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#include "plot.h"
#include <stdlib.h>
#include <sstream>
#include <iostream>
Plot::Plot(const std::string& pdfFile)
: _curLineFd(-1),
_pdfFile(pdfFile),
_open(true),
_xAxisText("x"),
_yAxisText("y"),
_zAxisText("z"),
_xRangeHasMin(false),
_xRangeHasMax(false),
_yRangeHasMin(false),
_yRangeHasMax(false),
_zRangeHasMin(false),
_zRangeHasMax(false),
_cbRangeHasMin(false),
_cbRangeHasMax(false),
_xRangeMin(0.0),
_xRangeMax(0.0),
_yRangeMin(0.0),
_yRangeMax(0.0),
_zRangeMin(0.0),
_zRangeMax(0.0),
_cbRangeMin(0.0),
_cbRangeMax(0.0),
_clipZ(false),
_logX(false),
_logY(false),
_logZ(false),
_hasBoxes(false),
_fontSize(24) {}
Plot::~Plot() { Close(); }
void Plot::Close() {
if (_open) {
CloseCurFd();
char tmpPlotFile[] = "/tmp/plot.plt-XXXXXX";
const int fd = mkstemp(tmpPlotFile);
if (fd == -1) {
std::cerr << "mkstemp returned -1" << std::endl;
throw;
}
std::stringstream header;
header << "set term postscript enhanced color"; // font \"Helvetica"; <--
// that did not work with
// some gnuplots.
// if(_fontSize>0)
// header << "," << _fontSize;
// header << "\"";
header << "\nset title \"" << _title << '\"' << "\nset pm3d map" // at s
<< "\nset palette rgbformulae 33,13,10"
<< "\nset xlabel \"" << _xAxisText << '\"' << "\nset ylabel \""
<< _yAxisText << '\"' << "\nset cblabel \"" << _zAxisText << '\"'
<< "\nset datafile missing \"?\""
<< "\nset origin -0.05,-0.1"
<< "\nset size 1.0,1.2"
<< "\nset output \"" << _pdfFile << "\"";
for (std::vector<std::string>::const_iterator i = _extraHeaders.begin();
i != _extraHeaders.end(); ++i)
header << *i;
if (_logX) header << "\nset log x";
if (_logY) header << "\nset log y";
if (_logZ) header << "\nset log z";
if (_xRangeHasMin || _xRangeHasMax) {
header << "\nset xrange [";
if (_xRangeHasMin) header << _xRangeMin;
header << ":";
if (_xRangeHasMax) header << _xRangeMax;
header << "]";
}
if (_yRangeHasMin || _yRangeHasMax) {
header << "\nset yrange [";
if (_yRangeHasMin) header << _yRangeMin;
header << ":";
if (_yRangeHasMax) header << _yRangeMax;
header << "]";
}
if (_zRangeHasMin || _zRangeHasMax) {
header << "\nset zrange [";
if (_zRangeHasMin) header << _zRangeMin;
header << ":";
if (_zRangeHasMax) header << _zRangeMax;
header << "]";
}
if (_cbRangeHasMin || _cbRangeHasMax) {
header << "\nset cbrange [";
if (_cbRangeHasMin) header << _cbRangeMin;
header << ":";
if (_cbRangeHasMax) header << _cbRangeMax;
header << "]";
}
if (_hasBoxes) {
header << "\nset boxwidth 0.3";
}
if (_lineTypes.size() > 0) {
switch (_lineTypes[0]) {
case Line:
case Scatter:
case Boxes:
header << "\nplot \\";
break;
case Grid:
header << "\nsplot \\";
break;
}
for (unsigned i = 0; i < _lineFiles.size(); ++i) {
if (i != 0) header << ",\\";
switch (_lineTypes[i]) {
case Line:
header << "\n\"" << _lineFiles[i] << "\" using 1:2 title \""
<< _lineTitles[i] << "\" with lines lw 3";
break;
case Scatter:
header << "\n\"" << _lineFiles[i] << "\" using 1:2 title \""
<< _lineTitles[i] << "\" with points";
break;
case Boxes:
header << "\n\"" << _lineFiles[i] << "\" using 1:2 title \""
<< _lineTitles[i] << "\" with boxes fs solid 1.0";
break;
case Grid:
header << "\n\"" << _lineFiles[i]
<< "\" using ($1):($2):($3) title \"" << _lineTitles[i]
<< "\" with pm3d lw 3";
break;
}
}
header << "\n";
Write(fd, header.str());
std::cout << "gnuplot" << std::endl;
ExecuteCmd((std::string("gnuplot ") + tmpPlotFile).c_str());
std::cout << "mv" << std::endl;
ExecuteCmd(
(std::string("mv ") + _pdfFile + " " + _pdfFile + ".ps").c_str());
std::cout << "ps2pdf" << std::endl;
ExecuteCmd(
(std::string("ps2pdf ") + _pdfFile + ".ps " + _pdfFile).c_str());
std::cout << "rm" << std::endl;
ExecuteCmd((std::string("rm ") + _pdfFile + ".ps").c_str());
}
_open = false;
}
}
void Plot::Show() { ExecuteCmd((std::string("./kpdf ") + _pdfFile).c_str()); }
void Plot::CloseCurFd() {
if (_curLineFd != -1) {
close(_curLineFd);
}
}
void Plot::StartLine(const std::string& lineTitle) {
CloseCurFd();
char tmpLineFile[] = "/tmp/line.txt-XXXXXX";
_curLineFd = mkstemp(tmpLineFile);
if (_curLineFd == -1) {
std::cerr << "mkstemp returned -1" << std::endl;
throw;
}
_lineFiles.push_back(tmpLineFile);
_lineTitles.push_back(lineTitle);
_lineTypes.push_back(Line);
_curType = Line;
}
void Plot::StartScatter(const std::string& lineTitle) {
CloseCurFd();
char tmpLineFile[] = "/tmp/line.txt-XXXXXX";
_curLineFd = mkstemp(tmpLineFile);
if (_curLineFd == -1) {
std::cerr << "mkstemp returned -1" << std::endl;
throw;
}
_lineFiles.push_back(tmpLineFile);
_lineTitles.push_back(lineTitle);
_lineTypes.push_back(Scatter);
_curType = Scatter;
}
void Plot::StartBoxes(const std::string& lineTitle) {
_hasBoxes = true;
CloseCurFd();
char tmpLineFile[] = "/tmp/line.txt-XXXXXX";
_curLineFd = mkstemp(tmpLineFile);
if (_curLineFd == -1) {
std::cerr << "mkstemp returned -1" << std::endl;
throw;
}
_lineFiles.push_back(tmpLineFile);
_lineTitles.push_back(lineTitle);
_lineTypes.push_back(Boxes);
_curType = Boxes;
}
void Plot::StartGrid(const std::string& lineTitle) {
CloseCurFd();
char tmpLineFile[] = "/tmp/line.txt-XXXXXX";
_curLineFd = mkstemp(tmpLineFile);
if (_curLineFd == -1) {
std::cerr << "mkstemp returned -1" << std::endl;
throw;
}
_lineFiles.push_back(tmpLineFile);
_lineTitles.push_back(lineTitle);
_lineTypes.push_back(Grid);
_curType = Grid;
}
void Plot::PushDataPoint(long double x, long double y) {
if (_curLineFd == -1) throw;
std::stringstream s;
s << x << "\t" << y << std::endl;
Write(_curLineFd, s.str());
}
void Plot::PushDataPoint(long double x, long double y, long double z) {
if (_curLineFd == -1) throw;
if (_clipZ) {
if (_zRangeHasMin && z < _zRangeMin) z = _zRangeMin;
if (_zRangeHasMax && z > _zRangeMax) z = _zRangeMax;
}
std::stringstream s;
s << x << "\t" << y << "\t" << z << std::endl;
Write(_curLineFd, s.str());
}
void Plot::PushUnknownDataPoint(long double x, long double y) {
if (_curLineFd == -1) throw;
std::stringstream s;
s << x << "\t" << y << "\t?" << std::endl;
Write(_curLineFd, s.str());
}
void Plot::PushDataBlockEnd() { Write(_curLineFd, "\n"); }
void Plot::AddRectangle(long double x1, double y1, double x2, double y2) {
std::stringstream s;
s << "\nset object " << (_extraHeaders.size() + 1)
<< " "
"rectangle from "
<< x1 << "," << y1 << " to " << x2 << "," << y2
<< " front lw 0 fc rgb \"#FF00FF\" fillstyle solid 1.0 noborder";
_extraHeaders.push_back(s.str());
}
void Plot::ExecuteCmd(const std::string& cmd) const {
if (system(cmd.c_str()) != 0)
throw std::runtime_error("system() returned non-zero");
}
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