Foxglove Technologies · Schema
foxglove.LocationFixes
A group of LocationFix messages
RoboticsObservabilityVisualizationData PlatformPhysical AIAutonomyFleet ManagementDeveloper ToolsMCAPROS
Properties
| Name | Type | Description |
|---|---|---|
| fixes | array | An array of location fixes |
JSON Schema
{
"title": "foxglove.LocationFixes",
"description": "A group of LocationFix messages",
"$comment": "Generated by https://github.com/foxglove/foxglove-sdk",
"type": "object",
"properties": {
"fixes": {
"type": "array",
"items": {
"title": "foxglove.LocationFix",
"description": "A navigation satellite fix for any Global Navigation Satellite System",
"type": "object",
"properties": {
"timestamp": {
"type": "object",
"title": "time",
"properties": {
"sec": {
"type": "integer",
"minimum": 0
},
"nsec": {
"type": "integer",
"minimum": 0,
"maximum": 999999999
}
},
"description": "Timestamp of the message"
},
"frame_id": {
"type": "string",
"description": "Frame for the sensor. Latitude and longitude readings are at the origin of the frame."
},
"latitude": {
"type": "number",
"description": "Latitude in degrees"
},
"longitude": {
"type": "number",
"description": "Longitude in degrees"
},
"altitude": {
"type": "number",
"description": "Altitude in meters"
},
"position_covariance": {
"type": "array",
"items": {
"type": "number"
},
"minItems": 9,
"maxItems": 9,
"description": "Position covariance (m^2) defined relative to a tangential plane through the reported position. The components are East, North, and Up (ENU), in row-major order."
},
"position_covariance_type": {
"title": "foxglove.PositionCovarianceType",
"description": "If `position_covariance` is available, `position_covariance_type` must be set to indicate the type of covariance.",
"oneOf": [
{
"title": "UNKNOWN",
"const": 0,
"description": "Unknown position covariance type"
},
{
"title": "APPROXIMATED",
"const": 1,
"description": "Position covariance is approximated"
},
{
"title": "DIAGONAL_KNOWN",
"const": 2,
"description": "Position covariance is per-axis, so put it along the diagonal"
},
{
"title": "KNOWN",
"const": 3,
"description": "Position covariance of the fix is known"
}
]
},
"heading": {
"type": "number",
"description": "Heading (yaw angle), in radians, measured clockwise from north"
},
"velocity": {
"title": "foxglove.Vector3",
"description": "Velocity in local East-North-Up (ENU) frame in m/s",
"type": "object",
"properties": {
"x": {
"type": "number",
"description": "x component"
},
"y": {
"type": "number",
"description": "y component"
},
"z": {
"type": "number",
"description": "z component"
}
},
"required": [
"x",
"y",
"z"
]
},
"color": {
"title": "foxglove.Color",
"description": "Color used to visualize the location",
"type": "object",
"properties": {
"r": {
"type": "number",
"description": "Red value between 0 and 1"
},
"g": {
"type": "number",
"description": "Green value between 0 and 1"
},
"b": {
"type": "number",
"description": "Blue value between 0 and 1"
},
"a": {
"type": "number",
"description": "Alpha value between 0 and 1"
}
},
"required": [
"r",
"g",
"b",
"a"
]
},
"metadata": {
"type": "array",
"items": {
"title": "foxglove.KeyValuePair",
"description": "A key with its associated value",
"type": "object",
"properties": {
"key": {
"type": "string",
"description": "Key"
},
"value": {
"type": "string",
"description": "Value"
}
},
"required": [
"key",
"value"
]
},
"description": "Additional user-provided metadata associated with the location fix. Keys must be unique."
}
},
"required": [
"timestamp",
"frame_id",
"latitude",
"longitude",
"altitude",
"position_covariance",
"position_covariance_type"
]
},
"description": "An array of location fixes"
}
},
"required": [
"fixes"
]
}