/// <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; }