/// <summary>
/// Gets data from a series using the Points collection.
/// </summary>
/// <param name="s">reference to a series object</param>
/// <param name="g_data">reference to a GraphDataForm object</param>
/// <param name="hastime">specify whether series has time axis</param>
private void GetDataPoints(Series s, GraphDataForm g_data, bool hastime)
{
string time = null;
//iterate through all points in series
//If the collection is empty, use an iterator
foreach (SeriesPoint point in s)
{
if (hastime)
{
//decode time to hh:mm:ss
time = DecodeTime(point.RelativeTime);
}
else
{
//series doesn't have a time axis
time = point.RelativeTime.ToString();
}
//create an array of points
string[] columns = new string[point.Values.Count];
for (int i = 0; i < point.Values.Count; i++)
{
columns[i] = point.Values[i].Value.ToString("0.00000000");//all points are calculated with 8 digits precision
}
//assign created array to ListView
g_data.ListBeginUpdate();
g_data.FillFirstColumn(time).SubItems.AddRange(columns);
g_data.ListEndUpdate();
}
/* Use the following code if you need to fire a SeriesLoadPoints event
*
* string time = null;
*
* for (int i = 0; i < s.Points.Count; i++)
* {
* if (hastime)
* {
* //decode time to hh:mm:ss
* time = DecodeTime(point.RelativeTime);
* }
* else
* {
* //series doesn't have a time axis
* time = s.Points[i].RelativeTime.ToString();
* }
*
* //create an array with all points
* string[] columns = new string[s.Points[i].Values.Count];
* for (int y = 0; y < s.Points[i].Values.Count; y++)
* columns[y] = s.Points[i].Values[y].Value.ToString("0.00000000");
*
* //assign created array to ListView
* g_data.ListBeginUpdate();
* g_data.FillFirstColumn(time).SubItems.AddRange(columns);
* g_data.ListEndUpdate();
* }
* */
}
/// <summary>
/// Gets data from a series using an iterator.
/// </summary>
/// <param name="s">reference to a series object</param>
/// <param name="g_data">reference to a GraphDataForm object</param>
/// <param name="hastime">specify whether series has time axis</param>
private void GetDataWithIterator(Series s, GraphDataForm g_data, bool hastime)
{
//check if iterator can be used
if (!s.CanUsePointsIterator())
{
MessageBox.Show("Iterator cannot be used");
return;
}
//get iterator
SeriesPointIterator pi = s.GetPointsIterator();
string time = null;
//iterate through all points using iterator
foreach (SeriesPoint pt in pi)
{
if (hastime)
{
//decode time to hh:mm:ss
time = DecodeTime(pt.RelativeTime);
}
else
{
//series doesn't have a time axis
time = pt.RelativeTime.ToString();
}
//create an array with all points
string[] columns = new string[pt.Values.Count];
for (int i = 0; i < pt.Values.Count; i++)
{
columns[i] = pt.Values[i].Value.ToString("0.00000000");
}
//assign created array to ListView
g_data.ListBeginUpdate();
g_data.FillFirstColumn(time).SubItems.AddRange(columns);
g_data.ListEndUpdate();
}
}
