public static Vector3 gps_velocity_df(GPS GPS)
{
//return GPS velocity vector
var vx = GPS.Spd*cos(radians(GPS.GCrs));
var vy = GPS.Spd*sin(radians(GPS.GCrs));
return new Vector3(vx, vy, GPS.VZ);
}
public static PointPairList ProcessExpression(ref DFLog dflog, ref CollectionBuffer logdata, string expression)
{
PointPairList answer = new PointPairList();
//earth_accel_df(IMU2,ATT).x
if (expression.Contains("earth_accel_df"))
{
var matchs = Regex.Matches(expression, @"([A-z0-9_]+),([A-z0-9_]+)");
List<string> msglist = new List<string>();
foreach (Match match in matchs)
{
foreach (var item in match.Groups)
{
msglist.Add(item.ToString());
}
}
foreach (var item in logdata.GetEnumeratorType(msglist.ToArray()))
{
IMU imu = new IMU();
ATT att = new ATT();
if (item.msgtype == "ATT")
{
ATT.Roll = double.Parse(item.items[dflog.FindMessageOffset("ATT", "Roll")]);
ATT.Pitch = double.Parse(item.items[dflog.FindMessageOffset("ATT", "Pitch")]);
ATT.Yaw = double.Parse(item.items[dflog.FindMessageOffset("ATT", "Yaw")]);
}
else if (item.msgtype == "IMU")
{
IMU.AccX = double.Parse(item.items[dflog.FindMessageOffset("IMU", "AccX")]);
IMU.AccY = double.Parse(item.items[dflog.FindMessageOffset("IMU", "AccY")]);
IMU.AccZ = double.Parse(item.items[dflog.FindMessageOffset("IMU", "AccZ")]);
}
else if (item.msgtype == "IMU2")
{
IMU.AccX = double.Parse(item.items[dflog.FindMessageOffset("IMU2", "AccX")]);
IMU.AccY = double.Parse(item.items[dflog.FindMessageOffset("IMU2", "AccY")]);
IMU.AccZ = double.Parse(item.items[dflog.FindMessageOffset("IMU2", "AccZ")]);
}
if (expression.Contains(".x"))
{
answer.Add(item.lineno, earth_accel_df(imu, att).x);
}
if (expression.Contains(".y"))
{
answer.Add(item.lineno,earth_accel_df(imu, att).y);
}
if (expression.Contains(".z"))
{
answer.Add(item.lineno,earth_accel_df(imu, att).z);
}
}
} // delta(gps_velocity_df(GPS).x,'x',GPS.TimeUS)
else if (expression.Contains("delta(gps_velocity_df(GPS)"))
{
foreach (var item in logdata.GetEnumeratorType("GPS"))
{
var gps = new GPS();
if (item.msgtype == "GPS")
{
GPS.Spd = double.Parse(item.items[dflog.FindMessageOffset("GPS", "Spd")]);
GPS.GCrs = double.Parse(item.items[dflog.FindMessageOffset("GPS", "GCrs")]);
GPS.VZ = double.Parse(item.items[dflog.FindMessageOffset("GPS", "VZ")]);
}
if (expression.Contains(".x"))
{
answer.Add(item.lineno,delta(gps_velocity_df(gps).x, "x", item.timems * 1000));
}
else if (expression.Contains(".y"))
{
answer.Add(item.lineno,delta(gps_velocity_df(gps).y, "y", item.timems * 1000));
}
else if (expression.Contains(".z"))
{
answer.Add(item.lineno, delta(gps_velocity_df(gps).z, "z", item.timems * 1000) - 9.8);
}
}
}
else if (expression.StartsWith("degrees"))
{
var matchs = Regex.Matches(expression, @"([A-z0-9_]+)\.([A-z0-9_]+)");
if (matchs.Count > 0)
{
var type = matchs[0].Groups[1].Value.ToString();
var field = matchs[0].Groups[2].Value.ToString();
foreach (var item in logdata.GetEnumeratorType(type))
{
answer.Add(item.lineno, degrees(double.Parse(item.items[dflog.FindMessageOffset(type, field)])));
}
}
}
else if (expression.StartsWith("sqrt"))
{
// there are alot of assumptions made in this code
Dictionary<int,double> work = new Dictionary<int, double>();
List<KeyValuePair<string, string>> types = new EventList<KeyValuePair<string, string>>();
var matchs = Regex.Matches(expression, @"(([A-z0-9_]+)\.([A-z0-9_]+)\*\*2)");
if (matchs.Count > 0)
{
foreach (Match match in matchs)
{
var type = match.Groups[2].Value.ToString();
var field = match.Groups[3].Value.ToString();
types.Add(new KeyValuePair<string, string>(type,field));
}
List<string> keyarray = new List<string>();
types.ForEach(g => { keyarray.Add(g.Key); });
List<string> valuearray= new List<string>();
types.ForEach(g => { valuearray.Add(g.Value); });
foreach (var item in logdata.GetEnumeratorType(keyarray.ToArray()))
{
for (int a = 0; a < types.Count; a++)
{
var key = keyarray[a];
var value = valuearray[a];
var offset = dflog.FindMessageOffset(key, value);
if (offset == -1)
continue;
work[a] = double.Parse(item.items[offset]);
}
double workanswer = 0;
foreach (var value in work.Values)
{
workanswer += Math.Pow(value, 2);
}
answer.Add(item.lineno, Math.Sqrt(workanswer));
}
}
}
return answer;
}
public static PointPairList ProcessExpression(ref DFLog dflog, ref CollectionBuffer logdata, string expression)
{
PointPairList answer = new PointPairList();
//earth_accel_df(IMU2,ATT).x
if (expression.Contains("earth_accel_df"))
{
var matchs = Regex.Matches(expression, @"([A-z0-9_]+),([A-z0-9_]+)");
List <string> msglist = new List <string>();
foreach (Match match in matchs)
{
foreach (var item in match.Groups)
{
msglist.Add(item.ToString());
}
}
foreach (var item in logdata.GetEnumeratorType(msglist.ToArray()))
{
IMU imu = new IMU();
ATT att = new ATT();
if (item.msgtype == "ATT")
{
ATT.Roll = double.Parse(item.items[dflog.FindMessageOffset("ATT", "Roll")]);
ATT.Pitch = double.Parse(item.items[dflog.FindMessageOffset("ATT", "Pitch")]);
ATT.Yaw = double.Parse(item.items[dflog.FindMessageOffset("ATT", "Yaw")]);
}
else if (item.msgtype == "IMU")
{
IMU.AccX = double.Parse(item.items[dflog.FindMessageOffset("IMU", "AccX")]);
IMU.AccY = double.Parse(item.items[dflog.FindMessageOffset("IMU", "AccY")]);
IMU.AccZ = double.Parse(item.items[dflog.FindMessageOffset("IMU", "AccZ")]);
}
else if (item.msgtype == "IMU2")
{
IMU.AccX = double.Parse(item.items[dflog.FindMessageOffset("IMU2", "AccX")]);
IMU.AccY = double.Parse(item.items[dflog.FindMessageOffset("IMU2", "AccY")]);
IMU.AccZ = double.Parse(item.items[dflog.FindMessageOffset("IMU2", "AccZ")]);
}
if (expression.Contains(".x"))
{
answer.Add(item.lineno, earth_accel_df(imu, att).x);
}
if (expression.Contains(".y"))
{
answer.Add(item.lineno, earth_accel_df(imu, att).y);
}
if (expression.Contains(".z"))
{
answer.Add(item.lineno, earth_accel_df(imu, att).z);
}
}
} // delta(gps_velocity_df(GPS).x,'x',GPS.TimeUS)
else if (expression.Contains("delta(gps_velocity_df(GPS)"))
{
foreach (var item in logdata.GetEnumeratorType("GPS"))
{
var gps = new GPS();
if (item.msgtype == "GPS")
{
GPS.Spd = double.Parse(item.items[dflog.FindMessageOffset("GPS", "Spd")]);
GPS.GCrs = double.Parse(item.items[dflog.FindMessageOffset("GPS", "GCrs")]);
GPS.VZ = double.Parse(item.items[dflog.FindMessageOffset("GPS", "VZ")]);
}
if (expression.Contains(".x"))
{
answer.Add(item.lineno, delta(gps_velocity_df(gps).x, "x", item.timems * 1000));
}
else if (expression.Contains(".y"))
{
answer.Add(item.lineno, delta(gps_velocity_df(gps).y, "y", item.timems * 1000));
}
else if (expression.Contains(".z"))
{
answer.Add(item.lineno, delta(gps_velocity_df(gps).z, "z", item.timems * 1000) - 9.8);
}
}
}
else if (expression.Contains("delta(gps_velocity_df(GPS2)"))
{
foreach (var item in logdata.GetEnumeratorType("GPS2"))
{
var gps = new GPS();
if (item.msgtype == "GPS2")
{
GPS.Spd = double.Parse(item.items[dflog.FindMessageOffset("GPS2", "Spd")]);
GPS.GCrs = double.Parse(item.items[dflog.FindMessageOffset("GPS2", "GCrs")]);
GPS.VZ = double.Parse(item.items[dflog.FindMessageOffset("GPS2", "VZ")]);
}
if (expression.Contains(".x"))
{
answer.Add(item.lineno, delta(gps_velocity_df(gps).x, "x", item.timems * 1000));
}
else if (expression.Contains(".y"))
{
answer.Add(item.lineno, delta(gps_velocity_df(gps).y, "y", item.timems * 1000));
}
else if (expression.Contains(".z"))
{
answer.Add(item.lineno, delta(gps_velocity_df(gps).z, "z", item.timems * 1000) - 9.8);
}
}
}
else if (expression.StartsWith("degrees"))
{
var matchs = Regex.Matches(expression, @"([A-z0-9_]+)\.([A-z0-9_]+)");
if (matchs.Count > 0)
{
var type = matchs[0].Groups[1].Value.ToString();
var field = matchs[0].Groups[2].Value.ToString();
foreach (var item in logdata.GetEnumeratorType(type))
{
answer.Add(item.lineno, degrees(double.Parse(item.items[dflog.FindMessageOffset(type, field)])));
}
}
}
else if (expression.StartsWith("sqrt"))
{
// there are alot of assumptions made in this code
Dictionary <int, double> work = new Dictionary <int, double>();
List <KeyValuePair <string, string> > types = new EventList <KeyValuePair <string, string> >();
var matchs = Regex.Matches(expression, @"(([A-z0-9_]+)\.([A-z0-9_]+)\*\*2)");
if (matchs.Count > 0)
{
foreach (Match match in matchs)
{
var type = match.Groups[2].Value.ToString();
var field = match.Groups[3].Value.ToString();
types.Add(new KeyValuePair <string, string>(type, field));
}
List <string> keyarray = new List <string>();
types.ForEach(g => { keyarray.Add(g.Key); });
List <string> valuearray = new List <string>();
types.ForEach(g => { valuearray.Add(g.Value); });
foreach (var item in logdata.GetEnumeratorType(keyarray.ToArray()))
{
for (int a = 0; a < types.Count; a++)
{
var key = keyarray[a];
var value = valuearray[a];
var offset = dflog.FindMessageOffset(key, value);
if (offset == -1)
{
continue;
}
work[a] = double.Parse(item.items[offset]);
}
double workanswer = 0;
foreach (var value in work.Values)
{
workanswer += Math.Pow(value, 2);
}
answer.Add(item.lineno, Math.Sqrt(workanswer));
}
}
}
else if (expression.Contains("-")) // ATT.DesRoll-ATT.Roll
{
var matchs = Regex.Matches(expression, @"([A-z0-9_]+)\.([A-z0-9_]+)-([A-z0-9_]+)\.([A-z0-9_]+)");
if (matchs.Count > 0)
{
var type = matchs[0].Groups[1].Value.ToString();
var field = matchs[0].Groups[2].Value.ToString();
var type2 = matchs[0].Groups[3].Value.ToString();
var field2 = matchs[0].Groups[4].Value.ToString();
foreach (var item in logdata.GetEnumeratorType(new[] { type, type2 }))
{
if (type == type2)
{
answer.Add(item.lineno, double.Parse(item.items[dflog.FindMessageOffset(type, field)]) - double.Parse(item.items[dflog.FindMessageOffset(type2, field2)]));
}
}
}
}
return(answer);
}