OpenTopography LAS Validation Report for NC06

Point Inspection Summary

Total Area of Tiles (m²)	522,940,559.53
Sum of Area of Per-Tile as Determined by Scan (m²)	522,940,559.53
Total Number of Bytes on Disk	267,010,757
Total Number of Points as Reported in Headers	126,719,522
Total Number of Points as Determined by Scan	126,719,522
Mean Point Density as Reported in Headers (points/m²)	0.24
Mean Point Density as Determined by Scan (points/m²)	0.24
LAS Versions Processed	1.2 (32 files)
LAS File Types Processed	LAZ (32 files)
LAS File Signatures Processed	LASF (32 files)
File Breakdown by Source ID	0: 32 file(s)
File Breakdown by System ID	LAStools (c) by Martin Isenburg: 32 file(s)
File Breakdown by Generating Software ID	txt2las (version 120309): 32 file(s)
Point Breakdown by Return (return: header / actual)	1: 126,719,522 / 126,719,522 2: 0 / 0 3: 0 / 0 4: 0 / 0 5: 0 / 0
Point Breakdown by Pulse (pulse: actual)	1: 126,719,522 2: 0 3: 0 4: 0 5: 0
Point Breakdown by Classification (class: name: points)	1: Unclassified: 50,323,426 2: Ground: 76,396,096
File Breakdown by Coordinate Reference System	32 files of type [Projected Coordinate System] Horizontal CRS: NAD83 / UTM zone 18N [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	0, 0
Return Number	1, 1
Return Count	1, 1
Flightline Edge	0, 0
Intensity	0, 0
Scan Direction Flag	0, 0
Scan Angle Rank	0, 0
Classification	1, 2
Point Source ID	0, 0
User Data	0, 0
Minimum RGB Colors	0, 0, 0
Maximum RGB Colors	0, 0, 0
File Creation Day	333, 333
File Creation Year	2011, 2011
Bounding Box of Tiles	(357587.11, 3825322.11), (458533.36, 3963945.55)
Z-Axis Values	-55.15, 644.53
Bounding Box of All Points	(357587.11, 3825322.11), (458533.36, 3963945.55)
Z-Axis Values	-55.15, 644.53

Summary of Warnings

There are no warnings to report.

LAS File Content

#	fileName	fcYear	fcDay	isCompressed	bytes	softwareID
1	ot_mpt15.laz	2011	333	true	9,497,386	txt2las (version 120309)
2	ot_mpt03.laz	2011	333	true	7,782,258	txt2las (version 120309)
3	ot_mpt25.laz	2011	333	true	8,665,605	txt2las (version 120309)
4	ot_mpt30.laz	2011	333	true	8,620,703	txt2las (version 120309)
5	ot_mpt08.laz	2011	333	true	8,442,853	txt2las (version 120309)
6	ot_mpt24.laz	2011	333	true	7,793,402	txt2las (version 120309)
7	ot_mpt13.laz	2011	333	true	7,379,206	txt2las (version 120309)
8	ot_mpt02.laz	2011	333	true	5,465,306	txt2las (version 120309)
9	ot_mpt05.laz	2011	333	true	8,159,660	txt2las (version 120309)
10	ot_mpt06.laz	2011	333	true	10,024,825	txt2las (version 120309)
11	ot_mpt27.laz	2011	333	true	7,976,938	txt2las (version 120309)
12	ot_mpt32.laz	2011	333	true	7,150,165	txt2las (version 120309)
13	ot_mpt29.laz	2011	333	true	7,765,565	txt2las (version 120309)
14	ot_mpt20.laz	2011	333	true	9,065,359	txt2las (version 120309)
15	ot_mpt09.laz	2011	333	true	8,900,822	txt2las (version 120309)
16	ot_mpt17.laz	2011	333	true	8,794,781	txt2las (version 120309)
17	ot_mpt10.laz	2011	333	true	8,346,277	txt2las (version 120309)
18	ot_mpt23.laz	2011	333	true	7,184,941	txt2las (version 120309)
19	ot_mpt21.laz	2011	333	true	9,798,785	txt2las (version 120309)
20	ot_mpt19.laz	2011	333	true	8,820,761	txt2las (version 120309)
21	ot_mpt26.laz	2011	333	true	7,902,594	txt2las (version 120309)
22	ot_mpt01.laz	2011	333	true	3,416,587	txt2las (version 120309)
23	ot_mpt18.laz	2011	333	true	11,992,246	txt2las (version 120309)
24	ot_mpt07.laz	2011	333	true	10,835,610	txt2las (version 120309)
25	ot_mpt14.laz	2011	333	true	10,104,685	txt2las (version 120309)
26	ot_mpt04.laz	2011	333	true	8,777,275	txt2las (version 120309)
27	ot_mpt22.laz	2011	333	true	4,548,829	txt2las (version 120309)
28	ot_mpt16.laz	2011	333	true	9,720,395	txt2las (version 120309)
29	ot_mpt28.laz	2011	333	true	8,576,187	txt2las (version 120309)
30	ot_mpt12.laz	2011	333	true	8,636,311	txt2las (version 120309)
31	ot_mpt11.laz	2011	333	true	8,437,441	txt2las (version 120309)
32	ot_mpt31.laz	2011	333	true	8,426,999	txt2las (version 120309)

Header Information

#	FileName	PointCount	minX	minY	minZ	maxX	maxY	maxZ	Area	Density
1	ot_mpt15.laz	4,314,599	414,074.17	3,885,750.85	-1.46	419,597.88	3,889,278.17	19.30	19,483,892.76	0.22
2	ot_mpt03.laz	3,619,504	362,715.39	3,836,113.77	-1.19	366,484.11	3,841,512.50	605.32	20,346,301.73	0.18
3	ot_mpt25.laz	4,359,636	455,454.40	3,917,078.80	-1.28	456,427.58	3,923,243.55	523.02	5,999,411.40	0.73
4	ot_mpt30.laz	4,140,219	455,318.43	3,946,776.57	-1.42	457,217.67	3,952,699.43	40.82	11,248,932.63	0.37
5	ot_mpt08.laz	3,915,026	381,670.34	3,859,287.94	-1.27	386,623.12	3,863,666.55	9.24	21,686,292.04	0.18
6	ot_mpt24.laz	3,735,529	454,268.38	3,911,227.63	-8.62	456,024.22	3,917,258.68	19.50	10,589,558.83	0.35
7	ot_mpt13.laz	3,622,803	404,288.88	3,878,904.91	-1.30	409,785.03	3,882,472.92	18.98	19,610,318.16	0.18
8	ot_mpt02.laz	2,593,811	359,908.98	3,830,827.60	-1.13	363,188.43	3,836,477.76	597.05	18,529,417.21	0.14
9	ot_mpt05.laz	3,865,729	369,699.17	3,845,898.66	-1.33	373,868.07	3,850,975.93	42.11	21,166,630.90	0.18
10	ot_mpt06.laz	4,719,214	373,429.70	3,850,553.45	-1.36	377,814.54	3,855,578.11	413.55	22,032,330.15	0.21
11	ot_mpt27.laz	3,887,881	456,710.62	3,929,010.57	-1.39	458,250.77	3,935,105.21	552.97	9,386,659.80	0.41
12	ot_mpt32.laz	3,295,284	449,594.23	3,957,903.17	-1.35	453,564.12	3,963,945.55	56.87	23,987,583.94	0.14
13	ot_mpt29.laz	3,797,663	456,692.75	3,940,828.23	-1.42	458,179.03	3,946,940.58	388.78	9,084,663.56	0.42
14	ot_mpt20.laz	4,417,853	441,428.74	3,897,800.08	-3.18	447,441.33	3,899,529.51	48.81	10,398,353.52	0.42
15	ot_mpt09.laz	4,136,150	386,236.18	3,863,224.65	-1.40	390,920.86	3,867,827.43	6.79	21,562,551.41	0.19
16	ot_mpt17.laz	3,981,710	424,694.57	3,891,364.16	-1.31	430,668.48	3,894,123.28	28.94	16,482,734.56	0.24
17	ot_mpt10.laz	3,980,986	390,525.72	3,867,406.67	-1.37	395,266.78	3,871,968.83	8.87	21,629,474.29	0.18
18	ot_mpt23.laz	3,294,207	453,071.97	3,905,350.17	-1.34	454,694.66	3,911,415.69	612.96	9,842,458.65	0.33
19	ot_mpt21.laz	4,966,201	447,257.59	3,897,225.60	-1.32	453,345.39	3,899,626.49	23.08	14,616,138.14	0.34
20	ot_mpt19.laz	4,121,752	435,785.28	3,895,712.67	-1.29	441,644.36	3,898,365.17	92.26	15,541,209.70	0.27
21	ot_mpt26.laz	3,811,110	455,880.28	3,923,076.82	-1.43	457,227.17	3,929,197.61	419.80	8,244,030.84	0.46
22	ot_mpt01.laz	1,629,738	357,587.11	3,825,322.11	-55.15	360,338.90	3,831,069.43	19.65	15,815,417.70	0.10
23	ot_mpt18.laz	5,577,244	430,178.41	3,892,688.70	-1.37	436,073.06	3,896,205.77	567.53	20,731,896.68	0.27
24	ot_mpt07.laz	5,024,411	377,305.36	3,855,108.90	-1.31	382,100.80	3,859,724.73	18.84	22,134,935.82	0.23
25	ot_mpt14.laz	4,670,995	409,408.91	3,881,999.41	-2.44	414,512.62	3,886,218.10	52.33	21,530,970.34	0.22
26	ot_mpt04.laz	4,042,449	366,055.47	3,841,120.13	-1.37	370,115.77	3,846,279.05	633.35	20,946,762.88	0.19
27	ot_mpt22.laz	2,094,644	451,966.51	3,899,449.71	-1.29	453,521.49	3,905,499.79	644.53	9,407,753.40	0.22
28	ot_mpt16.laz	4,415,088	419,236.63	3,888,705.44	-1.29	424,951.47	3,891,904.36	13.35	18,281,315.97	0.24
29	ot_mpt28.laz	4,256,768	457,633.96	3,934,893.47	-6.14	458,533.36	3,941,032.08	428.18	5,521,065.83	0.77
30	ot_mpt12.laz	4,347,303	399,353.97	3,875,553.93	-1.32	404,637.85	3,879,346.25	9.66	20,038,163.80	0.22
31	ot_mpt11.laz	4,058,744	394,883.65	3,871,559.13	-1.33	399,724.79	3,875,961.10	7.01	21,310,553.05	0.19
32	ot_mpt31.laz	4,025,271	453,068.12	3,952,505.83	-1.39	455,782.53	3,958,309.22	170.28	15,752,779.85	0.26

Results from File Scan

#	FileName	PointCount	minX	minY	minZ	maxX	maxY	maxZ	Area	Density
1	ot_mpt15.laz	4,314,599	414,074.17	3,885,750.85	-1.46	419,597.88	3,889,278.17	19.30	19,483,892.76	0.22
2	ot_mpt03.laz	3,619,504	362,715.39	3,836,113.77	-1.19	366,484.11	3,841,512.50	605.32	20,346,301.73	0.18
3	ot_mpt25.laz	4,359,636	455,454.40	3,917,078.80	-1.28	456,427.58	3,923,243.55	523.02	5,999,411.40	0.73
4	ot_mpt30.laz	4,140,219	455,318.43	3,946,776.57	-1.42	457,217.67	3,952,699.43	40.82	11,248,932.63	0.37
5	ot_mpt08.laz	3,915,026	381,670.34	3,859,287.94	-1.27	386,623.12	3,863,666.55	9.24	21,686,292.04	0.18
6	ot_mpt24.laz	3,735,529	454,268.38	3,911,227.63	-8.62	456,024.22	3,917,258.68	19.50	10,589,558.83	0.35
7	ot_mpt13.laz	3,622,803	404,288.88	3,878,904.91	-1.30	409,785.03	3,882,472.92	18.98	19,610,318.16	0.18
8	ot_mpt02.laz	2,593,811	359,908.98	3,830,827.60	-1.13	363,188.43	3,836,477.76	597.05	18,529,417.21	0.14
9	ot_mpt05.laz	3,865,729	369,699.17	3,845,898.66	-1.33	373,868.07	3,850,975.93	42.11	21,166,630.90	0.18
10	ot_mpt06.laz	4,719,214	373,429.70	3,850,553.45	-1.36	377,814.54	3,855,578.11	413.55	22,032,330.15	0.21
11	ot_mpt27.laz	3,887,881	456,710.62	3,929,010.57	-1.39	458,250.77	3,935,105.21	552.97	9,386,659.80	0.41
12	ot_mpt32.laz	3,295,284	449,594.23	3,957,903.17	-1.35	453,564.12	3,963,945.55	56.87	23,987,583.94	0.14
13	ot_mpt29.laz	3,797,663	456,692.75	3,940,828.23	-1.42	458,179.03	3,946,940.58	388.78	9,084,663.56	0.42
14	ot_mpt20.laz	4,417,853	441,428.74	3,897,800.08	-3.18	447,441.33	3,899,529.51	48.81	10,398,353.52	0.42
15	ot_mpt09.laz	4,136,150	386,236.18	3,863,224.65	-1.40	390,920.86	3,867,827.43	6.79	21,562,551.41	0.19
16	ot_mpt17.laz	3,981,710	424,694.57	3,891,364.16	-1.31	430,668.48	3,894,123.28	28.94	16,482,734.56	0.24
17	ot_mpt10.laz	3,980,986	390,525.72	3,867,406.67	-1.37	395,266.78	3,871,968.83	8.87	21,629,474.29	0.18
18	ot_mpt23.laz	3,294,207	453,071.97	3,905,350.17	-1.34	454,694.66	3,911,415.69	612.96	9,842,458.65	0.33
19	ot_mpt21.laz	4,966,201	447,257.59	3,897,225.60	-1.32	453,345.39	3,899,626.49	23.08	14,616,138.14	0.34
20	ot_mpt19.laz	4,121,752	435,785.28	3,895,712.67	-1.29	441,644.36	3,898,365.17	92.26	15,541,209.70	0.27
21	ot_mpt26.laz	3,811,110	455,880.28	3,923,076.82	-1.43	457,227.17	3,929,197.61	419.80	8,244,030.84	0.46
22	ot_mpt01.laz	1,629,738	357,587.11	3,825,322.11	-55.15	360,338.90	3,831,069.43	19.65	15,815,417.70	0.10
23	ot_mpt18.laz	5,577,244	430,178.41	3,892,688.70	-1.37	436,073.06	3,896,205.77	567.53	20,731,896.68	0.27
24	ot_mpt07.laz	5,024,411	377,305.36	3,855,108.90	-1.31	382,100.80	3,859,724.73	18.84	22,134,935.82	0.23
25	ot_mpt14.laz	4,670,995	409,408.91	3,881,999.41	-2.44	414,512.62	3,886,218.10	52.33	21,530,970.34	0.22
26	ot_mpt04.laz	4,042,449	366,055.47	3,841,120.13	-1.37	370,115.77	3,846,279.05	633.35	20,946,762.88	0.19
27	ot_mpt22.laz	2,094,644	451,966.51	3,899,449.71	-1.29	453,521.49	3,905,499.79	644.53	9,407,753.40	0.22
28	ot_mpt16.laz	4,415,088	419,236.63	3,888,705.44	-1.29	424,951.47	3,891,904.36	13.35	18,281,315.97	0.24
29	ot_mpt28.laz	4,256,768	457,633.96	3,934,893.47	-6.14	458,533.36	3,941,032.08	428.18	5,521,065.83	0.77
30	ot_mpt12.laz	4,347,303	399,353.97	3,875,553.93	-1.32	404,637.85	3,879,346.25	9.66	20,038,163.80	0.22
31	ot_mpt11.laz	4,058,744	394,883.65	3,871,559.13	-1.33	399,724.79	3,875,961.10	7.01	21,310,553.05	0.19
32	ot_mpt31.laz	4,025,271	453,068.12	3,952,505.83	-1.39	455,782.53	3,958,309.22	170.28	15,752,779.85	0.26

File Breakdown by Spatial Reference (Detailed)

32 files use the Projected Coordinate System 'NAD83 / UTM zone 18N', 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=18 +datum=NAD83 +units=m +geoidgrids=g2003conus.gtx
,g2003alaska.gtx,g2003h01.gtx,g2003p01.gtx +vunits=m +no_defs </proj4><
prettywkt>PROJCS["NAD83 / UTM zone 18N",
     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",-75],
     PARAMETER["scale_factor",0.9996],
     PARAMETER["false_easting",500000],
     PARAMETER["false_northing",0],
     UNIT["metre",1,
         AUTHORITY["EPSG","9001"]],
     AUTHORITY["EPSG","26918"]]</prettywkt><wkt>PROJCS["NAD83 / UTM 
zone 18N",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",-75],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",
500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],A
UTHORITY["EPSG","26918"]]</wkt><compoundwkt>COMPD_CS["unknown",PROJC
S["NAD83 / UTM zone 18N",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",-75],PARAMETER["scale_factor",0.9996],PARAMETER["
false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["E
PSG","9001"]],AUTHORITY["EPSG","26918"]],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 18N",
         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",-75],
         PARAMETER["scale_factor",0.9996],
         PARAMETER["false_easting",500000],
         PARAMETER["false_northing",0],
         UNIT["metre",1,
             AUTHORITY["EPSG","9001"]],
         AUTHORITY["EPSG","26918"]],
     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 18N + VERT_CS"
       GeogCitationGeoKey (Ascii,6): "NAD83"
       GeogAngularUnitsGeoKey (Short,1): Angular_Degree
       ProjectedCSTypeGeoKey (Short,1): PCS_NAD83_UTM_zone_18N
       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