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// 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
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// 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
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// Author: Johannes L. Schoenberger (jsch-at-demuc-dot-de)
#ifndef COLMAP_SRC_CONTROLLERS_HIERARCHICAL_MAPPER_H_
#define COLMAP_SRC_CONTROLLERS_HIERARCHICAL_MAPPER_H_
#include "base/reconstruction_manager.h"
#include "base/scene_clustering.h"
#include "controllers/incremental_mapper.h"
#include "util/threading.h"
namespace colmap {
// Hierarchical mapping first hierarchically partitions the scene into multiple
// overlapping clusters, then reconstructs them separately using incremental
// mapping, and finally merges them all into a globally consistent
// reconstruction. This is especially useful for larger-scale scenes, since
// incremental mapping becomes slow with an increasing number of images.
class HierarchicalMapperController : public Thread {
public:
struct Options {
// The path to the image folder which are used as input.
std::string image_path;
// The path to the database file which is used as input.
std::string database_path;
// The maximum number of trials to initialize a cluster.
int init_num_trials = 10;
// The number of workers used to reconstruct clusters in parallel.
int num_workers = -1;
bool Check() const;
};
HierarchicalMapperController(
const Options& options,
const SceneClustering::Options& clustering_options,
const IncrementalMapperOptions& mapper_options,
ReconstructionManager* reconstruction_manager);
private:
void Run() override;
const Options options_;
const SceneClustering::Options clustering_options_;
const IncrementalMapperOptions mapper_options_;
ReconstructionManager* reconstruction_manager_;
};
} // namespace colmap
#endif // COLMAP_SRC_CONTROLLERS_HIERARCHICAL_MAPPER_H_
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