A Portal to High-Resolution Topography Data and Tools

OpenTopography LAS Registration and Processing Report

Dataset: Everglades National Park
Short name: FL14_Cohen
opentopoID: OTLAS.072016.26917.1
Report generated on 2018-07-14 by OpenTopography Data Registration Service

Point Inspection Summary

Total Area of Tiles (m2)16,245,215.58
Sum of Area of Per-Tile as Determined by Scan (m2)16,245,215.58
Total Number of Bytes on Disk907,805,957
Total Number of Points as Reported in Headers257,190,270
Total Number of Points as Determined by Scan257,190,270
Mean Point Density as Reported in Headers (points/m2)15.83
Mean Point Density as Determined by Scan (points/m2)15.83
LAS Versions Processed 1.2 (8 files)
LAS File Types Processed LAZ (8 files)
LAS File Signatures Processed LASF (8 files)
File Breakdown by Source ID 0: 8 file(s)
File Breakdown by System ID LAStools (c) by rapidlasso GmbH: 8 file(s)
File Breakdown by Generating Software ID las2las (version 160329): 8 file(s)
Point Breakdown by Return (return: header / actual) 1: 182,508,769 / 182,508,769
2: 62,161,778 / 62,161,778
3: 11,574,097 / 11,574,097
4: 945,626 / 945,626
5: 0 / 0
Point Breakdown by Pulse (pulse: actual) 1: 120,330,869
2: 101,183,848
3: 31,891,901
4: 3,783,652
5: 0
Point Breakdown by Classification (class: name: points) 1: Unclassified: 179,156,509
2: Ground: 78,033,761
File Breakdown by Coordinate Reference System 8 files of type [Projected Coordinate System]
          Horizontal CRS: NAD83 / UTM zone 17N [metre]
          Vertical CRS: NAVD88 height [metre]

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

Minimum and Maximum Attributes (min, max)

Time248,077.46, 321,377.95
Return Number1, 4
Return Count1, 4
Flightline Edge0, 1
Intensity1, 5604
Scan Direction Flag0, 1
Scan Angle Rank-25, 25
Classification1, 2
Point Source ID1, 36
User Data0, 0
Minimum RGB Colors0, 0, 0
Maximum RGB Colors0, 0, 0
File Creation Day265, 286
File Creation Year2014, 2014
Bounding Box of Tiles(471787.73, 2865308.22), (509512.81, 2892124.78)
Z-Axis Values0.52, 581.11
Bounding Box of All Points(471787.73, 2865308.22), (509512.81, 2892124.78)
Z-Axis Values0.52, 581.11

Summary of Warnings

There are no warnings to report.

LAS File Content

#fileNamefcYearfcDayisCompressedbytessoftwareID
1ot_West_471500_2888000.laz2014265true98,531,940las2las (version 160329)
2ot_East_506000_2865500.laz2014265true90,834,208las2las (version 160329)
3ot_West_471500_2890500.laz2014265true115,839,391las2las (version 160329)
4ot_West_472000_2877000.laz2014265true78,528,106las2las (version 160329)
5ot_East_507500_2871500.laz2014265true143,269,745las2las (version 160329)
6ot_East_505500_2873000.laz2014286true122,693,552las2las (version 160329)
7ot_West_472000_2870500.laz2014265true137,019,746las2las (version 160329)
8ot_East_507000_2869500.laz2014265true121,089,269las2las (version 160329)

Header Information

#FileNamePointCountminXminYminZmaxXmaxYmaxZAreaDensity
1ot_West_471500_2888000.laz29,065,826471,919.542,888,446.952.59473,330.672,889,852.78319.521,983,808.8914.65
2ot_East_506000_2865500.laz28,005,460506,054.352,865,308.221.37507,483.592,866,712.08281.082,006,452.8713.96
3ot_West_471500_2890500.laz31,596,856471,787.732,890,730.142.75473,230.762,892,124.78581.112,012,507.3615.70
4ot_West_472000_2877000.laz26,071,682472,124.672,877,259.181.22473,549.412,878,679.67295.982,023,828.9212.88
5ot_East_507500_2871500.laz39,434,079507,980.552,871,865.441.65509,512.812,873,266.8928.322,147,385.7818.36
6ot_East_505500_2873000.laz33,249,361505,888.652,873,436.371.77507,364.742,874,799271.612,011,364.5216.53
7ot_West_472000_2870500.laz35,534,176472,181.252,870,879.750.52473,633.842,872,290.92325.272,049,851.4317.34
8ot_East_507000_2869500.laz34,232,830507,299.402,869,767.771.62508,724.652,871,178.0626.362,010,015.8217.03

Results from File Scan

#FileNamePointCountminXminYminZmaxXmaxYmaxZAreaDensity
1ot_West_471500_2888000.laz29,065,826471,919.542,888,446.952.59473,330.672,889,852.78319.521,983,808.8914.65
2ot_East_506000_2865500.laz28,005,460506,054.352,865,308.221.37507,483.592,866,712.08281.082,006,452.8713.96
3ot_West_471500_2890500.laz31,596,856471,787.732,890,730.142.75473,230.762,892,124.78581.112,012,507.3615.70
4ot_West_472000_2877000.laz26,071,682472,124.672,877,259.181.22473,549.412,878,679.67295.982,023,828.9212.88
5ot_East_507500_2871500.laz39,434,079507,980.552,871,865.441.65509,512.812,873,266.8928.322,147,385.7818.36
6ot_East_505500_2873000.laz33,249,361505,888.652,873,436.371.77507,364.742,874,799271.612,011,364.5216.53
7ot_West_472000_2870500.laz35,534,176472,181.252,870,879.750.52473,633.842,872,290.92325.272,049,851.4317.34
8ot_East_507000_2869500.laz34,232,830507,299.402,869,767.771.62508,724.652,871,178.0626.362,010,015.8217.03

File Breakdown by Spatial Reference (Detailed) 

8 files use the Projected Coordinate System 'NAD83 / UTM zone 17N', measured in 'metre'
These files use the vertical coordinate system 'NAVD88 height', measured in 'metre'
The full text of this spatial coordinate system is as follows:
<proj4>+proj=utm +zone=17 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +ge
oidgrids=g2012a_conus.gtx,g2012a_alaska.gtx,g2012a_guam.gtx,g2012a_hawaii.gtx,g2
012a_puertorico.gtx,g2012a_samoa.gtx +vunits=m +no_defs </proj4><pretty
wkt>PROJCS["NAD83 / UTM zone 17N",
     GEOGCS["NAD83",
         DATUM["North_American_Datum_1983",
             SPHEROID["GRS 1980",6378137,298.2572221010002,
                 AUTHORITY["EPSG","7019"]],
             TOWGS84[0,0,0,0,0,0,0],
             AUTHORITY["EPSG","6269"]],
         PRIMEM["Greenwich",0],
         UNIT["degree",0.0174532925199433],
         AUTHORITY["EPSG","4269"]],
     PROJECTION["Transverse_Mercator"],
     PARAMETER["latitude_of_origin",0],
     PARAMETER["central_meridian",-81],
     PARAMETER["scale_factor",0.9996],
     PARAMETER["false_easting",500000],
     PARAMETER["false_northing",0],
     UNIT["metre",1,
         AUTHORITY["EPSG","9001"]],
     AUTHORITY["EPSG","26917"]]</prettywkt><wkt>PROJCS["NAD83 / UTM 
zone 17N",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6
378137,298.2572221010002,AUTHORITY["EPSG","7019"]],TOWGS84[0,0,0,0,0,0,0],AUTHOR
ITY["EPSG","6269"]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433],AUTH
ORITY["EPSG","4269"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_o
rigin",0],PARAMETER["central_meridian",-81],PARAMETER["scale_factor",0.9996],PAR
AMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTH
ORITY["EPSG","9001"]],AUTHORITY["EPSG","26917"]]</wkt><compoundwkt>C
OMPD_CS["unknown",PROJCS["NAD83 / UTM zone 17N",GEOGCS["NAD83",DATUM["North_Amer
ican_Datum_1983",SPHEROID["GRS 1980",6378137,298.2572221010002,AUTHORITY["EPSG",
"7019"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0],
UNIT["degree",0.0174532925199433],AUTHORITY["EPSG","4269"]],PROJECTION["Transver
se_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-81
],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["
false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","26
917"]],VERT_CS["NAVD88 height",VERT_DATUM["North American Vertical Datum 1988",2
005,AUTHORITY["EPSG","5103"],EXTENSION["PROJ4_GRIDS","g2012a_conus.gtx,g2012a_al
aska.gtx,g2012a_guam.gtx,g2012a_hawaii.gtx,g2012a_puertorico.gtx,g2012a_samoa.gt
x"]],AXIS["Up",UP],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","57
03"]]]</compoundwkt><prettycompoundwkt>COMPD_CS["unknown",
     PROJCS["NAD83 / UTM zone 17N",
         GEOGCS["NAD83",
             DATUM["North_American_Datum_1983",
                 SPHEROID["GRS 1980",6378137,298.2572221010002,
                     AUTHORITY["EPSG","7019"]],
                 TOWGS84[0,0,0,0,0,0,0],
                 AUTHORITY["EPSG","6269"]],
             PRIMEM["Greenwich",0],
             UNIT["degree",0.0174532925199433],
             AUTHORITY["EPSG","4269"]],
         PROJECTION["Transverse_Mercator"],
         PARAMETER["latitude_of_origin",0],
         PARAMETER["central_meridian",-81],
         PARAMETER["scale_factor",0.9996],
         PARAMETER["false_easting",500000],
         PARAMETER["false_northing",0],
         UNIT["metre",1,
             AUTHORITY["EPSG","9001"]],
         AUTHORITY["EPSG","26917"]],
     VERT_CS["NAVD88 height",
         VERT_DATUM["North American Vertical Datum 1988",2005,
             AUTHORITY["EPSG","5103"],
             EXTENSION["PROJ4_GRIDS","g2012a_conus.gtx,g2012a_alaska.gtx,g2012a_
guam.gtx,g2012a_hawaii.gtx,g2012a_puertorico.gtx,g2012a_samoa.gtx"]],
         AXIS["Up",UP],
         UNIT["metre",1,
             AUTHORITY["EPSG","9001"]],
         AUTHORITY["EPSG","5703"]]]</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,31): "NAD83 / UTM zone 17N + VERT_CS"
       GeogCitationGeoKey (Ascii,6): "NAD83"
       GeogAngularUnitsGeoKey (Short,1): Angular_Degree
       GeogTOWGS84GeoKey (Double,3): 0                0                0        
        
       ProjectedCSTypeGeoKey (Short,1): PCS_NAD83_UTM_zone_17N
       ProjLinearUnitsGeoKey (Short,1): Linear_Meter
       VerticalCSTypeGeoKey (Short,1): Unknown-5703
       VerticalCitationGeoKey (Ascii,14): "NAVD88 height"
       VerticalDatumGeoKey (Short,1): Unknown-5103
       VerticalUnitsGeoKey (Short,1): Linear_Meter
       End_Of_Keys.
    End_Of_Geotiff.
 </gtiff>


End of Report