private static string CoordinateTransform(AxisDescription axis, string axis_name)
{
if (axis.Breaks == null && axis.DiscreteBreaks == null && axis.BreakLabels == null &&
axis.CoordinateTransform == AxisDescription.CoordTransform.None)
{
return(string.Empty);
}
var breakData = string.Empty;
Func <string[], string[], string> FormatBreaks = (breaks, labels) => labels != null?
string.Format("breaks = c({0}), labels = c({1})",
string.Join(", ", breaks),
string.Join(", ", labels)) :
string.Format("breaks = c({0})",
string.Join(", ", breaks));
if (axis.Breaks != null)
{
breakData = FormatBreaks(axis.Breaks.Select(x => x.ToString()).ToArray(), axis.BreakLabels);
}
else if (axis.DiscreteBreaks != null)
{
breakData = FormatBreaks(axis.DiscreteBreaks, axis.BreakLabels);
}
else if (axis.BreakLabels != null)
{
breakData = string.Format("breaks = c('{0}')",
string.Join("', '", axis.BreakLabels));
}
var transformData = axis.CoordinateTransform == AxisDescription.CoordTransform.None ||
axis.CoordinateTransform == AxisDescription.CoordTransform.Discrete ?
string.Empty :
string.Format("trans=log{0}_trans()", axis.CoordinateTransformBase);
var limitData = (axis.Min != 0 || axis.Max != 0) && axis.Max > axis.Min ?
string.Format("limits=c({0}, {1})", axis.Min, axis.Max) :
string.Empty;
return(string.Format(
" scale_{0}_{1}({2}) + ",
axis_name,
axis.CoordinateTransform == AxisDescription.CoordTransform.Discrete ? "discrete" : "continuous",
string.Join(", ", new string[]
{
transformData,
breakData,
limitData,
}.Where(x => !string.IsNullOrEmpty(x)))));
}
public static string XCoordinateTransform(AxisDescription axis)
{
return(CoordinateTransform(axis, "x"));
}
