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sdrangel/sdrbase/util/openaip.h

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ADS-B Updates: Support different map types (Aviation, Street and Satellite) Add display of airspaces and NAVAIDs. Display photo of highlighted aircraft.
2021-11-12 16:51:23 +00:00
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2021 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_OPENAIP_H
#define INCLUDE_OPENAIP_H
#include <QString>
#include <QFile>
#include <QByteArray>
#include <QHash>
#include <QList>
#include <QDebug>
#include <QXmlStreamReader>
#include <QPointF>
#include <stdio.h>
#include <string.h>
#include "export.h"
#include "util/units.h"
#include "util/httpdownloadmanager.h"
// Server is moving, use new URL and .xml extension instead of .aip
//#define OPENAIP_AIRSPACE_URL "https://www.openaip.net/customer_export_akfshb9237tgwiuvb4tgiwbf/%1_asp.aip"
//#define OPENAIP_NAVAIDS_URL "https://www.openaip.net/customer_export_akfshb9237tgwiuvb4tgiwbf/%1_nav.aip"
#define OPENAIP_AIRSPACE_URL "https://storage.googleapis.com/29f98e10-a489-4c82-ae5e-489dbcd4912f/%1_asp.xml"
#define OPENAIP_NAVAIDS_URL "https://storage.googleapis.com/29f98e10-a489-4c82-ae5e-489dbcd4912f/%1_nav.xml"
struct SDRBASE_API Airspace {
struct AltLimit {
QString m_reference; // STD, MSL
int m_alt; // Altitude
QString m_altUnit; // FL (Flight level) or F (Feet)
};
QString m_category; // A-G, GLIDING, DANGER, PROHIBITED, TMZ
int m_id;
QString m_country; // GB
QString m_name; // BIGGIN HILL ATZ 129.405 - TODO: Extract frequency so we can tune to it
AltLimit m_top; // Top of airspace
AltLimit m_bottom; // Bottom of airspace
QVector<QPointF> m_polygon;
QPointF m_center; // Center of polygon
QPointF m_position; // Position for text (not at the center, otherwise it will clash with airport)
void calculatePosition()
{
qreal minX, maxX;
qreal minY, maxY;
if (m_polygon.size() > 0)
{
minX = maxX = m_polygon[0].x();
minY = maxY = m_polygon[0].y();
for (int i = 1; i < m_polygon.size(); i++)
{
qreal x = m_polygon[i].x();
qreal y = m_polygon[i].y();
minX = std::min(minX, x);
maxX = std::max(maxX, x);
minY = std::min(minY, y);
maxY = std::max(maxY, y);
}
m_center.setX(minX + (maxX - minX) / 2.0);
m_center.setY(minY + (maxY - minY) * 2.0);
m_position.setX(minX + (maxX - minX) / 2.0);
m_position.setY(minY + (maxY - minY) * 3.0 / 4.0);
}
}
QString getAlt(const AltLimit *altlimit) const
{
// Format on UK charts
if (altlimit->m_alt == 0) {
return "SFC"; // Surface
} if (altlimit->m_altUnit == "FL") {
return QString("FL%1").arg(altlimit->m_alt);
} else if (altlimit->m_altUnit == "F") {
return QString("%1'").arg(altlimit->m_alt);
} else {
return QString("%1 %2").arg(altlimit->m_alt).arg(altlimit->m_altUnit);
}
}
double heightInMetres(const AltLimit *altlimit) const
{
if (altlimit->m_altUnit == "FL") {
return Units::feetToMetres(altlimit->m_alt * 100);
} else if (altlimit->m_altUnit == "F") {
return Units::feetToMetres(altlimit->m_alt);
} else {
return altlimit->m_alt;
}
}
double topHeightInMetres() const
{
return heightInMetres(&m_top);
}
double bottomHeightInMetres() const
{
return heightInMetres(&m_bottom);
}
// Read OpenAIP XML file
static QList<Airspace *> readXML(const QString &filename)
{
QList<Airspace *> airspaces;
QFile file(filename);
if (file.open(QIODevice::ReadOnly | QIODevice::Text))
{
QXmlStreamReader xmlReader(&file);
while(!xmlReader.atEnd() && !xmlReader.hasError())
{
if (xmlReader.readNextStartElement())
{
if (xmlReader.name() == "ASP")
{
Airspace *airspace = new Airspace();
airspace->m_category = xmlReader.attributes().value("CATEGORY").toString();
while(xmlReader.readNextStartElement())
{
if (xmlReader.name() == QLatin1String("ID"))
{
airspace->m_id = xmlReader.readElementText().toInt();
}
else if (xmlReader.name() == QLatin1String("COUNTRY"))
{
airspace->m_country = xmlReader.readElementText();
}
else if (xmlReader.name() == QLatin1String("NAME"))
{
airspace->m_name = xmlReader.readElementText();
}
else if (xmlReader.name() == QLatin1String("ALTLIMIT_TOP"))
{
while(xmlReader.readNextStartElement())
{
airspace->m_top.m_reference = xmlReader.attributes().value("REFERENCE").toString();
airspace->m_top.m_altUnit = xmlReader.attributes().value("UNIT").toString();
if (xmlReader.name() == QLatin1String("ALT"))
{
airspace->m_top.m_alt = xmlReader.readElementText().toInt();
}
else
{
xmlReader.skipCurrentElement();
}
}
}
else if (xmlReader.name() == QLatin1String("ALTLIMIT_BOTTOM"))
{
while(xmlReader.readNextStartElement())
{
airspace->m_bottom.m_reference = xmlReader.attributes().value("REFERENCE").toString();
airspace->m_bottom.m_altUnit = xmlReader.attributes().value("UNIT").toString();
if (xmlReader.name() == QLatin1String("ALT"))
{
airspace->m_bottom.m_alt = xmlReader.readElementText().toInt();
}
else
{
xmlReader.skipCurrentElement();
}
}
}
else if (xmlReader.name() == QLatin1String("GEOMETRY"))
{
while(xmlReader.readNextStartElement())
{
if (xmlReader.name() == QLatin1String("POLYGON"))
{
QString pointsString = xmlReader.readElementText();
QStringList points = pointsString.split(",");
for (const auto& ps : points)
{
QStringList split = ps.trimmed().split(" ");
if (split.size() == 2)
{
QPointF pf(split[0].toDouble(), split[1].toDouble());
airspace->m_polygon.append(pf);
}
else
{
qDebug() << "Airspace::readXML - Unexpected polygon point format: " << ps;
}
}
}
else
{
xmlReader.skipCurrentElement();
}
}
}
else
{
xmlReader.skipCurrentElement();
}
}
airspace->calculatePosition();
//qDebug() << "Adding airspace: " << airspace->m_name << " " << airspace->m_category;
airspaces.append(airspace);
}
}
}
file.close();
}
else
{
Use older version of QtGraphicalEffects to support older versions of Qt. Don't warn for non-existent .xml files
2021-11-12 17:19:03 +00:00
// Don't warn, as many countries don't have files
//qDebug() << "Airspace::readXML: Could not open " << filename << " for reading.";
ADS-B Updates: Support different map types (Aviation, Street and Satellite) Add display of airspaces and NAVAIDs. Display photo of highlighted aircraft.
2021-11-12 16:51:23 +00:00
}
return airspaces;
}
};
struct SDRBASE_API NavAid {
QString m_ident; // 2 or 3 character ident
QString m_type; // NDB, VOR, VOR-DME or VORTAC
QString m_name;
float m_latitude;
float m_longitude;
float m_elevation;
float m_frequencykHz;
QString m_channel;
int m_range; // Nautical miles
float m_magneticDeclination;
bool m_alignedTrueNorth; // Is the VOR aligned to true North, rather than magnetic (may be the case at high latitudes)
int getRangeMetres() const
{
return Units::nauticalMilesToIntegerMetres((float)m_range);
}
// OpenAIP XML file
static QList<NavAid *> readXML(const QString &filename)
{
QList<NavAid *> navAidInfo;
QFile file(filename);
if (file.open(QIODevice::ReadOnly | QIODevice::Text))
{
QXmlStreamReader xmlReader(&file);
while(!xmlReader.atEnd() && !xmlReader.hasError())
{
if (xmlReader.readNextStartElement())
{
if (xmlReader.name() == "NAVAID")
{
QStringRef typeRef = xmlReader.attributes().value("TYPE");
if ((typeRef == QLatin1String("NDB"))
|| (typeRef == QLatin1String("DME"))
|| (typeRef == QLatin1String("VOR"))
|| (typeRef== QLatin1String("VOR-DME"))
|| (typeRef == QLatin1String("VORTAC")))
{
QString type = typeRef.toString();
QString name;
QString id;
float lat = 0.0f;
float lon = 0.0f;
float elevation = 0.0f;
float frequency = 0.0f;
QString channel;
int range = 25;
float declination = 0.0f;
bool alignedTrueNorth = false;
while(xmlReader.readNextStartElement())
{
if (xmlReader.name() == QLatin1String("NAME"))
{
name = xmlReader.readElementText();
}
else if (xmlReader.name() == QLatin1String("ID"))
{
id = xmlReader.readElementText();
}
else if (xmlReader.name() == QLatin1String("GEOLOCATION"))
{
while(xmlReader.readNextStartElement())
{
if (xmlReader.name() == QLatin1String("LAT")) {
lat = xmlReader.readElementText().toFloat();
} else if (xmlReader.name() == QLatin1String("LON")) {
lon = xmlReader.readElementText().toFloat();
} else if (xmlReader.name() == QLatin1String("ELEV")) {
elevation = xmlReader.readElementText().toFloat();
} else {
xmlReader.skipCurrentElement();
}
}
}
else if (xmlReader.name() == QLatin1String("RADIO"))
{
while(xmlReader.readNextStartElement())
{
if (xmlReader.name() == QLatin1String("FREQUENCY"))
{
if (type == "NDB") {
frequency = xmlReader.readElementText().toFloat();
} else {
frequency = xmlReader.readElementText().toFloat() * 1000.0;
}
} else if (xmlReader.name() == QLatin1String("CHANNEL")) {
channel = xmlReader.readElementText();
} else {
xmlReader.skipCurrentElement();
}
}
}
else if (xmlReader.name() == QLatin1String("PARAMS"))
{
while(xmlReader.readNextStartElement())
{
if (xmlReader.name() == QLatin1String("RANGE")) {
range = xmlReader.readElementText().toInt();
} else if (xmlReader.name() == QLatin1String("DECLINATION")) {
declination = xmlReader.readElementText().toFloat();
} else if (xmlReader.name() == QLatin1String("ALIGNEDTOTRUENORTH")) {
alignedTrueNorth = xmlReader.readElementText() == "TRUE";
} else {
xmlReader.skipCurrentElement();
}
}
}
else
{
xmlReader.skipCurrentElement();
}
}
NavAid *navAid = new NavAid();
navAid->m_ident = id;
// Check idents conform to our filtering rules
if (navAid->m_ident.size() < 2) {
qDebug() << "NavAid::readXML: Ident less than 2 characters: " << navAid->m_ident;
} else if (navAid->m_ident.size() > 3) {
qDebug() << "NavAid::readXML: Ident greater than 3 characters: " << navAid->m_ident;
}
navAid->m_type = type;
navAid->m_name = name;
navAid->m_frequencykHz = frequency;
navAid->m_channel = channel;
navAid->m_latitude = lat;
navAid->m_longitude = lon;
navAid->m_elevation = elevation;
navAid->m_range = range;
navAid->m_magneticDeclination = declination;
navAid->m_alignedTrueNorth = alignedTrueNorth;
navAidInfo.append(navAid);
}
}
}
}
file.close();
}
else
{
Use older version of QtGraphicalEffects to support older versions of Qt. Don't warn for non-existent .xml files
2021-11-12 17:19:03 +00:00
// Don't warn, as many countries don't have files
//qDebug() << "NavAid::readNavAidsXML: Could not open " << filename << " for reading.";
ADS-B Updates: Support different map types (Aviation, Street and Satellite) Add display of airspaces and NAVAIDs. Display photo of highlighted aircraft.
2021-11-12 16:51:23 +00:00
}
return navAidInfo;
}
};
class SDRBASE_API OpenAIP : public QObject {
Q_OBJECT
public:
OpenAIP(QObject* parent = nullptr);
~OpenAIP();
static const QStringList m_countryCodes;
static QList<Airspace *> readAirspaces();
static QList<Airspace *> readAirspaces(const QString& countryCode);
static QList<NavAid *> readNavAids();
static QList<NavAid *> readNavAids(const QString& countryCode);
void downloadAirspaces();
void downloadNavAids();
private:
HttpDownloadManager m_dlm;
int m_countryIndex;
static QString getDataDir();
static QString getAirspaceFilename(int i);
static QString getAirspaceFilename(const QString& countryCode);
static QString getAirspaceURL(int i);
static QString getNavAidsFilename(int i);
static QString getNavAidsFilename(const QString& countryCode);
static QString getNavAidsURL(int i);
void downloadAirspace();
void downloadNavAid();
public slots:
void downloadFinished(const QString& filename, bool success);
signals:
void downloadingURL(const QString& url);
void downloadError(const QString& error);
void downloadAirspaceFinished();
void downloadNavAidsFinished();
};
#endif // INCLUDE_OPENAIP_H
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