GDAL
gdalgrid_priv.h
00001 /******************************************************************************
00002  * $Id: gdalgrid_priv.h 35087 2016-08-13 21:20:46Z rouault $
00003  *
00004  * Project:  GDAL Gridding API.
00005  * Purpose:  Prototypes, and definitions for of GDAL scattered data gridder.
00006  * Author:   Even Rouault, <even dot rouault at mines dash paris dot org>
00007  *
00008  ******************************************************************************
00009  * Copyright (c) 2013, Even Rouault <even dot rouault at mines-paris dot org>
00010  *
00011  * Permission is hereby granted, free of charge, to any person obtaining a
00012  * copy of this software and associated documentation files (the "Software"),
00013  * to deal in the Software without restriction, including without limitation
00014  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
00015  * and/or sell copies of the Software, and to permit persons to whom the
00016  * Software is furnished to do so, subject to the following conditions:
00017  *
00018  * The above copyright notice and this permission notice shall be included
00019  * in all copies or substantial portions of the Software.
00020  *
00021  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00022  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00023  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
00024  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00025  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
00026  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
00027  * DEALINGS IN THE SOFTWARE.
00028  ****************************************************************************/
00029 
00030 #ifndef GDALGRID_PRIV_H
00031 #define GDALGRID_PRIV_H
00032 
00033 #include "cpl_error.h"
00034 #include "cpl_quad_tree.h"
00035 
00037 
00038 typedef struct
00039 {
00040     const double* padfX;
00041     const double* padfY;
00042 } GDALGridXYArrays;
00043 
00044 typedef struct
00045 {
00046     GDALGridXYArrays* psXYArrays;
00047     int               i;
00048 } GDALGridPoint;
00049 
00050 typedef struct
00051 {
00052     CPLQuadTree* hQuadTree;
00053     double       dfInitialSearchRadius;
00054     float *pafX; // Aligned to be usable with AVX
00055     float *pafY;
00056     float *pafZ;
00057     GDALTriangulation* psTriangulation;
00058     int                nInitialFacetIdx;
00060     double  dfPowerDiv2PreComp;
00062     double  dfRadiusPower2PreComp;
00064     double  dfRadiusPower4PreComp;
00065 } GDALGridExtraParameters;
00066 
00067 #ifdef HAVE_SSE_AT_COMPILE_TIME
00068 CPLErr
00069 GDALGridInverseDistanceToAPower2NoSmoothingNoSearchSSE(
00070                                         const void *poOptions,
00071                                         GUInt32 nPoints,
00072                                         const double *unused_padfX,
00073                                         const double *unused_padfY,
00074                                         const double *unused_padfZ,
00075                                         double dfXPoint, double dfYPoint,
00076                                         double *pdfValue,
00077                                         void* hExtraParamsIn );
00078 #endif
00079 
00080 #ifdef HAVE_AVX_AT_COMPILE_TIME
00081 CPLErr GDALGridInverseDistanceToAPower2NoSmoothingNoSearchAVX(
00082                                         const void *poOptions,
00083                                         GUInt32 nPoints,
00084                                         const double *unused_padfX,
00085                                         const double *unused_padfY,
00086                                         const double *unused_padfZ,
00087                                         double dfXPoint, double dfYPoint,
00088                                         double *pdfValue,
00089                                         void* hExtraParamsIn );
00090 #endif
00091 
00093 
00094 #endif // GDALGRID_PRIV_H

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