mirror of https://gitee.com/bigwinds/arangodb
114 lines
4.8 KiB
C
114 lines
4.8 KiB
C
////////////////////////////////////////////////////////////////////////////////
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/// @brief geo index
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2014 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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/// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
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/// @author Copyright 2013, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGODB_GEO_INDEX_GEO__INDEX_H
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#define ARANGODB_GEO_INDEX_GEO__INDEX_H 1
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#include "Basics/Common.h"
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#include "VocBase/index.h"
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// -----------------------------------------------------------------------------
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// --SECTION-- GEO INDEX
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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// --SECTION-- constructors and destructors
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @brief creates a geo-index for lists
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////////////////////////////////////////////////////////////////////////////////
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TRI_index_t* TRI_CreateGeo1Index (struct TRI_document_collection_t*,
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TRI_idx_iid_t,
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char const*,
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TRI_shape_pid_t,
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bool,
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bool,
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bool);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief creates a geo-index for arrays
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////////////////////////////////////////////////////////////////////////////////
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TRI_index_t* TRI_CreateGeo2Index (struct TRI_document_collection_t*,
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TRI_idx_iid_t,
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char const*,
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TRI_shape_pid_t ,
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char const*,
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TRI_shape_pid_t,
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bool,
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bool);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief frees the memory allocated, but does not free the pointer
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////////////////////////////////////////////////////////////////////////////////
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void TRI_DestroyGeoIndex (TRI_index_t* idx);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief frees the memory allocated and frees the pointer
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////////////////////////////////////////////////////////////////////////////////
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void TRI_FreeGeoIndex (TRI_index_t* idx);
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// -----------------------------------------------------------------------------
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// --SECTION-- public functions
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @brief looks up all points within a given radius
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////////////////////////////////////////////////////////////////////////////////
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GeoCoordinates* TRI_WithinGeoIndex (TRI_index_t* idx,
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double lat,
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double lon,
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double radius);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief looks up the nearest points
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////////////////////////////////////////////////////////////////////////////////
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GeoCoordinates* TRI_NearestGeoIndex (TRI_index_t* idx,
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double lat,
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double lon,
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size_t count);
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#endif
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// -----------------------------------------------------------------------------
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// --SECTION-- END-OF-FILE
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// -----------------------------------------------------------------------------
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @page\\|// --SECTION--\\|/// @\\}"
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// End:
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