/// <summary>
/// Creates a list of plot items from data columns, using a template plot style.
/// </summary>
/// <param name="selectedColumns">Columns for which to create plot items.</param>
/// <param name="xColumnName">Name of the x column. If it is null or empty, or that column is not found in the table, the current assigned x column is used.</param>
/// <param name="templatePlotStyle">The template plot style used to create the basic plot item.</param>
/// <param name="processedColumns">On return, contains all columns that where used in creating the plot items. That are
/// not only the columns given in the first argument, but maybe also columns that are right to those columns in the table and have special kinds, like
/// labels, yerr, and so on.</param>
/// <param name="context">Property context used to determine default values, e.g. for the pen width or symbol size.</param>
/// <returns>List of plot items created.</returns>
public static List <IGPlotItem> CreatePlotItems(IEnumerable <DataColumn> selectedColumns, string xColumnName, string yColumnName, G3DPlotStyleCollection templatePlotStyle, HashSet <DataColumn> processedColumns, Altaxo.Main.Properties.IReadOnlyPropertyBag context)
{
var result = new List <IGPlotItem>();
foreach (DataColumn vcol in selectedColumns)
{
if (processedColumns.Contains(vcol))
{
continue;
}
else
{
processedColumns.Add(vcol);
}
var table = DataTable.GetParentDataTableOf(vcol);
var tablecoll = DataColumnCollection.GetParentDataColumnCollectionOf(vcol);
int groupNumber = tablecoll.GetColumnGroup(vcol);
Altaxo.Data.DataColumn xcol, ycol;
if (!string.IsNullOrEmpty(xColumnName) && null != table && table.ContainsColumn(xColumnName))
{
xcol = table[xColumnName];
}
else
{
xcol = null == table ? null : tablecoll.FindXColumnOf(vcol);
}
if (!string.IsNullOrEmpty(yColumnName) && null != table && table.ContainsColumn(yColumnName))
{
ycol = table[yColumnName];
}
else
{
ycol = null == table ? null : tablecoll.FindYColumnOf(vcol);
}
var pa = new XYZColumnPlotData(
table,
groupNumber,
xcol ?? (IReadableColumn) new IndexerColumn(),
ycol ?? (IReadableColumn) new ConstantDoubleColumn(0),
vcol);
var ps = templatePlotStyle != null?templatePlotStyle.Clone() : new G3DPlotStyleCollection();
if (null == table)
{
continue;
}
ErrorBarPlotStyle unpairedPositiveError = null;
ErrorBarPlotStyle unpairedNegativeError = null;
bool foundMoreColumns = true;
for (int idx = 1 + tablecoll.GetColumnNumber(vcol); foundMoreColumns && idx < tablecoll.ColumnCount; idx++)
{
DataColumn col = table[idx];
switch (tablecoll.GetColumnKind(idx))
{
case ColumnKind.Label:
var labelStyle = new LabelPlotStyle(col, context);
ps.Insert(0, labelStyle);
break;
case ColumnKind.Err:
var errStyle = new ErrorBarZPlotStyle(context)
{
UseCommonErrorColumn = true,
CommonErrorColumn = col as INumericColumn
};
ps.Add(errStyle);
break;
case ColumnKind.pErr:
if (null != unpairedNegativeError)
{
unpairedNegativeError.PositiveErrorColumn = col as INumericColumn;
;
unpairedNegativeError = null;
}
else
{
unpairedPositiveError = new ErrorBarZPlotStyle(context)
{
UseCommonErrorColumn = false
};
unpairedPositiveError.PositiveErrorColumn = col as INumericColumn;
ps.Add(unpairedPositiveError);
}
break;
case ColumnKind.mErr:
if (null != unpairedPositiveError)
{
unpairedPositiveError.NegativeErrorColumn = col as INumericColumn;
unpairedPositiveError = null;
}
else
{
unpairedNegativeError = new ErrorBarZPlotStyle(context)
{
UseCommonErrorColumn = false
};
unpairedNegativeError.NegativeErrorColumn = col as INumericColumn;
ps.Add(unpairedNegativeError);
}
break;
default:
foundMoreColumns = false;
break;
}
if (foundMoreColumns)
{
processedColumns.Add(table[idx]);
}
}
result.Add(new XYZColumnPlotItem(pa, ps));
}
return(result);
}
/// <summary>
/// Creates a list of plot items from data columns, using a template plot style.
/// </summary>
/// <param name="selectedColumns">Columns for which to create plot items.</param>
/// <param name="xColumnName">Name of the x column. If it is null or empty, or that column is not found in the table, the current assigned x column is used.</param>
/// <param name="templatePlotStyle">The template plot style used to create the basic plot item.</param>
/// <param name="processedColumns">On return, contains all columns that where used in creating the plot items. That are
/// not only the columns given in the first argument, but maybe also columns that are right to those columns in the table and have special kinds, like
/// labels, yerr, and so on.</param>
/// <param name="context">Property context used to determine default values, e.g. for the pen width or symbol size.</param>
/// <returns>List of plot items created.</returns>
public static List<IGPlotItem> CreatePlotItems(IEnumerable<DataColumn> selectedColumns, string xColumnName, string yColumnName, G3DPlotStyleCollection templatePlotStyle, HashSet<DataColumn> processedColumns, Altaxo.Main.Properties.IReadOnlyPropertyBag context)
{
var result = new List<IGPlotItem>();
foreach (DataColumn vcol in selectedColumns)
{
if (processedColumns.Contains(vcol))
continue;
else
processedColumns.Add(vcol);
var table = DataTable.GetParentDataTableOf(vcol);
var tablecoll = DataColumnCollection.GetParentDataColumnCollectionOf(vcol);
int groupNumber = tablecoll.GetColumnGroup(vcol);
Altaxo.Data.DataColumn xcol, ycol;
if (!string.IsNullOrEmpty(xColumnName) && null != table && table.ContainsColumn(xColumnName))
xcol = table[xColumnName];
else
xcol = null == table ? null : tablecoll.FindXColumnOf(vcol);
if (!string.IsNullOrEmpty(yColumnName) && null != table && table.ContainsColumn(yColumnName))
ycol = table[yColumnName];
else
ycol = null == table ? null : tablecoll.FindYColumnOf(vcol);
var pa = new XYZColumnPlotData(
table,
groupNumber,
(IReadableColumn)xcol ?? (IReadableColumn)new IndexerColumn(),
(IReadableColumn)ycol ?? (IReadableColumn)new ConstantDoubleColumn(0),
vcol);
var ps = templatePlotStyle != null ? (G3DPlotStyleCollection)templatePlotStyle.Clone() : new G3DPlotStyleCollection();
if (null == table)
continue;
ErrorBarPlotStyle unpairedPositiveError = null;
ErrorBarPlotStyle unpairedNegativeError = null;
bool foundMoreColumns = true;
for (int idx = 1 + tablecoll.GetColumnNumber(vcol); foundMoreColumns && idx < tablecoll.ColumnCount; idx++)
{
DataColumn col = table[idx];
switch (tablecoll.GetColumnKind(idx))
{
case ColumnKind.Label:
var labelStyle = new LabelPlotStyle(col, context);
ps.Insert(0, labelStyle);
break;
case ColumnKind.Err:
var errStyle = new ErrorBarZPlotStyle(context);
errStyle.UseCommonErrorColumn = true;
errStyle.CommonErrorColumn = col as INumericColumn;
ps.Add(errStyle);
break;
case ColumnKind.pErr:
if (null != unpairedNegativeError)
{
unpairedNegativeError.PositiveErrorColumn = col as INumericColumn; ;
unpairedNegativeError = null;
}
else
{
unpairedPositiveError = new ErrorBarZPlotStyle(context) { UseCommonErrorColumn = false };
unpairedPositiveError.PositiveErrorColumn = col as INumericColumn;
ps.Add(unpairedPositiveError);
}
break;
case ColumnKind.mErr:
if (null != unpairedPositiveError)
{
unpairedPositiveError.NegativeErrorColumn = col as INumericColumn;
unpairedPositiveError = null;
}
else
{
unpairedNegativeError = new ErrorBarZPlotStyle(context) { UseCommonErrorColumn = false };
unpairedNegativeError.NegativeErrorColumn = col as INumericColumn;
ps.Add(unpairedNegativeError);
}
break;
default:
foundMoreColumns = false;
break;
}
if (foundMoreColumns)
processedColumns.Add(table[idx]);
}
result.Add(new XYZColumnPlotItem(pa, ps));
}
return result;
}
