OpenTopography LAS Validation Report for NZ10

Point Inspection Summary

Total Area of Tiles (m²)	11,464,432.45
Sum of Area of Per-Tile as Determined by Scan (m²)	11,464,432.45
Total Number of Bytes on Disk	125,750,786
Total Number of Points as Reported in Headers	39,417,383
Total Number of Points as Determined by Scan	39,417,383
Mean Point Density as Reported in Headers (points/m²)	3.44
Mean Point Density as Determined by Scan (points/m²)	3.44
LAS Versions Processed	1.2 (18 files)
LAS File Types Processed	LAZ (18 files)
LAS File Signatures Processed	LASF (18 files)
File Breakdown by Source ID	0: 18 file(s)
File Breakdown by System ID	LAStools (c) by rapidlasso GmbH: 18 file(s)
File Breakdown by Generating Software ID	lastile (180209) academic: 18 file(s)
Point Breakdown by Return (return: header / actual)	1: 39,417,383 / 39,417,383 2: 0 / 0 3: 0 / 0 4: 0 / 0 5: 0 / 0
Point Breakdown by Pulse (pulse: actual)	1: 39,417,383 2: 0 3: 0 4: 0 5: 0
Point Breakdown by Classification (class: name: points)	1: Unclassified: 37,329,469 2: Ground: 2,087,914
File Breakdown by Coordinate Reference System	18 files of type [Projected Coordinate System] Horizontal CRS: NZGD2000 / New Zealand Transverse Mercator 2000 [metre] Vertical CRS: Wellington 1953 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	107, 107
File Creation Year	2018, 2018
Bounding Box of Tiles	(1799215.51, 5462245.61), (1803735.79, 5467832.13)
Z-Axis Values	160.34, 720.25
Bounding Box of All Points	(1799215.51, 5462245.61), (1803735.79, 5467832.13)
Z-Axis Values	160.34, 720.25

Summary of Warnings

There are no warnings to report.

LAS File Content

#	fileName	fcYear	fcDay	isCompressed	bytes	softwareID
1	ot_tile_1801000_5467000.laz	2018	107	true	6,531	lastile (180209) academic
2	ot_tile_1799000_5463000.laz	2018	107	true	9,521,506	lastile (180209) academic
3	ot_tile_1799000_5464000.laz	2018	107	true	257,382	lastile (180209) academic
4	ot_tile_1801000_5464000.laz	2018	107	true	8,301,765	lastile (180209) academic
5	ot_tile_1802000_5464000.laz	2018	107	true	368,517	lastile (180209) academic
6	ot_tile_1801000_5466000.laz	2018	107	true	5,007,298	lastile (180209) academic
7	ot_tile_1802000_5465000.laz	2018	107	true	6,092,961	lastile (180209) academic
8	ot_tile_1801000_5463000.laz	2018	107	true	2,059,398	lastile (180209) academic
9	ot_tile_1801000_5465000.laz	2018	107	true	15,605,503	lastile (180209) academic
10	ot_tile_1802000_5467000.laz	2018	107	true	10,893,672	lastile (180209) academic
11	ot_tile_1803000_5467000.laz	2018	107	true	5,585,690	lastile (180209) academic
12	ot_tile_1800000_5463000.laz	2018	107	true	15,683,451	lastile (180209) academic
13	ot_tile_1800000_5465000.laz	2018	107	true	2,076,095	lastile (180209) academic
14	ot_tile_1800000_5464000.laz	2018	107	true	14,499,368	lastile (180209) academic
15	ot_tile_1802000_5466000.laz	2018	107	true	18,726,680	lastile (180209) academic
16	ot_tile_1803000_5466000.laz	2018	107	true	3,224,099	lastile (180209) academic
17	ot_tile_1799000_5462000.laz	2018	107	true	3,236,549	lastile (180209) academic
18	ot_tile_1800000_5462000.laz	2018	107	true	4,604,321	lastile (180209) academic

Header Information

#	FileName	PointCount	minX	minY	minZ	maxX	maxY	maxZ	Area	Density
1	ot_tile_1801000_5467000.laz	1,313	1,801,965.13	5,467,000.02	529.20	1,801,999.99	5,467,034.56	575.16	1,204.06	1.09
2	ot_tile_1799000_5463000.laz	2,903,189	1,799,215.51	5,463,000	339.70	1,799,999.99	5,463,999.99	720.25	784,472.16	3.70
3	ot_tile_1799000_5464000.laz	75,014	1,799,803.41	5,464,000	411.38	1,799,999.99	5,464,317.36	581.27	62,386.63	1.20
4	ot_tile_1801000_5464000.laz	2,750,841	1,801,000	5,464,000	177.05	1,801,999.99	5,464,999.99	467.90	999,980	2.75
5	ot_tile_1802000_5464000.laz	117,843	1,802,000	5,464,556.96	192.82	1,802,285.39	5,464,999.99	301.93	126,436.33	0.93
6	ot_tile_1801000_5466000.laz	1,651,242	1,801,225.69	5,466,000	200.55	1,801,999.99	5,466,999.98	607.02	774,284.51	2.13
7	ot_tile_1802000_5465000.laz	1,971,603	1,802,000	5,465,000	188.79	1,802,930.96	5,465,999.99	425.39	930,950.69	2.12
8	ot_tile_1801000_5463000.laz	642,772	1,801,000	5,463,010.01	174.16	1,801,639.30	5,463,999.99	355.43	632,894.21	1.02
9	ot_tile_1801000_5465000.laz	5,015,353	1,801,000	5,465,000	187.05	1,801,999.99	5,465,999.99	597.61	999,980	5.02
10	ot_tile_1802000_5467000.laz	3,373,164	1,802,000.06	5,467,000	287.39	1,802,999.99	5,467,832.13	633.19	832,071.75	4.05
11	ot_tile_1803000_5467000.laz	1,733,876	1,803,000	5,467,000	257.71	1,803,735.79	5,467,665.78	497.50	489,874.27	3.54
12	ot_tile_1800000_5463000.laz	4,798,855	1,800,000	5,463,000	164.29	1,800,999.99	5,463,999.99	603.08	999,980	4.80
13	ot_tile_1800000_5465000.laz	627,426	1,800,561.09	5,465,000	330.15	1,800,999.99	5,465,668.24	600.62	293,290.54	2.14
14	ot_tile_1800000_5464000.laz	4,424,673	1,800,000	5,464,000	183.35	1,800,999.99	5,464,999.99	643.21	999,980	4.42
15	ot_tile_1802000_5466000.laz	5,963,840	1,802,000	5,466,000	197.45	1,802,999.99	5,466,999.99	610.54	999,980	5.96
16	ot_tile_1803000_5466000.laz	1,011,082	1,803,000	5,466,105.72	236.11	1,803,576.84	5,466,999.99	475.70	515,850.71	1.96
17	ot_tile_1799000_5462000.laz	972,119	1,799,406.50	5,462,543.94	279.01	1,799,999.99	5,462,999.99	473.49	270,661.11	3.59
18	ot_tile_1800000_5462000.laz	1,383,178	1,800,000	5,462,245.61	160.34	1,800,994.40	5,462,999.99	401.24	750,155.47	1.84

Results from File Scan

#	FileName	PointCount	minX	minY	minZ	maxX	maxY	maxZ	Area	Density
1	ot_tile_1801000_5467000.laz	1,313	1,801,965.13	5,467,000.02	529.20	1,801,999.99	5,467,034.56	575.16	1,204.06	1.09
2	ot_tile_1799000_5463000.laz	2,903,189	1,799,215.51	5,463,000	339.70	1,799,999.99	5,463,999.99	720.25	784,472.16	3.70
3	ot_tile_1799000_5464000.laz	75,014	1,799,803.41	5,464,000	411.38	1,799,999.99	5,464,317.36	581.27	62,386.63	1.20
4	ot_tile_1801000_5464000.laz	2,750,841	1,801,000	5,464,000	177.05	1,801,999.99	5,464,999.99	467.90	999,980	2.75
5	ot_tile_1802000_5464000.laz	117,843	1,802,000	5,464,556.96	192.82	1,802,285.39	5,464,999.99	301.93	126,436.33	0.93
6	ot_tile_1801000_5466000.laz	1,651,242	1,801,225.69	5,466,000	200.55	1,801,999.99	5,466,999.98	607.02	774,284.51	2.13
7	ot_tile_1802000_5465000.laz	1,971,603	1,802,000	5,465,000	188.79	1,802,930.96	5,465,999.99	425.39	930,950.69	2.12
8	ot_tile_1801000_5463000.laz	642,772	1,801,000	5,463,010.01	174.16	1,801,639.30	5,463,999.99	355.43	632,894.21	1.02
9	ot_tile_1801000_5465000.laz	5,015,353	1,801,000	5,465,000	187.05	1,801,999.99	5,465,999.99	597.61	999,980	5.02
10	ot_tile_1802000_5467000.laz	3,373,164	1,802,000.06	5,467,000	287.39	1,802,999.99	5,467,832.13	633.19	832,071.75	4.05
11	ot_tile_1803000_5467000.laz	1,733,876	1,803,000	5,467,000	257.71	1,803,735.79	5,467,665.78	497.50	489,874.27	3.54
12	ot_tile_1800000_5463000.laz	4,798,855	1,800,000	5,463,000	164.29	1,800,999.99	5,463,999.99	603.08	999,980	4.80
13	ot_tile_1800000_5465000.laz	627,426	1,800,561.09	5,465,000	330.15	1,800,999.99	5,465,668.24	600.62	293,290.54	2.14
14	ot_tile_1800000_5464000.laz	4,424,673	1,800,000	5,464,000	183.35	1,800,999.99	5,464,999.99	643.21	999,980	4.42
15	ot_tile_1802000_5466000.laz	5,963,840	1,802,000	5,466,000	197.45	1,802,999.99	5,466,999.99	610.54	999,980	5.96
16	ot_tile_1803000_5466000.laz	1,011,082	1,803,000	5,466,105.72	236.11	1,803,576.84	5,466,999.99	475.70	515,850.71	1.96
17	ot_tile_1799000_5462000.laz	972,119	1,799,406.50	5,462,543.94	279.01	1,799,999.99	5,462,999.99	473.49	270,661.11	3.59
18	ot_tile_1800000_5462000.laz	1,383,178	1,800,000	5,462,245.61	160.34	1,800,994.40	5,462,999.99	401.24	750,155.47	1.84

File Breakdown by Spatial Reference (Detailed)

18 files use the Projected Coordinate System 'NZGD2000 / New Zealand Transverse Mercator 2000', measured in 'metre'
These files use the vertical coordinate system 'Wellington 1953 height', measured in 'metre'
The full text of this spatial coordinate system is as follows:
<proj4>+proj=tmerc +lat_0=0 +lon_0=173 +k=0.9996 +x_0=1600000 +y_0=1000000
0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +vunits=m +no_defs </proj4>
<prettywkt>PROJCS["NZGD2000 / New Zealand Transverse Mercator 2000",
     GEOGCS["NZGD2000",
         DATUM["New_Zealand_Geodetic_Datum_2000",
             SPHEROID["GRS 1980",6378137,298.2572221010002,
                 AUTHORITY["EPSG","7019"]],
             TOWGS84[0,0,0,0,0,0,0],
             AUTHORITY["EPSG","6167"]],
         PRIMEM["Greenwich",0],
         UNIT["degree",0.0174532925199433],
         AUTHORITY["EPSG","4167"]],
     PROJECTION["Transverse_Mercator"],
     PARAMETER["latitude_of_origin",0],
     PARAMETER["central_meridian",173],
     PARAMETER["scale_factor",0.9996],
     PARAMETER["false_easting",1600000],
     PARAMETER["false_northing",10000000],
     UNIT["metre",1,
         AUTHORITY["EPSG","9001"]],
     AUTHORITY["EPSG","2193"]]</prettywkt><wkt>PROJCS["NZGD2000 / Ne
w Zealand Transverse Mercator 2000",GEOGCS["NZGD2000",DATUM["New_Zealand_Geodeti
c_Datum_2000",SPHEROID["GRS 1980",6378137,298.2572221010002,AUTHORITY["EPSG","70
19"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6167"]],PRIMEM["Greenwich",0],UNI
T["degree",0.0174532925199433],AUTHORITY["EPSG","4167"]],PROJECTION["Transverse_
Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",173],P
ARAMETER["scale_factor",0.9996],PARAMETER["false_easting",1600000],PARAMETER["fa
lse_northing",10000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG
","2193"]]</wkt><compoundwkt>COMPD_CS["unknown",PROJCS["NZGD2000 / N
ew Zealand Transverse Mercator 2000",GEOGCS["NZGD2000",DATUM["New_Zealand_Geodet
ic_Datum_2000",SPHEROID["GRS 1980",6378137,298.2572221010002,AUTHORITY["EPSG","7
019"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6167"]],PRIMEM["Greenwich",0],UN
IT["degree",0.0174532925199433],AUTHORITY["EPSG","4167"]],PROJECTION["Transverse
_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",173],
PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",1600000],PARAMETER["f
alse_northing",10000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPS
G","2193"]],VERT_CS["Wellington 1953 height",VERT_DATUM["Wellington 1953",2005,A
UTHORITY["EPSG","5168"]],AXIS["Up",UP],UNIT["metre",1,AUTHORITY["EPSG","9001"]],
AUTHORITY["EPSG","5770"]]]</compoundwkt><prettycompoundwkt>COMPD_CS[
"unknown",
     PROJCS["NZGD2000 / New Zealand Transverse Mercator 2000",
         GEOGCS["NZGD2000",
             DATUM["New_Zealand_Geodetic_Datum_2000",
                 SPHEROID["GRS 1980",6378137,298.2572221010002,
                     AUTHORITY["EPSG","7019"]],
                 TOWGS84[0,0,0,0,0,0,0],
                 AUTHORITY["EPSG","6167"]],
             PRIMEM["Greenwich",0],
             UNIT["degree",0.0174532925199433],
             AUTHORITY["EPSG","4167"]],
         PROJECTION["Transverse_Mercator"],
         PARAMETER["latitude_of_origin",0],
         PARAMETER["central_meridian",173],
         PARAMETER["scale_factor",0.9996],
         PARAMETER["false_easting",1600000],
         PARAMETER["false_northing",10000000],
         UNIT["metre",1,
             AUTHORITY["EPSG","9001"]],
         AUTHORITY["EPSG","2193"]],
     VERT_CS["Wellington 1953 height",
         VERT_DATUM["Wellington 1953",2005,
             AUTHORITY["EPSG","5168"]],
         AXIS["Up",UP],
         UNIT["metre",1,
             AUTHORITY["EPSG","9001"]],
         AUTHORITY["EPSG","5770"]]]</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,58): "NZGD2000 / New Zealand Transverse Mercator 
2000 + VERT_CS"
       GeogCitationGeoKey (Ascii,9): "NZGD2000"
       GeogAngularUnitsGeoKey (Short,1): Angular_Degree
       GeogTOWGS84GeoKey (Double,3): 0                0                0        
        
       ProjectedCSTypeGeoKey (Short,1): Unknown-2193
       ProjLinearUnitsGeoKey (Short,1): Linear_Meter
       VerticalCSTypeGeoKey (Short,1): Unknown-5770
       VerticalCitationGeoKey (Ascii,23): "Wellington 1953 height"
       VerticalDatumGeoKey (Short,1): Unknown-5168
       VerticalUnitsGeoKey (Short,1): Linear_Meter
       End_Of_Keys.
    End_Of_Geotiff.
 </gtiff>

OpenTopography LAS Registration and Processing Report