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sdrangel/plugins/feature/startracker/startracker.cpp
Jon Beniston cddc8c9b83 Star Tracker updates. 
Plot Sun and Moon on sky temperature chart.
Plot markers on Galactic line-of-sight chart.
Create animations from Galactic line-of-sight chart.
Allow weather at antenna location to be downloaded from openweathermap.org
Allow target to be entered as Galactic longitude / latitude.
Add azimuth and elevation offsets to support scans around targets.
Add S7, S8 and S9 targets.
Refactor some code from GUI to main plugin, so computed values can be used in other plugins.
2021-10-12 11:07:56 +01:00

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2021 Jon Beniston, M7RCE //
// Copyright (C) 2020 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QDebug>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QBuffer>
#include "SWGFeatureSettings.h"
#include "SWGFeatureReport.h"
#include "SWGFeatureActions.h"
#include "SWGDeviceState.h"
#include "SWGStarTrackerDisplaySettings.h"
#include "dsp/dspengine.h"
#include "util/weather.h"
#include "util/units.h"
#include "maincore.h"
#include "startrackerreport.h"
#include "startrackerworker.h"
#include "startracker.h"
MESSAGE_CLASS_DEFINITION(StarTracker::MsgConfigureStarTracker, Message)
MESSAGE_CLASS_DEFINITION(StarTracker::MsgStartStop, Message)
MESSAGE_CLASS_DEFINITION(StarTracker::MsgSetSolarFlux, Message)
const char* const StarTracker::m_featureIdURI = "sdrangel.feature.startracker";
const char* const StarTracker::m_featureId = "StarTracker";
StarTracker::StarTracker(WebAPIAdapterInterface *webAPIAdapterInterface) :
Feature(m_featureIdURI, webAPIAdapterInterface)
{
qDebug("StarTracker::StarTracker: webAPIAdapterInterface: %p", webAPIAdapterInterface);
setObjectName(m_featureId);
m_worker = new StarTrackerWorker(this, webAPIAdapterInterface);
m_state = StIdle;
m_errorMessage = "StarTracker error";
connect(&m_updatePipesTimer, SIGNAL(timeout()), this, SLOT(updatePipes()));
m_updatePipesTimer.start(1000);
m_networkManager = new QNetworkAccessManager();
connect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
m_weather = nullptr;
m_solarFlux = 0.0f;
// Unfortunately, can't seem to access resources in static global constructor
m_temps.append(new FITS(":/startracker/startracker/150mhz_ra_dec.fits"));
m_temps.append(new FITS(":/startracker/startracker/408mhz_ra_dec.fits"));
m_temps.append(new FITS(":/startracker/startracker/1420mhz_ra_dec.fits"));
m_spectralIndex = new FITS(":/startracker/startracker/408mhz_ra_dec_spectral_index.fits");
}
StarTracker::~StarTracker()
{
disconnect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
delete m_networkManager;
if (m_worker->isRunning()) {
stop();
}
delete m_worker;
if (m_weather)
{
disconnect(m_weather, &Weather::weatherUpdated, this, &StarTracker::weatherUpdated);
delete m_weather;
}
qDeleteAll(m_temps);
delete m_spectralIndex;
}
void StarTracker::start()
{
qDebug("StarTracker::start");
m_worker->reset();
m_worker->setMessageQueueToFeature(getInputMessageQueue());
m_worker->setMessageQueueToGUI(getMessageQueueToGUI());
bool ok = m_worker->startWork();
m_state = ok ? StRunning : StError;
m_thread.start();
m_worker->getInputMessageQueue()->push(StarTrackerWorker::MsgConfigureStarTrackerWorker::create(m_settings, true));
m_worker->getInputMessageQueue()->push(MsgSetSolarFlux::create(m_solarFlux));
}
void StarTracker::stop()
{
qDebug("StarTracker::stop");
m_worker->stopWork();
m_state = StIdle;
m_thread.quit();
m_thread.wait();
}
bool StarTracker::handleMessage(const Message& cmd)
{
if (MsgConfigureStarTracker::match(cmd))
{
MsgConfigureStarTracker& cfg = (MsgConfigureStarTracker&) cmd;
qDebug() << "StarTracker::handleMessage: MsgConfigureStarTracker";
applySettings(cfg.getSettings(), cfg.getForce());
return true;
}
else if (MsgStartStop::match(cmd))
{
MsgStartStop& cfg = (MsgStartStop&) cmd;
qDebug() << "StarTracker::handleMessage: MsgStartStop: start:" << cfg.getStartStop();
if (cfg.getStartStop()) {
start();
} else {
stop();
}
return true;
}
else if (MsgSetSolarFlux::match(cmd))
{
MsgSetSolarFlux& msg = (MsgSetSolarFlux&) cmd;
m_solarFlux = msg.getFlux();
m_worker->getInputMessageQueue()->push(new MsgSetSolarFlux(msg));
return true;
}
else if (MainCore::MsgStarTrackerDisplaySettings::match(cmd))
{
MainCore::MsgStarTrackerDisplaySettings& settings = (MainCore::MsgStarTrackerDisplaySettings&) cmd;
if (m_guiMessageQueue) {
m_guiMessageQueue->push(new MainCore::MsgStarTrackerDisplaySettings(settings));
}
return true;
}
else if (MainCore::MsgStarTrackerDisplayLoSSettings::match(cmd))
{
MainCore::MsgStarTrackerDisplayLoSSettings& settings = (MainCore::MsgStarTrackerDisplayLoSSettings&) cmd;
if (m_guiMessageQueue) {
m_guiMessageQueue->push(new MainCore::MsgStarTrackerDisplayLoSSettings(settings));
}
return true;
}
else
{
return false;
}
}
void StarTracker::updatePipes()
{
QList<AvailablePipeSource> availablePipes = updateAvailablePipeSources("startracker.display", StarTrackerSettings::m_pipeTypes, StarTrackerSettings::m_pipeURIs, this);
if (availablePipes != m_availablePipes)
{
m_availablePipes = availablePipes;
if (getMessageQueueToGUI())
{
MsgReportPipes *msgToGUI = MsgReportPipes::create();
QList<AvailablePipeSource>& msgAvailablePipes = msgToGUI->getAvailablePipes();
msgAvailablePipes.append(availablePipes);
getMessageQueueToGUI()->push(msgToGUI);
}
}
}
QByteArray StarTracker::serialize() const
{
return m_settings.serialize();
}
bool StarTracker::deserialize(const QByteArray& data)
{
if (m_settings.deserialize(data))
{
MsgConfigureStarTracker *msg = MsgConfigureStarTracker::create(m_settings, true);
m_inputMessageQueue.push(msg);
return true;
}
else
{
m_settings.resetToDefaults();
MsgConfigureStarTracker *msg = MsgConfigureStarTracker::create(m_settings, true);
m_inputMessageQueue.push(msg);
return false;
}
}
void StarTracker::applySettings(const StarTrackerSettings& settings, bool force)
{
qDebug() << "StarTracker::applySettings:"
<< " m_target: " << settings.m_target
<< " m_ra: " << settings.m_ra
<< " m_dec: " << settings.m_dec
<< " m_az: " << settings.m_az
<< " m_el: " << settings.m_el
<< " m_l: " << settings.m_l
<< " m_b: " << settings.m_b
<< " m_azOffset: " << settings.m_azOffset
<< " m_elOffset: " << settings.m_elOffset
<< " m_latitude: " << settings.m_latitude
<< " m_longitude: " << settings.m_longitude
<< " m_serverPort: " << settings.m_serverPort
<< " m_enableServer: " << settings.m_enableServer
<< " m_title: " << settings.m_title
<< " m_rgbColor: " << settings.m_rgbColor
<< " m_useReverseAPI: " << settings.m_useReverseAPI
<< " m_reverseAPIAddress: " << settings.m_reverseAPIAddress
<< " m_reverseAPIPort: " << settings.m_reverseAPIPort
<< " m_reverseAPIFeatureSetIndex: " << settings.m_reverseAPIFeatureSetIndex
<< " m_reverseAPIFeatureIndex: " << settings.m_reverseAPIFeatureIndex
<< " force: " << force;
QList<QString> reverseAPIKeys;
if ((m_settings.m_target != settings.m_target) || force) {
reverseAPIKeys.append("target");
}
if ((m_settings.m_ra != settings.m_ra) || force) {
reverseAPIKeys.append("ra");
}
if ((m_settings.m_dec != settings.m_dec) || force) {
reverseAPIKeys.append("dec");
}
if ((m_settings.m_latitude != settings.m_latitude) || force) {
reverseAPIKeys.append("latitude");
}
if ((m_settings.m_longitude != settings.m_longitude) || force) {
reverseAPIKeys.append("longitude");
}
if ((m_settings.m_dateTime != settings.m_dateTime) || force) {
reverseAPIKeys.append("dateTime");
}
if ((m_settings.m_refraction != settings.m_refraction) || force) {
reverseAPIKeys.append("refraction");
}
if ((m_settings.m_pressure != settings.m_pressure) || force) {
reverseAPIKeys.append("pressure");
}
if ((m_settings.m_temperature != settings.m_temperature) || force) {
reverseAPIKeys.append("temperature");
}
if ((m_settings.m_humidity != settings.m_humidity) || force) {
reverseAPIKeys.append("humidity");
}
if ((m_settings.m_heightAboveSeaLevel != settings.m_heightAboveSeaLevel) || force) {
reverseAPIKeys.append("heightAboveSeaLevel");
}
if ((m_settings.m_temperatureLapseRate != settings.m_temperatureLapseRate) || force) {
reverseAPIKeys.append("temperatureLapseRate");
}
if ((m_settings.m_frequency != settings.m_frequency) || force) {
reverseAPIKeys.append("frequency");
}
if ((m_settings.m_serverPort != settings.m_serverPort) || force) {
reverseAPIKeys.append("stellariumPort");
}
if ((m_settings.m_enableServer != settings.m_enableServer) || force) {
reverseAPIKeys.append("stellariumServerEnabled");
}
if ((m_settings.m_updatePeriod != settings.m_updatePeriod) || force) {
reverseAPIKeys.append("updatePeriod");
}
if ((m_settings.m_jnow != settings.m_jnow) || force) {
reverseAPIKeys.append("epoch");
}
if ((m_settings.m_title != settings.m_title) || force) {
reverseAPIKeys.append("title");
}
if ((m_settings.m_rgbColor != settings.m_rgbColor) || force) {
reverseAPIKeys.append("rgbColor");
}
if ((m_settings.m_az != settings.m_az) || force) {
reverseAPIKeys.append("azimuth");
}
if ((m_settings.m_el != settings.m_el) || force) {
reverseAPIKeys.append("elevation");
}
if ((m_settings.m_l != settings.m_l) || force) {
reverseAPIKeys.append("l");
}
if ((m_settings.m_b != settings.m_b) || force) {
reverseAPIKeys.append("b");
}
if ((m_settings.m_azOffset != settings.m_azOffset) || force) {
reverseAPIKeys.append("azimuthOffset");
}
if ((m_settings.m_elOffset != settings.m_elOffset) || force) {
reverseAPIKeys.append("elevationOffset");
}
if ((m_settings.m_owmAPIKey != settings.m_owmAPIKey) || force)
{
if (m_weather)
{
disconnect(m_weather, &Weather::weatherUpdated, this, &StarTracker::weatherUpdated);
delete m_weather;
m_weather = nullptr;
}
if (!settings.m_owmAPIKey.isEmpty())
{
m_weather = Weather::create(settings.m_owmAPIKey);
if (m_weather) {
connect(m_weather, &Weather::weatherUpdated, this, &StarTracker::weatherUpdated);
}
}
}
if ( (m_settings.m_owmAPIKey != settings.m_owmAPIKey)
|| (m_settings.m_latitude != settings.m_latitude)
|| (m_settings.m_longitude != settings.m_longitude)
|| (m_settings.m_weatherUpdatePeriod != settings.m_weatherUpdatePeriod)
|| force)
{
if (m_weather) {
m_weather->getWeatherPeriodically(m_settings.m_latitude, m_settings.m_longitude, settings.m_weatherUpdatePeriod);
}
}
StarTrackerWorker::MsgConfigureStarTrackerWorker *msg = StarTrackerWorker::MsgConfigureStarTrackerWorker::create(
settings, force
);
m_worker->getInputMessageQueue()->push(msg);
if (settings.m_useReverseAPI)
{
bool fullUpdate = ((m_settings.m_useReverseAPI != settings.m_useReverseAPI) && settings.m_useReverseAPI) ||
(m_settings.m_reverseAPIAddress != settings.m_reverseAPIAddress) ||
(m_settings.m_reverseAPIPort != settings.m_reverseAPIPort) ||
(m_settings.m_reverseAPIFeatureSetIndex != settings.m_reverseAPIFeatureSetIndex) ||
(m_settings.m_reverseAPIFeatureIndex != settings.m_reverseAPIFeatureIndex);
webapiReverseSendSettings(reverseAPIKeys, settings, fullUpdate || force);
}
m_settings = settings;
}
int StarTracker::webapiRun(bool run,
SWGSDRangel::SWGDeviceState& response,
QString& errorMessage)
{
(void) errorMessage;
getFeatureStateStr(*response.getState());
MsgStartStop *msg = MsgStartStop::create(run);
getInputMessageQueue()->push(msg);
return 202;
}
int StarTracker::webapiSettingsGet(
SWGSDRangel::SWGFeatureSettings& response,
QString& errorMessage)
{
(void) errorMessage;
response.setStarTrackerSettings(new SWGSDRangel::SWGStarTrackerSettings());
response.getStarTrackerSettings()->init();
webapiFormatFeatureSettings(response, m_settings);
return 200;
}
int StarTracker::webapiSettingsPutPatch(
bool force,
const QStringList& featureSettingsKeys,
SWGSDRangel::SWGFeatureSettings& response,
QString& errorMessage)
{
(void) errorMessage;
StarTrackerSettings settings = m_settings;
webapiUpdateFeatureSettings(settings, featureSettingsKeys, response);
MsgConfigureStarTracker *msg = MsgConfigureStarTracker::create(settings, force);
m_inputMessageQueue.push(msg);
qDebug("StarTracker::webapiSettingsPutPatch: forward to GUI: %p", m_guiMessageQueue);
if (m_guiMessageQueue) // forward to GUI if any
{
MsgConfigureStarTracker *msgToGUI = MsgConfigureStarTracker::create(settings, force);
m_guiMessageQueue->push(msgToGUI);
}
webapiFormatFeatureSettings(response, settings);
return 200;
}
void StarTracker::webapiFormatFeatureSettings(
SWGSDRangel::SWGFeatureSettings& response,
const StarTrackerSettings& settings)
{
response.getStarTrackerSettings()->setTarget(new QString(settings.m_target));
response.getStarTrackerSettings()->setRa(new QString(settings.m_ra));
response.getStarTrackerSettings()->setDec(new QString(settings.m_dec));
response.getStarTrackerSettings()->setLatitude(settings.m_latitude);
response.getStarTrackerSettings()->setLongitude(settings.m_longitude);
response.getStarTrackerSettings()->setDateTime(new QString(settings.m_dateTime));
response.getStarTrackerSettings()->setRefraction(new QString(settings.m_refraction));
response.getStarTrackerSettings()->setPressure(settings.m_pressure);
response.getStarTrackerSettings()->setTemperature(settings.m_temperature);
response.getStarTrackerSettings()->setHumidity(settings.m_humidity);
response.getStarTrackerSettings()->setHeightAboveSeaLevel(settings.m_heightAboveSeaLevel);
response.getStarTrackerSettings()->setTemperatureLapseRate(settings.m_temperatureLapseRate);
response.getStarTrackerSettings()->setFrequency(settings.m_frequency/1000000.0);
response.getStarTrackerSettings()->setStellariumServerEnabled(settings.m_enableServer ? 1 : 0);
response.getStarTrackerSettings()->setStellariumPort(settings.m_serverPort);
response.getStarTrackerSettings()->setUpdatePeriod(settings.m_updatePeriod);
response.getStarTrackerSettings()->setEpoch(settings.m_jnow ? new QString("JNOW") : new QString("J2000"));
if (response.getStarTrackerSettings()->getTitle()) {
*response.getStarTrackerSettings()->getTitle() = settings.m_title;
} else {
response.getStarTrackerSettings()->setTitle(new QString(settings.m_title));
}
response.getStarTrackerSettings()->setRgbColor(settings.m_rgbColor);
response.getStarTrackerSettings()->setUseReverseApi(settings.m_useReverseAPI ? 1 : 0);
if (response.getStarTrackerSettings()->getReverseApiAddress()) {
*response.getStarTrackerSettings()->getReverseApiAddress() = settings.m_reverseAPIAddress;
} else {
response.getStarTrackerSettings()->setReverseApiAddress(new QString(settings.m_reverseAPIAddress));
}
response.getStarTrackerSettings()->setReverseApiPort(settings.m_reverseAPIPort);
response.getStarTrackerSettings()->setReverseApiFeatureSetIndex(settings.m_reverseAPIFeatureSetIndex);
response.getStarTrackerSettings()->setReverseApiFeatureIndex(settings.m_reverseAPIFeatureIndex);
response.getStarTrackerSettings()->setAzimuth(settings.m_az);
response.getStarTrackerSettings()->setElevation(settings.m_el);
response.getStarTrackerSettings()->setL(settings.m_l);
response.getStarTrackerSettings()->setB(settings.m_b);
response.getStarTrackerSettings()->setAzimuthOffset(settings.m_azOffset);
response.getStarTrackerSettings()->setElevationOffset(settings.m_elOffset);
}
void StarTracker::webapiUpdateFeatureSettings(
StarTrackerSettings& settings,
const QStringList& featureSettingsKeys,
SWGSDRangel::SWGFeatureSettings& response)
{
if (featureSettingsKeys.contains("target")) {
settings.m_target = *response.getStarTrackerSettings()->getTarget();
}
if (featureSettingsKeys.contains("ra")) {
settings.m_ra = *response.getStarTrackerSettings()->getRa();
}
if (featureSettingsKeys.contains("dec")) {
settings.m_dec = *response.getStarTrackerSettings()->getDec();
}
if (featureSettingsKeys.contains("latitude")) {
settings.m_latitude = response.getStarTrackerSettings()->getLatitude();
}
if (featureSettingsKeys.contains("longitude")) {
settings.m_longitude = response.getStarTrackerSettings()->getLongitude();
}
if (featureSettingsKeys.contains("dateTime")) {
settings.m_dateTime = *response.getStarTrackerSettings()->getDateTime();
}
if (featureSettingsKeys.contains("pressure")) {
settings.m_pressure = response.getStarTrackerSettings()->getPressure();
}
if (featureSettingsKeys.contains("temperature")) {
settings.m_temperature = response.getStarTrackerSettings()->getTemperature();
}
if (featureSettingsKeys.contains("humidity")) {
settings.m_humidity = response.getStarTrackerSettings()->getHumidity();
}
if (featureSettingsKeys.contains("heightAboveSeaLevel")) {
settings.m_heightAboveSeaLevel = response.getStarTrackerSettings()->getHeightAboveSeaLevel();
}
if (featureSettingsKeys.contains("temperatureLapseRate")) {
settings.m_temperatureLapseRate = response.getStarTrackerSettings()->getTemperatureLapseRate();
}
if (featureSettingsKeys.contains("frequency")) {
settings.m_frequency = response.getStarTrackerSettings()->getFrequency() * 100000.0;
}
if (featureSettingsKeys.contains("stellariumServerEnabled")) {
settings.m_enableServer = response.getStarTrackerSettings()->getStellariumServerEnabled() == 1;
}
if (featureSettingsKeys.contains("stellariumPort")) {
settings.m_serverPort = response.getStarTrackerSettings()->getStellariumPort();
}
if (featureSettingsKeys.contains("updatePeriod")) {
settings.m_updatePeriod = response.getStarTrackerSettings()->getUpdatePeriod();
}
if (featureSettingsKeys.contains("epoch")) {
settings.m_jnow = *response.getStarTrackerSettings()->getEpoch() == "JNOW";
}
if (featureSettingsKeys.contains("title")) {
settings.m_title = *response.getStarTrackerSettings()->getTitle();
}
if (featureSettingsKeys.contains("rgbColor")) {
settings.m_rgbColor = response.getStarTrackerSettings()->getRgbColor();
}
if (featureSettingsKeys.contains("useReverseAPI")) {
settings.m_useReverseAPI = response.getStarTrackerSettings()->getUseReverseApi() != 0;
}
if (featureSettingsKeys.contains("reverseAPIAddress")) {
settings.m_reverseAPIAddress = *response.getStarTrackerSettings()->getReverseApiAddress();
}
if (featureSettingsKeys.contains("reverseAPIPort")) {
settings.m_reverseAPIPort = response.getStarTrackerSettings()->getReverseApiPort();
}
if (featureSettingsKeys.contains("reverseAPIFeatureSetIndex")) {
settings.m_reverseAPIFeatureSetIndex = response.getStarTrackerSettings()->getReverseApiFeatureSetIndex();
}
if (featureSettingsKeys.contains("reverseAPIFeatureIndex")) {
settings.m_reverseAPIFeatureIndex = response.getStarTrackerSettings()->getReverseApiFeatureIndex();
}
if (featureSettingsKeys.contains("azimuth")) {
settings.m_az = response.getStarTrackerSettings()->getAzimuth();
}
if (featureSettingsKeys.contains("elevation")) {
settings.m_el = response.getStarTrackerSettings()->getElevation();
}
if (featureSettingsKeys.contains("l")) {
settings.m_l = response.getStarTrackerSettings()->getL();
}
if (featureSettingsKeys.contains("b")) {
settings.m_b = response.getStarTrackerSettings()->getB();
}
if (featureSettingsKeys.contains("azimuthOffset")) {
settings.m_azOffset = response.getStarTrackerSettings()->getAzimuthOffset();
}
if (featureSettingsKeys.contains("elevationOffset")) {
settings.m_elOffset = response.getStarTrackerSettings()->getElevationOffset();
}
}
void StarTracker::webapiReverseSendSettings(QList<QString>& featureSettingsKeys, const StarTrackerSettings& settings, bool force)
{
SWGSDRangel::SWGFeatureSettings *swgFeatureSettings = new SWGSDRangel::SWGFeatureSettings();
// swgFeatureSettings->setOriginatorFeatureIndex(getIndexInDeviceSet());
// swgFeatureSettings->setOriginatorFeatureSetIndex(getDeviceSetIndex());
swgFeatureSettings->setFeatureType(new QString("StarTracker"));
swgFeatureSettings->setStarTrackerSettings(new SWGSDRangel::SWGStarTrackerSettings());
SWGSDRangel::SWGStarTrackerSettings *swgStarTrackerSettings = swgFeatureSettings->getStarTrackerSettings();
// transfer data that has been modified. When force is on transfer all data except reverse API data
if (featureSettingsKeys.contains("target") || force) {
swgStarTrackerSettings->setTarget(new QString(settings.m_target));
}
if (featureSettingsKeys.contains("ra") || force) {
swgStarTrackerSettings->setRa(new QString(settings.m_ra));
}
if (featureSettingsKeys.contains("dec") || force) {
swgStarTrackerSettings->setDec(new QString(settings.m_dec));
}
if (featureSettingsKeys.contains("latitude") || force) {
swgStarTrackerSettings->setLatitude(settings.m_latitude);
}
if (featureSettingsKeys.contains("longitude") || force) {
swgStarTrackerSettings->setLongitude(settings.m_longitude);
}
if (featureSettingsKeys.contains("dateTime") || force) {
swgStarTrackerSettings->setDateTime(new QString(settings.m_dateTime));
}
if (featureSettingsKeys.contains("pressure") || force) {
swgStarTrackerSettings->setPressure(settings.m_pressure);
}
if (featureSettingsKeys.contains("temperature") || force) {
swgStarTrackerSettings->setTemperature(settings.m_temperature);
}
if (featureSettingsKeys.contains("humidity") || force) {
swgStarTrackerSettings->setHumidity(settings.m_humidity);
}
if (featureSettingsKeys.contains("heightAboveSeaLevel") || force) {
swgStarTrackerSettings->setHeightAboveSeaLevel(settings.m_heightAboveSeaLevel);
}
if (featureSettingsKeys.contains("temperatureLapseRate") || force) {
swgStarTrackerSettings->setTemperatureLapseRate(settings.m_temperatureLapseRate);
}
if (featureSettingsKeys.contains("frequency") || force) {
swgStarTrackerSettings->setFrequency(settings.m_frequency / 1000000.0);
}
if (featureSettingsKeys.contains("stellariumServerEnabled") || force) {
swgStarTrackerSettings->setStellariumServerEnabled(settings.m_enableServer ? 1 : 0);
}
if (featureSettingsKeys.contains("stellariumPort") || force) {
swgStarTrackerSettings->setStellariumPort(settings.m_serverPort);
}
if (featureSettingsKeys.contains("updatePeriod") || force) {
swgStarTrackerSettings->setUpdatePeriod(settings.m_updatePeriod);
}
if (featureSettingsKeys.contains("epoch") || force) {
swgStarTrackerSettings->setEpoch(settings.m_jnow ? new QString("JNOW") : new QString("J2000"));
}
if (featureSettingsKeys.contains("title") || force) {
swgStarTrackerSettings->setTitle(new QString(settings.m_title));
}
if (featureSettingsKeys.contains("rgbColor") || force) {
swgStarTrackerSettings->setRgbColor(settings.m_rgbColor);
}
if (featureSettingsKeys.contains("azimuth") || force) {
swgStarTrackerSettings->setAzimuth(settings.m_az);
}
if (featureSettingsKeys.contains("elevation") || force) {
swgStarTrackerSettings->setElevation(settings.m_el);
}
if (featureSettingsKeys.contains("l") || force) {
swgStarTrackerSettings->setL(settings.m_l);
}
if (featureSettingsKeys.contains("b") || force) {
swgStarTrackerSettings->setB(settings.m_b);
}
if (featureSettingsKeys.contains("azimuthOffset") || force) {
swgStarTrackerSettings->setAzimuthOffset(settings.m_azOffset);
}
if (featureSettingsKeys.contains("elevationOffset") || force) {
swgStarTrackerSettings->setElevationOffset(settings.m_elOffset);
}
QString channelSettingsURL = QString("http://%1:%2/sdrangel/featureset/%3/feature/%4/settings")
.arg(settings.m_reverseAPIAddress)
.arg(settings.m_reverseAPIPort)
.arg(settings.m_reverseAPIFeatureSetIndex)
.arg(settings.m_reverseAPIFeatureIndex);
m_networkRequest.setUrl(QUrl(channelSettingsURL));
m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
QBuffer *buffer = new QBuffer();
buffer->open((QBuffer::ReadWrite));
buffer->write(swgFeatureSettings->asJson().toUtf8());
buffer->seek(0);
// Always use PATCH to avoid passing reverse API settings
QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
buffer->setParent(reply);
delete swgFeatureSettings;
}
void StarTracker::networkManagerFinished(QNetworkReply *reply)
{
QNetworkReply::NetworkError replyError = reply->error();
if (replyError)
{
qWarning() << "StarTracker::networkManagerFinished:"
<< " error(" << (int) replyError
<< "): " << replyError
<< ": " << reply->errorString();
}
else
{
QString answer = reply->readAll();
answer.chop(1); // remove last \n
qDebug("StarTracker::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
}
reply->deleteLater();
}
void StarTracker::weatherUpdated(float temperature, float pressure, float humidity)
{
if (!isnan(temperature)) {
m_settings.m_temperature = temperature;
}
if (!isnan(pressure)) {
m_settings.m_pressure = pressure;
}
if (!isnan(humidity)) {
m_settings.m_humidity = humidity;
}
m_worker->getInputMessageQueue()->push(StarTrackerWorker::MsgConfigureStarTrackerWorker::create(m_settings, false));
if (m_guiMessageQueue) {
m_guiMessageQueue->push(MsgConfigureStarTracker::create(m_settings, false));
}
}
double StarTracker::applyBeam(const FITS *fits, double beamwidth, double ra, double dec, int& imgX, int& imgY) const
{
const double halfBeamwidth = beamwidth/2.0;
// Use cos^p(x) for approximation of radiation pattern
// (Essentially the same as Gaussian of exp(-4*ln(theta^2/beamwidth^2))
// (See a2 in https://arxiv.org/pdf/1812.10084.pdf for Elliptical equivalent))
// We have gain of 0dB (1) at 0 degrees, and -3dB (~0.5) at half-beamwidth degrees
// Find exponent that correponds to -3dB at that angle
double minus3dBLinear = pow(10.0, -3.0/10.0);
double p = log(minus3dBLinear)/log(cos(Units::degreesToRadians(halfBeamwidth)));
// Create an matrix with gain as a function of angle
double degreesPerPixelH = abs(fits->degreesPerPixelH());
double degreesPerPixelV = abs(fits->degreesPerPixelV());
int numberOfCoeffsH = ceil(beamwidth/degreesPerPixelH);
int numberOfCoeffsV = ceil(beamwidth/degreesPerPixelV);
if ((numberOfCoeffsH & 1) == 0) {
numberOfCoeffsH++;
}
if ((numberOfCoeffsV & 1) == 0) {
numberOfCoeffsV++;
}
double *beam = new double[numberOfCoeffsH*numberOfCoeffsV];
double sum = 0.0;
int y0 = numberOfCoeffsV/2;
int x0 = numberOfCoeffsH/2;
int nonZeroCount = 0;
for (int y = 0; y < numberOfCoeffsV; y++)
{
for (int x = 0; x < numberOfCoeffsH; x++)
{
double xp = (x - x0) * degreesPerPixelH;
double yp = (y - y0) * degreesPerPixelV;
double r = sqrt(xp*xp+yp*yp);
if (r < halfBeamwidth)
{
beam[y*numberOfCoeffsH+x] = pow(cos(Units::degreesToRadians(r)), p);
sum += beam[y*numberOfCoeffsH+x];
nonZeroCount++;
}
else
{
beam[y*numberOfCoeffsH+x] = 0.0;
}
}
}
// Get centre pixel coordinates
double centreX;
if (ra <= 12.0) {
centreX = (12.0 - ra) / 24.0;
} else {
centreX = (24 - ra + 12) / 24.0;
}
double centreY = (90.0-dec) / 180.0;
imgX = centreX * fits->width();
imgY = centreY * fits->height();
// Apply weighting to temperature data
double weightedSum = 0.0;
for (int y = 0; y < numberOfCoeffsV; y++)
{
for (int x = 0; x < numberOfCoeffsH; x++)
{
weightedSum += beam[y*numberOfCoeffsH+x] * fits->scaledWrappedValue(imgX + (x-x0), imgY + (y-y0));
}
}
// From: https://www.cv.nrao.edu/~sransom/web/Ch3.html
// The antenna temperature equals the source brightness temperature multiplied by the fraction of the beam solid angle filled by the source
// So we scale the sum by the total number of non-zero pixels (i.e. beam area)
// If we compare to some maps with different beamwidths here: https://www.cv.nrao.edu/~demerson/radiosky/sky_jun96.pdf
// The values we've computed are a bit higher..
double temp = weightedSum/nonZeroCount;
delete[] beam;
return temp;
}
bool StarTracker::calcSkyTemperature(double frequency, double beamwidth, double ra, double dec, double& temp) const
{
const FITS *fits;
int imgX, imgY;
if ((frequency >= 1.4e9) && (frequency <= 1.45e9))
{
// Adjust temperature from 1420MHz FITS file, just using beamwidth
fits = getTempFITS(2);
if (fits && fits->valid())
{
temp = applyBeam(fits, beamwidth, ra, dec, imgX, imgY);
return true;
}
else
{
qDebug() << "StarTracker::calcSkyTemperature: 1420MHz FITS temperature file not valid";
return false;
}
}
else
{
// Adjust temperature from 408MHz FITS file, taking in to account
// observation frequency and beamwidth
fits = getTempFITS(1);
if (fits && fits->valid())
{
double temp408 = applyBeam(fits, beamwidth, ra, dec, imgX, imgY);
// Scale according to frequency - CMB contribution constant
// Power law at low frequencies, with slight variation in spectral index
// See:
// Global Sky Model: https://ascl.net/1011.010
// An improved Model of Diffuse Galactic Radio Emission: https://arxiv.org/pdf/1605.04920.pdf
// A high-resolution self-consistent whole sky foreground model: https://arxiv.org/abs/1812.10084
// (De-striping:) Full sky study of diffuse Galactic emission at decimeter wavelength https://www.aanda.org/articles/aa/pdf/2003/42/aah4363.pdf
// Data here: http://cdsarc.u-strasbg.fr/viz-bin/cat/J/A+A/410/847
// LFmap: https://www.faculty.ece.vt.edu/swe/lwa/memo/lwa0111.pdf
double iso408 = 50 * pow(150e6/408e6, 2.75); // Extra-galactic isotropic in reference map at 408MHz
double isoT = 50 * pow(150e6/frequency, 2.75); // Extra-galactic isotropic at target frequency
double cmbT = 2.725; // Cosmic microwave backgroud;
double spectralIndex;
const FITS *spectralIndexFITS = getSpectralIndexFITS();
if (spectralIndexFITS && spectralIndexFITS->valid())
{
// See https://www.aanda.org/articles/aa/pdf/2003/42/aah4363.pdf
spectralIndex = spectralIndexFITS->scaledValue(imgX, imgY);
}
else
{
// See https://arxiv.org/abs/1812.10084 fig 2
if (frequency < 200e6) {
spectralIndex = 2.55;
} else if (frequency < 20e9) {
spectralIndex = 2.695;
} else {
spectralIndex = 3.1;
}
}
double galactic480 = temp408 - cmbT - iso408;
double galacticT = galactic480 * pow(408e6/frequency, spectralIndex); // Scale galactic contribution by frequency
temp = galacticT + cmbT + isoT; // Final temperature
return true;
}
else
{
qDebug() << "StarTracker::calcSkyTemperature: 408MHz FITS temperature file not valid";
return false;
}
}
}
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