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// Copyright (c) 2018, ETH Zurich and UNC Chapel Hill.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// * Neither the name of ETH Zurich and UNC Chapel Hill nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Author: Johannes L. Schoenberger (jsch at inf.ethz.ch)
#ifndef COLMAP_SRC_UTIL_PLY_H_
#define COLMAP_SRC_UTIL_PLY_H_
#include <string>
#include <vector>
namespace colmap {
struct PlyPoint {
float x = 0.0f;
float y = 0.0f;
float z = 0.0f;
float nx = 0.0f;
float ny = 0.0f;
float nz = 0.0f;
uint8_t r = 0;
uint8_t g = 0;
uint8_t b = 0;
};
struct PlyMeshVertex {
PlyMeshVertex() : x(0), y(0), z(0) {}
PlyMeshVertex(const float x, const float y, const float z)
: x(x), y(y), z(z) {}
float x = 0.0f;
float y = 0.0f;
float z = 0.0f;
};
struct PlyMeshFace {
PlyMeshFace() : vertex_idx1(0), vertex_idx2(0), vertex_idx3(0) {}
PlyMeshFace(const size_t vertex_idx1, const size_t vertex_idx2,
const size_t vertex_idx3)
: vertex_idx1(vertex_idx1),
vertex_idx2(vertex_idx2),
vertex_idx3(vertex_idx3) {}
size_t vertex_idx1 = 0;
size_t vertex_idx2 = 0;
size_t vertex_idx3 = 0;
};
struct PlyMesh {
std::vector<PlyMeshVertex> vertices;
std::vector<PlyMeshFace> faces;
};
// Read PLY point cloud from text or binary file.
std::vector<PlyPoint> ReadPly(const std::string& path);
// Write PLY point cloud to text or binary file.
void WriteTextPlyPoints(const std::string& path,
const std::vector<PlyPoint>& points,
const bool write_normal = true,
const bool write_rgb = true);
void WriteBinaryPlyPoints(const std::string& path,
const std::vector<PlyPoint>& points,
const bool write_normal = true,
const bool write_rgb = true);
// Write PLY mesh to text or binary file.
void WriteTextPlyMesh(const std::string& path, const PlyMesh& mesh);
void WriteBinaryPlyMesh(const std::string& path, const PlyMesh& mesh);
} // namespace colmap
#endif // COLMAP_SRC_UTIL_PLY_H_
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