mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-30 03:38:55 -05:00
434 lines
19 KiB
C++
434 lines
19 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2021 Jon Beniston, M7RCE //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_OPENAIP_H
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#define INCLUDE_OPENAIP_H
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#include <QString>
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#include <QFile>
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#include <QByteArray>
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#include <QHash>
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#include <QList>
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#include <QDebug>
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#include <QXmlStreamReader>
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#include <QPointF>
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#include <stdio.h>
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#include <string.h>
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#include "export.h"
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#include "util/units.h"
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#include "util/httpdownloadmanager.h"
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// Server is moving, use new URL and .xml extension instead of .aip
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//#define OPENAIP_AIRSPACE_URL "https://www.openaip.net/customer_export_akfshb9237tgwiuvb4tgiwbf/%1_asp.aip"
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//#define OPENAIP_NAVAIDS_URL "https://www.openaip.net/customer_export_akfshb9237tgwiuvb4tgiwbf/%1_nav.aip"
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#define OPENAIP_AIRSPACE_URL "https://storage.googleapis.com/29f98e10-a489-4c82-ae5e-489dbcd4912f/%1_asp.xml"
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#define OPENAIP_NAVAIDS_URL "https://storage.googleapis.com/29f98e10-a489-4c82-ae5e-489dbcd4912f/%1_nav.xml"
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struct SDRBASE_API Airspace {
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struct AltLimit {
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QString m_reference; // STD, MSL
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int m_alt; // Altitude
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QString m_altUnit; // FL (Flight level) or F (Feet)
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};
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QString m_category; // A-G, GLIDING, DANGER, PROHIBITED, TMZ
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QString m_country; // GB
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QString m_name; // BIGGIN HILL ATZ 129.405 - TODO: Extract frequency so we can tune to it
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AltLimit m_top; // Top of airspace
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AltLimit m_bottom; // Bottom of airspace
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QVector<QPointF> m_polygon;
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QPointF m_center; // Center of polygon
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QPointF m_position; // Position for text (not at the center, otherwise it will clash with airport)
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void calculatePosition()
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{
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qreal minX, maxX;
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qreal minY, maxY;
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if (m_polygon.size() > 0)
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{
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minX = maxX = m_polygon[0].x();
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minY = maxY = m_polygon[0].y();
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for (int i = 1; i < m_polygon.size(); i++)
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{
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qreal x = m_polygon[i].x();
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qreal y = m_polygon[i].y();
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minX = std::min(minX, x);
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maxX = std::max(maxX, x);
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minY = std::min(minY, y);
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maxY = std::max(maxY, y);
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}
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m_center.setX(minX + (maxX - minX) / 2.0);
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m_center.setY(minY + (maxY - minY) * 2.0);
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m_position.setX(minX + (maxX - minX) / 2.0);
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m_position.setY(minY + (maxY - minY) * 3.0 / 4.0);
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}
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}
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QString getAlt(const AltLimit *altlimit) const
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{
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// Format on UK charts
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if (altlimit->m_alt == 0) {
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return "SFC"; // Surface
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} if (altlimit->m_altUnit == "FL") {
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return QString("FL%1").arg(altlimit->m_alt);
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} else if (altlimit->m_altUnit == "F") {
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return QString("%1'").arg(altlimit->m_alt);
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} else {
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return QString("%1 %2").arg(altlimit->m_alt).arg(altlimit->m_altUnit);
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}
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}
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double heightInMetres(const AltLimit *altlimit) const
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{
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if (altlimit->m_altUnit == "FL") {
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return Units::feetToMetres(altlimit->m_alt * 100);
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} else if (altlimit->m_altUnit == "F") {
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return Units::feetToMetres(altlimit->m_alt);
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} else {
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return altlimit->m_alt;
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}
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}
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double topHeightInMetres() const
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{
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return heightInMetres(&m_top);
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}
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double bottomHeightInMetres() const
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{
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return heightInMetres(&m_bottom);
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}
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// Read OpenAIP XML file
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static QList<Airspace *> readXML(const QString &filename)
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{
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QList<Airspace *> airspaces;
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QFile file(filename);
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if (file.open(QIODevice::ReadOnly | QIODevice::Text))
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{
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QXmlStreamReader xmlReader(&file);
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while(!xmlReader.atEnd() && !xmlReader.hasError())
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{
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if (xmlReader.readNextStartElement())
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{
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if (xmlReader.name() == QLatin1String("ASP"))
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{
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Airspace *airspace = new Airspace();
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airspace->m_category = xmlReader.attributes().value("CATEGORY").toString();
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while(xmlReader.readNextStartElement())
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{
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if (xmlReader.name() == QLatin1String("COUNTRY"))
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{
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airspace->m_country = xmlReader.readElementText();
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}
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else if (xmlReader.name() == QLatin1String("NAME"))
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{
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airspace->m_name = xmlReader.readElementText();
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}
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else if (xmlReader.name() == QLatin1String("ALTLIMIT_TOP"))
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{
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while(xmlReader.readNextStartElement())
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{
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airspace->m_top.m_reference = xmlReader.attributes().value("REFERENCE").toString();
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airspace->m_top.m_altUnit = xmlReader.attributes().value("UNIT").toString();
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if (xmlReader.name() == QLatin1String("ALT"))
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{
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airspace->m_top.m_alt = xmlReader.readElementText().toInt();
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}
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else
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{
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xmlReader.skipCurrentElement();
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}
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}
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}
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else if (xmlReader.name() == QLatin1String("ALTLIMIT_BOTTOM"))
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{
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while(xmlReader.readNextStartElement())
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{
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airspace->m_bottom.m_reference = xmlReader.attributes().value("REFERENCE").toString();
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airspace->m_bottom.m_altUnit = xmlReader.attributes().value("UNIT").toString();
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if (xmlReader.name() == QLatin1String("ALT"))
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{
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airspace->m_bottom.m_alt = xmlReader.readElementText().toInt();
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}
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else
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{
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xmlReader.skipCurrentElement();
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}
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}
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}
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else if (xmlReader.name() == QLatin1String("GEOMETRY"))
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{
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while(xmlReader.readNextStartElement())
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{
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if (xmlReader.name() == QLatin1String("POLYGON"))
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{
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QString pointsString = xmlReader.readElementText();
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QStringList points = pointsString.split(",");
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for (const auto& ps : points)
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{
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QStringList split = ps.trimmed().split(" ");
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if (split.size() == 2)
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{
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QPointF pf(split[0].toDouble(), split[1].toDouble());
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airspace->m_polygon.append(pf);
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}
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else
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{
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qDebug() << "Airspace::readXML - Unexpected polygon point format: " << ps;
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}
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}
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}
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else
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{
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xmlReader.skipCurrentElement();
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}
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}
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}
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else
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{
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xmlReader.skipCurrentElement();
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}
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}
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airspace->calculatePosition();
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//qDebug() << "Adding airspace: " << airspace->m_name << " " << airspace->m_category;
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airspaces.append(airspace);
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}
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}
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}
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file.close();
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}
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else
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{
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// Don't warn, as many countries don't have files
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//qDebug() << "Airspace::readXML: Could not open " << filename << " for reading.";
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}
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return airspaces;
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}
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};
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struct SDRBASE_API NavAid {
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int m_id; // Unique ID needed by VOR feature - Don't use value from database as that's 96-bit
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QString m_ident; // 2 or 3 character ident
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QString m_type; // NDB, VOR, VOR-DME or VORTAC
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QString m_name;
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float m_latitude;
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float m_longitude;
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float m_elevation;
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float m_frequencykHz;
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QString m_channel;
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int m_range; // Nautical miles
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float m_magneticDeclination;
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bool m_alignedTrueNorth; // Is the VOR aligned to true North, rather than magnetic (may be the case at high latitudes)
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int getRangeMetres() const
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{
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return Units::nauticalMilesToIntegerMetres((float)m_range);
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}
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// OpenAIP XML file
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static QList<NavAid *> readXML(const QString &filename)
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{
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int uniqueId = 1;
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QList<NavAid *> navAidInfo;
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QFile file(filename);
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if (file.open(QIODevice::ReadOnly | QIODevice::Text))
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{
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QXmlStreamReader xmlReader(&file);
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while(!xmlReader.atEnd() && !xmlReader.hasError())
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{
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if (xmlReader.readNextStartElement())
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{
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if (xmlReader.name() == QLatin1String("NAVAID"))
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{
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QStringView typeRef = xmlReader.attributes().value("TYPE");
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if ((typeRef == QLatin1String("NDB"))
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|| (typeRef == QLatin1String("DME"))
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|| (typeRef == QLatin1String("VOR"))
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|| (typeRef == QLatin1String("VOR-DME"))
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|| (typeRef == QLatin1String("VORTAC"))
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|| (typeRef == QLatin1String("DVOR"))
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|| (typeRef == QLatin1String("DVOR-DME"))
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|| (typeRef == QLatin1String("DVORTAC")))
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{
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QString type = typeRef.toString();
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QString name;
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QString id;
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float lat = 0.0f;
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float lon = 0.0f;
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float elevation = 0.0f;
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float frequency = 0.0f;
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QString channel;
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int range = 25;
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float declination = 0.0f;
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bool alignedTrueNorth = false;
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while(xmlReader.readNextStartElement())
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{
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if (xmlReader.name() == QLatin1String("NAME"))
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{
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name = xmlReader.readElementText();
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}
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else if (xmlReader.name() == QLatin1String("ID"))
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{
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id = xmlReader.readElementText();
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}
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else if (xmlReader.name() == QLatin1String("GEOLOCATION"))
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{
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while(xmlReader.readNextStartElement())
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{
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if (xmlReader.name() == QLatin1String("LAT")) {
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lat = xmlReader.readElementText().toFloat();
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} else if (xmlReader.name() == QLatin1String("LON")) {
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lon = xmlReader.readElementText().toFloat();
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} else if (xmlReader.name() == QLatin1String("ELEV")) {
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elevation = xmlReader.readElementText().toFloat();
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} else {
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xmlReader.skipCurrentElement();
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}
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}
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}
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else if (xmlReader.name() == QLatin1String("RADIO"))
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{
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while(xmlReader.readNextStartElement())
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{
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if (xmlReader.name() == QLatin1String("FREQUENCY"))
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{
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if (type == "NDB") {
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frequency = xmlReader.readElementText().toFloat();
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} else {
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frequency = xmlReader.readElementText().toFloat() * 1000.0;
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}
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} else if (xmlReader.name() == QLatin1String("CHANNEL")) {
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channel = xmlReader.readElementText();
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} else {
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xmlReader.skipCurrentElement();
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}
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}
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}
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else if (xmlReader.name() == QLatin1String("PARAMS"))
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{
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while(xmlReader.readNextStartElement())
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{
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if (xmlReader.name() == QLatin1String("RANGE")) {
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range = xmlReader.readElementText().toInt();
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} else if (xmlReader.name() == QLatin1String("DECLINATION")) {
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declination = xmlReader.readElementText().toFloat();
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} else if (xmlReader.name() == QLatin1String("ALIGNEDTOTRUENORTH")) {
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alignedTrueNorth = xmlReader.readElementText() == "TRUE";
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} else {
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xmlReader.skipCurrentElement();
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}
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}
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}
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else
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{
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xmlReader.skipCurrentElement();
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}
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}
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NavAid *navAid = new NavAid();
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navAid->m_id = uniqueId++;
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navAid->m_ident = id;
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// Check idents conform to our filtering rules
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if (navAid->m_ident.size() < 2) {
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qDebug() << "NavAid::readXML: Ident less than 2 characters: " << navAid->m_ident;
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} else if (navAid->m_ident.size() > 3) {
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qDebug() << "NavAid::readXML: Ident greater than 3 characters: " << navAid->m_ident;
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}
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navAid->m_type = type;
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navAid->m_name = name;
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navAid->m_frequencykHz = frequency;
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navAid->m_channel = channel;
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navAid->m_latitude = lat;
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navAid->m_longitude = lon;
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navAid->m_elevation = elevation;
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navAid->m_range = range;
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navAid->m_magneticDeclination = declination;
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navAid->m_alignedTrueNorth = alignedTrueNorth;
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navAidInfo.append(navAid);
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}
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}
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}
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}
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file.close();
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}
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else
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{
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// Don't warn, as many countries don't have files
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//qDebug() << "NavAid::readNavAidsXML: Could not open " << filename << " for reading.";
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}
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return navAidInfo;
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}
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};
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class SDRBASE_API OpenAIP : public QObject {
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Q_OBJECT
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public:
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OpenAIP(QObject* parent = nullptr);
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~OpenAIP();
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static const QStringList m_countryCodes;
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static QList<Airspace *> readAirspaces();
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static QList<Airspace *> readAirspaces(const QString& countryCode);
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static QList<NavAid *> readNavAids();
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static QList<NavAid *> readNavAids(const QString& countryCode);
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void downloadAirspaces();
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void downloadNavAids();
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private:
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HttpDownloadManager m_dlm;
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int m_countryIndex;
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static QString getDataDir();
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static QString getAirspaceFilename(int i);
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static QString getAirspaceFilename(const QString& countryCode);
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static QString getAirspaceURL(int i);
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static QString getNavAidsFilename(int i);
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static QString getNavAidsFilename(const QString& countryCode);
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static QString getNavAidsURL(int i);
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void downloadAirspace();
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void downloadNavAid();
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public slots:
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void downloadFinished(const QString& filename, bool success);
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signals:
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void downloadingURL(const QString& url);
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void downloadError(const QString& error);
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void downloadAirspaceFinished();
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void downloadNavAidsFinished();
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};
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#endif // INCLUDE_OPENAIP_H
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