/// <summary>
/// Method to draw the graph for both Predicted and Assessed Navigation Acc.
/// </summary>
/// <param name="navAccGraphData">The appropriate data structure (Assessed or Predicted)</param>
/// <param name="color">The color which we want to draw the graph</param>
/// <param name="selected">Do we want to draw this or not, based on user selection</param>
/// <param name="legend">The string to be used to represent the legend</param>
private void DisplayNavAccGraph(PointPairList navAccGraphData, Color color, bool selected, string legend)
{
// Update the Accuracy graph using the PointPairList array.
GraphPane myPane = NavAccGraph.GraphPane;
if (selected)
{
// use the AddCurve method to add a new series of data to an existing graph
// The text supplied in the first parameter will be used in the legend.
LineItem myCurve = myPane.AddCurve(legend, navAccGraphData, color, SymbolType.Circle);
// Fill the symbols with the same color as the lines
myCurve.Symbol.Fill = new Fill(color);
}
// update the X-Axis Min and Max values. XDate is a ZedGraph type that takes a .Net DateTime structure.
// Use the JulianDate method ToDateTime to retrieve this structure from a JulianDate
NavAccGraph.GraphPane.XAxis.Scale.Min = (double)new XDate(startjd.ToDateTime());
NavAccGraph.GraphPane.XAxis.Scale.Max = (double)new XDate(stopjd.ToDateTime());
// Show the x axis grid
myPane.XAxis.MajorGrid.IsVisible = true;
// make x-axis a date type
myPane.XAxis.Type = AxisType.Date;
// Custom Axis string for display
myPane.XAxis.Scale.Format = "dd-MMM\nhh:mm";
// set the X-Axis Title
if (GPSTimeRadio.Checked)
{
myPane.XAxis.Title.Text = Localization.TimeGPST;
}
else
{
myPane.XAxis.Title.Text = Localization.TimeUTC;
}
// Align the Y axis labels so they are flush to the axis
myPane.YAxis.Scale.Align = AlignP.Inside;
// Fill the axis background with a gradient
myPane.Chart.Fill = new Fill(Color.White, Color.LightGray, 45.0f);
// Enable scrollbars if needed
NavAccGraph.IsShowHScrollBar = true;
NavAccGraph.IsShowVScrollBar = true;
NavAccGraph.IsAutoScrollRange = true;
NavAccGraph.IsScrollY2 = true;
// Make sure the Graph gets redrawn
NavAccGraph.AxisChange();
NavAccGraph.Invalidate();
}
/// <summary>
/// Removes the receiver definition and clears the graphs
/// </summary>
private void OnDeleteReceiverClick(object sender, EventArgs e)
{
// when a receiver is deleted, we need to clear the graphs and delete the information in the tree
// to delete info from a graph, just clear the graphs's curvelist
DOPGraph.GraphPane.CurveList.Clear();
AzElGraph.GraphPane.CurveList.Clear();
NavAccGraph.GraphPane.CurveList.Clear();
// also, we need to clear all the data from the DOPData structure
foreach (PointPairList ppl in DOPData)
{
ppl.Clear();
}
// clear all the Azimuth / elevation data from their respective structures.
AzElData_TimeBased.Clear();
AzElData_AzimuthBased.Clear();
// Clear all the Nav Accuracy Data from the zedGraph data structure that contain them.
AsAccData.Clear();
PredAccData.Clear();
// always do these two steps, these make the graphs update themselves
DOPGraph.AxisChange();
DOPGraph.Invalidate();
AzElGraph.AxisChange();
AzElGraph.Invalidate();
NavAccGraph.AxisChange();
NavAccGraph.Invalidate();
// Now clear the tree of the receiver, PSF and PAF information
// Except for the first node (Almanac), remove all other nodes.
string firstNodeName = rootNode.FirstNode.Text;
rootNode.Nodes.Clear();
TreeNode newNode = new TreeNode(firstNodeName);
rootNode.Nodes.Add(newNode);
rootNode.Expand();
//Clear the textboxes that contain the PAF and PSF names.
PAFName.Clear();
PSFName.Clear();
//enable and disable the appropriate buttons
SetControlStates(false);
}
