GDAL
gdalgrid_priv.h
1 /******************************************************************************
2  * $Id: gdalgrid_priv.h 35087 2016-08-13 21:20:46Z rouault $
3  *
4  * Project: GDAL Gridding API.
5  * Purpose: Prototypes, and definitions for of GDAL scattered data gridder.
6  * Author: Even Rouault, <even dot rouault at mines dash paris dot org>
7  *
8  ******************************************************************************
9  * Copyright (c) 2013, Even Rouault <even dot rouault at mines-paris dot org>
10  *
11  * Permission is hereby granted, free of charge, to any person obtaining a
12  * copy of this software and associated documentation files (the "Software"),
13  * to deal in the Software without restriction, including without limitation
14  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15  * and/or sell copies of the Software, and to permit persons to whom the
16  * Software is furnished to do so, subject to the following conditions:
17  *
18  * The above copyright notice and this permission notice shall be included
19  * in all copies or substantial portions of the Software.
20  *
21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27  * DEALINGS IN THE SOFTWARE.
28  ****************************************************************************/
29 
30 #ifndef GDALGRID_PRIV_H
31 #define GDALGRID_PRIV_H
32 
33 #include "cpl_error.h"
34 #include "cpl_quad_tree.h"
35 
37 
38 typedef struct
39 {
40  const double* padfX;
41  const double* padfY;
42 } GDALGridXYArrays;
43 
44 typedef struct
45 {
46  GDALGridXYArrays* psXYArrays;
47  int i;
48 } GDALGridPoint;
49 
50 typedef struct
51 {
52  CPLQuadTree* hQuadTree;
53  double dfInitialSearchRadius;
54  float *pafX; // Aligned to be usable with AVX
55  float *pafY;
56  float *pafZ;
57  GDALTriangulation* psTriangulation;
58  int nInitialFacetIdx;
60  double dfPowerDiv2PreComp;
62  double dfRadiusPower2PreComp;
64  double dfRadiusPower4PreComp;
65 } GDALGridExtraParameters;
66 
67 #ifdef HAVE_SSE_AT_COMPILE_TIME
68 CPLErr
69 GDALGridInverseDistanceToAPower2NoSmoothingNoSearchSSE(
70  const void *poOptions,
71  GUInt32 nPoints,
72  const double *unused_padfX,
73  const double *unused_padfY,
74  const double *unused_padfZ,
75  double dfXPoint, double dfYPoint,
76  double *pdfValue,
77  void* hExtraParamsIn );
78 #endif
79 
80 #ifdef HAVE_AVX_AT_COMPILE_TIME
81 CPLErr GDALGridInverseDistanceToAPower2NoSmoothingNoSearchAVX(
82  const void *poOptions,
83  GUInt32 nPoints,
84  const double *unused_padfX,
85  const double *unused_padfY,
86  const double *unused_padfZ,
87  double dfXPoint, double dfYPoint,
88  double *pdfValue,
89  void* hExtraParamsIn );
90 #endif
91 
93 
94 #endif // GDALGRID_PRIV_H
unsigned int GUInt32
Unsigned int32 type.
Definition: cpl_port.h:199
Quad tree implementation.
CPL error handling services.
struct _CPLQuadTree CPLQuadTree
Opaque type for a quad tree.
Definition: cpl_quad_tree.h:62
CPLErr
Error category.
Definition: cpl_error.h:52
Triangulation structure.
Definition: gdal_alg.h:577

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