Method getHorizontalFieldOfView

Cesium3DTilesSelection/src/ViewState.cpp:277–279

}

double ViewState::getHorizontalFieldOfView() const noexcept {
  return std::atan(1.0 / this->_projectionMatrix[0][0]) * 2.0;
}

double ViewState::getVerticalFieldOfView() const noexcept {
  return std::atan(-1.0 / this->_projectionMatrix[1][1]) * 2.0;