OpenTopography - LAS Registration and Processing Report

OpenTopography LAS Registration and Processing Report

Dataset: High Resolution Topography over Gabilan Mesa, CA 2003

Short name: GabilanMesa
opentopoID: OTLAS.042020.26910.1

Report generated on 2024-12-22 by OpenTopography Data Registration Service

Point Inspection Summary

Total Area of Tiles (m²)	2,040,526,756
Sum of Area of Convex Hulls as Determined by Scan (m²)	135,211,856.78
Total Number of Bytes on Disk	634,014,381
Total Number of Points as Reported in Headers	203,565,449
Total Number of Points as Determined by Scan	203,565,449
Mean Point Density as Reported in Headers (points/m²)	0.10
Mean Point Density as Determined by Scan (points/m²)	1.51
File Breakdown by LAS versions	1.2 (15 files)
File Breakdown by LAS file types	LAZ (15 files)
File Breakdown by Source IDs	0 (15 files)
File Breakdown by System IDs	LAStools (c) by rapidlasso GmbH (15 files)
File Breakdown by Generating Software IDs	lasmerge (version 191018) (15 files)
File Breakdown by Point Data Record formats (Data Format ID)	1 (15 files)
File Breakdown by Global Encodings	[NULL] (15 files)
Point Breakdown by Returns (return: count)	1: 102,347,950 2: 101,217,499 3: 0 4: 0 5: 0
Point Breakdown by Classifications (class: name: points)	Class 0 - Never classified: 102,347,950 Class 2 - Ground: 101,217,499
File Breakdown by Coordinate Reference Systems	15 files have Horizontal Coordinate System PROJCS["NAD83 / UTM zone 10N",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-123],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26910"]] 15 files have UNKNOWN Vertical Coordinate System

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
RGB	no

Minimum and Maximum Attributes (min, max)

XYZ Positions	[692864.45, 3973959.32, 104.07], [708073.78, 3987537.97, 647.78]
Intensity	7, 7104
Return Number	1, 2
Number of Returns	2, 2
Scan Direction Flag	0, 0
Edge of Flight Line	0, 0
Classification	0, 2
Scan Angle Rank	0.0, 0.0
User Data	0, 0
Point Source ID	0, 0
GPS Time	159340.8457, 167617.6544
RGB Colors	N/A
File Creation Day	106, 106
File Creation Year	2020, 2020

Summary of Warnings

There is no warning to report.

LAS File Content

#	File Name	Creation Year	Creation DoY	Is Compressed	Bytes	Software ID
1	Str_31.laz	2020	106	true	45,402,387	lasmerge (version 191018)
2	Str_32.laz	2020	106	true	43,997,908	lasmerge (version 191018)
3	Str_33.laz	2020	106	true	46,862,795	lasmerge (version 191018)
4	Str_34.laz	2020	106	true	44,446,200	lasmerge (version 191018)
5	Str_35.laz	2020	106	true	47,133,213	lasmerge (version 191018)
6	Str_36.laz	2020	106	true	42,782,502	lasmerge (version 191018)
7	Str_37.laz	2020	106	true	48,557,476	lasmerge (version 191018)
8	Str_38.laz	2020	106	true	44,751,517	lasmerge (version 191018)
9	Str_39.laz	2020	106	true	48,043,294	lasmerge (version 191018)
10	Str_40.laz	2020	106	true	42,430,750	lasmerge (version 191018)
11	Str_41.laz	2020	106	true	44,584,101	lasmerge (version 191018)
12	Str_42.laz	2020	106	true	40,252,544	lasmerge (version 191018)
13	Str_43.laz	2020	106	true	45,093,147	lasmerge (version 191018)
14	Str_44.laz	2020	106	true	40,546,880	lasmerge (version 191018)
15	Str_45.laz	2020	106	true	9,129,667	lasmerge (version 191018)

Header Information

#	File Name	Point Count	minX	minY	minZ	maxX	maxY	maxZ	Area	Density
1	Str_31.laz	14,506,405	692864.0	3976507.0	104.0	705691.0	3987193.0	584.0	9,155,979.293	1.58
2	Str_32.laz	13,971,439	693780.0	3976985.0	105.0	706559.0	3987537.0	643.0	8,987,658.188	1.55
3	Str_33.laz	14,726,622	693072.0	3976094.0	104.0	705974.0	3986799.0	643.0	8,840,037.656	1.67
4	Str_34.laz	13,967,217	693793.0	3976441.0	105.0	706863.0	3987209.0	637.0	9,506,429.455	1.47
5	Str_35.laz	14,907,805	693301.0	3975692.0	105.0	706351.0	3986513.0	586.0	9,195,976.468	1.62
6	Str_36.laz	13,527,565	693923.0	3975968.0	106.0	707175.0	3986866.0	633.0	9,831,188.54	1.38
7	Str_37.laz	15,497,168	693515.0	3975335.0	106.0	706748.0	3986183.0	599.0	9,447,852.206	1.64
8	Str_38.laz	14,196,331	693959.0	3975412.0	106.0	707405.0	3986581.0	637.0	9,223,194.423	1.54
9	Str_39.laz	15,537,455	693749.0	3974894.0	106.0	707064.0	3985930.0	638.0	9,794,924.179	1.59
10	Str_40.laz	13,594,603	693947.0	3974793.0	107.0	707714.0	3986166.0	647.0	9,989,428.458	1.36
11	Str_41.laz	14,595,458	693963.0	3974500.0	107.0	707300.0	3985582.0	618.0	9,861,721.433	1.48
12	Str_42.laz	13,119,976	694056.0	3974259.0	107.0	708073.0	3985800.0	637.0	10,027,373.11	1.31
13	Str_43.laz	14,824,733	694170.0	3974046.0	108.0	707509.0	3985122.0	617.0	10,060,135.69	1.47
14	Str_44.laz	13,254,206	694241.0	3973959.0	108.0	707454.0	3984920.0	608.0	9,211,102.525	1.44
15	Str_45.laz	3,338,466	696077.0	3975473.0	186.0	697078.0	3980206.0	300.0	2,078,855.156	1.61

Results from File Scan

#	File Name	Point Count	minX	minY	minZ	maxX	maxY	maxZ	Area	Density
1	Str_31.laz	14,506,405	692864.0	3976507.0	104.0	705691.0	3987193.0	584.0	9,155,979.293	1.58
2	Str_32.laz	13,971,439	693780.0	3976985.0	105.0	706559.0	3987537.0	643.0	8,987,658.188	1.55
3	Str_33.laz	14,726,622	693072.0	3976094.0	104.0	705974.0	3986799.0	643.0	8,840,037.656	1.67
4	Str_34.laz	13,967,217	693793.0	3976441.0	105.0	706863.0	3987209.0	637.0	9,506,429.455	1.47
5	Str_35.laz	14,907,805	693301.0	3975692.0	105.0	706351.0	3986513.0	586.0	9,195,976.468	1.62
6	Str_36.laz	13,527,565	693923.0	3975968.0	106.0	707175.0	3986866.0	633.0	9,831,188.54	1.38
7	Str_37.laz	15,497,168	693515.0	3975335.0	106.0	706748.0	3986183.0	599.0	9,447,852.206	1.64
8	Str_38.laz	14,196,331	693959.0	3975412.0	106.0	707405.0	3986581.0	637.0	9,223,194.423	1.54
9	Str_39.laz	15,537,455	693749.0	3974894.0	106.0	707064.0	3985930.0	638.0	9,794,924.179	1.59
10	Str_40.laz	13,594,603	693947.0	3974793.0	107.0	707714.0	3986166.0	647.0	9,989,428.458	1.36
11	Str_41.laz	14,595,458	693963.0	3974500.0	107.0	707300.0	3985582.0	618.0	9,861,721.433	1.48
12	Str_42.laz	13,119,976	694056.0	3974259.0	107.0	708073.0	3985800.0	637.0	10,027,373.11	1.31
13	Str_43.laz	14,824,733	694170.0	3974046.0	108.0	707509.0	3985122.0	617.0	10,060,135.69	1.47
14	Str_44.laz	13,254,206	694241.0	3973959.0	108.0	707454.0	3984920.0	608.0	9,211,102.525	1.44
15	Str_45.laz	3,338,466	696077.0	3975473.0	186.0	697078.0	3980206.0	300.0	2,078,855.156	1.61

Spatial Reference (detailed in JSON format)

{

	"horizontal":"PROJCS[\"NAD83 \/ UTM zone 10N\",GEOGCS[\"NAD83\",DATUM[\"North_American_Datum_1983\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY[\"EPSG\",\"6269\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4269\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-123],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"26910\"]]",

	"wkt":"PROJCS[\"NAD83 \/ UTM zone 10N\",GEOGCS[\"NAD83\",DATUM[\"North_American_Datum_1983\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY[\"EPSG\",\"6269\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4269\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-123],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"26910\"]]",

	"isgeocentric":false,

	"prettywkt":"PROJCS[\"NAD83 \/ UTM zone 10N\",    GEOGCS[\"NAD83\",        DATUM[\"North_American_Datum_1983\",            SPHEROID[\"GRS 1980\",6378137,298.257222101,                AUTHORITY[\"EPSG\",\"7019\"]],            TOWGS84[0,0,0,0,0,0,0],            AUTHORITY[\"EPSG\",\"6269\"]],        PRIMEM[\"Greenwich\",0,            AUTHORITY[\"EPSG\",\"8901\"]],        UNIT[\"degree\",0.0174532925199433,            AUTHORITY[\"EPSG\",\"9122\"]],        AUTHORITY[\"EPSG\",\"4269\"]],    PROJECTION[\"Transverse_Mercator\"],    PARAMETER[\"latitude_of_origin\",0],    PARAMETER[\"central_meridian\",-123],    PARAMETER[\"scale_factor\",0.9996],    PARAMETER[\"false_easting\",500000],    PARAMETER[\"false_northing\",0],    UNIT[\"metre\",1,        AUTHORITY[\"EPSG\",\"9001\"]],    AXIS[\"Easting\",EAST],    AXIS[\"Northing\",NORTH],    AUTHORITY[\"EPSG\",\"26910\"]]",

	"proj4":"+proj=utm +zone=10 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs",

	"vertical":"",

	"prettycompoundwkt":"PROJCS[\"NAD83 \/ UTM zone 10N\",    GEOGCS[\"NAD83\",        DATUM[\"North_American_Datum_1983\",            SPHEROID[\"GRS 1980\",6378137,298.257222101,                AUTHORITY[\"EPSG\",\"7019\"]],            TOWGS84[0,0,0,0,0,0,0],            AUTHORITY[\"EPSG\",\"6269\"]],        PRIMEM[\"Greenwich\",0,            AUTHORITY[\"EPSG\",\"8901\"]],        UNIT[\"degree\",0.0174532925199433,            AUTHORITY[\"EPSG\",\"9122\"]],        AUTHORITY[\"EPSG\",\"4269\"]],    PROJECTION[\"Transverse_Mercator\"],    PARAMETER[\"latitude_of_origin\",0],    PARAMETER[\"central_meridian\",-123],    PARAMETER[\"scale_factor\",0.9996],    PARAMETER[\"false_easting\",500000],    PARAMETER[\"false_northing\",0],    UNIT[\"metre\",1,        AUTHORITY[\"EPSG\",\"9001\"]],    AXIS[\"Easting\",EAST],    AXIS[\"Northing\",NORTH],    AUTHORITY[\"EPSG\",\"26910\"]]",

	"units":{"horizontal":"metre","vertical":""},

	"isgeographic":false,

	"compoundwkt":"PROJCS[\"NAD83 \/ UTM zone 10N\",GEOGCS[\"NAD83\",DATUM[\"North_American_Datum_1983\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY[\"EPSG\",\"6269\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4269\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-123],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"26910\"]]"

}

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OpenTopography LAS Registration and Processing Report

Dataset: High Resolution Topography over Gabilan Mesa, CA 2003