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
36#include "gdal_alg.h"
37
39
40typedef struct
41{
42 const double *padfX;
43 const double *padfY;
44} GDALGridXYArrays;
45
46typedef struct
47{
48 GDALGridXYArrays *psXYArrays;
49 int i;
50} GDALGridPoint;
51
52typedef struct
53{
54 CPLQuadTree *hQuadTree;
55 double dfInitialSearchRadius;
56 float *pafX; // Aligned to be usable with AVX
57 float *pafY;
58 float *pafZ;
59 GDALTriangulation *psTriangulation;
60 int nInitialFacetIdx;
62 double dfPowerDiv2PreComp;
64 double dfRadiusPower2PreComp;
65} GDALGridExtraParameters;
66
67#ifdef HAVE_SSE_AT_COMPILE_TIME
68 CPLErr GDALGridInverseDistanceToAPower2NoSmoothingNoSearchSSE(
69 const void *poOptions, GUInt32 nPoints, const double *unused_padfX,
70 const double *unused_padfY, const double *unused_padfZ, double dfXPoint,
71 double dfYPoint, double *pdfValue, void *hExtraParamsIn);
72#endif
73
74#ifdef HAVE_AVX_AT_COMPILE_TIME
75 CPLErr GDALGridInverseDistanceToAPower2NoSmoothingNoSearchAVX(
76 const void *poOptions, GUInt32 nPoints, const double *unused_padfX,
77 const double *unused_padfY, const double *unused_padfZ, double dfXPoint,
78 double dfYPoint, double *pdfValue, void *hExtraParamsIn);
79#endif
80
82
83#endif // GDALGRID_PRIV_H
cpl_error.h
CPL error handling services.
CPLErr
CPLErr
Error category.
Definition: cpl_error.h:53
GUInt32
unsigned int GUInt32
Unsigned int32 type.
Definition: cpl_port.h:177
cpl_quad_tree.h
Quad tree implementation.
CPLQuadTree
struct _CPLQuadTree CPLQuadTree
Opaque type for a quad tree.
Definition: cpl_quad_tree.h:65
gdal_alg.h
Public (C callable) GDAL algorithm entry points, and definitions.
GDALTriangulation
Triangulation structure.
Definition: gdal_alg.h:670