private string picture(AxisOptions axisOptions, IEnumerable <Plot> plots, string axisOptionsForAxis, string options = null)
{
plots = plots.ToArray();
var tex = new StringBuilder();
tex.Append(Helper.Begin(Helper.Environments.tikzpicture));
tex.Append(Helper.LineFeed());
if (!String.IsNullOrEmpty(options))
{
tex.AppendFormat("\\pgfplotsset{{{0}}}\n", options);
}
tex.Append(Helper.LineFeed());
foreach (var color in _colors)
{
tex.Append(defineColor(color));
}
tex.Append(Helper.Begin(Helper.Environments.axis, axisOptionsForAxis));
tex.Append(Helper.LineFeed());
addPlots(tex, plots, axisOptions);
tex.Append(Helper.End(Helper.Environments.axis));
tex.Append(Helper.End(Helper.Environments.tikzpicture));
return(tex.ToString());
}
/// <summary>
/// This function creates automatically ticks for logarithmic axis.
/// </summary>
/// <remarks>
/// In pgfplots there is a problem when the values are to close together on a logarithmic axis.
/// The ticks are then created by pgfplots on fixed exponent position 10^0.9, 10^0.8, ....
/// But this not desired. It should be 9, 8, ....
/// Therefor if the difference of the scale is less than 2 then we define the ticks with this function.
/// </remarks>
/// <param name="axisOptions">Axis options to fix.</param>
/// <param name="plots">Plots for this axis options.</param>
/// <returns>Fixed axis options</returns>
private AxisOptions getTicksForLogPlots(AxisOptions axisOptions, IEnumerable <Plot> plots)
{
plots = plots.ToArray();
if (axisOptions.XMode != AxisOptions.AxisMode.log && axisOptions.YMode != AxisOptions.AxisMode.log)
{
return(axisOptions);
}
if (axisOptions.XTicks == null && axisOptions.XMode == AxisOptions.AxisMode.log)
{
bool switchFromLogToNormal;
bool useFixedPoints;
axisOptions.XTicks = getTicksForPlots(Axis.X, plots, out switchFromLogToNormal, out useFixedPoints);
if (switchFromLogToNormal)
{
axisOptions.XMode = AxisOptions.AxisMode.normal;
}
axisOptions.LogTicksWithFixedPoint &= useFixedPoints;
if (axisOptions.XMinorTicks == null)
{
axisOptions.XMinorTicks = getMinorTicksForPlots(Axis.X, plots);
}
//if (axisOptions.XMin == null)
// axisOptions.XMin = GetMin(Axis.X, plots);
//if (axisOptions.XMax == null)
// axisOptions.XMax = GetMax(Axis.X, plots);
//if (axisOptions.XMin != null && axisOptions.XMin < Plot.MIN_VALUE) axisOptions.XMin = Plot.MIN_VALUE;
//if (axisOptions.XMax != null && axisOptions.XMax < Plot.MIN_VALUE) axisOptions.XMax = Plot.MIN_VALUE;
}
if (axisOptions.YTicks == null && axisOptions.YMode == AxisOptions.AxisMode.log)
{
bool switchFromLogToNormal;
bool useFixedPoints;
axisOptions.YTicks = getTicksForPlots(Axis.Y, plots, out switchFromLogToNormal, out useFixedPoints);
if (switchFromLogToNormal)
{
axisOptions.YMode = AxisOptions.AxisMode.normal;
}
axisOptions.LogTicksWithFixedPoint &= useFixedPoints;
if (axisOptions.YMinorTicks == null)
{
axisOptions.YMinorTicks = getMinorTicksForPlots(Axis.Y, plots);
}
//if (axisOptions.YMin == null)
// axisOptions.YMin = GetMin(Axis.Y, plots);
//if (axisOptions.YMax == null)
// axisOptions.YMax = GetMax(Axis.Y, plots);
//if (axisOptions.YMin != null && axisOptions.YMin < Plot.MIN_VALUE) axisOptions.YMin = Plot.MIN_VALUE;
//if (axisOptions.YMax != null && axisOptions.YMax < Plot.MIN_VALUE) axisOptions.YMax = Plot.MIN_VALUE;
}
return(axisOptions);
}
private static int getLevels(AxisOptions axisOptions)
{
int levels = 0;
if (axisOptions.GroupLines != null && axisOptions.GroupLines.Any())
{
levels = axisOptions.GroupLines.Max(g => g.Level);
}
return(levels);
}
private int getSpaceInRowsToReserveForGroupLines(AxisOptions axisOptions, IEnumerable <IBasePlot> groupedPlots)
{
var offset = getOffset(axisOptions);
var levels = getLevels(axisOptions);
foreach (var plot in groupedPlots)
{
var plotOffset = getOffset(plot.AxisOptions);
var plotLevels = getLevels(plot.AxisOptions);
offset = max(plotOffset, offset);
levels = max(plotLevels, levels);
}
return(levels * 2 + offset);
}
/// <summary>
/// This creates a picture for a group of plots.
/// </summary>
/// <param name="groupedPlots">List of plots to be grouped.</param>
/// <param name="axisOptions">Used for the whole group of plots.</param>
/// <param name="groupOptions">For defining the structure of the matrix and where labels and ticks are placed.</param>
/// <param name="options">For sizing the picture.</param>
/// <returns></returns>
public string PictureGroupPlot(IEnumerable <IBasePlot> groupedPlots, AxisOptions axisOptions, GroupOptions groupOptions, string options = null)
{
var tex = new StringBuilder();
var groupPlots = groupedPlots as IList <IBasePlot> ?? groupedPlots.ToList();
foreach (var groupPlot in groupPlots)
{
groupPlot.AxisOptions = getTicksForLogPlots(groupPlot.AxisOptions, groupPlot.Plots);
}
tex.Append(Helper.Begin(Helper.Environments.tikzpicture));
tex.Append(Helper.LineFeed());
if (!String.IsNullOrEmpty(options))
{
tex.AppendFormat("\\pgfplotsset{{{0}}}\n", options);
}
tex.Append(Helper.LineFeed());
foreach (var color in _colors)
{
tex.Append(defineColor(color));
}
tex.Append(Helper.Begin(Helper.Environments.groupplot, $"{groupOptions},{axisOptions}"));
tex.Append(Helper.LineFeed());
foreach (var groupPlot in groupPlots)
{
tex.AppendFormat((string)"\\nextgroupplot[{0}]\n", (object)groupPlot.AxisOptions);
addPlots(tex, groupPlot.Plots, groupPlot.AxisOptions);
}
tex.Append(Helper.End(Helper.Environments.groupplot));
if (!string.IsNullOrEmpty(groupOptions.Title))
{
tex.Append(groupOptions.PlaceGroupTitle(_converter.StringToTeX(groupOptions.Title)));
}
tex.Append(groupOptions.PlaceLegend(getSpaceInRowsToReserveForGroupLines(axisOptions, groupedPlots)));
tex.Append(Helper.End(Helper.Environments.tikzpicture));
return(tex.ToString());
}
private void addPlots(StringBuilder tex, IEnumerable <Plot> plots, AxisOptions axisOptions, bool markPlots = false)
{
foreach (var plot in plots)
{
if (axisOptions.XMode == AxisOptions.AxisMode.log)
{
plot.LogarithmicXAxis = true;
}
if (axisOptions.YMode == AxisOptions.AxisMode.log)
{
plot.LogarithmicYAxis = true;
}
if (markPlots)
{
plot.Options.Label = Helper.Marker();
}
tex.Append(plot);
if (!markPlots)
{
tex.Append(addLegendEntry(plot));
}
}
}
/// <summary>
/// This creates a picture for a plot with three ordinates (Y, Y2, Y3).
/// </summary>
/// <remarks>The legend options are used from axisOptionsY3. The x axis is taken from axisOptionsY.</remarks>
/// <param name="axisOptionsY"></param>
/// <param name="axisOptionsY2"></param>
/// <param name="axisOptionsY3"></param>
/// <param name="plotsY"></param>
/// <param name="plotsY2"></param>
/// <param name="plotsY3"></param>
/// <param name="options"></param>
/// <returns></returns>
public string PictureThreeOrdinates(AxisOptions axisOptionsY, AxisOptions axisOptionsY2, AxisOptions axisOptionsY3, IEnumerable <Plot> plotsY, IEnumerable <Plot> plotsY2, IEnumerable <Plot> plotsY3, string options = null)
{
plotsY = plotsY.ToArray();
plotsY2 = plotsY2.ToArray();
plotsY3 = plotsY3.ToArray();
axisOptionsY = getTicksForLogPlots(axisOptionsY, plotsY);
axisOptionsY2 = getTicksForLogPlots(axisOptionsY2, plotsY2);
axisOptionsY3 = getTicksForLogPlots(axisOptionsY3, plotsY3);
// The x axis must be the same for all Y axis.
if (axisOptionsY.XMin == null)
{
axisOptionsY.XMin = axisOptionsY.XTickMin;
}
if (axisOptionsY.XMax == null)
{
axisOptionsY.XMax = axisOptionsY.XTickMax;
}
axisOptionsY2.XAxisIsHidden = true;
axisOptionsY2.XMin = axisOptionsY.XMin;
axisOptionsY2.XMax = axisOptionsY.XMax;
axisOptionsY2.EnlargeLimits = axisOptionsY.EnlargeLimits;
axisOptionsY3.XAxisIsHidden = true;
axisOptionsY3.XMin = axisOptionsY.XMin;
axisOptionsY3.XMax = axisOptionsY.XMax;
axisOptionsY3.EnlargeLimits = axisOptionsY.EnlargeLimits;
// Arrange axis positions for two ordinates plot
axisOptionsY.YAxisPosition = AxisOptions.AxisYLine.left;
axisOptionsY2.YAxisPosition = AxisOptions.AxisYLine.right;
axisOptionsY3.YAxisPosition = AxisOptions.AxisYLine.right;
// Arrows make problems in multiple ordinates szenario, therefor they are set to false
axisOptionsY.YAxisArrow = false;
axisOptionsY2.YAxisArrow = false;
axisOptionsY3.YAxisArrow = false;
// Reset global settings for multiple ordinates.
axisOptionsY2.BackgroundColor = String.Empty;
axisOptionsY3.BackgroundColor = String.Empty;
axisOptionsY2.Title = String.Empty;
axisOptionsY3.Title = String.Empty;
var tex = new StringBuilder();
tex.Append(Helper.Begin(Helper.Environments.tikzpicture));
tex.Append(Helper.LineFeed());
if (!String.IsNullOrEmpty(options))
{
options += ",";
}
options += "set layers";
if (!String.IsNullOrEmpty(options))
{
options += ",";
}
options += "cell picture=true";
tex.AppendFormat("\\pgfplotsset{{{0}}}\n", options);
tex.Append(Helper.LineFeed());
foreach (var color in _colors)
{
tex.Append(defineColor(color));
}
tex.Append(Helper.Begin(Helper.Environments.axis, axisOptionsY + ",scale only axis"));
tex.Append(Helper.LineFeed());
// add curves of Y axis
addPlots(tex, plotsY, axisOptionsY, true);
tex.Append(Helper.End(Helper.Environments.axis));
//define styles for legend ref
foreach (var plot in plotsY)
{
tex.Append(defineStyleForLegendRef(plot.Options.Label, plot.GetStyleForLegend()));
}
// Y2 Axis
tex.Append(Helper.Begin(Helper.Environments.axis, axisOptionsY2 + ",scale only axis"));
tex.Append(Helper.LineFeed());
// add curves of Y2 axis
addPlots(tex, plotsY2, axisOptionsY2, true);
tex.Append(Helper.End(Helper.Environments.axis));
//define styles for legend ref
foreach (var plot in plotsY2)
{
tex.Append(defineStyleForLegendRef(plot.Options.Label, plot.GetStyleForLegend()));
}
// Y3 Axis
tex.Append(Helper.Begin(Helper.Environments.axis, axisOptionsY3 + ",scale only axis"));
tex.Append(Helper.LineFeed());
if (axisOptionsY3.LegendOptions != null)
{
if (axisOptionsY3.LegendOptions.LegendPosition == LegendOptions.LegendPositions.OuterNorthEast)
{
tex.Append("\\pgfplotsset{legend style={xshift=2 cm}}\n");
}
}
tex.Append("\\pgfplotsset{every outer y axis line/.style={xshift=2 cm}, every tick/.style={xshift=2cm}, every y tick label/.style={xshift=2cm}}\n");
//create legend entries for first and second ordinate
foreach (var plot in plotsY)
{
tex.Append(addLegendEntryWithLabelRef(plot));
}
foreach (var plot in plotsY2)
{
tex.Append(addLegendEntryWithLabelRef(plot));
}
// add curves of axis Y3
addPlots(tex, plotsY3, axisOptionsY3);
tex.Append(Helper.End(Helper.Environments.axis));
tex.Append(Helper.End(Helper.Environments.tikzpicture));
return(tex.ToString());
}
/// <summary>
/// This creates a picture for a plot.
/// </summary>
/// <param name="barPlotOptions"></param>
/// <param name="axisOptions"></param>
/// <param name="plots"></param>
/// <param name="options">For sizing the picture.</param>
/// <returns></returns>
public string Picture(BarPlotOptions barPlotOptions, AxisOptions axisOptions, IEnumerable <Plot> plots, string options = null)
{
plots = plots.ToArray();
axisOptions = getTicksForLogPlots(axisOptions, plots);
return(picture(axisOptions, plots, $"{barPlotOptions},{axisOptions}", options));
}
/// <summary>
/// This creates a picture for a plot.
/// </summary>
/// <param name="axisOptions"></param>
/// <param name="plots"></param>
/// <param name="options">For sizing the picture.</param>
/// <returns></returns>
public string Picture(AxisOptions axisOptions, IEnumerable <Plot> plots, string options = null)
{
plots = plots.ToArray();
axisOptions = getTicksForLogPlots(axisOptions, plots);
return(picture(axisOptions, plots, axisOptions.ToString(), options));
}
private int getOffset(AxisOptions axisOptions)
{
var titleOffset = (string.IsNullOrEmpty(axisOptions.XLabel) ? 0 : 2);
return(((axisOptions.XTickLabelsRotateBy % 360 != 0) ? 8 : 1) + titleOffset);
}