public void Save(BinaryWriter bstream)
{
/*
* Format:
* - gid
* - speed
* - trajectories
* - timestamps
*/
// Write the gesture name
bstream.Write(Gid);
// Write the gesture speed
bstream.Write(Speed);
// Write the trajectory
SampleUtils.WriteTrajectory(bstream, trajectory);
// Write timestamps now...
// Write header.
bstream.Write((int)timestamps.Count);
// Write each timestamp
for (int ii = 0; ii < timestamps.Count; ii++)
{
bstream.Write(timestamps[ii]);
}
}
public static RecordingData Load(
BinaryReader bstream,
bool removeDuplicates,
HashSet <int> removedDataIndices = null,
DeviceType deviceType = default,
int external_PID = -1,
bool isSession = false)
{
// Read gid
string gid = bstream.ReadString();
// Read speed
int speed = bstream.ReadInt32();
HashSet <int> removedIndices = new HashSet <int>();
// Read the trajectory
List <Vector> trajectory = SampleUtils.ReadTrajectory(
bstream,
removeDuplicates,
deviceType: deviceType,
external_PID: external_PID,
isSession: isSession,
removedIndices: removedIndices);
// Read the timestamps
int tcnt = bstream.ReadInt32();
List <float> timestamps = new List <float>();
for (int i = 0; i < tcnt; i++)
{
float value = bstream.ReadSingle();
// Discard it if the corresponding trajectory was also removed
if (!removedIndices.Contains(i))
{
timestamps.Add(value);
}
}
// Adjust the frame time offsets
timestamps = timestamps.Select(item => item - timestamps[0]).ToList();
if (removedDataIndices != null)
{
foreach (var index in removedIndices)
{
removedDataIndices.Add(index);
}
}
return(new RecordingData(
trajectory,
timestamps,
speed,
gid));
}
/**
*
*/
public static Sample LoadSampleFile(
string path,
int subject_id,
int gesture_id,
DeviceType deviceType = default,
bool isSession = false)
{
Sample ret = new Sample(subject_id, gesture_id, 0);
List <float> timeS;
List <Vector> trajectory = SampleUtils.LoadSample(
path,
out timeS,
deviceType: deviceType,
isSession: isSession);
ret.AddTrajectory(trajectory);
ret.AddTimeStamps(timeS);
return(ret);
}