mirrors/gnss-sdr
1
0
Fork 0
mirror of https://github.com/gnss-sdr/gnss-sdr synced 2025-03-14 07:28:17 +00:00
Code Issues Releases Wiki Activity

Add constellation diagram plot

Browse Source
This commit is contained in:
Carles Fernandez 2017-10-24 14:23:59 +02:00
parent ac99ba5b75
commit 2c3ada26f2
3 changed files with 102 additions and 79 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

124
src/tests/common-files/gnuplot_i.h
View File

@ -51,19 +51,19 @@
#include <iostream>
#include <string>
#include <vector>
#include <fstream>
#include <fstream>
#include <sstream> // for std::ostringstream
#include <stdexcept>
#include <cstdio>
#include <stdexcept>
#include <cstdio>
#include <cstdlib> // for getenv()
#include <list> // for std::list
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__TOS_WIN__)
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__TOS_WIN__)
//defined for 32 and 64-bit environments
#include <io.h> // for _access(), _mktemp()
#define GP_MAX_TMP_FILES 27 // 27 temporary files it's Microsoft restriction
#elif defined(unix) || defined(__unix) || defined(__unix__) || defined(__APPLE__)
#elif defined(unix) || defined(__unix) || defined(__unix__) || defined(__APPLE__)
//all UNIX-like OSs (Linux, *BSD, MacOSX, Solaris, ...)
#include <unistd.h> // for access(), mkstemp()
#define GP_MAX_TMP_FILES 64
@ -266,24 +266,24 @@ public:
// ----------------------------------------------------------------------
/// \brief unset smooth
/// attention: smooth is not set by default
///
///
/// \param ---
///
///
/// \return <-- a reference to a gnuplot object
// ----------------------------------------------------------------------
inline Gnuplot& unset_smooth(){ smooth = ""; return *this;};
inline Gnuplot& unset_smooth(){ smooth = ""; return *this;};
/// scales the size of the points used in plots
Gnuplot& set_pointsize(const double pointsize = 1.0);
/// turns grid on/off
inline Gnuplot& set_grid() {cmd("set grid"); return *this;};
/// grid is not set by default
/// grid is not set by default
inline Gnuplot& unset_grid(){cmd("unset grid"); return *this;};
// -----------------------------------------------
/// set the mulitplot mode
///
///
/// \param ---
///
/// \return <-- reference to the gnuplot object
@ -292,7 +292,7 @@ public:
// -----------------------------------------------
/// unsets the mulitplot mode
///
///
/// \param ---
///
/// \return <-- reference to the gnuplot object
@ -320,7 +320,7 @@ public:
///
/// \return <-- reference to the gnuplot object
// ---------------------------------------------------------------------------
inline Gnuplot& unset_hidden3d(){cmd("unset hidden3d"); return *this;};
inline Gnuplot& unset_hidden3d(){cmd("unset hidden3d"); return *this;};
/// enables/disables contour drawing for surfaces (for 3d plot)
/// base, surface, both
@ -337,7 +337,7 @@ public:
// ------------------------------------------------------------
/// enables/disables the display of surfaces (for 3d plot)
///
/// \param ---
/// \param ---
///
/// \return <-- reference to the gnuplot object
// ------------------------------------------------------------------
@ -347,7 +347,7 @@ public:
/// surface is set by default,
/// it disables the display of surfaces (for 3d plot)
///
/// \param ---
/// \param ---
///
/// \return <-- reference to the gnuplot object
// ------------------------------------------------------------------
@ -356,25 +356,25 @@ public:
/// switches legend on/off
/// position: inside/outside, left/center/right, top/center/bottom, nobox/box
Gnuplot& set_legend(const std::string &position = "default");
Gnuplot& set_legend(const std::string &position = "default");
// ------------------------------------------------------------------
/// \brief Switches legend off
/// attention:legend is set by default
///
/// \param ---
/// \param ---
///
/// \return <-- reference to the gnuplot object
// ------------------------------------------------------------------
inline Gnuplot& unset_legend(){cmd("unset key"); return *this;}
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
/// \brief sets and clears the title of a gnuplot session
///
/// \param title --> the title of the plot [optional, default == ""]
///
/// \return <-- reference to the gnuplot object
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
inline Gnuplot& set_title(const std::string &title = "")
{
std::string cmdstr;
@ -410,7 +410,7 @@ public:
Gnuplot& set_zrange(const double iFrom, const double iTo);
/// autoscale axis (set by default) of xaxis
///
///
/// \param ---
///
/// \return <-- reference to the gnuplot object
@ -419,7 +419,7 @@ public:
// -----------------------------------------------
/// autoscale axis (set by default) of yaxis
///
///
/// \param ---
///
/// \return <-- reference to the gnuplot object
@ -428,7 +428,7 @@ public:
// -----------------------------------------------
/// autoscale axis (set by default) of zaxis
///
///
/// \param ---
///
/// \return <-- reference to the gnuplot object
@ -442,31 +442,31 @@ public:
/// turns on/off log scaling for the specified zaxis (logscale is not set by default)
Gnuplot& set_zlogscale(const double base = 10);
// -----------------------------------------------
// -----------------------------------------------
/// turns off log scaling for the x axis
///
///
/// \param ---
///
/// \return <-- reference to the gnuplot object
// -----------------------------------------------
// -----------------------------------------------
inline Gnuplot& unset_xlogscale(){cmd("unset logscale x"); return *this;};
// -----------------------------------------------
// -----------------------------------------------
/// turns off log scaling for the y axis
///
///
/// \param ---
///
/// \return <-- reference to the gnuplot object
// -----------------------------------------------
// -----------------------------------------------
inline Gnuplot& unset_ylogscale(){cmd("unset logscale y"); return *this;};
// -----------------------------------------------
// -----------------------------------------------
/// turns off log scaling for the z axis
///
///
/// \param ---
///
/// \return <-- reference to the gnuplot object
// -----------------------------------------------
// -----------------------------------------------
inline Gnuplot& unset_zlogscale(){cmd("unset logscale z"); return *this;};
/// set palette range (autoscale by default)
@ -490,10 +490,13 @@ public:
Gnuplot& plotfile_xy(const std::string &filename,
const unsigned int column_x = 1,
const unsigned int column_y = 2,
const std::string &title = "");
const std::string &title = "",
const unsigned int decimate = 1);
/// from data
template<typename X, typename Y>
Gnuplot& plot_xy(const X& x, const Y& y, const std::string &title = "");
Gnuplot& plot_xy(const X& x, const Y& y,
const std::string &title = "",
const unsigned int decimate = 1);
/// plot x,y pairs with dy errorbars: x y dy
/// from file
@ -555,7 +558,7 @@ public:
///\brief replot repeats the last plot or splot command.
/// this can be useful for viewing a plot with different set options,
/// or when generating the same plot for several devices (showonscreen, savetops)
///
///
/// \param ---
///
/// \return ---
@ -573,12 +576,12 @@ public:
// -------------------------------------------------------------------
/// \brief Is the gnuplot session valid ??
///
///
///
/// \param ---
///
///
/// \return true if valid, false if not
// -------------------------------------------------------------------
// -------------------------------------------------------------------
inline bool is_valid(){return(valid);};
};
@ -724,7 +727,7 @@ Gnuplot& Gnuplot::plot_x(const X& x, const std::string &title)
/// Plots a 2d graph from a list of doubles: x y
//
template<typename X, typename Y>
Gnuplot& Gnuplot::plot_xy(const X& x, const Y& y, const std::string &title)
Gnuplot& Gnuplot::plot_xy(const X& x, const Y& y, const std::string &title, const unsigned int decimate)
{
if (x.size() == 0 || y.size() == 0)
{
@ -752,7 +755,7 @@ Gnuplot& Gnuplot::plot_xy(const X& x, const Y& y, const std::string &title)
tmp.flush();
tmp.close();
plotfile_xy(name, 1, 2, title);
plotfile_xy(name, 1, 2, title, decimate);
return *this;
}
@ -1483,7 +1486,8 @@ Gnuplot& Gnuplot::plotfile_x(const std::string &filename,
Gnuplot& Gnuplot::plotfile_xy(const std::string &filename,
const unsigned int column_x,
const unsigned int column_y,
const std::string &title)
const std::string &title,
const unsigned int decimate)
{
//
// check if file exists
@ -1499,7 +1503,7 @@ Gnuplot& Gnuplot::plotfile_xy(const std::string &filename,
else
cmdstr << "plot ";
cmdstr << "\"" << filename << "\" using " << column_x << ":" << column_y;
cmdstr << "\"" << filename << "\" using " << column_x << ":" << column_y << " every " << std::to_string(decimate);
if (title == "")
cmdstr << " notitle ";
@ -1544,7 +1548,7 @@ Gnuplot& Gnuplot::plotfile_xy_err(const std::string &filename,
else
cmdstr << "plot ";
cmdstr << "\"" << filename << "\" using "
cmdstr << "\"" << filename << "\" using "
<< column_x << ":" << column_y << ":" << column_dy
<< " with errorbars ";
@ -1586,7 +1590,7 @@ Gnuplot& Gnuplot::plotfile_xyz(const std::string &filename,
else
cmdstr << "splot ";
cmdstr << "\"" << filename << "\" using " << column_x << ":" << column_y
cmdstr << "\"" << filename << "\" using " << column_x << ":" << column_y
<< ":" << column_z;
if (title == "")
@ -1701,15 +1705,15 @@ Gnuplot& Gnuplot::cmd(const std::string &cmdstr)
// int fputs ( const char * str, FILE * stream );
// writes the string str to the stream.
// The function begins copying from the address specified (str) until it
// reaches the terminating null character ('\0'). This final
// The function begins copying from the address specified (str) until it
// reaches the terminating null character ('\0'). This final
// null-character is not copied to the stream.
fputs( (cmdstr+"\n").c_str(), gnucmd );
// int fflush ( FILE * stream );
// If the given stream was open for writing and the last i/o operation was
// an output operation, any unwritten data in the output buffer is written
// to the file. If the argument is a null pointer, all open files are
// If the given stream was open for writing and the last i/o operation was
// an output operation, any unwritten data in the output buffer is written
// to the file. If the argument is a null pointer, all open files are
// flushed. The stream remains open after this call.
fflush(gnucmd);
@ -1739,8 +1743,8 @@ Gnuplot& Gnuplot::cmd(const std::string &cmdstr)
void Gnuplot::init()
{
// char * getenv ( const char * name ); get value of environment variable
// Retrieves a C string containing the value of the environment variable
// whose name is specified as argument. If the requested variable is not
// Retrieves a C string containing the value of the environment variable
// whose name is specified as argument. If the requested variable is not
// part of the environment list, the function returns a NULL pointer.
#if ( defined(unix) || defined(__unix) || defined(__unix__) ) && !defined(__APPLE__)
if (getenv("DISPLAY") == NULL)
@ -1760,12 +1764,12 @@ void Gnuplot::init()
//
// open pipe
//
std::string tmp = Gnuplot::m_sGNUPlotPath + "/" +
std::string tmp = Gnuplot::m_sGNUPlotPath + "/" +
Gnuplot::m_sGNUPlotFileName;
// FILE *popen(const char *command, const char *mode);
// The popen() function shall execute the command specified by the string
// command, create a pipe between the calling program and the executed
// The popen() function shall execute the command specified by the string
// command, create a pipe between the calling program and the executed
// command, and return a pointer to a stream that can be used to either read
// from or write to the pipe.
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__TOS_WIN__)
@ -1775,7 +1779,7 @@ void Gnuplot::init()
#endif
// popen() shall return a pointer to an open stream that can be used to read
// or write to the pipe. Otherwise, it shall return a null pointer and may
// or write to the pipe. Otherwise, it shall return a null pointer and may
// set errno to indicate the error.
if (!gnucmd)
{
@ -1803,7 +1807,7 @@ bool Gnuplot::get_program_path()
//
// first look in m_sGNUPlotPath for Gnuplot
//
std::string tmp = Gnuplot::m_sGNUPlotPath + "/" +
std::string tmp = Gnuplot::m_sGNUPlotPath + "/" +
Gnuplot::m_sGNUPlotFileName;
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__TOS_WIN__)
@ -1880,7 +1884,7 @@ bool Gnuplot::file_exists(const std::string &filename, int mode)
// int _access(const char *path, int mode);
// returns 0 if the file has the given mode,
// it returns -1 if the named file does not exist or is not accessible in
// it returns -1 if the named file does not exist or is not accessible in
// the given mode
// mode = 0 (F_OK) (default): checks file for existence only
// mode = 1 (X_OK): execution permission
@ -1952,12 +1956,12 @@ std::string Gnuplot::create_tmpfile(std::ofstream &tmp)
// int mkstemp(char *name);
// shall replace the contents of the string pointed to by "name" by a unique
// filename, and return a file descriptor for the file open for reading and
// writing. Otherwise, -1 shall be returned if no suitable file could be
// created. The string in template should look like a filename with six
// trailing 'X' s; mkstemp() replaces each 'X' with a character from the
// filename, and return a file descriptor for the file open for reading and
// writing. Otherwise, -1 shall be returned if no suitable file could be
// created. The string in template should look like a filename with six
// trailing 'X' s; mkstemp() replaces each 'X' with a character from the
// portable filename character set. The characters are chosen such that the
// resulting name does not duplicate the name of an existing file at the
// resulting name does not duplicate the name of an existing file at the
// time of a call to mkstemp()
//

2
src/tests/common-files/test_flags.h
View File

@ -39,4 +39,6 @@
DEFINE_string(gnuplot_executable, "", "Gnuplot binary path");
#endif
DEFINE_int32(plot_decimate, 1, "Decimate plots");
#endif

55
src/tests/unit-tests/signal-processing-blocks/tracking/gps_l1_ca_dll_pll_tracking_test.cc
View File

@ -32,6 +32,7 @@
#include <chrono>
#include <iostream>
//#include <memory>
#include <unistd.h>
#include <vector>
#include <armadillo>
@ -50,8 +51,6 @@
#include "tracking_interface.h"
#include "in_memory_configuration.h"
#include "gnss_synchro.h"
//#include "gps_l1_ca_dll_pll_tracking.h"
#include "gps_l1_ca_dll_pll_c_aid_tracking.h"
#include "tracking_true_obs_reader.h"
#include "tracking_dump_reader.h"
#include "signal_generator_flags.h"
@ -127,6 +126,8 @@ public:
std::string p4;
std::string p5;
std::string implementation = "GPS_L1_CA_DLL_PLL_Tracking"; //"GPS_L1_CA_DLL_PLL_C_Aid_Tracking";
const int baseband_sampling_freq = FLAGS_fs_gen_sps;
std::string filename_rinex_obs = FLAGS_filename_rinex_obs;
@ -222,14 +223,14 @@ void GpsL1CADllPllTrackingTest::configure_receiver()
config->set_property("GNSS-SDR.internal_fs_sps", std::to_string(baseband_sampling_freq));
// Set Tracking
config->set_property("Tracking_1C.implementation", "GPS_L1_CA_DLL_PLL_Tracking");
config->set_property("Tracking_1C.implementation", implementation);
config->set_property("Tracking_1C.item_type", "gr_complex");
config->set_property("Tracking_1C.if", "0");
config->set_property("Tracking_1C.dump", "true");
config->set_property("Tracking_1C.dump_filename", "./tracking_ch_");
config->set_property("Tracking_1C.pll_bw_hz", "30.0");
config->set_property("Tracking_1C.pll_bw_hz", "20.0");
config->set_property("Tracking_1C.dll_bw_hz", "2.0");
config->set_property("Tracking_1C.early_late_space_chips", "0.5");
config->set_property("Tracking_1C.extend_correlation_ms", "1");
config->set_property("Tracking_1C.dump", "true");
config->set_property("Tracking_1C.dump_filename", "./tracking_ch_");
}
@ -383,18 +384,17 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
}) << "Failure opening true observables file" << std::endl;
top_block = gr::make_top_block("Tracking test");
//std::shared_ptr<TrackingInterface> tracking = std::make_shared<GpsL1CaDllPllTracking>(config.get(), "Tracking_1C", 1, 1);
std::shared_ptr<TrackingInterface> tracking = std::make_shared<GpsL1CaDllPllCAidTracking>(config.get(), "Tracking_1C", 1, 1);
std::shared_ptr<GNSSBlockInterface> trk_ = factory->GetBlock(config, "Tracking_1C", implementation, 1, 1);
std::shared_ptr<TrackingInterface> tracking = std::dynamic_pointer_cast<TrackingInterface>(trk_);//std::make_shared<GpsL1CaDllPllCAidTracking>(config.get(), "Tracking_1C", 1, 1);
boost::shared_ptr<GpsL1CADllPllTrackingTest_msg_rx> msg_rx = GpsL1CADllPllTrackingTest_msg_rx_make();
// load acquisition data based on the first epoch of the true observations
ASSERT_NO_THROW({
if (true_obs_data.read_binary_obs() == false)
{
throw std::exception();
};
}) << "Failure reading true observables file" << std::endl;
ASSERT_EQ(true_obs_data.read_binary_obs(), true)
<< "Failure reading true tracking dump file." << std::endl
<< "Maybe sat PRN #" + std::to_string(FLAGS_test_satellite_PRN) +
" is not available?";
//restart the epoch counter
true_obs_data.restart();
@ -479,6 +479,8 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
std::vector<double> prompt;
std::vector<double> early;
std::vector<double> late;
std::vector<double> promptI;
std::vector<double> promptQ;
epoch_counter = 0;
while(trk_dump.read_binary_obs())
@ -495,6 +497,8 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
prompt.push_back(trk_dump.abs_P);
early.push_back(trk_dump.abs_E);
late.push_back(trk_dump.abs_L);
promptI.push_back(trk_dump.prompt_I);
promptQ.push_back(trk_dump.prompt_Q);
}
//Align initial measurements and cut the tracking pull-in transitory
@ -511,7 +515,7 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
check_results_acc_carrier_phase(true_timestamp_s, true_acc_carrier_phase_cycles, trk_timestamp_s, trk_acc_carrier_phase_cycles);
std::chrono::duration<double> elapsed_seconds = end - start;
std::cout << "Signal tracking completed in " << elapsed_seconds.count() * 1e6 << " microseconds" << std::endl;
std::cout << "Signal tracking completed in " << elapsed_seconds.count() * 1e6 << " microseconds" << std::endl;
if(FLAGS_plot_gps_l1_tracking_test == true)
{
@ -544,12 +548,25 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
g1.set_xlabel("Time [s]");
g1.set_ylabel("Correlators' output");
g1.cmd("set key box opaque");
g1.plot_xy( timevec, prompt, "Prompt");
g1.plot_xy( timevec, early, "Early");
g1.plot_xy( timevec, late, "Late");
unsigned int decimate = static_cast<unsigned int>(FLAGS_plot_decimate);
g1.plot_xy( timevec, prompt, "Prompt", decimate);
g1.plot_xy( timevec, early, "Early", decimate);
g1.plot_xy( timevec, late, "Late", decimate);
g1.savetops("Correlators_outputs");
g1.savetopdf("Correlators_outputs", 18);
g1.showonscreen(); // window output
Gnuplot g2("points");
g2.set_title("Constellation diagram (satellite PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
g2.set_grid();
g2.set_xlabel("Inphase");
g2.set_ylabel("Quadrature");
g2.cmd("set size ratio -1");
g2.plot_xy( promptI, promptQ);
g2.savetops("Constellation");
g2.savetopdf("Constellation", 18);
g2.showonscreen(); // window output
}
catch (GnuplotException ge)
{