OpenTopography LAS Registration and Processing Report

Dataset: Quantitative Characterization of Dune-Dune Interactions, CA 2022

Short name: CA22_Marvin
opentopoID: OTLAS.062023.6340.1
Report generated on 2025-12-15 by OpenTopography Data Registration Service

Point Inspection Summary

Total Area of Tiles (m2)39,275,322
Sum of Area of Convex Hulls as Determined by Scan (m2)38,920,586.548
Total Number of Bytes on Disk3,950,192,183
Total Number of Points as Reported in Headers734,172,261
Total Number of Points as Determined by Scan734,172,261
Mean Point Density as Reported in Headers (points/m2)18.69
Mean Point Density as Determined by Scan (points/m2)18.86
File Breakdown by LAS versions1.4 (51 files)
File Breakdown by LAS file typesLAZ (51 files)
File Breakdown by Source IDs0 (44 files)
1 (2 files)
13 (5 files)
File Breakdown by System IDsRIEGL_VUX-240 (51 files)
File Breakdown by Generating Software IDsTerraScan (51 files)
File Breakdown by Point Data Record formats (Data Format ID)6 (51 files)
File Breakdown by Global Encodings[NULL] (51 files)
Point Breakdown by Returns (return: count)1: 732,894,810
2: 1,240,032
3: 36,979
4: 440
5: 0
Point Breakdown by Classifications (class: name: points)
Class 1 - Unclassified22,369,748
Class 2 - Ground711,798,733
Class 7 - Low Point (low noise)1,630
Class 18 - High Noise2,150
File Breakdown by Coordinate Reference Systems51 files have Horizontal Coordinate System 
PROJCS["NAD83(2011) / UTM zone 11N",GEOGCS["NAD83(2011)",DATUM["NAD83_National_Spatial_Reference_System_2011",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1116"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6318"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-117],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","6340"]]

51 files have UNKNOWN Vertical Coordinate System

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[707116.22, 3753254.53, 203.09], [713659.7, 3760418.43, 419.31]
Intensity16143, 65535
Return Number1, 4
Number of Returns1, 4
Scan Direction Flag0, 0
Edge of Flight Line0, 1
Classification1, 18
Scan Angle Rank-31.96199989, 31.96800041
User Data0, 0
Point Source ID1, 15
GPS Time3.494846843E8, 3.494887533E8
RGB ColorsN/A
File Creation Day325, 325
File Creation Year2022, 2022

Summary of Warnings

There is no warning to report.

LAS File Content

# File Name Creation Year Creation DoY Is Compressed Bytes Software ID
1707000_3753000.laz2022325true165,805TerraScan
2707000_3754000.laz2022325true4,031,310TerraScan
3707000_3755000.laz2022325true8,181,617TerraScan
4707000_3756000.laz2022325true9,857,986TerraScan
5707000_3757000.laz2022325true11,249,758TerraScan
6707000_3758000.laz2022325true14,224,961TerraScan
7707000_3759000.laz2022325true42,628,419TerraScan
8708000_3753000.laz2022325true73,147,751TerraScan
9708000_3754000.laz2022325true97,755,254TerraScan
10708000_3755000.laz2022325true90,921,999TerraScan
11708000_3756000.laz2022325true94,273,718TerraScan
12708000_3757000.laz2022325true95,541,237TerraScan
13708000_3758000.laz2022325true96,318,866TerraScan
14708000_3759000.laz2022325true122,009,242TerraScan
15709000_3753000.laz2022325true68,198,322TerraScan
16709000_3754000.laz2022325true106,089,579TerraScan
17709000_3755000.laz2022325true107,714,258TerraScan
18709000_3756000.laz2022325true105,425,751TerraScan
19709000_3757000.laz2022325true101,528,815TerraScan
20709000_3758000.laz2022325true103,864,131TerraScan
21709000_3759000.laz2022325true125,558,568TerraScan
22710000_3753000.laz2022325true72,746,976TerraScan
23710000_3754000.laz2022325true113,332,379TerraScan
24710000_3755000.laz2022325true110,675,462TerraScan
25710000_3756000.laz2022325true101,244,243TerraScan
26710000_3757000.laz2022325true105,730,433TerraScan
27710000_3758000.laz2022325true111,839,395TerraScan
28710000_3759000.laz2022325true123,686,035TerraScan
29711000_3753000.laz2022325true72,833,442TerraScan
30711000_3754000.laz2022325true104,513,820TerraScan
31711000_3755000.laz2022325true104,642,326TerraScan
32711000_3756000.laz2022325true103,827,911TerraScan
33711000_3757000.laz2022325true105,506,538TerraScan
34711000_3758000.laz2022325true111,054,375TerraScan
35711000_3759000.laz2022325true116,325,680TerraScan
36712000_3753000.laz2022325true72,564,608TerraScan
37712000_3754000.laz2022325true99,813,219TerraScan
38712000_3755000.laz2022325true103,396,503TerraScan
39712000_3756000.laz2022325true108,439,369TerraScan
40712000_3757000.laz2022325true104,134,053TerraScan
41712000_3758000.laz2022325true115,813,245TerraScan
42712000_3759000.laz2022325true125,418,269TerraScan
43712000_3760000.laz2022325true10,223,310TerraScan
44713000_3753000.laz2022325true35,562,918TerraScan
45713000_3754000.laz2022325true48,183,327TerraScan
46713000_3755000.laz2022325true43,863,945TerraScan
47713000_3756000.laz2022325true41,284,394TerraScan
48713000_3757000.laz2022325true33,013,531TerraScan
49713000_3758000.laz2022325true34,384,544TerraScan
50713000_3759000.laz2022325true36,538,545TerraScan
51713000_3760000.laz2022325true912,041TerraScan

Header Information

# File Name Point Count minX minY minZ maxX maxY maxZ Area Density
1707000_3753000.laz26,609707985.03753431.0324.0707999.03753999.0361.01,904.39813.97
2707000_3754000.laz718,626707864.03754000.0239.0707999.03754999.0356.098,497.9947.30
3707000_3755000.laz1,474,888707820.03755000.0237.0707999.03755999.0247.0171,670.4588.59
4707000_3756000.laz1,806,770707802.03756000.0230.0707999.03756999.0240.0200,965.1188.99
5707000_3757000.laz2,067,095707767.03757000.0215.0707999.03757999.0237.0228,753.3279.04
6707000_3758000.laz2,575,434707603.03758000.0208.0707999.03758999.0226.0272,214.7389.46
7707000_3759000.laz7,712,877707116.03759000.0203.0707999.03759871.0219.0535,388.06514.41
8708000_3753000.laz12,834,196708000.03753401.0272.0708999.03753999.0419.0579,710.38322.14
9708000_3754000.laz17,655,528708000.03754000.0241.0708999.03754999.0397.01,023,037.79217.26
10708000_3755000.laz16,914,225708000.03755000.0231.0708999.03755999.0261.01,013,209.98216.69
11708000_3756000.laz17,626,600708000.03756000.0226.0708999.03756999.0250.01,019,128.68217.30
12708000_3757000.laz17,734,057708000.03757000.0217.0708999.03757999.0242.01,012,391.64917.52
13708000_3758000.laz17,873,240708000.03758000.0209.0708999.03758999.0235.01,020,905.02617.51
14708000_3759000.laz22,536,360708000.03759000.0203.0708999.03759954.0217.0930,084.64124.23
15709000_3753000.laz12,394,215709000.03753275.0273.0709999.03753999.0359.0650,295.55519.06
16709000_3754000.laz19,433,213709000.03754000.0248.0709999.03754999.0348.01,012,699.52519.19
17709000_3755000.laz19,981,012709000.03755000.0238.0709999.03755999.0268.01,009,868.29219.79
18709000_3756000.laz19,644,224709000.03756000.0230.0709999.03756999.0261.01,018,271.06919.29
19709000_3757000.laz18,875,704709000.03757000.0222.0709999.03757999.0250.01,009,761.78918.69
20709000_3758000.laz19,456,342709000.03758000.0213.0709999.03758999.0236.01,026,817.05418.95
21709000_3759000.laz23,402,065709000.03759000.0205.0709999.03759974.0224.0948,427.66724.67
22710000_3753000.laz13,525,114710000.03753254.0261.0710999.03753999.0302.0714,789.54818.92
23710000_3754000.laz21,013,319710000.03754000.0253.0710999.03754999.0288.01,021,048.46220.58
24710000_3755000.laz20,556,406710000.03755000.0252.0710999.03755999.0281.01,016,434.2720.22
25710000_3756000.laz18,937,182710000.03756000.0239.0710999.03756999.0263.01,017,026.06618.62
26710000_3757000.laz19,733,646710000.03757000.0229.0710999.03757999.0251.01,014,573.05419.45
27710000_3758000.laz20,837,661710000.03758000.0212.0710999.03758999.0239.01,015,018.21820.53
28710000_3759000.laz23,079,170710000.03759000.0205.0710999.03759954.0223.0926,660.74324.91
29711000_3753000.laz13,481,875711000.03753262.0268.0711999.03753999.0298.0699,104.75519.28
30711000_3754000.laz19,652,515711000.03754000.0264.0711999.03754999.0290.01,016,624.68219.33
31711000_3755000.laz19,648,052711000.03755000.0251.0711999.03755999.0282.01,016,053.91419.34
32711000_3756000.laz19,553,424711000.03756000.0237.0711999.03756999.0267.01,025,721.0919.06
33711000_3757000.laz19,697,898711000.03757000.0230.0711999.03757999.0250.01,015,080.34819.41
34711000_3758000.laz20,707,448711000.03758000.0221.0711999.03758999.0246.01,020,385.96420.29
35711000_3759000.laz21,529,602711000.03759000.0212.0711999.03759940.0234.0919,305.92923.42
36712000_3753000.laz13,282,492712000.03753292.0277.0712999.03753999.0311.0664,188.31920.00
37712000_3754000.laz18,700,973712000.03754000.0268.0712999.03754999.0304.01,022,918.95718.28
38712000_3755000.laz19,471,642712000.03755000.0255.0712999.03755999.0292.01,011,630.24219.25
39712000_3756000.laz20,380,329712000.03756000.0243.0712999.03756999.0273.01,016,769.1920.04
40712000_3757000.laz19,676,583712000.03757000.0236.0712999.03757999.0266.01,017,623.1319.34
41712000_3758000.laz21,392,833712000.03758000.0228.0712999.03758999.0253.01,015,809.53421.06
42712000_3759000.laz23,341,193712000.03759000.0217.0712999.03759999.0238.0996,283.69123.43
43712000_3760000.laz1,927,092712316.03760000.0212.0712999.03760408.0232.0216,142.0628.92
44713000_3753000.laz6,632,507713000.03753331.0291.0713659.03753999.0335.0428,519.36815.48
45713000_3754000.laz8,993,195713000.03754000.0274.0713656.03754999.0319.0647,539.00213.89
46713000_3755000.laz8,328,374713000.03755000.0261.0713610.03755999.0290.0603,414.41113.80
47713000_3756000.laz7,734,129713000.03756000.0255.0713562.03756999.0277.0557,838.22613.86
48713000_3757000.laz6,259,524713000.03757000.0248.0713526.03757999.0266.0519,908.98312.04
49713000_3758000.laz6,398,290713000.03758000.0236.0713486.03758999.0258.0483,539.5513.23
50713000_3759000.laz6,783,378713000.03759000.0223.0713499.03759999.0241.0467,512.38714.51
51713000_3760000.laz173,135713000.03760000.0220.0713077.03760418.0226.029,119.2525.95

Results from File Scan

# File Name Point Count minX minY minZ maxX maxY maxZ Area Density
1707000_3753000.laz26,609707985.03753431.0324.0707999.03753999.0361.01,904.39813.97
2707000_3754000.laz718,626707864.03754000.0239.0707999.03754999.0356.098,497.9947.30
3707000_3755000.laz1,474,888707820.03755000.0237.0707999.03755999.0247.0171,670.4588.59
4707000_3756000.laz1,806,770707802.03756000.0230.0707999.03756999.0240.0200,965.1188.99
5707000_3757000.laz2,067,095707767.03757000.0215.0707999.03757999.0237.0228,753.3279.04
6707000_3758000.laz2,575,434707603.03758000.0208.0707999.03758999.0226.0272,214.7389.46
7707000_3759000.laz7,712,877707116.03759000.0203.0707999.03759871.0219.0535,388.06514.41
8708000_3753000.laz12,834,196708000.03753401.0272.0708999.03753999.0419.0579,710.38322.14
9708000_3754000.laz17,655,528708000.03754000.0241.0708999.03754999.0397.01,023,037.79217.26
10708000_3755000.laz16,914,225708000.03755000.0231.0708999.03755999.0261.01,013,209.98216.69
11708000_3756000.laz17,626,600708000.03756000.0226.0708999.03756999.0250.01,019,128.68217.30
12708000_3757000.laz17,734,057708000.03757000.0217.0708999.03757999.0242.01,012,391.64917.52
13708000_3758000.laz17,873,240708000.03758000.0209.0708999.03758999.0235.01,020,905.02617.51
14708000_3759000.laz22,536,360708000.03759000.0203.0708999.03759954.0217.0930,084.64124.23
15709000_3753000.laz12,394,215709000.03753275.0273.0709999.03753999.0359.0650,295.55519.06
16709000_3754000.laz19,433,213709000.03754000.0248.0709999.03754999.0348.01,012,699.52519.19
17709000_3755000.laz19,981,012709000.03755000.0238.0709999.03755999.0268.01,009,868.29219.79
18709000_3756000.laz19,644,224709000.03756000.0230.0709999.03756999.0261.01,018,271.06919.29
19709000_3757000.laz18,875,704709000.03757000.0222.0709999.03757999.0250.01,009,761.78918.69
20709000_3758000.laz19,456,342709000.03758000.0213.0709999.03758999.0236.01,026,817.05418.95
21709000_3759000.laz23,402,065709000.03759000.0205.0709999.03759974.0224.0948,427.66724.67
22710000_3753000.laz13,525,114710000.03753254.0261.0710999.03753999.0302.0714,789.54818.92
23710000_3754000.laz21,013,319710000.03754000.0253.0710999.03754999.0288.01,021,048.46220.58
24710000_3755000.laz20,556,406710000.03755000.0252.0710999.03755999.0281.01,016,434.2720.22
25710000_3756000.laz18,937,182710000.03756000.0239.0710999.03756999.0263.01,017,026.06618.62
26710000_3757000.laz19,733,646710000.03757000.0229.0710999.03757999.0251.01,014,573.05419.45
27710000_3758000.laz20,837,661710000.03758000.0212.0710999.03758999.0239.01,015,018.21820.53
28710000_3759000.laz23,079,170710000.03759000.0205.0710999.03759954.0223.0926,660.74324.91
29711000_3753000.laz13,481,875711000.03753262.0268.0711999.03753999.0298.0699,104.75519.28
30711000_3754000.laz19,652,515711000.03754000.0264.0711999.03754999.0290.01,016,624.68219.33
31711000_3755000.laz19,648,052711000.03755000.0251.0711999.03755999.0282.01,016,053.91419.34
32711000_3756000.laz19,553,424711000.03756000.0237.0711999.03756999.0267.01,025,721.0919.06
33711000_3757000.laz19,697,898711000.03757000.0230.0711999.03757999.0250.01,015,080.34819.41
34711000_3758000.laz20,707,448711000.03758000.0221.0711999.03758999.0246.01,020,385.96420.29
35711000_3759000.laz21,529,602711000.03759000.0212.0711999.03759940.0234.0919,305.92923.42
36712000_3753000.laz13,282,492712000.03753292.0277.0712999.03753999.0311.0664,188.31920.00
37712000_3754000.laz18,700,973712000.03754000.0268.0712999.03754999.0304.01,022,918.95718.28
38712000_3755000.laz19,471,642712000.03755000.0255.0712999.03755999.0292.01,011,630.24219.25
39712000_3756000.laz20,380,329712000.03756000.0243.0712999.03756999.0273.01,016,769.1920.04
40712000_3757000.laz19,676,583712000.03757000.0236.0712999.03757999.0266.01,017,623.1319.34
41712000_3758000.laz21,392,833712000.03758000.0228.0712999.03758999.0253.01,015,809.53421.06
42712000_3759000.laz23,341,193712000.03759000.0217.0712999.03759999.0238.0996,283.69123.43
43712000_3760000.laz1,927,092712316.03760000.0212.0712999.03760408.0232.0216,142.0628.92
44713000_3753000.laz6,632,507713000.03753331.0291.0713659.03753999.0335.0428,519.36815.48
45713000_3754000.laz8,993,195713000.03754000.0274.0713656.03754999.0319.0647,539.00213.89
46713000_3755000.laz8,328,374713000.03755000.0261.0713610.03755999.0290.0603,414.41113.80
47713000_3756000.laz7,734,129713000.03756000.0255.0713562.03756999.0277.0557,838.22613.86
48713000_3757000.laz6,259,524713000.03757000.0248.0713526.03757999.0266.0519,908.98312.04
49713000_3758000.laz6,398,290713000.03758000.0236.0713486.03758999.0258.0483,539.5513.23
50713000_3759000.laz6,783,378713000.03759000.0223.0713499.03759999.0241.0467,512.38714.51
51713000_3760000.laz173,135713000.03760000.0220.0713077.03760418.0226.029,119.2525.95

Spatial Reference (detailed in JSON format) 

{

	"horizontal":"PROJCS[\"NAD83(2011) \/ UTM zone 11N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-117],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\",\"6340\"]]",

	"wkt":"PROJCS[\"NAD83(2011) \/ UTM zone 11N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-117],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\",\"6340\"]]",

	"isgeocentric":false,

	"prettywkt":"PROJCS[\"NAD83(2011) \/ UTM zone 11N\",\n    GEOGCS[\"NAD83(2011)\",\n        DATUM[\"NAD83_National_Spatial_Reference_System_2011\",\n            SPHEROID[\"GRS 1980\",6378137,298.257222101,\n                AUTHORITY[\"EPSG\",\"7019\"]],\n            AUTHORITY[\"EPSG\",\"1116\"]],\n        PRIMEM[\"Greenwich\",0,\n            AUTHORITY[\"EPSG\",\"8901\"]],\n        UNIT[\"degree\",0.0174532925199433,\n            AUTHORITY[\"EPSG\",\"9122\"]],\n        AUTHORITY[\"EPSG\",\"6318\"]],\n    PROJECTION[\"Transverse_Mercator\"],\n    PARAMETER[\"latitude_of_origin\",0],\n    PARAMETER[\"central_meridian\",-117],\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\",\"6340\"]]",

	"proj4":"+proj=utm +zone=11 +ellps=GRS80 +units=m +no_defs",

	"vertical":"",

	"prettycompoundwkt":"PROJCS[\"NAD83(2011) \/ UTM zone 11N\",\n    GEOGCS[\"NAD83(2011)\",\n        DATUM[\"NAD83_National_Spatial_Reference_System_2011\",\n            SPHEROID[\"GRS 1980\",6378137,298.257222101,\n                AUTHORITY[\"EPSG\",\"7019\"]],\n            AUTHORITY[\"EPSG\",\"1116\"]],\n        PRIMEM[\"Greenwich\",0,\n            AUTHORITY[\"EPSG\",\"8901\"]],\n        UNIT[\"degree\",0.0174532925199433,\n            AUTHORITY[\"EPSG\",\"9122\"]],\n        AUTHORITY[\"EPSG\",\"6318\"]],\n    PROJECTION[\"Transverse_Mercator\"],\n    PARAMETER[\"latitude_of_origin\",0],\n    PARAMETER[\"central_meridian\",-117],\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\",\"6340\"]]",

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

	"isgeographic":false,

	"compoundwkt":"PROJCS[\"NAD83(2011) \/ UTM zone 11N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-117],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\",\"6340\"]]"

}