imageCoords.hpp

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// @copyright
// (c) Copyright ESO 2020
// All Rights Reserved
// ESO (eso.org) is an Intergovernmental Organization, and therefore special
// legal conditions apply.
//
// @file imageCoords.hpp
// @brief Image Handling class, offers access to coordinate conversion
// functions.
//
// This file is part of the DDT Image Handling Library and
// provides functions for coordinate conversion purposes.
//
// @author Christoph Bortlisz, CGI
// @since  2020/09/07
//
 
#ifndef IMAGECOORDS_HPP
#define IMAGECOORDS_HPP
 
#include <cpl.h>
#include <sys/stat.h>
 
#include <algorithm>
#include <cctype>
#undef I
#undef arg
 
#include "ddt/dataAcquisition.hpp"
#include "ddt/dataFile.hpp"
#include "ddt/ddtLogger.hpp"
#include "ddt/imageError.hpp"
#include "ddt/imageIO.hpp"
#include "ddt/imageProc.hpp"
#include "ddt/imageStats.hpp"
 
const double DEG_PER_HOUR = 360.0 / 24.0;
const double DEG_PER_MINUTE = 15.0 / 60.0;
const double DEG_PER_SECOND = 0.25 / 60.0;
 
namespace ddt {
 
class ImageCoords {
 public:
  ImageCoords(const int image_width, const int image_height,
              const bool rotate_flag, const bool flip_x_flag,
              const bool flip_y_flag);
 
  virtual ~ImageCoords() = default;
 
  void set_logger(ddt::DdtLogger* const in_logger);
 
  bool WorldCoordinatesDegreesFromCanvas(const cpl_wcs* const wcs,
                                         const double x_canvas,
                                         const double y_canvas, double* alpha,
                                         double* delta);
 
  bool CanvasCoordinatesFromWorldCoordinatesDegrees(const cpl_wcs* const wcs,
                                                    const double alpha,
                                                    const double delta,
                                                    double* const x_canvas,
                                                    double* const y_canvas);
 
  bool WorldCoordinatesDegreesFromImage(const cpl_wcs* const wcs,
                                        const double x_image,
                                        const double y_image,
                                        double* const alpha,
                                        double* const delta) const;
 
  bool ImageCoordinatesFromWorldCoordinatesDegrees(const cpl_wcs* const wcs,
                                                   const double alpha,
                                                   const double delta,
                                                   double* const x_image,
                                                   double* const y_image) const;
 
  const cpl_matrix* WorldCoordinatesCdMatrix(const cpl_wcs* const wcs) const;
 
  void ConvertCanvasToImage(const double x_canvas, const double y_canvas,
                            double* const x_image, double* const y_image) const;
 
  void ConvertImageToCanvas(const double x_image, const double y_image,
                            double* const x_canvas,
                            double* const y_canvas) const;
 
  void set_RotateFlag(const bool rot_flag);
 
  bool get_RotateFlag() const;
 
  void set_FlipXFlag(const bool flip_flag);
 
  bool get_FlipXFlag() const;
 
  void set_FlipYFlag(const bool flip_flag);
 
  bool get_FlipYFlag() const;
 
  int get_ImageWidth() const;
 
  void set_ImageWidth(const int in_image_width);
 
  int get_ImageHeight() const;
 
  void set_ImageHeight(const int in_image_height);
 
  static std::string RaDegToHMS(double deg);
 
  static double HMSToRaDeg(const std::string hms);
 
  static std::string DecDegToDMS(double deg);
 
  static double DMSToDecDeg(const std::string dms);
 
 protected:
  ddt::DdtLogger* logger;
 
 private:
  int image_width;
 
  int image_height;
 
  bool rotate_flag;
 
  bool flip_x_flag;
 
  bool flip_y_flag;
 
  bool isNotFlippedNotRotated() const;
 
  bool isNotFlippedRotated() const;
 
  bool isXFlippedNotRotated() const;
 
  bool isXFlippedRotated() const;
 
  bool isYFlippedNotRotated() const;
 
  bool isYFlippedRotated() const;
 
  bool isXYFlippedNotRotated() const;
 
  bool isXYFlippedRotated() const;
 
  void Init();
};
 
}  // namespace ddt
 
#endif /* IMAGECOORDS_HPP */