OpenTopography LAS Registration and Processing Report

Dataset: Lidar Survey over San Andreas Fault, CA 2017

Short name: CA17_Brooks
opentopoID: OTLAS.122024.6339.1
Report generated on 2025-04-19 by OpenTopography Data Registration Service

Point Inspection Summary

Total Area of Tiles (m2)969,030
Sum of Area of Convex Hulls as Determined by Scan (m2)743,232.699
Total Number of Bytes on Disk68,811,655
Total Number of Points as Reported in Headers19,703,119
Total Number of Points as Determined by Scan19,703,119
Mean Point Density as Reported in Headers (points/m2)20.33
Mean Point Density as Determined by Scan (points/m2)26.51
File Breakdown by LAS versions1.4 (1 file)
File Breakdown by LAS file typesLAZ (1 file)
File Breakdown by Source IDs0 (1 file)
File Breakdown by System IDs[NULL] (1 file)
File Breakdown by Generating Software IDsTerraScan (1 file)
File Breakdown by Point Data Record formats (Data Format ID)6 (1 file)
File Breakdown by Global Encodings17 (1 file)
Point Breakdown by Returns (return: count)1: 18,873,347
2: 628,597
3: 174,045
4: 25,128
5: 1,928
Point Breakdown by Classifications (class: name: points)
Class 1 - Unclassified10,033,581
Class 2 - Ground9,661,795
Class 7 - Low Point (low noise)7,743
File Breakdown by Coordinate Reference Systems1 file has Horizontal Coordinate System 
PROJCS["WGS 84 / UTM zone 10N",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]],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","32610"]]

1 file has Vertical Coordinate System 
VERT_CS["NAVD88 height",VERT_DATUM["North American Vertical Datum 1988",2005,AUTHORITY["EPSG","5103"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5703"]]

Included Attributes

X positionsyes
Y positionsyes
Z positionsyes
Intensityyes
Return Numberyes
Number of Returnsyes
Scan Direction Flagyes
Edge of Flight Lineyes
Classificationyes
Scan Angle Rankyes
User Datayes
Point Source IDyes
GPS Timeyes
RGBno

Minimum and Maximum Attributes (min, max)

XYZ Positions[701000.0, 4006000.0, 471.09], [701970.09, 4006999.99, 987.4]
Intensity0, 65535
Return Number1, 7
Number of Returns1, 7
Scan Direction Flag0, 0
Edge of Flight Line0, 1
Classification1, 7
Scan Angle Rank-40.9980011, 30.0
User Data0, 0
Point Source ID1, 4
GPS Time1.874648697E8, 1.874683837E8
RGB ColorsN/A
File Creation Day300, 300
File Creation Year2017, 2017

Summary of Warnings

There is no warning to report.

LAS File Content

# File Name Creation Year Creation DoY Is Compressed Bytes Software ID
1701000_4006000.laz2017300true68,811,655TerraScan

Header Information

# File Name Point Count minX minY minZ maxX maxY maxZ Area Density
1701000_4006000.laz19,703,119701000.04006000.0471.0701970.04006999.0987.0743,232.69926.51

Results from File Scan

# File Name Point Count minX minY minZ maxX maxY maxZ Area Density
1701000_4006000.laz19,703,119701000.04006000.0471.0701970.04006999.0987.0743,232.69926.51

Spatial Reference (detailed in JSON format) 

{

	"horizontal":"PROJCS[\"WGS 84 \/ UTM zone 10N\",GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4326\"]],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\",\"32610\"]]",

	"wkt":"PROJCS[\"WGS 84 \/ UTM zone 10N\",GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4326\"]],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\",\"32610\"]]",

	"isgeocentric":false,

	"prettywkt":"PROJCS[\"WGS 84 \/ UTM zone 10N\",\n    GEOGCS[\"WGS 84\",\n        DATUM[\"WGS_1984\",\n            SPHEROID[\"WGS 84\",6378137,298.257223563,\n                AUTHORITY[\"EPSG\",\"7030\"]],\n            AUTHORITY[\"EPSG\",\"6326\"]],\n        PRIMEM[\"Greenwich\",0,\n            AUTHORITY[\"EPSG\",\"8901\"]],\n        UNIT[\"degree\",0.0174532925199433,\n            AUTHORITY[\"EPSG\",\"9122\"]],\n        AUTHORITY[\"EPSG\",\"4326\"]],\n    PROJECTION[\"Transverse_Mercator\"],\n    PARAMETER[\"latitude_of_origin\",0],\n    PARAMETER[\"central_meridian\",-123],\n    PARAMETER[\"scale_factor\",0.9996],\n    PARAMETER[\"false_easting\",500000],\n    PARAMETER[\"false_northing\",0],\n    UNIT[\"metre\",1,\n        AUTHORITY[\"EPSG\",\"9001\"]],\n    AXIS[\"Easting\",EAST],\n    AXIS[\"Northing\",NORTH],\n    AUTHORITY[\"EPSG\",\"32610\"]]",

	"proj4":"+proj=utm +zone=10 +datum=WGS84 +units=m +vunits=m +no_defs",

	"vertical":"VERT_CS[\"NAVD88 height\",VERT_DATUM[\"North American Vertical Datum 1988\",2005,AUTHORITY[\"EPSG\",\"5103\"]],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Gravity-related height\",UP],AUTHORITY[\"EPSG\",\"5703\"]]",

	"prettycompoundwkt":"COMPD_CS[\"WGS 84 \/ UTM zone 10N + NAVD88 height\",\n    PROJCS[\"WGS 84 \/ UTM zone 10N\",\n        GEOGCS[\"WGS 84\",\n            DATUM[\"WGS_1984\",\n                SPHEROID[\"WGS 84\",6378137,298.257223563,\n                    AUTHORITY[\"EPSG\",\"7030\"]],\n                AUTHORITY[\"EPSG\",\"6326\"]],\n            PRIMEM[\"Greenwich\",0,\n                AUTHORITY[\"EPSG\",\"8901\"]],\n            UNIT[\"degree\",0.0174532925199433,\n                AUTHORITY[\"EPSG\",\"9122\"]],\n            AUTHORITY[\"EPSG\",\"4326\"]],\n        PROJECTION[\"Transverse_Mercator\"],\n        PARAMETER[\"latitude_of_origin\",0],\n        PARAMETER[\"central_meridian\",-123],\n        PARAMETER[\"scale_factor\",0.9996],\n        PARAMETER[\"false_easting\",500000],\n        PARAMETER[\"false_northing\",0],\n        UNIT[\"metre\",1,\n            AUTHORITY[\"EPSG\",\"9001\"]],\n        AXIS[\"Easting\",EAST],\n        AXIS[\"Northing\",NORTH],\n        AUTHORITY[\"EPSG\",\"32610\"]],\n    VERT_CS[\"NAVD88 height\",\n        VERT_DATUM[\"North American Vertical Datum 1988\",2005,\n            AUTHORITY[\"EPSG\",\"5103\"]],\n        UNIT[\"metre\",1,\n            AUTHORITY[\"EPSG\",\"9001\"]],\n        AXIS[\"Gravity-related height\",UP],\n        AUTHORITY[\"EPSG\",\"5703\"]]]",

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

	"isgeographic":false,

	"compoundwkt":"COMPD_CS[\"WGS 84 \/ UTM zone 10N + NAVD88 height\",PROJCS[\"WGS 84 \/ UTM zone 10N\",GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4326\"]],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\",\"32610\"]],VERT_CS[\"NAVD88 height\",VERT_DATUM[\"North American Vertical Datum 1988\",2005,AUTHORITY[\"EPSG\",\"5103\"]],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Gravity-related height\",UP],AUTHORITY[\"EPSG\",\"5703\"]]]"

}