GDAL

gdalgrid_priv.h
1 /******************************************************************************
2 * $Id$
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 spatialys.com>
7 *
8 ******************************************************************************
9 * Copyright (c) 2013, Even Rouault <even dot rouault at spatialys.com>
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
cpl_error.h
CPLQuadTree
struct _CPLQuadTree CPLQuadTree
Opaque type for a quad tree.
Definition: cpl_quad_tree.h:64
CPLErr
CPLErr
Error category.
Definition: cpl_error.h:52
cpl_quad_tree.h
GDALTriangulation
Triangulation structure.
Definition: gdal_alg.h:664
GUInt32
unsigned int GUInt32
Unsigned int32 type.
Definition: cpl_port.h:195