1 // Copyright (c) 2018, ETH Zurich and UNC Chapel Hill.
2 // All rights reserved.
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30 // Author: Johannes L. Schoenberger (jsch-at-demuc-dot-de)
31 
32 #ifndef COLMAP_SRC_BASE_CAMERA_DATABASE_H_
33 #define COLMAP_SRC_BASE_CAMERA_DATABASE_H_
34 
35 #include <string>
36 
37 #include "util/camera_specs.h"
38 
39 namespace colmap {
40 
41 // Database that contains sensor widths for many cameras, which is useful
42 // to automatically extract the focal length if EXIF information is incomplete.
43 class CameraDatabase {
44  public:
45   CameraDatabase();
46 
NumEntries()47   size_t NumEntries() const { return specs_.size(); }
48 
49   bool QuerySensorWidth(const std::string& make, const std::string& model,
50                         double* sensor_width);
51 
52  private:
53   static const camera_specs_t specs_;
54 };
55 
56 }  // namespace colmap
57 
58 #endif  // COLMAP_SRC_BASE_CAMERA_DATABASE_H_
59