private void AddData()
{
Series tempSeries = new Series(this, "", TimeInterval.Irregular);
// tempSeries is not a "valid" series. just taking advantage
// of insert and lookup functions
tempSeries.Table.Columns.Remove("flag"); // this was added by constructor above..
int colIndex = 1; // skip date column
do
{
Series s = m_seriesList[m_columnToSeries[colIndex]];
DataRow row = null;
for (int i = 0; i < s.Count; i++)
{
Point pt = s[i];
int idx = tempSeries.IndexOf(pt.DateTime);
if (idx < 0)
{// need new row..
row = NewRow();
row[0] = pt.DateTime;
row[colIndex] = Point.DoubleOrNull(ref pt);
if (s.HasFlags)
{
row[colIndex + 1] = pt.Flag;
}
// find spot to insert
int sz = tempSeries.Count;
if (sz == 0 || pt.DateTime > tempSeries.MaxDateTime)
{ // append
Rows.Add(row);
}
else
{
int j = tempSeries.LookupIndex(pt.DateTime);
Rows.InsertAt(row, j);
}
}
else
{ // using existing row
row = Rows[idx];
row[colIndex] = Point.DoubleOrNull(ref pt);
if (s.HasFlags)
{
row[colIndex + 1] = pt.Flag;
}
continue;
}
}
colIndex++;
if (s.HasFlags)
{
colIndex++;
}
} while (colIndex < Columns.Count - 1);
}
private DataTable CreateTimeSeriesCompositeTable()
{
/*
* Example: series with 2 tables.
*
* table1: Date,uslev,flag
* table2: Date,uslev,flag
*
* Output: Date,uslev,flag1,uslev2,flag2
**/
if (Count == 0)
{
return(new Series().Table.Copy());
}
if (Count == 1)
{
// if data is read-write original reference is needed in table
return(this[0].Table);
}
DataTable table = CreateCompositeSchema();
Series tempSeries = new Series(table, "", TimeInterval.Irregular);
// tempSeries is not a "valid" series. just taking advantage
// of insert and lookup functions
for (int seriesIndex = 0; seriesIndex < Count; seriesIndex++)
{
Series s = this[seriesIndex];
DataRow row = null;
for (int i = 0; i < s.Count; i++)
{
Point pt = s[i];
int idx = tempSeries.IndexOf(pt.DateTime);
if (idx < 0)
{// need new row..
row = table.NewRow();
row[0] = pt.DateTime;
row[1 + seriesIndex] = Point.DoubleOrNull(ref pt);
}
else
{ // using existing row
row = table.Rows[idx];
row[1 + seriesIndex] = Point.DoubleOrNull(ref pt);
continue;
}
// find spot to insert
int sz = tempSeries.Count;
if (sz == 0 || pt.DateTime > tempSeries.MaxDateTime)
{ // append
table.Rows.Add(row);
continue;
}
int j = tempSeries.LookupIndex(pt.DateTime);
table.Rows.InsertAt(row, j);
}
}
return(table);
}
