Ejemplo n.º 1
0
        /// <summary>
        /// Plots selected data columns of a table.
        /// </summary>
        /// <param name="table">The source table.</param>
        /// <param name="selectedColumns">The data columns of the table that should be plotted.</param>
        /// <param name="graph">The graph document to plot into.</param>
        /// <param name="templatePlotStyle">The plot style which is the template for all plot items.</param>
        /// <param name="groupStyles">The group styles for the newly built plot item collection.</param>
        public static IGraphController Plot(DataTable table,
                                            IAscendingIntegerCollection selectedColumns,
                                            Graph.Gdi.GraphDocument graph,
                                            G2DPlotStyleCollection templatePlotStyle,
                                            PlotGroupStyleCollection groupStyles)
        {
            List <IGPlotItem> pilist = CreatePlotItems(table, selectedColumns, templatePlotStyle);

            // now create a new Graph with this plot associations
            Altaxo.Graph.GUI.IGraphController gc = Current.ProjectService.CreateNewGraph(graph);
            // Set x and y axes according to the first plot item in the list
            if (pilist.Count > 0 && (pilist[0] is XYColumnPlotItem))
            {
                XYColumnPlotItem firstitem = (XYColumnPlotItem)pilist[0];
                if (firstitem.Data.XColumn is TextColumn)
                {
                    gc.Doc.Layers[0].LinkedScales.SetScale(0, new Graph.Scales.TextScale());
                }
                else if (firstitem.Data.XColumn is DateTimeColumn)
                {
                    gc.Doc.Layers[0].LinkedScales.SetScale(0, new Graph.Scales.DateTimeScale());
                }

                if (firstitem.Data.YColumn is TextColumn)
                {
                    gc.Doc.Layers[0].LinkedScales.SetScale(1, new Graph.Scales.TextScale());
                }
                else if (firstitem.Data.YColumn is DateTimeColumn)
                {
                    gc.Doc.Layers[0].LinkedScales.SetScale(1, new Graph.Scales.DateTimeScale());
                }
            }


            PlotItemCollection newPlotGroup = new PlotItemCollection(gc.Doc.Layers[0].PlotItems);

            foreach (IGPlotItem pi in pilist)
            {
                newPlotGroup.Add(pi);
            }
            if (groupStyles != null)
            {
                newPlotGroup.GroupStyles = groupStyles;
            }
            else
            {
                newPlotGroup.CollectStyles(newPlotGroup.GroupStyles);
            }

            gc.Doc.Layers[0].PlotItems.Add(newPlotGroup);

            return(gc);
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Plots a density image of the selected columns.
        /// </summary>
        /// <param name="dg"></param>
        /// <param name="bLine"></param>
        /// <param name="bScatter"></param>
        public static void PlotDensityImage(GUI.WorksheetController dg, bool bLine, bool bScatter)
        {
            DensityImagePlotStyle plotStyle = new DensityImagePlotStyle();

            // if nothing is selected, assume that the whole table should be plotted
            int len = dg.SelectedDataColumns.Count;

            XYZMeshedColumnPlotData assoc = new XYZMeshedColumnPlotData(dg.Doc.DataColumns, len == 0 ? null : dg.SelectedDataColumns);


            // now create a new Graph with this plot associations

            Altaxo.Graph.GUI.IGraphController gc = Current.ProjectService.CreateNewGraph();

            IGPlotItem pi = new DensityImagePlotItem(assoc, plotStyle);

            gc.Doc.Layers[0].PlotItems.Add(pi);
        }