mirror of
https://github.com/OpenSpace/OpenSpace.git
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Alexander Bock
95 lines
3.8 KiB
C
95 lines
3.8 KiB
C
/******************************************************************************
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* $Id: gdalgrid_priv.h 538551c247adf9f139ab49ffd68629bf93bb4404 2016-08-13 21:20:46Z Even Rouault $
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*
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* Project: GDAL Gridding API.
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* Purpose: Prototypes, and definitions for of GDAL scattered data gridder.
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* Author: Even Rouault, <even dot rouault at mines dash paris dot org>
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*
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******************************************************************************
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* Copyright (c) 2013, Even Rouault <even dot rouault at mines-paris dot org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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****************************************************************************/
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#ifndef GDALGRID_PRIV_H
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#define GDALGRID_PRIV_H
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#include "cpl_error.h"
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#include "cpl_quad_tree.h"
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//! @cond Doxygen_Suppress
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typedef struct
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{
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const double* padfX;
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const double* padfY;
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} GDALGridXYArrays;
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typedef struct
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{
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GDALGridXYArrays* psXYArrays;
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int i;
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} GDALGridPoint;
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typedef struct
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{
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CPLQuadTree* hQuadTree;
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double dfInitialSearchRadius;
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float *pafX; // Aligned to be usable with AVX
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float *pafY;
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float *pafZ;
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GDALTriangulation* psTriangulation;
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int nInitialFacetIdx;
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/*! Weighting power divided by 2 (pre-computation). */
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double dfPowerDiv2PreComp;
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/*! The radius of search circle squared (pre-computation). */
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double dfRadiusPower2PreComp;
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/*! The radius of search circle to power 4 (pre-computation). */
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double dfRadiusPower4PreComp;
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} GDALGridExtraParameters;
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#ifdef HAVE_SSE_AT_COMPILE_TIME
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CPLErr
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GDALGridInverseDistanceToAPower2NoSmoothingNoSearchSSE(
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const void *poOptions,
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GUInt32 nPoints,
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const double *unused_padfX,
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const double *unused_padfY,
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const double *unused_padfZ,
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double dfXPoint, double dfYPoint,
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double *pdfValue,
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void* hExtraParamsIn );
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#endif
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#ifdef HAVE_AVX_AT_COMPILE_TIME
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CPLErr GDALGridInverseDistanceToAPower2NoSmoothingNoSearchAVX(
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const void *poOptions,
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GUInt32 nPoints,
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const double *unused_padfX,
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const double *unused_padfY,
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const double *unused_padfZ,
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double dfXPoint, double dfYPoint,
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double *pdfValue,
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void* hExtraParamsIn );
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#endif
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//! @endcond
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#endif // GDALGRID_PRIV_H
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