/usr/include/mapserver/maptree.h is in libmapserver-dev 7.0.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* $Id$
*
* Project: MapServer
* Purpose: .qix spatial index declarations.
* Author: Steve Lime and the MapServer team.
*
******************************************************************************
* Copyright (c) 1996-2005 Regents of the University of Minnesota.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of this Software or works derived from this Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#ifndef MAPTREE_H
#define MAPTREE_H
#ifdef __cplusplus
extern "C" {
#endif
/* this can be 2 or 4 for binary or quad tree */
#define MAX_SUBNODES 4
typedef struct shape_tree_node {
/* area covered by this node */
rectObj rect;
/* list of shapes stored at this node. */
ms_int32 numshapes;
ms_int32 *ids;
int numsubnodes;
struct shape_tree_node *subnode[MAX_SUBNODES];
} treeNodeObj;
typedef struct {
ms_int32 numshapes;
ms_int32 maxdepth;
treeNodeObj *root;
} treeObj;
typedef struct {
FILE *fp;
char signature[3];
char LSB_order;
char needswap;
char version;
char flags[3];
ms_int32 nShapes;
ms_int32 nDepth;
} SHPTreeInfo;
typedef SHPTreeInfo * SHPTreeHandle;
#define MS_LSB_ORDER -1
#define MS_MSB_ORDER -2
#define MS_NATIVE_ORDER 0
#define MS_NEW_LSB_ORDER 1
#define MS_NEW_MSB_ORDER 2
MS_DLL_EXPORT SHPTreeHandle msSHPDiskTreeOpen(const char * pszTree, int debug);
MS_DLL_EXPORT void msSHPDiskTreeClose(SHPTreeHandle disktree);
MS_DLL_EXPORT treeNodeObj *readTreeNode( SHPTreeHandle disktree );
MS_DLL_EXPORT treeObj *msCreateTree(shapefileObj *shapefile, int maxdepth);
MS_DLL_EXPORT void msTreeTrim(treeObj *tree);
MS_DLL_EXPORT void msDestroyTree(treeObj *tree);
MS_DLL_EXPORT ms_bitarray msSearchTree(const treeObj *tree, rectObj aoi);
MS_DLL_EXPORT ms_bitarray msSearchDiskTree(const char *filename, rectObj aoi, int debug);
MS_DLL_EXPORT treeObj *msReadTree(char *filename, int debug);
MS_DLL_EXPORT int msWriteTree(treeObj *tree, char *filename, int LSB_order);
MS_DLL_EXPORT void msFilterTreeSearch(shapefileObj *shp, ms_bitarray status, rectObj search_rect);
#ifdef __cplusplus
}
#endif
#endif /* MAPTREE_H */
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