ElevationMapProvider.h

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#pragma once
 
#include "MapProvider.h"
 
class ElevationProvider : public MapProvider
{
protected:
    ElevationProvider(const QString &mapName, const QString &referrer, const QString &imageFormat, quint32 averageSize,
                      MapProvider::MapStyle mapType)
        : MapProvider(
            mapName,
            referrer,
            imageFormat,
            averageSize,
            mapType) {}
 
public:
    bool isElevationProvider() const final { return true; }
    virtual QByteArray serialize(const QByteArray &image) const = 0;
};
 
class CopernicusElevationProvider : public ElevationProvider
{
public:
    CopernicusElevationProvider()
        : ElevationProvider(
            kProviderKey,
            kProviderURL,
            QStringLiteral("bin"),
            kAvgElevSize,
            MapProvider::TerrainMap) {}
 
    int long2tileX(double lon, int z) const final;
    int lat2tileY(double lat, int z) const final;
 
    QGCTileSet getTileCount(int zoom, double topleftLon,
                            double topleftLat, double bottomRightLon,
                            double bottomRightLat) const final;
 
    QByteArray serialize(const QByteArray &image) const final;
 
    static constexpr const char *kProviderKey = "Copernicus";
    static constexpr const char *kProviderNotice = "© Airbus Defence and Space GmbH";
    static constexpr const char *kProviderURL = "https://terrain-ce.suite.auterion.com";
    static constexpr quint32 kAvgElevSize = 2786;
 
private:
    QString _getURL(int x, int y, int zoom) const final;
 
    const QString _mapUrl = QString(kProviderURL) + QStringLiteral("/api/v1/carpet?points=%1,%2,%3,%4");
};
 
class TerrariumElevationProvider : public ElevationProvider
{
public:
    TerrariumElevationProvider()
        : ElevationProvider(kProviderKey, kProviderURL, QStringLiteral("png"), kAvgElevSize, MapProvider::TerrainMap)
    {}
 
    QByteArray serialize(const QByteArray& image) const final { return image; }
 
    bool isUserSelectable() const final { return false; }
 
    static constexpr const char* kProviderKey = "Terrarium";
    static constexpr const char* kProviderURL = "https://s3.amazonaws.com/elevation-tiles-prod";
    static constexpr quint32 kAvgElevSize = 45000;
 
private:
    QString _getURL(int x, int y, int zoom) const final;
};