Sample CSB file formats

Crowdsourced Bathymetry File Formats for Submission
to the IHO Data Center for Digital Bathymetry
GeoJSON Format - Required Fields Only
Format Version 3.0
Last Update: April 7, 2022
{
"type": "FeatureCollection",
"crs": {
"horizontal":
{
"type": "EPSG",
"value": 4326
},
"vertical": "Transducer"
},
"properties": {
"providerContactPoint": {
"orgName": "Example Cruises Inc",
"email": "support@example.com",
"logger": "Rose Point ECS",
"loggerVersion": "1.0"
},
"convention": "GeoJSON CSB 3.0",
"dataLicense": "CC0 1.0",
"platform": {
"uniqueID": "EXAMPLE-f8c469f8-df38-11e5-b86d-9a79f06e9478",
"correctors": {
"positionReferencePoint": "GNSS"
}
}
},
"features": [
{
"type": "Feature",
"geometry": {
"type": "Point",
"coordinates": [
-119.37249833123325,
72.09587373217158
]
},
"properties": {
"depth": 108.9,

"time": "2015-08-06T22:00:00.000Z"
}
}
]
}

XYZ Format - Required Fields Only
Format Version 3.0
Last Update: April 7, 2022
Metadata for inclusion in post to DCDB API:
{
"crs": {
"horizontal": {
"type": "EPSG",
"value": 4326
},
"vertical": "Transducer"
},
"providerContactPoint": {
"orgName": "Example Cruises Inc",
"email": "support@example.com",
"logger": "Rose Point ECS",
"loggerVersion": "1.0"
},
"convention": "XYZ CSB 3.0",
"dataLicense": "CC0 1.0",
"platform": {
"uniqueID": "EXAMPLE-f8c469f8-df38-11e5-b86d-9a79f06e9478",
"correctors": {
"positionReferencePoint": "GNSS"
}
}
}
Contents of file (LON,LAT,DEPTH,TIME):
LON,LAT,DEPTH,TIME
-119.372498, 72.095873, 108.9, 2015-08-06T22:00:00.000Z
Alternative file format (LAT,LON,DEPTH,TIME):
LAT,LON,DEPTH,TIME
72.095873, -119.372498, 108.9, 2015-08-06T22:00:00.000Z

GeoJSON Format - Includes Suggested Metadata
Format Version 3.0
Last Update: April 7, 2022
{
"type": "FeatureCollection",
"crs": {
"horizontal": {
"type": "EPSG",
"value": 8252
},
"vertical": "Transducer"
},
"properties": {
"providerContactPoint": {
"orgName": "Example Cruises Inc",
"email": "support@example.com",
"logger": "Rose Point ECS",
"loggerVersion": "1.0"
},
"convention": "GeoJSON CSB 3.0",
"dataLicense": "CC0 1.0",
"platform": {
"uniqueID": "EXAMPLE-f8c469f8-df38-11e5-b86d-9a79f06e9478",
"type": "Ship",
"name": "USCGC Healy",
"length": 128,
"IDType": "IMO",
"IDNumber": 9083380,
"sensors": [
{
"type": "Sounder",
"make": "Kongsberg Maritime",
"model": "EM122",
"position": [-18.404, -1.909, 8.919],
"draft": 8.321,
"frequency": 12000,
"transducer": "EM122-CentreBeam"
},
{
"type": "GNSS",
"make": "Kongsberg Maritime",
"model": "Seapath 330+",
"position": [0, 0, 0]
},
{

"type": "MotionSensor",
"make": "Kongsberg Maritime",
"model": "Seapath 330+",
"position": [0, 0, 0]
}
],
"correctors": {
"positionReferencePoint": "GNSS",
"soundSpeedDocumented": true,
"positionOffsetsDocumented": true,
"dataProcessed": true,
"motionOffsetsApplied": true,
"draftApplied": true
}
},
"algorithms": [
{
"name": "deduplicate",
"Params": ""
}
]
},
"lineage": [
{
"type": "CRSTransformation",
"timestamp": "2021-11-22T16:10:09.346821",
"detail": {
"origin": "EPSG:4326",
"destination": "EPSG:8252",
"method": "GeoTrans"
}
},
{
"type": "TimeInterpolation",
"timestamp": "2021-11-22T16:10:09.346821",
"detail": {
"source": "SystemTime | ZDA | RMC | ...",
"method": "Midway | ElapsedTime | DataSource | NTP | PTP | ...",
"comment": "Millisecond elapsed time on first character of strings used for interpolation"
}
},
{
"type": "algorithm",
"timestamp": "2021-11-22T16:10:09.346821",
"detail": {
"name": "deduplicate",
"parameters": "",
"comment": "Selected 11281 non-duplicate depths from 35744 in input."

}
},
{
"type": "GNSSProcessing",
"timestamp": "2021-11-22T16:10:09.346821",
"detail": {
"algorithm": "RTKLib | CSRS-PPP | ...",
"version": "1.2.0",
"comment": "Base stations from New Hampshire CORS at NHUN
https://www.unh.edu/facilities/gis-cors"
}
},
{
"type": "SoundSpeedCorrection",
"timestamp": "2021-11-22T16:10:09.346821",
"detail": {
"Source": "Model | Profile | GeometricMean | Fixed | CarterTable | MatthewTable | WOA13 |
...",
"algorithm": "CIDCO-Ocean | Raytraced | ...",
"version": "1.1.0",
"comment": "Solutions from 25 profiles, 15 used, 10 duplicate."
}
},
{
"type": "VerticalReduction",
"timestamp": "2021-11-22T16:10:09.346821",
"detail": {
"reference": "ChartDatum | Ellipsoid",
"method": "ObservedWL | PredictedWL | ModelledWL | EllipsoidReduction | ...",
"model": "CANNORTH2016v1HyVSEP_NAD83v6_CD | StationReference | VDatum | VORF | ...",
"comment": "Water levels from NOAA gauge
https://tidesandcurrents.noaa.gov/stationhome.html?id=8419870"
}
},
{
"type": "CRS",
"timestamp": "2021-11-22T16:10:09.346821",
"detail": {
"type": "EPSG",
"value": 8252,
"comment": "Transformed with GeoTrans v 3.23"
}
}
],
"features": [
{
"type": "Feature",
"geometry": {

"type": "Point",
"coordinates": [
-119.372498,
72.095873
]
},
"properties": {
"depth": 108.9,
"time": "2015-08-06T22:00:00.000Z"
}
}
]
}

XYZ Format - Includes Suggested Metadata
Format Version 3.0
Last Update: April 7, 2022
Metadata for inclusion in post to DCDB API:
{
"crs": {
"horizontal": {
"type": "EPSG",
"value": 8252
},
"vertical": "Transducer"
},
"providerContactPoint": {
"orgName": "Example Cruises Inc",
"email": "support@example.com",
"logger": "Rose Point ECS",
"loggerVersion": "1.0"
},
"convention": "XYZ CSB 3.0",
"dataLicense": "CC0 1.0",
"platform": {
"uniqueID": "EXAMPLE-f8c469f8-df38-11e5-b86d-9a79f06e9478",
"type": "Ship",
"name": "USCGC Healy",
"length": 128,
"IDType": "IMO",
"IDNumber": 9083380,

"sensors": [
{
"type": "Sounder",
"make": "Kongsberg Maritime",
"model": "EM122",
"position": [-18.404, -1.909, 8.919],
"draft": 8.321,
"frequency": 12000,
"transducer": "EM122-CentreBeam"
},
{
"type": "GNSS",
"make": "Kongsberg Maritime",
"model": "Seapath 330+",
"position": [0, 0, 0]
},
{
"type": "MotionSensor",
"make": "Kongsberg Maritime",
"model": "Seapath 330+",
"position": [0, 0, 0]
}
],
"correctors": {
"positionReferencePoint": "GNSS",
"soundSpeedDocumented": true,
"positionOffsetsDocumented": true,
"dataProcessed": true,
"motionOffsetsApplied": true,
"draftApplied": true
}
},
"algorithms": [
{
"name": "deduplicate",
"params": ""
}
],
"lineage": [
{
"type": "CRSTransformation",
"timestamp": "2021-11-22T16:10:09.346821",

"detail": {
"origin": "EPSG:4326",
"destination": "EPSG:8252",
"method": "GeoTrans"
}
},
{
"type": "TimeInterpolation",
"timestamp": "2021-11-22T16:10:09.346821",
"detail": {
"source": "SystemTime | ZDA | RMC | ...",
"method": "Midway | ElapsedTime | DataSource | NTP | PTP | ...",
"comment": "Millisecond elapsed time on first character of strings used for interpolation"
}
},
{
"type": "algorithm",
"timestamp": "2021-11-22T16:10:09.346821",
"detail": {
"name": "deduplicate",
"parameters": "",
"comment": "Selected 11281 non-duplicate depths from 35744 in input."
}
},
{
"type": "GNSSProcessing",
"timestamp": "2021-11-22T16:10:09.346821",
"detail": {
"algorithm": "RTKLib | CSRS-PPP | ...",
"version": "1.2.0",
"comment": "Base stations from New Hampshire CORS at NHUN
https://www.unh.edu/facilities/gis-cors"
}
},
{
"type": "SoundSpeedCorrection",
"timestamp": "2021-11-22T16:10:09.346821",
"detail": {
"source": "Model | Profile | GeometricMean | Fixed | CarterTable | MatthewTable | WOA13 |
...",
"algorithm": "CIDCO-Ocean | Raytraced | ...",
"version": "1.1.0",

"comment": "Solutions from 25 profiles, 15 used, 10 duplicate."
}
},
{
"type": "VerticalReduction",
"timestamp": "2021-11-22T16:10:09.346821",
"detail": {
"reference": "ChartDatum | Ellipsoid",
"method": "ObservedWL | PredictedWL | ModelledWL | EllipsoidReduction | ...",
"model": "CANNORTH2016v1HyVSEP_NAD83v6_CD | StationReference | VDatum | VORF | ...",
"comment": "Water levels from NOAA gauge
https://tidesandcurrents.noaa.gov/stationhome.html?id=8419870"
}
},
{
"type": "CRS",
"timestamp": "2021-11-22T16:10:09.346821",
"detail": {
"type": "EPSG",
"value": 8252,
"comment": "Transformed with GeoTrans v 3.23"
}
}
]
}
Contents of file (LON,LAT,DEPTH,TIME):
LON,LAT,DEPTH,TIME
-119.372498, 72.095873, 108.9, 2015-08-06T22:00:00.000Z
Alternative file format (LAT,LON,DEPTH,TIME):
LAT,LON,DEPTH,TIME
72.095873, -119.372498, 108.9, 2015-08-06T22:00:00.000Z