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sdrangel/sdrbase/util/solardynamicsobservatory.cpp

434 lines
15 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2024 Jon Beniston, M7RCE //
// //
// 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 "solardynamicsobservatory.h"
#include <QDebug>
#include <QUrl>
#include <QNetworkReply>
#include <QNetworkDiskCache>
SolarDynamicsObservatory::SolarDynamicsObservatory() :
m_size(512),
m_todayCache(nullptr)
{
connect(&m_dataTimer, &QTimer::timeout, this, qOverload<>(&SolarDynamicsObservatory::getImage));
m_networkManager = new QNetworkAccessManager();
connect(m_networkManager, &QNetworkAccessManager::finished, this, &SolarDynamicsObservatory::handleReply);
QStringList locations = QStandardPaths::standardLocations(QStandardPaths::AppDataLocation);
QDir writeableDir(locations[0]);
if (!writeableDir.mkpath(QStringLiteral("cache") + QDir::separator() + QStringLiteral("solardynamicsobservatory"))) {
qDebug() << "SolarDynamicsObservatory::SolarDynamicsObservatory: Failed to create cache/solardynamicsobservatory";
}
m_cache = new QNetworkDiskCache();
m_cache->setCacheDirectory(locations[0] + QDir::separator() + QStringLiteral("cache") + QDir::separator() + QStringLiteral("solardynamicsobservatory"));
m_cache->setMaximumCacheSize(100000000);
m_networkManager->setCache(m_cache);
}
SolarDynamicsObservatory::~SolarDynamicsObservatory()
{
disconnect(&m_dataTimer, &QTimer::timeout, this, qOverload<>(&SolarDynamicsObservatory::getImage));
disconnect(m_networkManager, &QNetworkAccessManager::finished, this, &SolarDynamicsObservatory::handleReply);
delete m_networkManager;
delete m_todayCache;
}
SolarDynamicsObservatory* SolarDynamicsObservatory::create()
{
return new SolarDynamicsObservatory();
}
QList<int> SolarDynamicsObservatory::getImageSizes()
{
return {512, 1024, 2048, 4096};
}
QList<int> SolarDynamicsObservatory::getVideoSizes()
{
return {512, 1024};
}
const QStringList SolarDynamicsObservatory::getImageNames()
{
QChar angstronm(0x212B);
QStringList names;
// SDO
names.append(QString("AIA 094 %1").arg(angstronm));
names.append(QString("AIA 131 %1").arg(angstronm));
names.append(QString("AIA 171 %1").arg(angstronm));
names.append(QString("AIA 193 %1").arg(angstronm));
names.append(QString("AIA 211 %1").arg(angstronm));
names.append(QString("AIA 304 %1").arg(angstronm));
names.append(QString("AIA 335 %1").arg(angstronm));
names.append(QString("AIA 1600 %1").arg(angstronm));
names.append(QString("AIA 1700 %1").arg(angstronm));
names.append(QString("AIA 211 %1, 193 %1, 171 %1").arg(angstronm));
names.append(QString("AIA 304 %1, 211 %1, 171 %1").arg(angstronm));
names.append(QString("AIA 094 %1, 335 %1, 193 %1").arg(angstronm));
names.append(QString("AIA 171 %1, HMIB").arg(angstronm));
names.append("HMI Magneotgram");
names.append("HMI Colorized Magneotgram");
names.append("HMI Intensitygram - Colored");
names.append("HMI Intensitygram - Flattened");
names.append("HMI Intensitygram");
names.append("HMI Dopplergram");
// SOHO
names.append("LASCO C2");
names.append("LASCO C3");
return names;
}
const QStringList SolarDynamicsObservatory::getChannelNames()
{
QStringList channelNames = {
"0094",
"0131",
"0171",
"0193",
"0211",
"0304",
"0335",
"1600",
"1700",
"211193171",
"304211171",
"094335193",
"HMImag",
"HMIB",
"HMIBC",
"HMIIC",
"HMIIF",
"HMII",
"HMID",
"c2",
"c3"
};
return channelNames;
}
const QStringList SolarDynamicsObservatory::getImageFileNames()
{
// Ordering needs to match getImageNames()
// %1 replaced with size
QStringList filenames = {
"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_0094.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_0131.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_0171.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_0193.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_0211.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_0304.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_0335.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_1600.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_1700.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_211193171.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/f_304_211_171_%1.jpg",
//"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_304211171.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/f_094_335_193_%1.jpg",
//"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_094335193.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/f_HMImag_171_%1.jpg",
//"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_HMImag.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_HMIB.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_HMIBC.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_HMIIC.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_HMIIF.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_HMII.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_HMID.jpg",
"https://soho.nascom.nasa.gov/data/realtime/c2/512/latest.jpg",
"https://soho.nascom.nasa.gov/data/realtime/c3/512/latest.jpg"
};
return filenames;
}
const QStringList SolarDynamicsObservatory::getVideoNames()
{
QChar angstronm(0x212B);
QStringList names;
// SDO
names.append(QString("AIA 094 %1").arg(angstronm));
names.append(QString("AIA 131 %1").arg(angstronm));
names.append(QString("AIA 171 %1").arg(angstronm));
names.append(QString("AIA 193 %1").arg(angstronm));
names.append(QString("AIA 211 %1").arg(angstronm));
names.append(QString("AIA 304 %1").arg(angstronm));
names.append(QString("AIA 335 %1").arg(angstronm));
names.append(QString("AIA 1600 %1").arg(angstronm));
names.append(QString("AIA 1700 %1").arg(angstronm));
// SOHO
names.append("LASCO C2");
names.append("LASCO C3");
return names;
}
const QStringList SolarDynamicsObservatory::getVideoFileNames()
{
const QStringList filenames = {
"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_0094.mp4", // Videos sometimes fail to load on Windows if https used
"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_0131.mp4",
"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_0171.mp4",
"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_0193.mp4",
"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_0211.mp4",
"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_0304.mp4",
"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_0335.mp4",
"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_1600.mp4",
"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_1700.mp4",
"http://soho.nascom.nasa.gov/data/LATEST/current_c2.mp4",
"http://soho.nascom.nasa.gov/data/LATEST/current_c3.mp4",
};
return filenames;
}
QString SolarDynamicsObservatory::getImageURL(const QString& image, int size)
{
const QStringList names = SolarDynamicsObservatory::getImageNames();
const QStringList filenames = SolarDynamicsObservatory::getImageFileNames();
int idx = names.indexOf(image);
if (idx != -1) {
return QString(filenames[idx]).arg(size);
} else {
return "";
}
}
QString SolarDynamicsObservatory::getVideoURL(const QString& video, int size)
{
const QStringList names = SolarDynamicsObservatory::getVideoNames();
const QStringList filenames = SolarDynamicsObservatory::getVideoFileNames();
int idx = names.indexOf(video);
if (idx != -1) {
return QString(filenames[idx]).arg(size);
} else {
return "";
}
}
void SolarDynamicsObservatory::getImagePeriodically(const QString& image, int size, int periodInMins)
{
m_image = image;
m_size = size;
if (periodInMins > 0)
{
m_dataTimer.setInterval(periodInMins*60*1000);
m_dataTimer.start();
getImage();
}
else
{
m_dataTimer.stop();
}
}
void SolarDynamicsObservatory::getImage()
{
getImage(m_image, m_size);
}
void SolarDynamicsObservatory::getImage(const QString& imageName, int size)
{
QString urlString = getImageURL(imageName, size);
if (!urlString.isEmpty())
{
QUrl url(urlString);
m_networkManager->get(QNetworkRequest(url));
}
}
void SolarDynamicsObservatory::getImage(const QString& imageName, QDateTime dateTime, int size)
{
// Stop periodic updates, if not after latest data
m_dataTimer.stop();
// Save details of image we are after
Request request;
request.m_dateTime = dateTime;
request.m_size = size;
request.m_image = imageName;
// Get file index, as we don't know what time will be used in the file
QDate date = dateTime.date();
if (m_indexCache.contains(date))
{
handleIndex(m_indexCache.take(date), request);
}
else if ((m_todayCache != nullptr) && (date == m_todayCacheDateTime.date()) && (dateTime < m_todayCacheDateTime.addSecs(-60 * 60)))
{
handleIndex(m_todayCache, request);
}
else
{
QString urlString = QString("https://sdo.gsfc.nasa.gov/assets/img/browse/%1/%2/%3/")
.arg(date.year())
.arg(date.month(), 2, 10, QLatin1Char('0'))
.arg(date.day(), 2, 10, QLatin1Char('0'));
QUrl url(urlString);
request.m_url = urlString;
m_requests.append(request);
m_networkManager->get(QNetworkRequest(url));
}
}
void SolarDynamicsObservatory::handleReply(QNetworkReply* reply)
{
if (reply)
{
if (!reply->error())
{
if (reply->url().fileName().endsWith(".jpg"))
{
handleJpeg(reply->readAll());
}
else
{
// Find corresponding request
QString urlString = reply->url().toString();
for (int i = 0; i < m_requests.size(); i++)
{
if (m_requests[i].m_url == urlString)
{
QByteArray *bytes = new QByteArray(reply->readAll());
handleIndex(bytes, m_requests[i]);
m_requests.removeAt(i);
break;
}
}
}
}
else
{
qDebug() << "SolarDynamicsObservatory::handleReply: Error: " << reply->error();
}
reply->deleteLater();
}
else
{
qDebug() << "SolarDynamicsObservatory::handleReply: Reply is null";
}
}
void SolarDynamicsObservatory::handleJpeg(const QByteArray& bytes)
{
QImage image;
if (image.loadFromData(bytes)) {
emit imageUpdated(image);
} else {
qWarning() << "SolarDynamicsObservatory::handleJpeg: Failed to load image";
}
}
void SolarDynamicsObservatory::handleIndex(QByteArray* bytes, const Request& request)
{
const QStringList names = SolarDynamicsObservatory::getImageNames();
const QStringList channelNames = SolarDynamicsObservatory::getChannelNames();
int idx = names.indexOf(request.m_image);
if (idx < 0) {
return;
}
QString channel = channelNames[idx];
QString file(*bytes);
QStringList lines = file.split("\n");
QString date = request.m_dateTime.date().toString("yyyyMMdd");
QString pattern = QString("\"%1_([0-9]{6})_%2_%3.jpg\"").arg(date).arg(request.m_size).arg(channel);
QRegularExpression re(pattern);
// Get all times the image is available
QList<QTime> times;
for (const auto& line : lines)
{
QRegularExpressionMatch match = re.match(line);
if (match.hasMatch())
{
QString t = match.capturedTexts()[1];
int h = t.left(2).toInt();
int m = t.mid(2, 2).toInt();
int s = t.right(2).toInt();
times.append(QTime(h, m, s));
}
}
if (times.length() > 0)
{
QTime target = request.m_dateTime.time();
QTime current = times[0];
for (int i = 1; i < times.size(); i++)
{
if (target < times[i]) {
break;
}
current = times[i];
}
// Get image
QDate date = request.m_dateTime.date();
QString urlString = QString("https://sdo.gsfc.nasa.gov/assets/img/browse/%1/%2/%3/%1%2%3_%4%5%6_%7_%8.jpg")
.arg(date.year())
.arg(date.month(), 2, 10, QLatin1Char('0'))
.arg(date.day(), 2, 10, QLatin1Char('0'))
.arg(current.hour(), 2, 10, QLatin1Char('0'))
.arg(current.minute(), 2, 10, QLatin1Char('0'))
.arg(current.second(), 2, 10, QLatin1Char('0'))
.arg(request.m_size)
.arg(channel);
QUrl url(urlString);
m_networkManager->get(QNetworkRequest(url));
}
else
{
qDebug() << "SolarDynamicsObservatory: No image available for " << request.m_dateTime;
}
// Save index in cache
if (request.m_dateTime.date() == QDate::currentDate())
{
if (m_todayCache != bytes)
{
m_todayCache = bytes;
m_todayCacheDateTime = QDateTime::currentDateTime();
}
}
else if (request.m_dateTime.date() < QDate::currentDate())
{
m_indexCache.insert(request.m_dateTime.date(), bytes);
}
else
{
delete bytes;
}
}