/// <summary>
/// Handles the zoom on the chart
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void GraphVisualiser_MouseWheel(object sender, MouseEventArgs e)
{
try
{
Chart chart = sender as Chart;
if (chart != null)
{
if (e.Location.X >= 0 && e.Location.X <= chart.Size.Width &&
e.Location.Y >= 0 && e.Location.Y <= chart.Size.Height)
{
GraphVisualiser.HandleZoom(sender, e, 0);
}
}
}
catch
{
}
}
/// <summary>
/// Constructor
/// </summary>
public GraphView()
{
InitializeComponent();
AllowDrop = true;
DragEnter += GraphView_DragEnter;
DragDrop += GraphView_DragDrop;
Functions = new List <Function>();
TrainPosition = new TrainPosition();
DockAreas = DockAreas.Document;
GraphVisualiser.InitializeChart();
foreach (TabPage tabPage in tabControl1.TabPages)
{
tabPage.MouseEnter += (s, e) => tabPage.Focus();
}
}
/// <summary>
/// Displays the graph
/// </summary>
/// <returns></returns>
public void Display()
{
Util.DontNotify(() =>
{
GraphVisualiser.Reset();
String name = null;
// Computes the expected end to display
double expectedEndX = 0;
Dictionary <Function, Graph> graphs = new Dictionary <Function, Graph>();
foreach (Function function in Functions)
{
InterpretationContext context = new InterpretationContext(function);
if (function.FormalParameters.Count == 1)
{
Parameter parameter = (Parameter)function.FormalParameters[0];
Graph graph = function.CreateGraph(context, parameter, null);
if (graph != null)
{
expectedEndX = Math.Max(expectedEndX, graph.ExpectedEndX());
graphs.Add(function, graph);
}
}
}
double expectedEndY = 0;
Dictionary <Function, Surface> surfaces = new Dictionary <Function, Surface>();
foreach (Function function in Functions)
{
InterpretationContext context = new InterpretationContext(function);
if (function.FormalParameters.Count == 2)
{
Surface surface = function.CreateSurface(context, null);
if (surface != null)
{
expectedEndX = Math.Max(expectedEndX, surface.ExpectedEndX());
expectedEndY = Math.Max(expectedEndY, surface.ExpectedEndY());
surfaces.Add(function, surface);
}
}
}
try
{
int maxX = Int32.Parse(Tb_MaxX.Text);
expectedEndX = Math.Min(expectedEndX, maxX);
}
catch (Exception)
{
}
// Creates the graphs
foreach (KeyValuePair <Function, Graph> pair in graphs)
{
Function function = pair.Key;
Graph graph = pair.Value;
if (function != null && graph != null)
{
EfsProfileFunction efsProfileFunction = new EfsProfileFunction(graph);
if (function.Name.Contains("Gradient"))
{
GraphVisualiser.AddGraph(new EfsGradientProfileGraph(GraphVisualiser, efsProfileFunction,
function.FullName));
}
else
{
GraphVisualiser.AddGraph(new EfsProfileFunctionGraph(GraphVisualiser, efsProfileFunction,
function.FullName));
}
if (name == null)
{
name = function.Name;
}
}
}
// Creates the surfaces
foreach (KeyValuePair <Function, Surface> pair in surfaces)
{
Function function = pair.Key;
Surface surface = pair.Value;
if (surface != null)
{
EfsSurfaceFunction efsSurfaceFunction = new EfsSurfaceFunction(surface);
GraphVisualiser.AddGraph(new EfsSurfaceFunctionGraph(GraphVisualiser, efsSurfaceFunction,
function.FullName));
if (name == null)
{
name = function.Name;
}
}
}
Train train = new Train(GraphVisualiser);
train.InitializeTrain(TrainPosition.GetDistance(), TrainPosition.GetSpeed(), TrainPosition.GetUnderReadingAmount(), TrainPosition.GetOverReadingAmount());
GraphVisualiser.AddGraph(train);
GraphVisualiser.Annotations.Add(train.TrainLineAnnotation);
GraphVisualiser.Annotations.Add(train.TrainAnnotation);
if (name != null)
{
try
{
double val = double.Parse(Tb_MinX.Text);
GraphVisualiser.SetMinX(val);
}
catch (Exception)
{
}
try
{
double val = double.Parse(Tb_MaxX.Text);
GraphVisualiser.SetMaxX(val);
}
catch (Exception)
{
}
if (Cb_AutoYSize.Checked)
{
GraphVisualiser.SetMaxY(double.NaN);
}
else
{
double height;
if (double.TryParse(Tb_MaxY.Text, out height))
{
GraphVisualiser.SetMaxY(height);
}
else
{
GraphVisualiser.SetMaxY(double.NaN);
}
}
GraphVisualiser.SetMinY2(double.NaN);
GraphVisualiser.SetMaxY2(double.NaN);
double top, bottom;
if (double.TryParse(Tb_MinGrad.Text, out bottom))
{
GraphVisualiser.SetMinY2(bottom);
}
if (double.TryParse(Tb_MaxGrad.Text, out top))
{
GraphVisualiser.SetMaxY2(top);
}
GraphVisualiser.DrawGraphs(expectedEndX);
}
});
}
