RasterOverlayUtilities.h

#pragma once
 
#include <CesiumGeometry/QuadtreeTileID.h>
#include <CesiumGeospatial/Ellipsoid.h>
#include <CesiumGeospatial/Projection.h>
#include <CesiumRasterOverlays/Library.h>
#include <CesiumRasterOverlays/RasterOverlayDetails.h>
 
#include <glm/fwd.hpp>
 
#include <optional>
#include <string_view>
#include <vector>
 
namespace CesiumGltf {
struct Model;
}
 
namespace CesiumRasterOverlays {
 
struct CESIUMRASTEROVERLAYS_API RasterOverlayUtilities {
  static constexpr std::string_view DEFAULT_TEXTURE_COORDINATE_BASE_NAME =
      "_CESIUMOVERLAY_";
 
  static std::optional<RasterOverlayDetails>
  createRasterOverlayTextureCoordinates(
      CesiumGltf::Model& gltf,
      const glm::dmat4& modelToEcefTransform,
      const std::optional<CesiumGeospatial::GlobeRectangle>& globeRectangle,
      std::vector<CesiumGeospatial::Projection>&& projections,
      bool invertVCoordinate = false,
      const std::string_view& textureCoordinateAttributeBaseName =
          DEFAULT_TEXTURE_COORDINATE_BASE_NAME,
      int32_t firstTextureCoordinateID = 0);
 
  static std::optional<CesiumGltf::Model> upsampleGltfForRasterOverlays(
      const CesiumGltf::Model& parentModel,
      CesiumGeometry::UpsampledQuadtreeNode childID,
      bool hasInvertedVCoordinate = false,
      const std::string_view& textureCoordinateAttributeBaseName =
          DEFAULT_TEXTURE_COORDINATE_BASE_NAME,
      int32_t textureCoordinateIndex = 0,
      const CesiumGeospatial::Ellipsoid& ellipsoid =
          CesiumGeospatial::Ellipsoid::WGS84);
 
  static glm::dvec2 computeDesiredScreenPixels(
      double geometricError,
      double maximumScreenSpaceError,
      const CesiumGeospatial::Projection& projection,
      const CesiumGeometry::Rectangle& rectangle,
      const CesiumGeospatial::Ellipsoid& ellipsoid CESIUM_DEFAULT_ELLIPSOID);
 
  static glm::dvec4 computeTranslationAndScale(
      const CesiumGeometry::Rectangle& geometryRectangle,
      const CesiumGeometry::Rectangle& overlayRectangle);
};
 
} // namespace CesiumRasterOverlays