Esempio n. 1
0
        /// <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);
        }
Esempio n. 2
0
		/// <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;
		}