/// <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);
}
/// <summary>
/// Updates the Azimuth/Elevation graph with the calculated data
/// </summary>
private void updateAzElGraph()
{
// Plotting the Azimuth / Elevation data is a little trickier than plotting the DOP data
// We have to check if we're plotting the data's X-Axis as Azimuth or time.
GraphPane myPane = AzElGraph.GraphPane;
// We'll create a sorted list of PRNs and add each PRN in turn. This will ensure the legend is sorted.
int[] sortedPRNArray = new int[AzElData_TimeBased.Keys.Count];
AzElData_TimeBased.Keys.CopyTo(sortedPRNArray, 0);
Array.Sort(sortedPRNArray);
// We'll now iterate over each satellite (PRN) and add either the time-based or Azimuth-based data to the graph
foreach (int PRN in sortedPRNArray)
{
LineItem myCurve;
if (plotXAxisAsTime)
{
// we're using the appropriate line color and symbol here.
myCurve = myPane.AddCurve(String.Format("PRN {0}", PRN), AzElData_TimeBased[PRN], prnStyles[PRN].color, prnStyles[PRN].symbol);
}
else
{
myCurve = myPane.AddCurve(String.Format("PRN {0}", PRN), AzElData_AzimuthBased[PRN], prnStyles[PRN].color, prnStyles[PRN].symbol);
}
myCurve.Symbol.Fill = new Fill(prnStyles[PRN].color);
myCurve.Line.IsVisible = false;
}
// Now set the X-Axis characteristics based on the user preference
if (plotXAxisAsTime)
{
AzElGraph.GraphPane.XAxis.Scale.Min = (double)new XDate(startjd.ToDateTime());
AzElGraph.GraphPane.XAxis.Scale.Max = (double)new XDate(stopjd.ToDateTime());
// make x-axis a date type
myPane.XAxis.Type = AxisType.Date;
myPane.XAxis.Scale.Format = "dd-MMM\nhh:mm";
//myPane.XAxis.Scale.FontSpec.Angle = 40;
if (GPSTimeRadio.Checked)
{
myPane.XAxis.Title.Text = Localization.TimeGPST;
}
else
{
myPane.XAxis.Title.Text = Localization.TimeUTC;
}
}
else
{
AzElGraph.GraphPane.XAxis.Scale.Min = 0.0;
AzElGraph.GraphPane.XAxis.Scale.Max = 360.0;
// make x-axis a date type
myPane.XAxis.Type = AxisType.Linear;
myPane.XAxis.Scale.FormatAuto = true;
myPane.XAxis.Title.Text = Localization.AzimuthDegrees;
}
// Show the x axis grid
myPane.XAxis.MajorGrid.IsVisible = true;
// 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
AzElGraph.IsShowHScrollBar = true;
AzElGraph.IsShowVScrollBar = true;
AzElGraph.IsAutoScrollRange = true;
AzElGraph.IsScrollY2 = true;
// Make sure the Graph gets redrawn
AzElGraph.AxisChange();
AzElGraph.Invalidate();
}