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|
/***********************************************/
/**
* @file plotAxis.cpp
*
* @brief Axis ticks, limits and labels.
*
* @author Andreas Kvas
* @author Torsten Mayer-Guerr
* @date 2016-07-23
*
*/
/***********************************************/
#define DOCSTRING_PlotAxis
#include "base/import.h"
#include "config/configRegister.h"
#include "plot/plotMisc.h"
#include "plotAxis.h"
#include "inputOutput/file.h"
#include "inputOutput/system.h"
/***********************************************/
static const char *docstringPlotAxisStandard = R"(
\subsection{Standard}
General axis for arbitrary input data.
)";
/***** CLASS ***********************************/
class PlotAxisStandard : public PlotAxis
{
Double annotation, frame, grid;
std::string unit, label;
Bool isLog;
public:
PlotAxisStandard(Config &config);
void setAutoInterval(Double minAuto, Double maxAuto);
std::string axisModifier() const {return isLog ? "l" : "";}
std::string scriptEntry(const std::string &axis, Bool withGrid) const;
Bool isLogarithmic() const {return isLog;}
};
/***********************************************/
PlotAxisStandard::PlotAxisStandard(Config &config)
{
try
{
vMin = NAN_EXPR;
vMax = NAN_EXPR;
annotation = NAN_EXPR;
frame = NAN_EXPR;
grid = NAN_EXPR;
renameDeprecatedConfig(config, "annotation", "majorTickSpacing", date2time(2020, 4, 23));
renameDeprecatedConfig(config, "frame", "minorTickSpacing", date2time(2020, 4, 23));
renameDeprecatedConfig(config, "grid", "gridLineSpacing", date2time(2020, 4, 23));
readConfig(config, "min", vMin, Config::OPTIONAL, "", "The minimum value of the axis. If no value is given, the minimum scale value is set automatically.");
readConfig(config, "max", vMax, Config::OPTIONAL, "", "The maximum value of the axis. If no value is given, the maximum scale value is set automatically.");
readConfig(config, "majorTickSpacing", annotation, Config::OPTIONAL, "", "The boundary annotation.");
readConfig(config, "minorTickSpacing", frame, Config::OPTIONAL, "", "The spacing of the frame tick intervals.");
readConfig(config, "gridLineSpacing", grid, Config::OPTIONAL, "", "The spacing of the grid line intervals");
readConfig(config, "gridLine", gridLine, Config::OPTIONAL, R"({"solid": {"width":"0.25", "color":"gray"}})", "The style of the grid lines.");
readConfig(config, "unit", unit, Config::OPTIONAL, "", "Naming unit to append to the axis values.");
readConfig(config, "label", label, Config::OPTIONAL, "", "The description of the axis.");
readConfig(config, "logarithmic", isLog, Config::DEFAULT, "0", "If set to 'yes', a logarithmic scale is used for the axis.");
readConfig(config, "color", color, Config::MUSTSET, "", "Setting the color of the axis bars and labels.");
readConfig(config, "changeDirection", changeDirection, Config::DEFAULT, "0", "If set to 'yes', the directions right/up are changed to left/down.");
if(isCreateSchema(config)) return;
margin = 0.5;
if(!label.empty())
margin += 0.3;
if(!gridLine)
grid = 0;
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
void PlotAxisStandard::setAutoInterval(Double minAuto, Double maxAuto)
{
try
{
if(std::isnan(vMin)) vMin = minAuto;
if(std::isnan(vMax)) vMax = maxAuto;
if(vMin == vMax)
{
vMin *= 0.9;
vMax *= 1.1;
if(vMin == 0.0)
{
vMin = -1.0;
vMax = +1.0;
}
}
if(vMin > vMax) std::swap(vMin, vMax);
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
std::string PlotAxisStandard::scriptEntry(const std::string &axis, Bool withGrid) const
{
try
{
std::stringstream ss;
ss<<" --MAP_DEFAULT_PEN=+"<<color->str()<<" --FONT_ANNOT_PRIMARY="<<color->str()<<" --FONT_LABEL="<<color->str();
if(gridLine) ss<<" --MAP_GRID_PEN_PRIMARY="<<gridLine->str();
ss<<" -B"<<axis<<PlotBasics::axisTicks(isLog, vMin, vMax, annotation, frame, (withGrid) ? grid : 0, unit, label);
return ss.str();
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
/***********************************************/
static const char *docstringPlotAxisTime = R"(
\subsection{Time}
The input data are interpreted as MJD (modified Julian date).
The unit of the tick spacings should be appenend to the number and can be any of
\begin{itemize}
\item Y (year, plot with 4 digits)
\item y (year, plot with 2 digits)
\item O (month, plot using \verb|FORMAT_DATE_MAP|)
\item o (month, plot with 2 digits)
\item U (ISO week, plot using \verb|FORMAT_DATE_MAP|)
\item u (ISO week, plot using 2 digits)
\item r (Gregorian week, 7-day stride from start of week \verb|TIME_WEEK_START|)
\item K (ISO weekday, plot name of day)
\item D (date, plot using \verb|FORMAT_DATE_MAP|)
\item d (day, plot day of month 0-31 or year 1-366, via \verb|FORMAT_DATE_MAP|)
\item R (day, same as d, aligned with \verb|TIME_WEEK_START|)
\item H (hour, plot using \verb|FORMAT_CLOCK_MAP|)
\item h (hour, plot with 2 digits)
\item M (minute, plot using \verb|FORMAT_CLOCK_MAP|)
\item m (minute, plot with 2 digits)
\item S (second, plot using \verb|FORMAT_CLOCK_MAP|)
\item s (second, plot with 2 digits).
\end{itemize}
A secondary time axis can be added to specify larger intervals (e.g dates of hourly data).
Examples: Settings for Fig.~\ref{plotAxisType:plotAxisTime1}: \config{majorTickSpacing}=\verb|6H|, secondary: \config{majorTickSpacing}=\verb|1D|.
\fig{!hb}{1.0}{plotAxisTime1}{plotAxisType:plotAxisTime1}{Time axis for daily data.}
Settings for Fig.~\ref{plotAxisType:plotAxisTime2}: \config{majorTickSpacing}=\verb|2d|, secondary: \config{majorTickSpacing}=\verb|1O|, \config{options}=\verb|FORMAT_DATE_MAP="o yyyy"|.
\fig{!hb}{1.0}{plotAxisTime2}{plotAxisType:plotAxisTime2}{Time axis for monthly data.}
Settings for Fig.~\ref{plotAxisType:plotAxisTime3}: \config{majorTickSpacing}=\verb|1o|, secondary: \config{majorTickSpacing}=\verb|1Y|, \config{options}=\verb|FORMAT_DATE_MAP="mm"|.
\fig{!hb}{1.0}{plotAxisTime3}{plotAxisType:plotAxisTime3}{Time axis for yearly data.}
)";
/***** CLASS ***********************************/
class PlotAxisTime : public PlotAxis
{
std::string annotation, grid, frame;
std::string annotation2, grid2, frame2;
std::string optionsString;
public:
PlotAxisTime(Config &config);
void setAutoInterval(Double minAuto, Double maxAuto);
std::string axisModifier() const {return "t";}
std::string scriptEntry(const std::string &axis, Bool withGrid) const;
};
/***********************************************/
PlotAxisTime::PlotAxisTime(Config &config)
{
try
{
Time minTime, maxTime;
std::vector<std::string> options;
renameDeprecatedConfig(config, "annotation", "majorTickSpacing", date2time(2020, 4, 23));
renameDeprecatedConfig(config, "frame", "minorTickSpacing", date2time(2020, 4, 23));
renameDeprecatedConfig(config, "grid", "gridLineSpacing", date2time(2020, 4, 23));
readConfig(config, "min", minTime, Config::OPTIONAL, "", "The minimum value of the time axis. If no value is given, the minimum scale value is set automatically.");
readConfig(config, "max", maxTime, Config::OPTIONAL, "", "The maximum value of the time axis. If no value is given, the maximum scale value is set automatically.");
readConfig(config, "majorTickSpacing", annotation, Config::OPTIONAL, "2o", "Y: year, o: month");
readConfig(config, "minorTickSpacing", frame, Config::OPTIONAL, "1o", "D: date, d: day");
readConfig(config, "gridLineSpacing", grid, Config::OPTIONAL, "", "H: clock, h: hour, m: minute, s: second");
if(readConfigSequence(config, "secondary", Config::OPTIONAL, "", "secondary time axis"))
{
renameDeprecatedConfig(config, "annotation", "majorTickSpacing", date2time(2020, 4, 23));
renameDeprecatedConfig(config, "frame", "minorTickSpacing", date2time(2020, 4, 23));
renameDeprecatedConfig(config, "grid", "gridLineSpacing", date2time(2020, 4, 23));
readConfig(config, "majorTickSpacing", annotation2, Config::OPTIONAL, "1Y", "Y: year, o: month");
readConfig(config, "minorTickSpacing", frame2, Config::OPTIONAL, "", "D: date, d: day");
readConfig(config, "gridLineSpacing", grid2, Config::OPTIONAL, "1Y", "H: clock, h: hour, m: minute, s: second");
endSequence(config);
}
readConfig(config, "color", color, Config::MUSTSET, "", "color of axis bars and labels");
readConfig(config, "gridLine", gridLine, Config::OPTIONAL, R"({"solid": {"width":"0.25", "color":"gray"}})", "The style of the grid lines.");
readConfig(config, "changeDirection", changeDirection, Config::DEFAULT, "0", "right->left / up->down");
readConfig(config, "options", options, Config::OPTIONAL, R"(["FORMAT_DATE_MAP=yyyy-mm-dd", "FORMAT_CLOCK_MAP=hh:mm"])", "adjust date format");
if(isCreateSchema(config)) return;
vMin = NAN_EXPR;
vMax = NAN_EXPR;
if(maxTime != Time()) vMax = maxTime.mjd();
if(minTime != Time()) vMin = minTime.mjd();
for(UInt i=0; i<options.size(); i++)
if(!options.at(i).empty())
optionsString += " --"+options.at(i);
margin = 0.5;
if(!(annotation2.empty() && frame2.empty() && grid2.empty()))
margin +=0.3;
if(!gridLine)
{
grid = "";
grid2 = "";
}
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
void PlotAxisTime::setAutoInterval(Double minAuto, Double maxAuto)
{
try
{
if(std::isnan(vMin)) vMin = minAuto;
if(std::isnan(vMax)) vMax = maxAuto;
if(vMin > vMax) std::swap(vMin, vMax);
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
std::string PlotAxisTime::scriptEntry(const std::string &axis, Bool withGrid) const
{
try
{
std::string intervals;
{
std::stringstream ss;
if(!annotation.empty()) ss<<"a"<<annotation;
if(!frame.empty()) ss<<"f"<<frame;
if(!grid.empty() && withGrid) ss<<"g"<<grid;
intervals = ss.str();
}
std::string intervals2;
{
std::stringstream ss;
if(!annotation2.empty()) ss<<"a"<<annotation2;
if(!frame2.empty()) ss<<"f"<<frame2;
if(!grid2.empty() && withGrid) ss<<"g"<<grid2;
intervals2 = ss.str();
}
std::stringstream ss;
ss<<" --MAP_DEFAULT_PEN=+"<<color->str()<<" --FONT_ANNOT_PRIMARY="<<color->str()<<" --FONT_LABEL="<<color->str();
if(gridLine) ss<<" --MAP_GRID_PEN_PRIMARY="<<gridLine->str();
ss<<optionsString;
if(intervals2.empty())
ss<<" -B"<<axis<<intervals;
else
ss<<" -Bp"<<axis<<intervals<<" -Bs"<<axis<<intervals2;
return ss.str();
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
/***********************************************/
static const char *docstringPlotAxisLabeled = R"(
\subsection{Labeled}
Axis with string labels. The coordinate system is based on the label indices (e.g. 0, 1, 2).
)";
/***** CLASS ***********************************/
class PlotAxisLabeled : public PlotAxis
{
std::vector<std::string> labels;
Double annotation, frame, grid;
Bool orthoLabels;
FileName dataFileName;
public:
PlotAxisLabeled(Config &config);
void setAutoInterval(Double minAuto, Double maxAuto);
void writeDataFile(const FileName &workingDirectory, const std::string &axis);
std::string axisModifier() const {return "";}
std::string scriptEntry(const std::string &axis, Bool withGrid) const;
};
/***********************************************/
PlotAxisLabeled::PlotAxisLabeled(Config &config)
{
try
{
ExpressionVariablePtr exprMin, exprMax, exprAnnotation, exprFrame, exprGrid;
vMin = vMax = NAN_EXPR;
annotation = 1;
frame = 1;
grid = 1;
readConfig(config, "labels", labels, Config::MUSTSET, "", "tick labels (ticks are placed at their index. e.g. 0, 1, ..., 5)");
readConfig(config, "min", exprMin, Config::OPTIONAL, "0", "minimum value of the axis");
readConfig(config, "max", exprMax, Config::OPTIONAL, "labelCount-1", "maximum values of the axis");
readConfig(config, "majorTickSpacing", exprAnnotation, Config::OPTIONAL, "1", "The boundary annotation.");
readConfig(config, "minorTickSpacing", exprFrame, Config::OPTIONAL, "1", "The spacing of the frame tick intervals.");
readConfig(config, "gridLineSpacing", exprGrid, Config::OPTIONAL, "1", "The spacing of the grid line intervals");
readConfig(config, "gridLine", gridLine, Config::OPTIONAL, R"({"solid": {"width":"0.25", "color":"gray"}})", "The style of the grid lines.");
readConfig(config, "color", color, Config::MUSTSET, "", "set the color of the axis and labels");
readConfig(config, "orthogonalLabels", orthoLabels, Config::DEFAULT, "0", "labels are oriented orthogonal to axis");
readConfig(config, "changeDirection", changeDirection, Config::DEFAULT, "0", "If set to 'yes', the directions right/up are changed to left/down.");
if(isCreateSchema(config)) return;
margin = 0.5;
VariableList variableList;
variableList.setVariable("labelCount", static_cast<Double>(labels.size()));
if(exprMin) vMin = exprMin->evaluate(variableList) - 0.5;
if(exprMax) vMax = exprMax->evaluate(variableList) + 0.5;
if(exprAnnotation) annotation = exprAnnotation->evaluate(variableList);
if(exprFrame) frame = exprFrame->evaluate(variableList);
if(exprGrid) grid = exprGrid->evaluate(variableList);
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
void PlotAxisLabeled::setAutoInterval(Double minAuto, Double maxAuto)
{
try
{
if(minAuto > maxAuto) std::swap(minAuto, maxAuto);
if(std::isnan(vMin)) vMin = minAuto;
if(std::isnan(vMax)) vMax = maxAuto;
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
void PlotAxisLabeled::writeDataFile(const FileName &workingDirectory, const std::string &axis)
{
try
{
std::vector<std::pair<Double, std::string>> lines;
for(UInt k=0; k<labels.size(); k++)
if((vMin <= k) && (k <= vMax) && (std::fmod(k, annotation) == 0))
lines.push_back(std::pair<Double, std::string>(k, " a "s+labels.at(k)));
if(frame > 0)
for(Double k=vMin-std::fmod(vMin, frame); k<=vMax; k+=frame)
lines.push_back(std::pair<Double, std::string>(k, " f"));
if(gridLine && (grid > 0))
for(Double k=vMin-std::fmod(vMin, grid); k<=vMax; k+=grid)
lines.push_back(std::pair<Double, std::string>(k, " g"));
std::sort(lines.begin(), lines.end(), [](auto &a, auto &b){return a.first < b.first;});
dataFileName = "labels."+axis+".txt";
OutFile file(workingDirectory.append(dataFileName));
for(auto &line : lines)
file<<line.first<<line.second<<std::endl;
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
std::string PlotAxisLabeled::scriptEntry(const std::string &axis, Bool /*withGrid*/) const
{
try
{
std::stringstream ss;
ss<<" --MAP_DEFAULT_PEN=+"<<color->str()<<" --FONT_ANNOT_PRIMARY="<<color->str()<<" --FONT_LABEL="<<color->str()<<" -B"<<axis<<"c"<<dataFileName;
if(gridLine) ss<<" --MAP_GRID_PEN_PRIMARY="<<gridLine->str();
if(orthoLabels)
ss<<" --MAP_ANNOT_ORTHO=ns";
return ss.str();
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
/***********************************************/
GROOPS_REGISTER_CLASS(PlotAxis, "plotAxisType",
PlotAxisStandard,
PlotAxisTime,
PlotAxisLabeled)
GROOPS_READCONFIG_CLASS(PlotAxis, "plotAxisType")
/***********************************************/
PlotAxisPtr PlotAxis::create(Config &config, const std::string &name)
{
try
{
PlotAxisPtr plotAxis;
std::string type;
readConfigChoice(config, name, type, Config::MUSTSET, "", "axis limits, labels and annotation");
if(readConfigChoiceElement(config, "standard", type, "generic x/y axis"))
plotAxis = PlotAxisPtr(new PlotAxisStandard(config));
if(readConfigChoiceElement(config, "time", type, "intepret x-values as MJD"))
plotAxis = PlotAxisPtr(new PlotAxisTime(config));
if(readConfigChoiceElement(config, "labeled", type, "major ticks with string labels"))
plotAxis = PlotAxisPtr(new PlotAxisLabeled(config));
endChoice(config);
return plotAxis;
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
|
