OpenTopography LAS Registration and Processing Report

Dataset: Lidar Survey of Caspar Creek, CA 2003

Short name: CA03_Caspar
opentopoID: OTLAS.052025.26910.1
Report generated on 2025-06-06 by OpenTopography Data Registration Service

Point Inspection Summary

Total Area of Tiles (m2)77,565,768
Sum of Area of Convex Hulls as Determined by Scan (m2)85,662,312.52
Total Number of Bytes on Disk11,587,759
Total Number of Points as Reported in Headers3,379,491
Total Number of Points as Determined by Scan3,379,491
Mean Point Density as Reported in Headers (points/m2)0.04
Mean Point Density as Determined by Scan (points/m2)0.04
File Breakdown by LAS versions1.2 (1 file)
File Breakdown by LAS file typesLAZ (1 file)
File Breakdown by Source IDs0 (1 file)
File Breakdown by System IDsLAStools (c) by rapidlasso GmbH (1 file)
File Breakdown by Generating Software IDstxt2las64 (version 250207) (1 file)
File Breakdown by Point Data Record formats (Data Format ID)0 (1 file)
File Breakdown by Global Encodings0 (1 file)
Point Breakdown by Returns (return: count)1: 3,379,491
2: 0
3: 0
4: 0
5: 0
Point Breakdown by Classifications (class: name: points)
Class 2 - Ground3,379,491
File Breakdown by Coordinate Reference Systems1 file has Horizontal Coordinate System 
PROJCS["NAD83 / UTM zone 10N",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],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"]]

1 file has Vertical Coordinate System 
VERT_CS["unknown",VERT_DATUM["unknown",2005],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]

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 Timeno
RGBno

Minimum and Maximum Attributes (min, max)

XYZ Positions[433612.2, 4351156.7, -16.5], [440500.0, 4362417.4, 310.3]
Intensity0, 0
Return Number1, 1
Number of Returns1, 1
Scan Direction Flag0, 0
Edge of Flight Line0, 0
Classification2, 2
Scan Angle Rank0.0, 0.0
User Data0, 0
Point Source ID0, 0
GPS TimeN/A
RGB ColorsN/A
File Creation Day111, 111
File Creation Year2018, 2018

Summary of Warnings

There is no warning to report.

LAS File Content

# File Name Creation Year Creation DoY Is Compressed Bytes Software ID
1CA03_Caspar_ground.laz2018111true11,587,759txt2las64 (version 250207)

Header Information

# File Name Point Count minX minY minZ maxX maxY maxZ Area Density
1CA03_Caspar_ground.laz3,379,491433612.04351156.0-16.0440500.04362417.0310.085,662,312.520.04

Results from File Scan

# File Name Point Count minX minY minZ maxX maxY maxZ Area Density
1CA03_Caspar_ground.laz3,379,491433612.04351156.0-16.0440500.04362417.0310.085,662,312.520.04

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\"]],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\"]],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\",\n    GEOGCS[\"NAD83\",\n        DATUM[\"North_American_Datum_1983\",\n            SPHEROID[\"GRS 1980\",6378137,298.257222101,\n                AUTHORITY[\"EPSG\",\"7019\"]],\n            AUTHORITY[\"EPSG\",\"6269\"]],\n        PRIMEM[\"Greenwich\",0,\n            AUTHORITY[\"EPSG\",\"8901\"]],\n        UNIT[\"degree\",0.0174532925199433,\n            AUTHORITY[\"EPSG\",\"9122\"]],\n        AUTHORITY[\"EPSG\",\"4269\"]],\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\",\"26910\"]]",

	"proj4":"+proj=utm +zone=10 +datum=NAD83 +units=m +vunits=m +no_defs",

	"vertical":"VERT_CS[\"unknown\",VERT_DATUM[\"unknown\",2005],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Up\",UP]]",

	"prettycompoundwkt":"COMPD_CS[\"NAD83 \/ UTM zone 10N + unknown\",\n    PROJCS[\"NAD83 \/ UTM zone 10N\",\n        GEOGCS[\"NAD83\",\n            DATUM[\"North_American_Datum_1983\",\n                SPHEROID[\"GRS 1980\",6378137,298.257222101,\n                    AUTHORITY[\"EPSG\",\"7019\"]],\n                AUTHORITY[\"EPSG\",\"6269\"]],\n            PRIMEM[\"Greenwich\",0,\n                AUTHORITY[\"EPSG\",\"8901\"]],\n            UNIT[\"degree\",0.0174532925199433,\n                AUTHORITY[\"EPSG\",\"9122\"]],\n            AUTHORITY[\"EPSG\",\"4269\"]],\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\",\"26910\"]],\n    VERT_CS[\"unknown\",\n        VERT_DATUM[\"unknown\",2005],\n        UNIT[\"metre\",1,\n            AUTHORITY[\"EPSG\",\"9001\"]],\n        AXIS[\"Up\",UP]]]",

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

	"isgeographic":false,

	"compoundwkt":"COMPD_CS[\"NAD83 \/ UTM zone 10N + unknown\",PROJCS[\"NAD83 \/ UTM zone 10N\",GEOGCS[\"NAD83\",DATUM[\"North_American_Datum_1983\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],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\"]],VERT_CS[\"unknown\",VERT_DATUM[\"unknown\",2005],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Up\",UP]]]"

}