Projection.h

#pragma once
 
#include "BoundingRegion.h"
#include "CesiumGeometry/AxisAlignedBox.h"
#include "CesiumGeometry/Rectangle.h"
#include "Ellipsoid.h"
#include "GeographicProjection.h"
#include "WebMercatorProjection.h"
 
#include <glm/vec2.hpp>
 
#include <variant>
 
namespace CesiumGeospatial {
 
typedef std::variant<GeographicProjection, WebMercatorProjection> Projection;
 
glm::dvec3
projectPosition(const Projection& projection, const Cartographic& position);
 
Cartographic
unprojectPosition(const Projection& projection, const glm::dvec3& position);
 
CesiumGeometry::Rectangle projectRectangleSimple(
    const Projection& projection,
    const GlobeRectangle& rectangle);
 
GlobeRectangle unprojectRectangleSimple(
    const Projection& projection,
    const CesiumGeometry::Rectangle& rectangle);
 
CesiumGeometry::AxisAlignedBox
projectRegionSimple(const Projection& projection, const BoundingRegion& region);
 
BoundingRegion unprojectRegionSimple(
    const Projection& projection,
    const CesiumGeometry::AxisAlignedBox& box,
    const CesiumGeospatial::Ellipsoid& ellipsoid CESIUM_DEFAULT_ELLIPSOID);
 
glm::dvec2 computeProjectedRectangleSize(
    const Projection& projection,
    const CesiumGeometry::Rectangle& rectangle,
    double maxHeight,
    const Ellipsoid& ellipsoid CESIUM_DEFAULT_ELLIPSOID);
 
const Ellipsoid& getProjectionEllipsoid(const Projection& projection);
 
} // namespace CesiumGeospatial