QGIS API Documentation 3.29.0-Master (19d7edcfed)
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
30class QgsTerrainTileEntity;
31class QgsTerrainEntity;
35class QgsChunkNode;
37class QgsTerrainTextureGenerator;
38class QgsVectorLayer;
40class QgsLine3DSymbol;
42class QgsMeshEntity;
43
44#define SIP_NO_FILE
45
54class _3D_EXPORT Qgs3DSceneExporter : public Qt3DCore::QEntity
55{
56 Q_OBJECT
57
58 public:
63 {
64 for ( Qgs3DExportObject *obj : mObjects )
65 delete obj;
66 }
67
72 bool parseVectorLayerEntity( Qt3DCore::QEntity *entity, QgsVectorLayer *layer );
73
75 void parseTerrain( QgsTerrainEntity *terrain, const QString &layer );
76
78 void save( const QString &sceneName, const QString &sceneFolderPath );
79
81 void setSmoothEdges( bool smoothEdges ) { mSmoothEdges = smoothEdges; }
83 bool smoothEdges() const { return mSmoothEdges; }
84
86 void setExportNormals( bool exportNormals ) { mExportNormals = exportNormals; }
88 bool exportNormals() const { return mExportNormals; }
89
91 void setExportTextures( bool exportTextures ) { mExportTextures = exportTextures; }
93 bool exportTextures() const { return mExportTextures; }
94
96 void setTerrainResolution( int resolution ) { mTerrainResolution = resolution; }
98 int terrainResolution() const { return mTerrainResolution; }
99
101 void setTerrainTextureResolution( int resolution ) { mTerrainTextureResolution = resolution; }
103 int terrainTextureResolution() const { return mTerrainTextureResolution; }
105 void setScale( float scale ) { mScale = scale; }
107 float scale() const { return mScale; }
108
109 private:
111 QVector<Qgs3DExportObject *> processInstancedPointGeometry( Qt3DCore::QEntity *entity, const QString &objectNamePrefix );
113 QVector<Qgs3DExportObject *> processSceneLoaderGeometries( Qt3DRender::QSceneLoader *sceneLoader, const QString &objectNamePrefix );
115 Qgs3DExportObject *processGeometryRenderer( Qt3DRender::QGeometryRenderer *mesh, const QString &objectNamePrefix, float sceneScale = 1.0f, QVector3D sceneTranslation = QVector3D( 0.0f, 0.0f, 0.0f ) );
117 void processEntityMaterial( Qt3DCore::QEntity *entity, Qgs3DExportObject *object );
119 QVector<Qgs3DExportObject *> processLines( Qt3DCore::QEntity *entity, const QString &objectNamePrefix );
121 Qgs3DExportObject *processPoints( Qt3DCore::QEntity *entity, const QString &objectNamePrefix );
122
124 QgsTerrainTileEntity *getFlatTerrainEntity( QgsTerrainEntity *terrain, QgsChunkNode *node );
126 QgsTerrainTileEntity *getDemTerrainEntity( QgsTerrainEntity *terrain, QgsChunkNode *node );
128 QgsTerrainTileEntity *getMeshTerrainEntity( QgsTerrainEntity *terrain, QgsChunkNode *node );
129
131 void parseDemTile( QgsTerrainTileEntity *tileEntity, const QString &layerName );
133 void parseFlatTile( QgsTerrainTileEntity *tileEntity, const QString &layerName );
135 void parseMeshTile( QgsTerrainTileEntity *meshEntity, const QString &layerName );
136
137 QString getObjectName( const QString &name );
138 private:
139 QMap<QString, int> usedObjectNamesCounter;
140 QVector<Qgs3DExportObject *> mObjects;
141
142 bool mSmoothEdges = false;
143 int mTerrainResolution = 128;
144 bool mExportNormals = true;
145 bool mExportTextures = false;
146 int mTerrainTextureResolution = 512;
147 float mScale = 1.0f;
148
149 friend QgsPolygon3DSymbol;
150 friend QgsLine3DSymbol;
151 friend QgsPoint3DSymbol;
152};
153
154#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.