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RialtoDb.hpp
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RialtoDb.hpp
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/******************************************************************************
* Copyright (c) 2015, RadiantBlue Technologies, Inc.
*
* 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 Hobu, Inc. or Flaxen Geo Consulting 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 OWNER 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.
****************************************************************************/
#pragma once
#include <pdal/pdal_export.hpp>
#include <pdal/Writer.hpp>
#include <cstdint>
#include <string>
namespace pdal {
class Log;
class SQLite;
}
namespace rialtosupport
{
using namespace pdal;
class PDAL_DLL RialtoDb
{
public:
enum DataType {
Invalid = 0,
Uint8 = 0x200 | 1,
Uint16 = 0x200 | 2,
Uint32 = 0x200 | 4,
Uint64 = 0x200 | 8,
Int8 = 0x100 | 1,
Int16 = 0x100 | 2,
Int32 = 0x100 | 4,
Int64 = 0x100 | 8,
Float32 = 0x400 | 4,
Float64 = 0x400 | 8
};
struct DimensionInfo {
std::string name;
uint32_t position;
DataType dataType;
double minimum;
double mean;
double maximum;
};
// note we always use EPSG:4325
struct TileSetInfo {
std::string name; // aka filename
uint32_t maxLevel;
uint32_t numCols;
uint32_t numRows;
double minx; // tile set extents (not extents of actual data)
double miny;
double maxx;
double maxy;
uint32_t numDimensions;
std::vector<DimensionInfo> dimensions;
};
struct TileInfo {
uint32_t tileSetId;
uint32_t level;
uint32_t x; // col
uint32_t y; // row
};
RialtoDb(const std::string& connection);
~RialtoDb();
void open(bool writable=false);
void close();
// adds a tile set to the database
//
// returns id of new data set
uint32_t addTileSet(const RialtoDb::TileSetInfo& data);
void addDimensions(uint32_t tileSetId,
const std::vector<DimensionInfo>& dimensions);
// remove a tile set from the database
void deleteTileSet(uint32_t tileSetId);
// get list all the tile sets in the database, as a list of its
std::vector<uint32_t> getTileSetIds();
// get info about a specific tile set
TileSetInfo getTileSetInfo(uint32_t tileSetId);
// get info about one of the dimensions of a tile set
DimensionInfo getDimensionInfo(uint32_t tileSetId, uint32_t dimension);
// returns id of new tile
uint32_t addTile(const RialtoDb::TileInfo& data, char* buf, uint32_t buflen);
// get info about a tile
TileInfo getTileInfo(uint32_t tileSetId, uint32_t tileId);
// get the raw buffer with the points
void getTileData(uint32_t tileId, char*& buf, uint32_t& buflen);
// use with caution for levels greater than 16 or so
std::vector<uint32_t> getTileIdsAtLevel(uint32_t tileSetId, uint32_t level);
// query for all the points of a tile set, bounded by bbox region
// returns a pipeline made up of a BufferReader and a CropFilter
Stage* query(uint32_t tileSetId,
double minx, double miny,
double max, double maxy,
uint32_t minLevel, uint32_t maxLevel);
private:
// query for all the tiles of a tile set, bounded by bbox region
std::vector<uint32_t> getTileSets(uint32_t tileSetId,
double minx, double miny,
double max, double maxy,
uint32_t minLevel, uint32_t maxLevel);
void createTileSetsTable();
void createTilesTable();
void createDimensionsTable();
void query();
LogPtr log() const { return m_log; }
std::string m_connection;
std::unique_ptr<SQLite> m_session;
LogPtr m_log;
int m_srid;
RialtoDb& operator=(const RialtoDb&); // not implemented
RialtoDb(const RialtoDb&); // not implemented
};
} // namespace rialtosupport