1 // Copyright (c) 2018, ETH Zurich and UNC Chapel Hill.
2 // All rights reserved.
3 //
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5 // modification, are permitted provided that the following conditions are met:
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15 //       its contributors may be used to endorse or promote products derived
16 //       from this software without specific prior written permission.
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30 // Author: Johannes L. Schoenberger (jsch-at-demuc-dot-de)
31 
32 #ifndef COLMAP_SRC_MVS_NORMAL_MAP_H_
33 #define COLMAP_SRC_MVS_NORMAL_MAP_H_
34 
35 #include <string>
36 #include <vector>
37 
38 #include "mvs/mat.h"
39 #include "util/bitmap.h"
40 
41 namespace colmap {
42 namespace mvs {
43 
44 // Normal map class that stores per-pixel normals as a MxNx3 image.
45 class NormalMap : public Mat<float> {
46  public:
47   NormalMap();
48   NormalMap(const size_t width, const size_t height);
49   explicit NormalMap(const Mat<float>& mat);
50 
51   void Rescale(const float factor);
52   void Downsize(const size_t max_width, const size_t max_height);
53 
54   Bitmap ToBitmap() const;
55 };
56 
57 }  // namespace mvs
58 }  // namespace colmap
59 
60 #endif  // COLMAP_SRC_MVS_NORMAL_MAP_H_
61