QGIS API Documentation 3.27.0-Master (9c08adf5ef)
qgspointcloudlayerchunkloader_p.h
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1/***************************************************************************
2 qgspointcloudlayerchunkloader_p.h
3 --------------------------------------
4 Date : October 2020
5 Copyright : (C) 2020 by Peter Petrik
6 Email : zilolv dot sk at gmail dot com
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16#ifndef QGSPOINTCLOUDLAYERCHUNKLOADER_P_H
17#define QGSPOINTCLOUDLAYERCHUNKLOADER_P_H
18
20
21//
22// W A R N I N G
23// -------------
24//
25// This file is not part of the QGIS API. It exists purely as an
26// implementation detail. This header file may change from version to
27// version without notice, or even be removed.
28//
29
30#include "qgschunkloader_p.h"
32#include "qgschunkedentity_p.h"
36
37#include <memory>
38
39#include <QFutureWatcher>
40#include <Qt3DRender/QGeometry>
41#include <Qt3DRender/QBuffer>
42#include <Qt3DRender/QMaterial>
43#include <QVector3D>
44
45#define SIP_NO_FILE
46
54class QgsPointCloudLayerChunkLoaderFactory : public QgsChunkLoaderFactory
55{
56 Q_OBJECT
57
58 public:
59
64 QgsPointCloudLayerChunkLoaderFactory( const Qgs3DMapSettings &map, const QgsCoordinateTransform &coordinateTransform, QgsPointCloudIndex *pc, QgsPointCloud3DSymbol *symbol,
65 double zValueScale, double zValueOffset, int pointBudget );
66
68 virtual QgsChunkLoader *createChunkLoader( QgsChunkNode *node ) const override;
69 virtual QgsChunkNode *createRootNode() const override;
70 virtual QVector<QgsChunkNode *> createChildren( QgsChunkNode *node ) const override;
71 virtual int primitivesCount( QgsChunkNode *node ) const override;
72 const Qgs3DMapSettings &mMap;
73 QgsCoordinateTransform mCoordinateTransform;
74 QgsPointCloudIndex *mPointCloudIndex;
75 std::unique_ptr< QgsPointCloud3DSymbol > mSymbol;
76 double mZValueScale = 1.0;
77 double mZValueOffset = 0;
78 int mPointBudget = 1000000;
79 bool mTriangulate = false;
80};
81
82
91class QgsPointCloudLayerChunkLoader : public QgsChunkLoader
92{
93 Q_OBJECT
94
95 public:
96
101 QgsPointCloudLayerChunkLoader( const QgsPointCloudLayerChunkLoaderFactory *factory, QgsChunkNode *node, std::unique_ptr< QgsPointCloud3DSymbol > symbol,
102 const QgsCoordinateTransform &coordinateTransform, double zValueScale, double zValueOffset );
103 ~QgsPointCloudLayerChunkLoader() override;
104
105 virtual void cancel() override;
106 virtual Qt3DCore::QEntity *createEntity( Qt3DCore::QEntity *parent ) override;
107
108 private:
109 const QgsPointCloudLayerChunkLoaderFactory *mFactory;
110 std::unique_ptr<QgsPointCloud3DSymbolHandler> mHandler;
112 QFutureWatcher<void> *mFutureWatcher = nullptr;
113};
114
115
126class QgsPointCloudLayerChunkedEntity : public QgsChunkedEntity
127{
128 Q_OBJECT
129 public:
130 explicit QgsPointCloudLayerChunkedEntity( QgsPointCloudIndex *pc, const Qgs3DMapSettings &map, const QgsCoordinateTransform &coordinateTransform, QgsPointCloud3DSymbol *symbol, float maxScreenError, bool showBoundingBoxes,
131 double zValueScale, double zValueOffset, int pointBudget );
132
133 ~QgsPointCloudLayerChunkedEntity();
134};
135
137
138#endif // QGSPOINTCLOUDLAYERCHUNKLOADER_P_H
Class for doing transforms between two map coordinate systems.
Encapsulates the render context for a 3D point cloud rendering operation.
Represents a indexed point clouds data in octree.