VTK  9.7.1
vtkStructuredPointBackend.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
13 #ifndef vtkStructuredPointBackend_h
14 #define vtkStructuredPointBackend_h
15 
16 #include "vtkCommonCoreModule.h" // For export macro
17 #include "vtkDataArrayRange.h" // For vtkDataArrayRange
18 #include "vtkSmartPointer.h" // For vtkSmartPointer
19 
20 #include <array> // For std::array
21 
22 VTK_ABI_NAMESPACE_BEGIN
23 //------------------------------------------------------------------------------
24 template <typename ValueType>
25 class VTKCOMMONCORE_EXPORT vtkStructuredPointBackend
26 {
27 public:
28  //------------------------------------------------------------------------------
29  vtkStructuredPointBackend();
30 
31  //------------------------------------------------------------------------------
32  virtual ~vtkStructuredPointBackend();
33 
37  virtual ValueType mapStructuredXComponent(int i) const = 0;
38 
42  virtual ValueType mapStructuredYComponent(int j) const = 0;
43 
47  virtual ValueType mapStructuredZComponent(int k) const = 0;
48 
49  //------------------------------------------------------------------------------
50  virtual void mapStructuredTuple(int ijk[3], ValueType tuple[3]) const = 0;
51 
52  //------------------------------------------------------------------------------
53  virtual void mapTuple(vtkIdType tupleId, ValueType tuple[3]) const = 0;
54 
55  //------------------------------------------------------------------------------
56  virtual ValueType mapComponent(vtkIdType tupleId, int comp) const = 0;
57 
58  //------------------------------------------------------------------------------
59  virtual ValueType map(vtkIdType valueId) const = 0;
60 
62 
65  virtual vtkDataArray* GetXCoordinates() const = 0;
66  virtual vtkDataArray* GetYCoordinates() const = 0;
67  virtual vtkDataArray* GetZCoordinates() const = 0;
69 
73  virtual bool GetUsesDirectionMatrix() const = 0;
74 };
75 
76 //------------------------------------------------------------------------------
77 template <typename ValueType, typename ArrayTypeX, typename ArrayTypeY, typename ArrayTypeZ,
78  int DataDescription, bool UseDirMatrix>
79 class vtkStructuredTPointBackend : public vtkStructuredPointBackend<ValueType>
80 {
81  vtkSmartPointer<ArrayTypeX> ArrayX;
82  const vtk::detail::ValueRange<ArrayTypeX, 1> X;
83  vtkSmartPointer<ArrayTypeY> ArrayY;
84  const vtk::detail::ValueRange<ArrayTypeY, 1> Y;
85  vtkSmartPointer<ArrayTypeZ> ArrayZ;
86  const vtk::detail::ValueRange<ArrayTypeZ, 1> Z;
87  const std::array<int, 6> Extent;
88  const std::array<vtkIdType, 3> Dimensions;
89  const vtkIdType Dimension_0_BY_1;
90 
91  // these are used only by vtkImageData and when direction matrix is not identity.
92  std::array<double, 16> IndexToPhysicalMatrix;
93  // this is a copy of vtkImageData::TransformCoordinates
94  void TransformIndexToPhysicalPoint(int i, int j, int k, ValueType* out) const;
95 
96 public:
97  //------------------------------------------------------------------------------
98  vtkStructuredTPointBackend();
99 
100  //------------------------------------------------------------------------------
101  vtkStructuredTPointBackend(ArrayTypeX* arrayX, ArrayTypeY* arrayY, ArrayTypeZ* arrayZ,
102  VTK_FUTURE_CONST int extent[6], double dirMatrix[9])
103  : ArrayX(arrayX)
104  , X(vtk::DataArrayValueRange<1>(ArrayX))
105  , ArrayY(arrayY)
106  , Y(vtk::DataArrayValueRange<1>(ArrayY))
107  , ArrayZ(arrayZ)
108  , Z(vtk::DataArrayValueRange<1>(ArrayZ))
109  , Extent({ { extent[0], extent[1], extent[2], extent[3], extent[4], extent[5] } })
110  , Dimensions(
111  { { extent[1] - extent[0] + 1, extent[3] - extent[2] + 1, extent[5] - extent[4] + 1 } })
112  , Dimension_0_BY_1(this->Dimensions[0] * this->Dimensions[1])
113  , IndexToPhysicalMatrix({ {} })
114  {
115  if (UseDirMatrix)
116  {
117  assert(this->ArrayX->GetNumberOfTuples() == 2);
118  assert(this->ArrayY->GetNumberOfTuples() == 2);
119  assert(this->ArrayZ->GetNumberOfTuples() == 2);
120  // compute origin
121  std::array<double, 3> origin = { { this->X[0], this->Y[0], this->Z[0] } };
122  // compute spacing
123  std::array<double, 3> spacing = { { this->X[1] - this->X[0], this->Y[1] - this->Y[0],
124  this->Z[1] - this->Z[0] } };
125  // compute index to physical matrix
126  this->IndexToPhysicalMatrix[0] = dirMatrix[0] * spacing[0];
127  this->IndexToPhysicalMatrix[1] = dirMatrix[1] * spacing[1];
128  this->IndexToPhysicalMatrix[2] = dirMatrix[2] * spacing[2];
129  this->IndexToPhysicalMatrix[3] = origin[0];
130  this->IndexToPhysicalMatrix[4] = dirMatrix[3] * spacing[0];
131  this->IndexToPhysicalMatrix[5] = dirMatrix[4] * spacing[1];
132  this->IndexToPhysicalMatrix[6] = dirMatrix[5] * spacing[2];
133  this->IndexToPhysicalMatrix[7] = origin[1];
134  this->IndexToPhysicalMatrix[8] = dirMatrix[6] * spacing[0];
135  this->IndexToPhysicalMatrix[9] = dirMatrix[7] * spacing[1];
136  this->IndexToPhysicalMatrix[10] = dirMatrix[8] * spacing[2];
137  this->IndexToPhysicalMatrix[11] = origin[2];
138  this->IndexToPhysicalMatrix[12] = 0.0;
139  this->IndexToPhysicalMatrix[13] = 0.0;
140  this->IndexToPhysicalMatrix[14] = 0.0;
141  this->IndexToPhysicalMatrix[15] = 1.0;
142  }
143  }
144 
145  //------------------------------------------------------------------------------
146  ~vtkStructuredTPointBackend() override;
147 
148  //------------------------------------------------------------------------------
149  template <int Description = DataDescription>
150  typename std::enable_if<(Description == 9 /*VTK_STRUCTURED_EMPTY*/), ValueType>::type
151  VTK_ALWAYS_INLINE
152  mapStructuredXComponentImpl(int i) const;
153 
154  //------------------------------------------------------------------------------
155  template <int Description = DataDescription>
156  typename std::enable_if<(Description != 9 /*VTK_STRUCTURED_EMPTY*/), ValueType>::type
157  VTK_ALWAYS_INLINE
158  mapStructuredXComponentImpl(int i) const;
159 
160  //------------------------------------------------------------------------------
161  ValueType mapStructuredXComponent(int i) const override;
162 
163  //------------------------------------------------------------------------------
164  template <int Description = DataDescription>
165  typename std::enable_if<(Description == 9 /*VTK_STRUCTURED_EMPTY*/), ValueType>::type
166  VTK_ALWAYS_INLINE
167  mapStructuredYComponentImpl(int j) const;
168 
169  //------------------------------------------------------------------------------
170  template <int Description = DataDescription>
171  typename std::enable_if<(Description != 9 /*VTK_STRUCTURED_EMPTY*/), ValueType>::type
172  VTK_ALWAYS_INLINE
173  mapStructuredYComponentImpl(int j) const;
174 
175  //------------------------------------------------------------------------------
176  ValueType mapStructuredYComponent(int j) const override;
177 
178  //------------------------------------------------------------------------------
179  template <int Description = DataDescription>
180  typename std::enable_if<(Description == 9 /*VTK_STRUCTURED_EMPTY*/), ValueType>::type
181  VTK_ALWAYS_INLINE
182  mapStructuredZComponentImpl(int k) const;
183 
184  //------------------------------------------------------------------------------
185  template <int Description = DataDescription>
186  typename std::enable_if<(Description != 9 /*VTK_STRUCTURED_EMPTY*/), ValueType>::type
187  VTK_ALWAYS_INLINE
188  mapStructuredZComponentImpl(int k) const;
189 
190  //------------------------------------------------------------------------------
191  ValueType mapStructuredZComponent(int k) const override;
192 
193  //------------------------------------------------------------------------------
194  template <int Description = DataDescription>
195  typename std::enable_if<(Description == 9 /*VTK_STRUCTURED_EMPTY*/), void>::type VTK_ALWAYS_INLINE
196  mapStructuredTupleImpl(int ijk[3], ValueType tuple[3]) const;
197 
198  //------------------------------------------------------------------------------
199  template <int Description = DataDescription>
200  typename std::enable_if<(Description != 9 /*VTK_STRUCTURED_EMPTY*/), void>::type VTK_ALWAYS_INLINE
201  mapStructuredTupleImpl(int ijk[3], ValueType tuple[3]) const;
202 
203  //------------------------------------------------------------------------------
204  void mapStructuredTuple(int ijk[3], ValueType tuple[3]) const override;
205 
206  //------------------------------------------------------------------------------
207  template <int Description = DataDescription>
208  typename std::enable_if<(Description == 9 /*VTK_STRUCTURED_EMPTY*/), void>::type VTK_ALWAYS_INLINE
209  ComputePointStructuredCoords(vtkIdType pointId, int ijk[3]) const;
210 
211  //------------------------------------------------------------------------------
212  template <int Description = DataDescription>
213  typename std::enable_if<(Description == 1 /*VTK_STRUCTURED_SINGLE_POINT*/), void>::type
214  VTK_ALWAYS_INLINE
215  ComputePointStructuredCoords(vtkIdType pointId, int ijk[3]) const;
216 
217  //------------------------------------------------------------------------------
218  template <int Description = DataDescription>
219  typename std::enable_if<(Description == 2 /*VTK_STRUCTURED_X_LINE*/), void>::type
220  VTK_ALWAYS_INLINE
221  ComputePointStructuredCoords(vtkIdType pointId, int ijk[3]) const;
222 
223  //------------------------------------------------------------------------------
224  template <int Description = DataDescription>
225  typename std::enable_if<(Description == 3 /*VTK_STRUCTURED_Y_LINE*/), void>::type
226  VTK_ALWAYS_INLINE
227  ComputePointStructuredCoords(vtkIdType pointId, int ijk[3]) const;
228 
229  //------------------------------------------------------------------------------
230  template <int Description = DataDescription>
231  typename std::enable_if<(Description == 4 /*VTK_STRUCTURED_Z_LINE*/), void>::type
232  VTK_ALWAYS_INLINE
233  ComputePointStructuredCoords(vtkIdType pointId, int ijk[3]) const;
234 
235  //------------------------------------------------------------------------------
236  template <int Description = DataDescription>
237  typename std::enable_if<(Description == 5 /*VTK_STRUCTURED_XY_PLANE*/), void>::type
238  VTK_ALWAYS_INLINE
239  ComputePointStructuredCoords(vtkIdType pointId, int ijk[3]) const;
240 
241  //------------------------------------------------------------------------------
242  template <int Description = DataDescription>
243  typename std::enable_if<(Description == 6 /*VTK_STRUCTURED_YZ_PLANE*/), void>::type
244  VTK_ALWAYS_INLINE
245  ComputePointStructuredCoords(vtkIdType pointId, int ijk[3]) const;
246 
247  //------------------------------------------------------------------------------
248  template <int Description = DataDescription>
249  typename std::enable_if<(Description == 7 /*VTK_STRUCTURED_XZ_PLANE*/), void>::type
250  VTK_ALWAYS_INLINE
251  ComputePointStructuredCoords(vtkIdType pointId, int ijk[3]) const;
252 
253  //------------------------------------------------------------------------------
254  template <int Description = DataDescription>
255  typename std::enable_if<(Description == 8 /*VTK_STRUCTURED_XYZ_GRID*/), void>::type
256  VTK_ALWAYS_INLINE
257  ComputePointStructuredCoords(vtkIdType pointId, int ijk[3]) const;
258 
259  //------------------------------------------------------------------------------
260  void mapTuple(vtkIdType tupleId, ValueType tuple[3]) const override;
261 
262  //------------------------------------------------------------------------------
263  template <int Description = DataDescription>
264  typename std::enable_if<(Description == 9 /*VTK_STRUCTURED_EMPTY*/), ValueType>::type
265  VTK_ALWAYS_INLINE
266  mapComponentImpl(vtkIdType tupleId, int comp) const;
267 
268  //------------------------------------------------------------------------------
269  template <int Description = DataDescription>
270  typename std::enable_if<(Description == 1 /*VTK_STRUCTURED_SINGLE_POINT*/), ValueType>::type
271  VTK_ALWAYS_INLINE
272  mapComponentImpl(vtkIdType tupleId, int comp) const;
273 
274  //------------------------------------------------------------------------------
275  template <int Description = DataDescription>
276  typename std::enable_if<(Description == 2 /*VTK_STRUCTURED_X_LINE*/), ValueType>::type
277  VTK_ALWAYS_INLINE
278  mapComponentImpl(vtkIdType tupleId, int comp) const;
279 
280  //------------------------------------------------------------------------------
281  template <int Description = DataDescription>
282  typename std::enable_if<(Description == 3 /*VTK_STRUCTURED_Y_LINE*/), ValueType>::type
283  VTK_ALWAYS_INLINE
284  mapComponentImpl(vtkIdType tupleId, int comp) const;
285 
286  //------------------------------------------------------------------------------
287  template <int Description = DataDescription>
288  typename std::enable_if<(Description == 4 /*VTK_STRUCTURED_Z_LINE*/), ValueType>::type
289  VTK_ALWAYS_INLINE
290  mapComponentImpl(vtkIdType tupleId, int comp) const;
291 
292  //------------------------------------------------------------------------------
293  template <int Description = DataDescription>
294  typename std::enable_if<(Description == 5 /*VTK_STRUCTURED_XY_PLANE*/), ValueType>::type
295  VTK_ALWAYS_INLINE
296  mapComponentImpl(vtkIdType tupleId, int comp) const;
297 
298  //------------------------------------------------------------------------------
299  template <int Description = DataDescription>
300  typename std::enable_if<(Description == 6 /*VTK_STRUCTURED_YZ_PLANE*/), ValueType>::type
301  VTK_ALWAYS_INLINE
302  mapComponentImpl(vtkIdType tupleId, int comp) const;
303 
304  //------------------------------------------------------------------------------
305  template <int Description = DataDescription>
306  typename std::enable_if<(Description == 7 /*VTK_STRUCTURED_XZ_PLANE*/), ValueType>::type
307  VTK_ALWAYS_INLINE
308  mapComponentImpl(vtkIdType tupleId, int comp) const;
309 
310  //------------------------------------------------------------------------------
311  template <int Description = DataDescription>
312  typename std::enable_if<(Description == 8 /*VTK_STRUCTURED_XYZ_GRID*/), ValueType>::type
313  VTK_ALWAYS_INLINE
314  mapComponentImpl(vtkIdType tupleId, int comp) const;
315 
316  //------------------------------------------------------------------------------
317  ValueType mapComponent(vtkIdType tupleId, int comp) const override;
318 
319  //------------------------------------------------------------------------------
320  ValueType map(vtkIdType valueId) const override;
321 
322  //------------------------------------------------------------------------------
323  vtkDataArray* GetXCoordinates() const override { return this->ArrayX; }
324 
325  //------------------------------------------------------------------------------
326  vtkDataArray* GetYCoordinates() const override { return this->ArrayY; }
327 
328  //------------------------------------------------------------------------------
329  vtkDataArray* GetZCoordinates() const override { return this->ArrayZ; }
330 
331  //------------------------------------------------------------------------------
332  bool GetUsesDirectionMatrix() const override { return UseDirMatrix; }
333 };
334 VTK_ABI_NAMESPACE_END
335 
336 #endif // vtkStructuredPointBackend_h
337 /* VTK-HeaderTest-Exclude: vtkStructuredPointBackend.h */
338 
339 #if defined(VTK_STRUCTURED_POINT_BACKEND_INSTANTIATING)
340 
341 #define VTK_INSTANTIATE_STRUCTURED_POINT_BACKEND(ValueType) \
342  VTK_ABI_NAMESPACE_BEGIN \
343  template class VTKCOMMONCORE_EXPORT vtkStructuredPointBackend<ValueType>; \
344  VTK_ABI_NAMESPACE_END
345 #elif defined(VTK_USE_EXTERN_TEMPLATE)
346 
347 #ifndef VTK_STRUCTURED_POINT_BACKEND_TEMPLATE_EXTERN
348 #define VTK_STRUCTURED_POINT_BACKEND_TEMPLATE_EXTERN
349 #ifdef _MSC_VER
350 #pragma warning(push)
351 #pragma warning(disable : 4910) // extern and dllexport incompatible
352 #endif
353 VTK_ABI_NAMESPACE_BEGIN
354 vtkExternTemplateMacro(extern template class VTKCOMMONCORE_EXPORT vtkStructuredPointBackend);
355 VTK_ABI_NAMESPACE_END
356 #ifdef _MSC_VER
357 #pragma warning(pop)
358 #endif
359 #endif // VTK_STRUCTURED_POINT_BACKEND_TEMPLATE_EXTERN
360 
361 #endif
vtkStructuredTPointBackend::mapStructuredYComponent
ValueType mapStructuredYComponent(int j) const override
These function should only be used when direction matrix is NOT identity.
vtkStructuredTPointBackend::mapStructuredYComponentImpl
std::enable_if<(Description==9), ValueType >::type VTK_ALWAYS_INLINE mapStructuredYComponentImpl(int j) const
vtkStructuredTPointBackend::ComputePointStructuredCoords
std::enable_if<(Description==9), void >::type VTK_ALWAYS_INLINE ComputePointStructuredCoords(vtkIdType pointId, int ijk[3]) const
vtk
Specialization of tuple ranges and iterators for vtkAOSDataArrayTemplate.
Definition: vtkSMPThreadLocalAPI.h:29
vtkIdType
int vtkIdType
Definition: vtkType.h:363
vtkStructuredTPointBackend::vtkStructuredTPointBackend
vtkStructuredTPointBackend(ArrayTypeX *arrayX, ArrayTypeY *arrayY, ArrayTypeZ *arrayZ, VTK_FUTURE_CONST int extent[6], double dirMatrix[9])
Definition: vtkStructuredPointBackend.h:101
vtkStructuredTPointBackend::mapStructuredTupleImpl
std::enable_if<(Description==9), void >::type VTK_ALWAYS_INLINE mapStructuredTupleImpl(int ijk[3], ValueType tuple[3]) const
vtkStructuredTPointBackend::GetXCoordinates
vtkDataArray * GetXCoordinates() const override
Get the coordinate arrays used to construct this backend.
Definition: vtkStructuredPointBackend.h:323
vtkStructuredTPointBackend::GetUsesDirectionMatrix
bool GetUsesDirectionMatrix() const override
Return true if a non-identity direction matrix is being used.
Definition: vtkStructuredPointBackend.h:332
vtkStructuredTPointBackend::map
ValueType map(vtkIdType valueId) const override
vtkDataArray
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:44
vtkStructuredTPointBackend::mapStructuredZComponentImpl
std::enable_if<(Description==9), ValueType >::type VTK_ALWAYS_INLINE mapStructuredZComponentImpl(int k) const
vtkStructuredTPointBackend::mapComponentImpl
std::enable_if<(Description==9), ValueType >::type VTK_ALWAYS_INLINE mapComponentImpl(vtkIdType tupleId, int comp) const
vtkStructuredTPointBackend::mapStructuredTuple
void mapStructuredTuple(int ijk[3], ValueType tuple[3]) const override
vtk::DataArrayValueRange
VTK_ITER_INLINE auto DataArrayValueRange(const ArrayTypePtr &array, ValueIdType start=-1, ValueIdType end=-1) -> typename detail::SelectValueRange< ArrayTypePtr, TupleSize, ForceValueTypeForVtkDataArray >::type
Generate an stl and for-range compatible range of flat AOS iterators from a vtkDataArray.
Definition: vtkDataArrayRange.h:361
vtkStructuredTPointBackend::mapStructuredXComponentImpl
std::enable_if<(Description==9), ValueType >::type VTK_ALWAYS_INLINE mapStructuredXComponentImpl(int i) const
vtkStructuredTPointBackend::GetZCoordinates
vtkDataArray * GetZCoordinates() const override
Get the coordinate arrays used to construct this backend.
Definition: vtkStructuredPointBackend.h:329
vtkStructuredTPointBackend::mapComponent
ValueType mapComponent(vtkIdType tupleId, int comp) const override
vtkStructuredTPointBackend::~vtkStructuredTPointBackend
~vtkStructuredTPointBackend() override
vtkStructuredTPointBackend::GetYCoordinates
vtkDataArray * GetYCoordinates() const override
Get the coordinate arrays used to construct this backend.
Definition: vtkStructuredPointBackend.h:326
vtkExternTemplateMacro
vtkExternTemplateMacro(extern template class VTKCOMMONCORE_EXPORT vtkStructuredPointBackend)
vtkStructuredPointBackend
A backend for the vtkImplicitArray to query structured points efficiently.
Definition: vtkStructuredPointBackend.h:25
vtkStructuredTPointBackend::mapTuple
void mapTuple(vtkIdType tupleId, ValueType tuple[3]) const override
vtkStructuredTPointBackend::mapStructuredZComponent
ValueType mapStructuredZComponent(int k) const override
These function should only be used when direction matrix is NOT identity.
vtkStructuredTPointBackend::mapStructuredXComponent
ValueType mapStructuredXComponent(int i) const override
These function should only be used when direction matrix is NOT identity.
vtkDataArrayRange.h
STL-compatible iterable ranges that provide access to vtkDataArray elements.
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