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image_metadata.h
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1
16#ifndef HELIOS_IMAGE_METADATA_H
17#define HELIOS_IMAGE_METADATA_H
18
19#include <string>
20
21namespace helios {
22
24
32 struct ImageEXIFData {
33
34 // --- IFD0 (primary image) ---
35
37 std::string make = "Helios";
39 std::string model;
41 std::string software = "Helios";
43 std::string datetime;
45 unsigned int orientation = 1;
46
47 // --- Exif SubIFD ---
48
50 std::string datetime_original;
52 std::string datetime_digitized;
54 std::string offset_time;
56 float focal_length_mm = 0.f;
58 float focal_plane_x_resolution = 0.f;
60 float focal_plane_y_resolution = 0.f;
62 unsigned int focal_plane_resolution_unit = 3;
64 float exposure_time_s = 0.f;
66 float f_number = 0.f;
68 unsigned int iso = 0;
70 float exposure_bias_ev = 0.f;
72 bool has_exposure_bias = false;
74 float max_aperture_value_apex = 0.f;
76 float subject_distance_m = 0.f;
78 unsigned int pixel_x_dimension = 0;
80 unsigned int pixel_y_dimension = 0;
82 std::string lens_make;
84 std::string lens_model;
86 std::string lens_specification;
88 unsigned int exposure_mode = (unsigned int) -1;
90 unsigned int white_balance = (unsigned int) -1;
92 float digital_zoom_ratio = 0.f;
94 unsigned int focal_length_in_35mm = 0;
95
96 // --- GPS IFD ---
97
99 bool gps_valid = false;
101 double latitude_deg = 0.0;
103 double longitude_deg = 0.0;
105 double altitude_m = 0.0;
107 double img_direction_deg = 0.0;
109 std::string gps_datestamp;
111 std::string gps_timestamp_hms;
112
113 // --- XMP (Pix4D Camera namespace http://pix4d.com/camera/1.0) ---
114
116 bool xmp_valid = false;
118 double yaw_deg = 0.0;
120 double pitch_deg = 0.0;
122 double roll_deg = 0.0;
123 };
124
125}
126
127#endif