SimpleScene.proto

syntax = "proto3";

package ipos.models;

message IposConfigWrapper { // wrapper-message for configuration-topic
  repeated IposFrameConfig frames = 1;
  repeated IposObject objects = 2; // an object must be either in this list
  repeated IposObjectConfig objectConfigs = 3; // or in this list, not in both
  repeated POI pois = 4;
  repeated RefSystem refSystems = 5;
  repeated IposMonitoringRequest monitoringRequests = 6;
}

message IposObjectConfig {
  string agentId = 1; // unique for each object, but there may be multiple positioning sensors for that object
  string sensorId = 2; // unique (each sensor localizes a single object)
  string agentType = 3; // CeTI will send BOX,BIN,ZONE,ROBOT,HUMAN,OTHER
  string sensorType = 4; // BLUETOOTH, UWB, NFC, RFID, IMU...
}
// note: IposObjectConfigs are used to register sensors. Beacon-positions are POIs and should be sent to sensor after registration. Bluetooth/UWB sensor need to know a reference system id. All Beacon-position sent to the Bluetooth/UWB sensor should have the same reference system id

message IposPositionEvent {
  repeated IposObject object = 1;
  string type = 2; // deprecated may be ExitNotification or EntryNotification
  // repeated IposZoneDescriptor zoneDescriptors = 2; // contains information about all zones that this position belongs to
}

message IposZoneDescriptor {
  string zoneId = 1;
  string type = 2; // may be ExitNotification or EntryNotification
}

message IposObject {
  string id = 1; // unique for each object, but there may be multiple sensors
  string sensorId = 2; //unique
  string type = 3; // Applications may send BOX,BIN,ZONE,ROBOT,HUMAN,OTHER
  string sensorType = 4; // BLUETOOTH, UWB, NFC, RFID, IMU
  IposPosition position = 5;
  IposSimpleOrientation orientation = 6;
  string lastPosUpdate = 7; // https://en.wikipedia.org/wiki/ISO_8601
}

message IposFrameConfig {
  string id = 1; // unique for every frame, used for relative coordinates
  repeated IposSpace space = 2; // cube defining the extension, might be (0,0,0)
}

message RefSystem {
  string id = 1;
  IposPosition position = 2; // position of origin of RefSystem. May be relative or absolute
  IposSimpleOrientation orientation = 3;
}

message IposMonitoringRequest {
  string frameId = 1; // deprecated
  // repeated string frameIds = 1;
  float delta = 2; // min. change in position to trigger a position update, setting delta and updateFrequency to -1 cancels the (existing) monitoring task
  float updateFrequency = 3; // defines how many times per second a PositionUpdateEvent is sent
  repeated string type = 4; // object-types to be observed; CeTI will send BOX,BIN,ZONE,ROBOT,HUMAN,OTHER
  repeated string id = 5; // object-ids to be observed
  string fusionStrategy = 6; // e.g., "accuracy" for accuracy-optimized monitoring if multiple positions sensors per agent
  bool exit_notification = 7; // IPos will notify receiver when object has left the frame
  repeated string properties = 8; // properties that shall be monitored: position or id or type
  string monitoringTaskId = 9; // unique for each monitoringRequest. IPosFW uses this info for configuring the communication protocol, e.g., for selecting a specific topic for MQTT-communication; a monitoringRequest with the same monitoringTaskId like a previous request updates this request
  string requestorProtocol = 10; // communication protocol, e.g., "mqtt"; Assumption: requestor = receiver
}

message IposMonitoringResponse {
  string monitoringTaskId = 1;
  string status = 2; // success- or error-Message
}

message IposPosition {
  string refSystemId = 1; // e.g., "WGS84" if absolute position, "ROOT" for testcases or if specific absolute position is actually irrelevant
  IposPoint3D point = 2;
  float accuracy = 3; // object is with 95% probability within x metres of this point (gaussian distribution)
}

message IposPoint3D {
  float x = 1; // pos in x direction in m
  float y = 2; // pos in y direction in m
  float z = 3; // pos in z direction in m (up)
}

message POI { // point-of-interest
  string id = 1; // e.g. "NFC_TAG_1"
  string description = 2; // e.g., "tag"
  map<string, string> data = 3; // e.g., "tag-id" -> "b315332984"; "type" -> "nfc"
  IposPosition position = 4;
  IposSimpleOrientation orientation = 5;
}

message IposSpace {
  IposPosition position = 1; // centre of the "space"-cube
  IposSimpleOrientation orientation = 2;
  float x = 3; // size in x direction in m
  float y = 4; // size in y direction in m
  float z = 5; // size in z direction in m (height)
}

message IposSimpleOrientation {
  float x = 1; // quaternion notation
  float y = 2; // if the quaternion is (0,0,0,0)
  float z = 3; // there is no orientation
  float w = 4; // available
}