mirror of
https://github.com/qgis/QGIS.git
synced 2025-02-24 00:47:57 -05:00
77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
|
/*****************************************************************************
|
||
|
|
* Copyright (c) 2021, Hobu, Inc. (info@hobu.co) *
|
||
|
|
* *
|
||
|
|
* All rights reserved. *
|
||
|
|
* *
|
||
|
|
* This program is free software; you can redistribute it and/or modify *
|
||
|
|
* it under the terms of the GNU General Public License as published by *
|
||
|
|
* the Free Software Foundation; either version 3 of the License, or *
|
||
|
|
* (at your option) any later version. *
|
||
|
|
* *
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <unordered_map>
|
||
|
|
|
||
|
|
#include "Stats.hpp"
|
||
|
|
#include "../untwine/FileDimInfo.hpp"
|
||
|
|
#include "../untwine/VoxelKey.hpp"
|
||
|
|
|
||
|
|
#include <lazperf/lazperf.hpp>
|
||
|
|
#include <lazperf/vlr.hpp>
|
||
|
|
|
||
|
|
|
||
|
|
namespace untwine
|
||
|
|
{
|
||
|
|
|
||
|
|
struct BaseInfo;
|
||
|
|
|
||
|
|
namespace bu
|
||
|
|
{
|
||
|
|
|
||
|
|
class CopcSupport
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
struct Hierarchy
|
||
|
|
{
|
||
|
|
uint64_t offset;
|
||
|
|
int32_t byteSize;
|
||
|
|
int32_t pointCount;
|
||
|
|
};
|
||
|
|
|
||
|
|
using CountMap = std::unordered_map<VoxelKey, int>;
|
||
|
|
using Entries = std::vector<std::pair<VoxelKey, Hierarchy>>;
|
||
|
|
|
||
|
|
CopcSupport(const BaseInfo& b);
|
||
|
|
uint64_t newChunk(const VoxelKey& key, int32_t size, int32_t count);
|
||
|
|
void updateHeader(const StatsMap& stats);
|
||
|
|
void writeHeader();
|
||
|
|
void writeChunkTable();
|
||
|
|
void writeHierarchy(const CountMap& counts);
|
||
|
|
|
||
|
|
private:
|
||
|
|
const BaseInfo& m_b;
|
||
|
|
std::ofstream m_f;
|
||
|
|
lazperf::header14 m_header;
|
||
|
|
lazperf::copc_info_vlr m_copcVlr;
|
||
|
|
lazperf::laz_vlr m_lazVlr;
|
||
|
|
lazperf::eb_vlr m_ebVlr;
|
||
|
|
lazperf::wkt_vlr m_wktVlr;
|
||
|
|
std::vector<lazperf::chunk> m_chunkTable;
|
||
|
|
uint64_t m_chunkOffsetPos;
|
||
|
|
uint64_t m_pointPos;
|
||
|
|
std::unordered_map<VoxelKey, Hierarchy> m_hierarchy;
|
||
|
|
|
||
|
|
int extraByteSize() const;
|
||
|
|
void addEbFields();
|
||
|
|
int numExtentItems() const;
|
||
|
|
void setExtentsVlr(const StatsMap& stats);
|
||
|
|
Hierarchy emitRoot(const VoxelKey& root, const CountMap& counts);
|
||
|
|
void emitChildren(const VoxelKey& root, const CountMap& counts,
|
||
|
|
Entries& entries, int stopLevel);
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namesapce bu
|
||
|
|
} // namesapce untwine
|