QGIS API Documentation 3.34.0-Prizren (ffbdd678812)
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qgs3dsceneexporter.h
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1/***************************************************************************
2 qgs3dsceneexporter.h
3 --------------------------------------
4 Date : June 2020
5 Copyright : (C) 2020 by Belgacem Nedjima
6 Email : gb underscore nedjima at esi dot dz
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 QGS3DSCENEEXPORTER_H
17#define QGS3DSCENEEXPORTER_H
18
19#include <Qt3DCore/QEntity>
20#include <Qt3DExtras/QPlaneGeometry>
21#include <Qt3DRender/QSceneLoader>
22#include <Qt3DRender/QMesh>
23#include <QMap>
24#include <QFile>
25#include <QVector3D>
26
27#include "qgs3dexportobject.h"
28#include "qgsfeatureid.h"
29
31class QgsTerrainTileEntity;
32class QgsTerrainEntity;
36class QgsChunkNode;
38class QgsTerrainTextureGenerator;
39class QgsVectorLayer;
41class QgsLine3DSymbol;
43class QgsMeshEntity;
44class TestQgs3DRendering;
45
46#define SIP_NO_FILE
47
56class _3D_EXPORT Qgs3DSceneExporter : public Qt3DCore::QEntity
57{
58 Q_OBJECT
59
60 public:
65 {
66 for ( Qgs3DExportObject *obj : mObjects )
67 delete obj;
68 }
69
74 bool parseVectorLayerEntity( Qt3DCore::QEntity *entity, QgsVectorLayer *layer );
75
77 void parseTerrain( QgsTerrainEntity *terrain, const QString &layer );
78
80 void save( const QString &sceneName, const QString &sceneFolderPath );
81
83 void setSmoothEdges( bool smoothEdges ) { mSmoothEdges = smoothEdges; }
85 bool smoothEdges() const { return mSmoothEdges; }
86
88 void setExportNormals( bool exportNormals ) { mExportNormals = exportNormals; }
90 bool exportNormals() const { return mExportNormals; }
91
93 void setExportTextures( bool exportTextures ) { mExportTextures = exportTextures; }
95 bool exportTextures() const { return mExportTextures; }
96
98 void setTerrainResolution( int resolution ) { mTerrainResolution = resolution; }
100 int terrainResolution() const { return mTerrainResolution; }
101
103 void setTerrainTextureResolution( int resolution ) { mTerrainTextureResolution = resolution; }
105 int terrainTextureResolution() const { return mTerrainTextureResolution; }
107 void setScale( float scale ) { mScale = scale; }
109 float scale() const { return mScale; }
110
111 private:
113 QVector<Qgs3DExportObject *> processInstancedPointGeometry( Qt3DCore::QEntity *entity, const QString &objectNamePrefix );
115 QVector<Qgs3DExportObject *> processSceneLoaderGeometries( Qt3DRender::QSceneLoader *sceneLoader, const QString &objectNamePrefix );
117 Qgs3DExportObject *processGeometryRenderer( Qt3DRender::QGeometryRenderer *mesh, const QString &objectNamePrefix, float sceneScale = 1.0f, QVector3D sceneTranslation = QVector3D( 0.0f, 0.0f, 0.0f ) );
119 void processEntityMaterial( Qt3DCore::QEntity *entity, Qgs3DExportObject *object );
121 QVector<Qgs3DExportObject *> processLines( Qt3DCore::QEntity *entity, const QString &objectNamePrefix );
123 Qgs3DExportObject *processPoints( Qt3DCore::QEntity *entity, const QString &objectNamePrefix );
124
126 QgsTerrainTileEntity *getFlatTerrainEntity( QgsTerrainEntity *terrain, QgsChunkNode *node );
128 QgsTerrainTileEntity *getDemTerrainEntity( QgsTerrainEntity *terrain, QgsChunkNode *node );
130 QgsTerrainTileEntity *getMeshTerrainEntity( QgsTerrainEntity *terrain, QgsChunkNode *node );
131
133 void parseDemTile( QgsTerrainTileEntity *tileEntity, const QString &layerName );
135 void parseFlatTile( QgsTerrainTileEntity *tileEntity, const QString &layerName );
137 void parseMeshTile( QgsTerrainTileEntity *meshEntity, const QString &layerName );
138
139 QString getObjectName( const QString &name );
140 private:
141 QMap<QString, int> usedObjectNamesCounter;
142 QVector<Qgs3DExportObject *> mObjects;
143
144 bool mSmoothEdges = false;
145 int mTerrainResolution = 128;
146 bool mExportNormals = true;
147 bool mExportTextures = false;
148 int mTerrainTextureResolution = 512;
149 float mScale = 1.0f;
150
151 QSet<QgsFeatureId> mExportedFeatureIds;
152
153 friend QgsPolygon3DSymbol;
154 friend QgsLine3DSymbol;
155 friend QgsPoint3DSymbol;
156 friend TestQgs3DRendering;
157};
158
159#endif // QGS3DSCENEEXPORTER_H
Manages the data of each object of the scene (positions, normals, texture coordinates ....
Entity that handles the exporting of 3D scene.
bool exportTextures() const
Returns whether the textures will be exported.
int terrainResolution() const
Returns the terrain resolution.
void setExportTextures(bool exportTextures)
Sets whether the textures will be exported.
~Qgs3DSceneExporter()
Destructor.
void setTerrainResolution(int resolution)
Sets the terrain resolution.
bool smoothEdges() const
Returns whether the triangles will look smooth.
Qgs3DSceneExporter()
Constructor.
void setTerrainTextureResolution(int resolution)
Sets the terrain texture resolution.
bool exportNormals() const
Returns whether the normals will be exported.
float scale() const
Returns the scale of the exported 3D model.
void setScale(float scale)
Sets the scale of the exported 3D model.
void setExportNormals(bool exportNormals)
Sets whether the normals will be exported.
void setSmoothEdges(bool smoothEdges)
Sets whether the triangles will look smooth.
int terrainTextureResolution() const
Returns the terrain resolution.
Represents a vector layer which manages a vector based data sets.