public void Simple()
{
var vector = new VectorN(2);
Assert.AreEqual(2, vector.DimensionCount);
}
/// <summary>
/// Draws the chart.
/// </summary>
public void DrawChart()
{
// Read fresh data from database.
string readPlotableSql = string.Format(@"
SELECT X, Y, Z1, Z2, Z3, Z4 FROM ai_plotable_unnormalized_data
WHERE DataId = {0} AND OrdinalId = {1};"
, _dataId, _ordinalId);
List <VectorN> vectors = new List <VectorN>(10000); // initialized to 10,000 units. i.e. 100X100
Form1.ReadSql((MySqlDataReader msdr, MySqlCommand cmd) =>
{
while (msdr.Read())
{
VectorN tempVector = new VectorN(
new double[] {
Convert.ToDouble(msdr["X"]),
Convert.ToDouble(msdr["Z" + _zNumber]),
Convert.ToDouble(msdr["Y"])
});
vectors.Add(tempVector);
}
}, readPlotableSql);
// Take a list of vectors, and plot them!
ChartArea chartArea1 = new ChartArea();
List <Series> seriesSet = new List <Series>(100);
//this.chart1 = new Chart();
((System.ComponentModel.ISupportInitialize)(this.chart1)).BeginInit();
this.SuspendLayout();
chart1.ChartAreas["Default"].Area3DStyle.Enable3D = true;
chart1.ChartAreas["Default"].Area3DStyle.IsRightAngleAxes = false;
chart1.ChartAreas["Default"].Area3DStyle.Inclination = 40;
chart1.ChartAreas["Default"].Area3DStyle.Rotation = 20;
chart1.ChartAreas["Default"].Area3DStyle.WallWidth = 10;
chart1.ChartAreas["Default"].Area3DStyle.LightStyle = LightStyle.Realistic;
chart1.ChartAreas["Default"].Area3DStyle.PointDepth = 100;
//chartArea1.Name = "Default";
//this.chart1.ChartAreas.Add(chartArea1);
//this.chart1.Location = new System.Drawing.Point(12, 12);
//this.chart1.Name = "chart1";
int size = 100;
double min = 100000;
double max = 0;
// adds 100 series!
for (int i = 0; i < size; i++)
{
seriesSet.Add(new Series());
seriesSet[i].ChartArea = "Default";
seriesSet[i].Name = "" + i;
for (int j = 0; j < size; j++)
{
if (vectors.Count > j + i * size)
{
double normalized = vectors[j + i * size][1];
seriesSet[i].Points.AddXY(j, normalized);
if (normalized > max)
{
max = normalized;
}
if (normalized < min)
{
min = normalized;
}
}
}
for (int j = 0; j < size; j++)
{
if (vectors.Count > j + i * size)
{
double normalized = seriesSet[i].Points[j].YValues[0];
double diff = max - min;
// total is 255, we need to find scaling factor.
double redRange = ((normalized - min) / diff) * 200; //red range!
double greenRange = ((normalized - min) / diff) * 100; //red range!
seriesSet[i].Points[j].Color = Color.FromArgb((int)redRange, 0, 0);
}
}
seriesSet[i].Legend = "Legend1";
seriesSet[i].ChartType = SeriesChartType.Line;
//seriesSet[i].Color = Color.FromArgb(100-i, i, 0);
// Set point labels
//seriesSet[i].IsValueShownAsLabel = true;
this.chart1.Series.Add(seriesSet[i]);
}
// this.chart1.Size = new System.Drawing.Size(1319, 720);
this.chart1.TabIndex = 0;
((System.ComponentModel.ISupportInitialize)(this.chart1)).EndInit();
this.ResumeLayout(false);
this.Refresh();
}
/// <summary>
/// Measure the body at the new point in time, update its velocity,
/// and then calculate its reach again.
/// </summary>
/// <param name="time">Time.</param>
/// <param name="newVelocity">New velocity.</param>
public void SetVelocity(float time, VectorN newVelocity)
{
Remeasure(time);
velocity = newVelocity;
RecalculateReach();
}
/// <summary>
/// Measure the body at the new point in time, update its acceleration,
/// and then calculate its reach again.
/// </summary>
/// <param name="time">Time.</param>
/// <param name="newAcceleration">New acceleration.</param>
public void SetAcceleration(float time, VectorN newAcceleration)
{
Remeasure(time);
acceleration = newAcceleration;
RecalculateReach();
}
/// <summary>
/// Multiplication technique to be used. Perceptron should use simple
/// sclar vector multiplication while winnow and kernel methods should
/// use variants
/// </summary>
/// <param name="v1">First vector</param>
/// <param name="v2">Second vector</param>
/// <returns></returns>
protected virtual double Mult(VectorN v1, VectorN v2)
{
return v1 * v2;
}
/// <summary>
/// Generates the new chart. Is used to query data and plot the 3D chart.
/// </summary>
/// <param name="axisX">The axis x.</param>
/// <param name="axisY">The axis y.</param>
public void GenerateNewChart(int axisX, int axisY)
{
// First get the new max Id from the datatable.
int maxDataId = 0;
int maxOrdinalId = 0;
double toleranceLevel = 0;
this.chart1.Series.Clear();
string readCmd = string.Format(@"
SELECT DataId, ToleranceLevel, AxisX, AxisY, OrdinalId
FROM ai_plotset WHERE AxisX = {0} AND AxisY = {1}
ORDER BY DataId DESC, OrdinalId DESC LIMIT 1;
" , axisX, axisY);
ReadSql((MySqlDataReader msdr, MySqlCommand cmd) =>
{
if (msdr.Read() && !Convert.IsDBNull(msdr["DataId"]))
{
maxDataId = Convert.ToInt32(msdr["DataId"]);
toleranceLevel = Convert.ToDouble(msdr["ToleranceLevel"]);
maxOrdinalId = Convert.ToInt32(msdr["OrdinalId"]);
}
}, readCmd);
_dataId = maxDataId;
_ordinalId = maxOrdinalId;
_axisX = axisX;
_axisY = axisY;
// Read fresh data from database.
string readPlotableSql = @"SELECT X,Y,Z FROM ai_plotable_data WHERE DataId = " + maxDataId + " AND OrdinalId = " + maxOrdinalId + ";";
List <VectorN> vectors = new List <VectorN>(10000); // initialized to 10,000 units. i.e. 100X100
ReadSql((MySqlDataReader msdr, MySqlCommand cmd) =>
{
while (msdr.Read())
{
VectorN tempVector = new VectorN(
new double[] {
Convert.ToDouble(msdr["X"]),
Convert.ToDouble(msdr["Y"]),
Convert.ToDouble(msdr["Z"])
});
vectors.Add(tempVector);
}
}, readPlotableSql);
// Take a list of vectors, and plot them!
ChartArea chartArea1 = new ChartArea();
List <Series> seriesSet = new List <Series>(100);
//this.chart1 = new Chart();
((System.ComponentModel.ISupportInitialize)(this.chart1)).BeginInit();
this.SuspendLayout();
chart1.ChartAreas["Default"].Area3DStyle.Enable3D = true;
chart1.ChartAreas["Default"].Area3DStyle.IsRightAngleAxes = false;
chart1.ChartAreas["Default"].Area3DStyle.Inclination = 40;
chart1.ChartAreas["Default"].Area3DStyle.Rotation = 20;
chart1.ChartAreas["Default"].Area3DStyle.WallWidth = 10;
chart1.ChartAreas["Default"].Area3DStyle.LightStyle = LightStyle.Realistic;
chart1.ChartAreas["Default"].Area3DStyle.PointDepth = 100;
//chartArea1.Name = "Default";
//this.chart1.ChartAreas.Add(chartArea1);
//this.chart1.Location = new System.Drawing.Point(12, 12);
//this.chart1.Name = "chart1";
int size = 100;
double min = 100000;
double max = 0;
// adds 100 series!
for (int i = 0; i < size; i++)
{
seriesSet.Add(new Series());
seriesSet[i].ChartArea = "Default";
seriesSet[i].Name = "" + i;
for (int j = 0; j < size; j++)
{
if (vectors.Count > j + i * size)
{
double normalized = vectors[j + i * size][1];
seriesSet[i].Points.AddXY(j, normalized);
if (normalized > max)
{
max = normalized;
}
if (normalized < min)
{
min = normalized;
}
}
}
for (int j = 0; j < size; j++)
{
if (vectors.Count > j + i * size)
{
double normalized = seriesSet[i].Points[j].YValues[0];
double diff = max - min;
// total is 255, we need to find scaling factor.
double redRange = ((normalized - min) / diff) * 50; //red range!
double greenRange = ((normalized - min) / diff) * 100; //red range!
seriesSet[i].Points[j].Color = Color.FromArgb((int)redRange, (int)greenRange, 0);
}
}
seriesSet[i].Legend = "Legend1";
seriesSet[i].ChartType = SeriesChartType.Line;
//seriesSet[i].Color = Color.FromArgb(100-i, i, 0);
// Set point labels
//seriesSet[i].IsValueShownAsLabel = true;
this.chart1.Series.Add(seriesSet[i]);
}
// this.chart1.Size = new System.Drawing.Size(1319, 720);
this.chart1.TabIndex = 0;
((System.ComponentModel.ISupportInitialize)(this.chart1)).EndInit();
this.ResumeLayout(false);
this.Refresh();
}
public void ExceptionZero()
{
Assert.Throws <ArgumentOutOfRangeException>(() => VectorN.GetZeroVector(0));
}
public void ExceptionLeftNull()
{
var vector1 = new VectorN(2);
IVector <double> vector = null / vector1;
}
public void ExceptionDifferentDimensions()
{
var vector2D1 = new Vector2D();
VectorBase <double> vectorBase = new VectorN(4);
var matrix = vector2D1 * vectorBase;
}
public IHttpActionResult SearchForProjections([FromBody] dynamic Parameters)
{
int RVisitorID = Parameters.RVisitorID;
float Latitude = Parameters.Latitude;
float Longitude = Parameters.Longitude;
bool GPSAquired = Parameters.GPSAquired;
string searchQuery = Parameters.SearchQuery;
var CinemaDistances = new Dictionary <int, float>();
var CinemaIDs = new List <int>();
int CinemaID = 0;
if (GPSAquired)
{
foreach (var cinema in principal.CinemaCoordinates.Where(x => !x.Cinemas.IsDeleted).ToList())
{
var vectorTarget = new VectorN(new float[] { (float)cinema.Latitude, (float)cinema.Longitude });
var vectorMe = new VectorN(new float[] { Latitude, Longitude });
CinemaDistances.Add(cinema.CinemaID, VectorN.Subtraction(vectorMe, vectorTarget).GetLength());
}
CinemaID = CinemaDistances.OrderBy(x => x.Value).Select(y => y.Key).FirstOrDefault();
CinemaIDs.Add(CinemaID);
}
else
{
CinemaIDs.AddRange(principal.Cinemas.Where(x => !x.IsDeleted).Select(x => x.CinemaID).ToList());
}
var recommendedProjections = new List <Projections>();
if (String.IsNullOrWhiteSpace(searchQuery))
{
var recommendedMovies = GetRecommendedMovies(RVisitorID).Result;
var projections = principal.Projections
.Where(x => !x.IsDeleted &&
DbFunctions.TruncateTime(x.DateTimeStart) > DbFunctions.TruncateTime(DateTime.Today) &&
CinemaIDs.Contains(x.CinemaHalls.Cinemas.CinemaID))
.OrderBy(x => x.Movies.Name)
.DistinctBy(x => x.MovieID)
.ToList();
foreach (var movieID in recommendedMovies)
{
var projection = projections.Where(x => x.MovieID == movieID);
if (projection.Any())
{
recommendedProjections.Add(projection.FirstOrDefault());
}
}
foreach (var projection in recommendedProjections)
{
projections.Remove(projection);
}
recommendedProjections.AddRange(projections);
}
else
{
List <string> Movies = principal.Projections
.Where(x => !x.IsDeleted &&
DbFunctions.TruncateTime(x.DateTimeStart) > DbFunctions.TruncateTime(DateTime.Today) &&
CinemaIDs.Contains(x.CinemaHalls.Cinemas.CinemaID))
.OrderBy(x => x.Movies.Name)
.DistinctBy(x => x.Movies.Name)
.Select(x => x.Movies.Name + "$" + x.Movies.Synopsis)
.ToList();
Movies.ContextSort(searchQuery);
foreach (var movie in Movies)
{
string s = movie.Split('$')[0];
recommendedProjections.AddRange(principal.Projections.Where(x => !x.IsDeleted &&
DbFunctions.TruncateTime(x.DateTimeStart) > DbFunctions.TruncateTime(DateTime.Today) &&
CinemaIDs.Contains(x.CinemaHalls.Cinemas.CinemaID) && x.Movies.Name == s).OrderBy(x => x.Movies.Name)
.DistinctBy(x => x.Movies.Name).ToList());
}
}
return(Ok(recommendedProjections.Select(x => new
{
Duration = x.Movies.DurationInMinutes.ToString(),
Age = x.Movies.AgeRestrictions.Name,
Release = x.Movies.ReleaseYear.ToString(),
MovieName = x.Movies.Name,
x.MovieID,
x.CinemaHallID,
x.DateTimeStart,
x.TicketPrice,
MovieCover = Convert.ToBase64String(x.Movies.PictureBytes),
Projections = principal.Projections
.Where(y => DbFunctions.TruncateTime(y.DateTimeStart) > DbFunctions.TruncateTime(DateTime.Today) &&
y.Movies.MovieID == x.Movies.MovieID && !y.IsDeleted &&
CinemaIDs.Contains(y.CinemaHalls.Cinemas.CinemaID))
.OrderBy(y => y.DateTimeStart).Select(y => new {
y.ProjectionID,
y.MovieID,
y.CinemaHallID,
y.DateTimeStart,
y.TechnologyTypes.Name,
y.TicketPrice,
CinemaHallName = y.CinemaHalls.Name,
CinemaName = y.CinemaHalls.Cinemas.Name,
}).Take(10)
}).ToList()));
}
public static bool Orthogonal(VectorN v1, VectorN v2)
{
return(VectorN.DotProduct(v1, v2) == 0);
}
public void ExceptionNegative()
{
VectorN.GetZeroVector(-1);
}
public void ExceptionZero()
{
VectorN.GetZeroVector(0);
}
public void ExceptionDifferentDimensions()
{
var vector3D = new Vector3D();
VectorBase <double> vectorBase = new VectorN(4);
IVector <double> vector = vector3D - vectorBase;
}
public void ExceptionNegative()
{
Assert.Throws <ArgumentOutOfRangeException>(() => VectorN.GetZeroVector(-1));
}
public void ExceptionDifferentDimensions()
{
var vector1 = new VectorN(2);
var vector2 = new VectorN(4);
IVector <double> vector = vector1 / vector2;
}
public static Vector <double> VectorNToMathNet(VectorN point)
{
double[] components = new double[point.Components.Count];
point.Components.CopyTo(components);
return(Vector <double> .Build.DenseOfArray(components));
}
public void ExceptionRightNull()
{
var vector1 = new VectorN(2);
IVector <double> vector = vector1 / null;
}
/// <summary>
/// Measure the body at the new point in time, update its position,
/// and then calculate its reach again.
/// </summary>
/// <param name="time">Time.</param>
/// <param name="newPosition">New position.</param>
public void SetPosition(float time, VectorN newPosition)
{
Remeasure(time);
position = newPosition;
RecalculateReach();
}
/// <summary>
/// Adds a new w vector to the perceptron and initialises all
/// the values in the vector to 0
/// </summary>
/// <param name="size">size of the vector to add</param>
private void AddNewLabel( int size )
{
VectorN w = new VectorN(size);
for (int i = 0; i < w.Length; i++)
w[i] = 0;
W.Add(w);
}
protected override double Mult(VectorN v1, VectorN v2)
{
return Math.Exp(v1 * v2);
}
