504	450,198.84	3,181,000	9.32	450,999.99	3,181,999.99	51.69	801,141.99	5.97
16	ot_454000_3183000.laz	2,270,189	454,000	3,183,000	6.30	454,445.06	3,183,999.99	38.19	445,055.55	5.10
17	ot_453000_3177000.laz	6,415,336	453,000	3,177,000	5.21	453,999.99	3,177,999.99	48.70	999,980	6.42
18	ot_450000_3183000.laz	3,232,987	450,104.98	3,183,000	5.96	450,999.99	3,183,999.99	46.31	895,001.05	3.61
19	ot_450000_3178000.laz	3,073,460	450,415.26	3,178,000	13.92	450,999.99	3,178,999.99	49.70	584,724.15	5.26
20	ot_453000_3183000.laz	7,673,789	453,000	3,183,000	5.52	453,999.99	3,183,999.99	40.88	999,980	7.67
21	ot_456000_3175000.laz	3,670,832	456,000	3,175,000	-11.60	456,718.40	3,175,999.99	82.83	718,392.82	5.11
22	ot_456000_3176000.laz	4,887,207	456,000	3,176,000	-46.84	456,740.29	3,176,999.99	38.72	740,282.60	6.60
23	ot_453000_3175000.laz	5,911,720	453,000	3,175,000	-3.55	453,999.99	3,175,999.99	83.18	999,980	5.91
24	ot_450000_3176000.laz	2,829,215	450,411.86	3,176,000	24.96	450,999.99	3,176,999.99	59.39	588,124.12	4.81
25	ot_452000_3176000.laz	6,358,625	452,000	3,176,000	10.12	452,999.99	3,176,999.99	52.58	999,980	6.36
26	ot_454000_3177000.laz	7,745,839	454,000	3,177,000	3.68	454,999.99	3,177,999.99	46.37	999,980	7.75
27	ot_454000_3180000.laz	5,180,806	454,000	3,180,000	5.33	454,999.99	3,180,999.99	58.50	999,980	5.18
28	ot_455000_3175000.laz	6,231,229	455,000	3,175,000	-43.17	455,999.99	3,175,999.99	75.23	999,980	6.23
29	ot_452000_3175000.laz	6,217,779	452,000	3,175,000	10.96	452,999.99	3,175,999.99	109.16	999,980	6.22
30	ot_455000_3176000.laz	8,317,805	455,000	3,176,000	-1.11	455,999.99	3,176,999.99	42.08	999,980	8.32
31	ot_451000_3179000.laz	6,555,252	451,000	3,179,000	7.59	451,999.99	3,179,999.99	46.63	999,980	6.56
32	ot_452000_3178000.laz	7,090,419	452,000	3,178,000	6.88	452,999.99	3,178,999.99	50.34	999,980	7.09
33	ot_452000_3177000.laz	7,167,104	452,000	3,177,000	7.16	452,999.99	3,177,999.99	129.61	999,980	7.17
34	ot_456000_3177000.laz	4,852,781	456,000	3,177,000	3.03	456,745.41	3,177,999.99	41.44	745,402.55	6.51
35	ot_454000_3176000.laz	7,501,965	454,000	3,176,000	3.29	454,999.99	3,176,999.99	48.57	999,980	7.50
36	ot_451000_3176000.laz	6,676,955	451,000	3,176,000	12.73	451,999.99	3,176,999.99	130.88	999,980	6.68
37	ot_453000_3178000.laz	6,386,465	453,000	3,178,000	5.45	453,999.99	3,178,999.99	103.89	999,980	6.39
38	ot_452000_3180000.laz	7,065,214	452,000	3,180,000	7.64	452,999.99	3,180,999.99	47.84	999,980	7.07
39	ot_454000_3175000.laz	5,795,773	454,000	3,175,000	-1.78	454,999.99	3,175,999.99	95.05	999,980	5.80
40	ot_452000_3181000.laz	7,319,253	452,000	3,181,000	5.55	452,999.99	3,181,999.99	78.36	999,980	7.32
41	ot_451000_3177000.laz	6,966,209	451,000	3,177,000	13.94	451,999.99	3,177,999.99	59.54	999,980	6.97
42	ot_450000_3175000.laz	2,517,852	450,378.43	3,175,000	15.19	450,999.99	3,175,999.99	113.74	621,553.78	4.05
43	ot_450000_3179000.laz	3,854,197	450,223.49	3,179,000	13.67	450,999.99	3,179,999.99	69.69	776,492.24	4.96
44	ot_454000_3179000.laz	7,111,212	454,000	3,179,000	4.43	454,999.99	3,179,999.99	47.29	999,980	7.11
45	ot_451000_3180000.laz	7,210,608	451,000	3,180,000	6.89	451,999.99	3,180,999.99	45.67	999,980	7.21
46	ot_455000_3177000.laz	7,916,575	455,000	3,177,000	3.10	455,999.99	3,177,999.99	43.26	999,980	7.92
47	ot_450000_3182000.laz	4,280,614	450,106.08	3,182,000	5.86	450,999.99	3,182,999.99	107.98	893,901.06	4.79
48	ot_452000_3179000.laz	6,696,064	452,000	3,179,000	7.68	452,999.99	3,179,999.99	47.01	999,980	6.70
49	ot_452000_3183000.laz	7,897,421	452,000	3,183,000	5.40	452,999.99	3,183,999.99	101.14	999,980	7.90
50	ot_451000_3178000.laz	6,640,110	451,000	3,178,000	7.51	451,999.99	3,178,999.99	77.47	999,980	6.64
51	ot_453000_3181000.laz	7,539,099	453,000	3,181,000	5.30	453,999.99	3,181,999.99	42.94	999,980	7.54
52	ot_451000_3175000.laz	6,061,134	451,000	3,175,000	-8.11	451,999.99	3,175,999.99	133.28	999,980	6.06
53	ot_450000_3180000.laz	4,293,158	450,246.81	3,180,000	11.78	450,999.99	3,180,999.99	55.63	753,172.47	5.70
54	ot_451000_3181000.laz	7,259,187	451,000	3,181,000	6.40	451,999.99	3,181,999.99	48.82	999,980	7.26
55	ot_454000_3182000.laz	2,132,192	454,000	3,182,000	6.86	454,415.52	3,182,999.99	40.80	415,515.84	5.13

File Breakdown by Spatial Reference (Detailed)

55 files use the Projected Coordinate System 'NAD83 / UTM zone 17N', measured in 'metre'
These files use the vertical coordinate system 'NAVD88 height', measured in 'metre'
The full text of this spatial coordinate system is as follows:
<proj4>+proj=utm +zone=17 +datum=NAD83 +units=m +geoidgrids=g2003conus.gtx
,g2003alaska.gtx,g2003h01.gtx,g2003p01.gtx +vunits=m +no_defs </proj4><
prettywkt>PROJCS["NAD83 / UTM zone 17N",
     GEOGCS["NAD83",
         DATUM["North_American_Datum_1983",
             SPHEROID["GRS 1980",6378137,298.2572221010042,
                 AUTHORITY["EPSG","7019"]],
             AUTHORITY["EPSG","6269"]],
         PRIMEM["Greenwich",0],
         UNIT["degree",0.0174532925199433],
         AUTHORITY["EPSG","4269"]],
     PROJECTION["Transverse_Mercator"],
     PARAMETER["latitude_of_origin",0],
     PARAMETER["central_meridian",-81],
     PARAMETER["scale_factor",0.9996],
     PARAMETER["false_easting",500000],
     PARAMETER["false_northing",0],
     UNIT["metre",1,
         AUTHORITY["EPSG","9001"]],
     AUTHORITY["EPSG","26917"]]</prettywkt><wkt>PROJCS["NAD83 / UTM 
zone 17N",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6
378137,298.2572221010042,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6269"]],PRI
MEM["Greenwich",0],UNIT["degree",0.0174532925199433],AUTHORITY["EPSG","4269"]],P
ROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["ce
ntral_meridian",-81],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",
500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],A
UTHORITY["EPSG","26917"]]</wkt><compoundwkt>COMPD_CS["unknown",PROJC
S["NAD83 / UTM zone 17N",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHERO
ID["GRS 1980",6378137,298.2572221010042,AUTHORITY["EPSG","7019"]],AUTHORITY["EPS
G","6269"]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433],AUTHORITY["E
PSG","4269"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0
],PARAMETER["central_meridian",-81],PARAMETER["scale_factor",0.9996],PARAMETER["
false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["E
PSG","9001"]],AUTHORITY["EPSG","26917"]],VERT_CS["NAVD88 height",VERT_DATUM["Nor
th American Vertical Datum 1988",2005,AUTHORITY["EPSG","5103"],EXTENSION["PROJ4_
GRIDS","g2003conus.gtx,g2003alaska.gtx,g2003h01.gtx,g2003p01.gtx"]],AXIS["Up",UP
],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","5703"]]]</compou
ndwkt><prettycompoundwkt>COMPD_CS["unknown",
     PROJCS["NAD83 / UTM zone 17N",
         GEOGCS["NAD83",
             DATUM["North_American_Datum_1983",
                 SPHEROID["GRS 1980",6378137,298.2572221010042,
                     AUTHORITY["EPSG","7019"]],
                 AUTHORITY["EPSG","6269"]],
             PRIMEM["Greenwich",0],
             UNIT["degree",0.0174532925199433],
             AUTHORITY["EPSG","4269"]],
         PROJECTION["Transverse_Mercator"],
         PARAMETER["latitude_of_origin",0],
         PARAMETER["central_meridian",-81],
         PARAMETER["scale_factor",0.9996],
         PARAMETER["false_easting",500000],
         PARAMETER["false_northing",0],
         UNIT["metre",1,
             AUTHORITY["EPSG","9001"]],
         AUTHORITY["EPSG","26917"]],
     VERT_CS["NAVD88 height",
         VERT_DATUM["North American Vertical Datum 1988",2005,
             AUTHORITY["EPSG","5103"],
             EXTENSION["PROJ4_GRIDS","g2003conus.gtx,g2003alaska.gtx,g2003h01.gt
x,g2003p01.gtx"]],
         AXIS["Up",UP],
         UNIT["metre",1,
             AUTHORITY["EPSG","9001"]],
         AUTHORITY["EPSG","5703"]]]</prettycompoundwkt><gtiff>Geotif
f_Information:
    Version: 1
    Key_Revision: 1.0
    Tagged_Information:
       End_Of_Tags.
    Keyed_Information:
       GTModelTypeGeoKey (Short,1): ModelTypeProjected
       GTRasterTypeGeoKey (Short,1): RasterPixelIsArea
       GTCitationGeoKey (Ascii,31): "NAD83 / UTM zone 17N + VERT_CS"
       GeogCitationGeoKey (Ascii,6): "NAD83"
       GeogAngularUnitsGeoKey (Short,1): Angular_Degree
       ProjectedCSTypeGeoKey (Short,1): PCS_NAD83_UTM_zone_17N
       ProjLinearUnitsGeoKey (Short,1): Linear_Meter
       VerticalCSTypeGeoKey (Short,1): Unknown-5703
       VerticalCitationGeoKey (Ascii,14): "NAVD88 height"
       VerticalDatumGeoKey (Short,1): Unknown-5103
       VerticalUnitsGeoKey (Short,1): Linear_Meter
       End_Of_Keys.
    End_Of_Geotiff.
 </gtiff>

OpenTopography LAS Registration and Processing Report