tools/vectorosm-tilecreator/TileDirectory.h

0001 // SPDX-License-Identifier: LGPL-2.1-or-later
0002 //
0003 // SPDX-FileCopyrightText: 2016 Dennis Nienhüser <nienhueser@kde.org>
0004 //
0005
0006 #ifndef MARBLE_TILEDIRECTORY_H
0007 #define MARBLE_TILEDIRECTORY_H
0008
0009 #include "VectorClipper.h"
0010 #include "TagsFilter.h"
0011 #include <TileId.h>
0012 #include <GeoDataLinearRing.h>
0013 #include <ParsingRunnerManager.h>
0014 #include <GeoSceneMercatorTileProjection.h>
0015
0016 #include <QNetworkAccessManager>
0017 #include <QSharedPointer>
0018 #include <QObject>
0019 #include <QFile>
0020
0021 class QNetworkReply;
0022
0023 namespace Marble {
0024
0025 class Download : public QObject
0026 {
0027     Q_OBJECT
0028
0029 public:
0030     QString target;
0031     QNetworkReply* reply;
0032     qint64 received;
0033     qint64 total;
0034
0035 public Q_SLOTS:
0036     void updateProgress(qint64 received, qint64 total);
0037
0038 private:
0039     QFile m_file;
0040 };
0041
0042 class TileDirectory : public QObject
0043 {
0044     Q_OBJECT
0045
0046 public:
0047
0048     enum TileType
0049     {
0050         Landmass,
0051         OpenStreetMap
0052     };
0053
0054     TileDirectory(TileType tileType, const QString &cacheDir, ParsingRunnerManager &manager, int maxZoomLevel);
0055     /** Create a tile directory for loading data from an OSMX file.
0056      *  @param maxZoomLevel The output zoom level.
0057      *  @param loadZoomLevel The zoom level at which the input data should be loaded.
0058      *  This must be smaller or equal to maxZoomLevel. Using a smaller value can be more efficient when
0059      *  generating a larger batch of tiles that fall within a lower zoom level tile, but comes at a greater
0060      *  cost for memory and clipping operations.
0061      */
0062     TileDirectory(const QString &cacheDir, const QString &osmxFile, ParsingRunnerManager &manager, int maxZoomLevel, int loadZoomLevel);
0063
0064     QSharedPointer<GeoDataDocument> load(int zoomLevel, int tileX, int tileY);
0065     void setInputFile(const QString &filename);
0066
0067     TileId tileFor(int zoomLevel, int tileX, int tileY) const;
0068     GeoDataDocument *clip(int zoomLevel, int tileX, int tileY);
0069     QString name() const;
0070
0071     static QSharedPointer<GeoDataDocument> open(const QString &filename, ParsingRunnerManager &manager);
0072     GeoDataLatLonBox boundingBox(const QString &filename) const;
0073     GeoDataLatLonBox boundingBox() const;
0074     void setBoundingBox(const GeoDataLatLonBox &boundingBox);
0075     void setBoundingPolygon(const QString &filename);
0076     void createTiles() const;
0077     void createOsmTiles() const;
0078     int innerNodes(const TileId &tile) const;
0079
0080     static void printProgress(double progress, int barWidth=40);
0081
0082 private Q_SLOTS:
0083     void updateProgress();
0084     void handleFinishedDownload(const QString &filename, const QString &id);
0085
0086 private:
0087     TagsFilter::Tags tagsFilteredIn(int zoomLevel) const;
0088     void setTagZoomLevel(int zoomLevel);
0089     void download(const QString &url, const QString &target);
0090     QString osmFileFor(const TileId &tileId) const;
0091
0092     QString m_cacheDir;
0093     QString m_baseDir;
0094     QString m_osmxFile;
0095     ParsingRunnerManager &m_manager;
0096     QSharedPointer<GeoDataDocument> m_landmass;
0097     int m_zoomLevel = -1;
0098     int m_tileX = -1;
0099     int m_tileY = -1;
0100     int m_tagZoomLevel = -1;
0101     QSharedPointer<VectorClipper> m_clipper;
0102     QSharedPointer<TagsFilter> m_tagsFilter;
0103     TileType m_tileType;
0104     QString m_inputFile;
0105     GeoDataLatLonBox m_boundingBox;
0106     QVector<GeoDataLinearRing> m_boundingPolygon;
0107     QNetworkAccessManager m_downloadManager;
0108     GeoSceneMercatorTileProjection m_tileProjection;
0109     QString m_landmassFile;
0110     QSharedPointer<Download> m_download;
0111     int m_maxZoomLevel;
0112     static QMap<int, TagsFilter::Tags> m_tags;
0113 };
0114
0115 }
0116
0117 #endif