1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
/*=========================================================================
Program: Visualization Toolkit
Module: vtkCesium3DTilesWriter.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/**
* @class vtkCesium3DTilesWriter
* @brief Writes a dataset into 3D Tiles format.
*
*
* Valid inputs include the vtkMultiBlockDataSet (as created by
* vtkCityGMLReader) storing 3D buildings, vtkPointSet storing a point
* cloud or vtkPolyData for storing a mesh.
*
* @sa
* vtkCityGMLReader
* vtkMultiBlockDataSet
* vtkPolyData
*/
#ifndef vtkCesium3DTilesWriter_h
#define vtkCesium3DTilesWriter_h
#include "vtkIOCesium3DTilesModule.h" // For export macro
#include "vtkWriter.h"
VTK_ABI_NAMESPACE_BEGIN
class VTKIOCESIUM3DTILES_EXPORT vtkCesium3DTilesWriter : public vtkWriter
{
public:
static vtkCesium3DTilesWriter* New();
void PrintSelf(ostream& os, vtkIndent indent) override;
vtkTypeMacro(vtkCesium3DTilesWriter, vtkWriter);
enum InputType
{
Buildings,
Points,
Mesh
};
///@{
/**
* Accessor for name of the directory where Cesium3DTiles data is written
*/
vtkSetFilePathMacro(DirectoryName);
vtkGetFilePathMacro(DirectoryName);
///@}
///@{
/**
* Path used to prefix all texture paths stored as fields in the input data.
* @see vtkCityGMLReader
*/
vtkSetFilePathMacro(TextureBaseDirectory);
vtkGetFilePathMacro(TextureBaseDirectory);
///@}
///@{
/**
* Optional property texture mapping for the whole dataset.
* This is a json file described in <a
href="https://github.com/CesiumGS/3d-tiles/tree/main/specification/Metadata">3D Metadata</a> and
<a
href="https://github.com/CesiumGS/glTF/tree/3d-tiles-next/extensions/2.0/Vendor/EXT_structural_metadata">EXT_structural_metadata</a>
* @see vtkCityGMLReader
*/
vtkSetFilePathMacro(PropertyTextureFile);
vtkGetFilePathMacro(PropertyTextureFile);
///@}
///@{
/**
* Data coordinates are relative to this origin. To get the actual
* coordinates data has to be translated with the Offset.
*/
vtkSetVector3Macro(Offset, double);
vtkGetVector3Macro(Offset, double);
///@}
///@{
/**
* Save textures as part of the 3D Tiles dataset. Default true.
* Otherwise save only the mesh.
*/
vtkSetMacro(SaveTextures, bool);
vtkGetMacro(SaveTextures, bool);
vtkBooleanMacro(SaveTextures, bool);
///@}
///@{
/**
* Save the tiles (B3DMs) as part of the 3D Tiles dataset. Default true.
* Otherwise save only the tileset (JSON) file. This is mainly used for
* debugging. Default true.
*/
vtkSetMacro(SaveTiles, bool);
vtkGetMacro(SaveTiles, bool);
vtkBooleanMacro(SaveTiles, bool);
///@}
///@{
/**
* Merge all meshes in each tile so we end up with one mesh per tile.
* If polydata has textures we merged textures as well such that
* the width of the resulting texture is less then MergedTextureWidth (this is
* measured in number of input textures). If MergedTextureWidth is not specified
* it is computed as sqrt of the number of input textures.
* Default is false which means that we expect an external program to merge
* the meshes in each tile to improve performance (such as meshoptimizer).
* otherwise we merge the polydata in VTK.
* @see
* https://meshoptimizer.org/
*/
vtkSetMacro(MergeTilePolyData, bool);
vtkGetMacro(MergeTilePolyData, bool);
vtkBooleanMacro(MergeTilePolyData, bool);
vtkSetMacro(MergedTextureWidth, int);
vtkGetMacro(MergedTextureWidth, int);
///@}
///@{
/**
* What is the file type used to save tiles. If ContentGLTF is false
* (the default) we use B3DM for Buildings or Mesh and PNTS for
* PointCloud otherwise we use GLB or GLTF (3DTILES_content_gltf
* extension, use GLB if ContentGLTFSaveGLB is true (default is true)).
* If the file type is B3DM, external programs are
* needed to convert GLB -> B3DM.
*
*/
vtkSetMacro(ContentGLTF, bool);
vtkGetMacro(ContentGLTF, bool);
vtkBooleanMacro(ContentGLTF, bool);
vtkSetMacro(ContentGLTFSaveGLB, bool);
vtkGetMacro(ContentGLTFSaveGLB, bool);
vtkBooleanMacro(ContentGLTFSaveGLB, bool);
///@}
///@{
/**
* Input is Buildings, Points or Mesh.
*/
vtkSetMacro(InputType, int);
vtkGetMacro(InputType, int);
///@}
///@{
/**
* Maximum number of buildings per tile in case of buildings input or
* the number of points per tile in case of point cloud input. Default is 100.
*/
vtkSetMacro(NumberOfFeaturesPerTile, int);
vtkGetMacro(NumberOfFeaturesPerTile, int);
///@}
///@{
/**
* Set the coordinate reference system (CRS) also known as spatial reference system (SRC),
* such as EPSG:2263. This string can also be a proj string such as
* "+proj=utm +zone=17 +datum=WGS84"
*/
vtkSetStringMacro(CRS);
vtkGetStringMacro(CRS);
///@}
protected:
vtkCesium3DTilesWriter();
~vtkCesium3DTilesWriter() override;
// Only accepts vtkMultiBlockData
int FillInputPortInformation(int port, vtkInformation* info) override;
// Implementation of Write()
void WriteData() override;
char* DirectoryName;
char* TextureBaseDirectory;
char* PropertyTextureFile;
double Offset[3];
bool SaveTextures;
int InputType;
bool ContentGLTF;
bool ContentGLTFSaveGLB;
bool SaveTiles;
bool MergeTilePolyData;
int MergedTextureWidth;
int NumberOfFeaturesPerTile;
char* CRS;
private:
vtkCesium3DTilesWriter(const vtkCesium3DTilesWriter&) = delete;
void operator=(const vtkCesium3DTilesWriter&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif // vtkCesium3DTilesWriter_h
|
