/usr/include/octomap/OcTreeLUTdefs.h is in liboctomap-dev 1.6.8+dfsg-2.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* OctoMap - An Efficient Probabilistic 3D Mapping Framework Based on Octrees
* http://octomap.github.com/
*
* Copyright (c) 2009-2013, K.M. Wurm and A. Hornung, University of Freiburg
* All rights reserved.
* License: New BSD
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the University of Freiburg nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
// TODO: convert defines to ENUMs
// Lookup table for neighbor search
//front
#define LUT_N 0
#define LUT_S 1
#define LUT_E 2
#define LUT_W 3
#define LUT_F 4
#define LUT_R 5
//edge
#define LUT_NW 6
#define LUT_NE 7
#define LUT_SW 8
#define LUT_SE 9
#define LUT_FN 10
#define LUT_RN 11
#define LUT_FS 12
#define LUT_RS 13
#define LUT_FE 14
#define LUT_FW 15
#define LUT_RE 16
#define LUT_RW 17
//vertex
#define LUT_FNE 18
#define LUT_FNW 19
#define LUT_FSE 20
#define LUT_FSW 21
#define LUT_RNE 22
#define LUT_RNW 23
#define LUT_RSE 24
#define LUT_RSW 25
//edge rec.-values
#define LUT_NW_TO_W 3
#define LUT_NW_TO_N 6
#define LUT_NE_TO_E 5
#define LUT_NE_TO_N 7
#define LUT_SW_TO_S 7
#define LUT_SW_TO_W 5
#define LUT_SE_TO_E 7
#define LUT_SE_TO_S 8
#define LUT_FN_TO_F 6
#define LUT_FN_TO_N 10
#define LUT_RN_TO_N 11
#define LUT_RN_TO_R 6
#define LUT_FS_TO_F 8
#define LUT_FS_TO_S 11
#define LUT_RS_TO_R 8
#define LUT_RS_TO_S 12
#define LUT_FE_TO_F 10
#define LUT_FE_TO_E 12
#define LUT_FW_TO_F 11
#define LUT_FW_TO_W 12
#define LUT_RE_TO_R 11
#define LUT_RE_TO_E 14
#define LUT_RW_TO_R 12
#define LUT_RW_TO_W 14
//vertex rec.values
#define LUT_FNE_TO_E 16
#define LUT_FNE_TO_N 18
#define LUT_FNE_TO_NE 11
#define LUT_FNE_TO_F 14
#define LUT_FNE_TO_FN 8
#define LUT_FNE_TO_FE 4
#define LUT_FNW_TO_W 16
#define LUT_FNW_TO_NW 13
#define LUT_FNW_TO_N 19
#define LUT_FNW_TO_FW 4
#define LUT_FNW_TO_F 15
#define LUT_FNW_TO_FN 9
#define LUT_FSE_TO_S 19
#define LUT_FSE_TO_SE 11
#define LUT_FSE_TO_E 18
#define LUT_FSE_TO_FS 8
#define LUT_FSE_TO_F 16
#define LUT_FSE_TO_FE 6
#define LUT_FSW_TO_SW 13
#define LUT_FSW_TO_S 20
#define LUT_FSW_TO_W 18
#define LUT_FSW_TO_FS 9
#define LUT_FSW_TO_FW 6
#define LUT_FSW_TO_F 17
#define LUT_RNE_TO_R 17
#define LUT_RNE_TO_RE 6
#define LUT_RNE_TO_RN 11
#define LUT_RNE_TO_E 20
#define LUT_RNE_TO_N 22
#define LUT_RNE_TO_NE 15
#define LUT_RNW_TO_RW 6
#define LUT_RNW_TO_R 18
#define LUT_RNW_TO_RN 12
#define LUT_RNW_TO_W 20
#define LUT_RNW_TO_NW 17
#define LUT_RNW_TO_N 23
#define LUT_RSE_TO_RS 11
#define LUT_RSE_TO_R 19
#define LUT_RSE_TO_RE 8
#define LUT_RSE_TO_S 23
#define LUT_RSE_TO_SE 15
#define LUT_RSE_TO_E 22
#define LUT_RSW_TO_RS 12
#define LUT_RSW_TO_RW 8
#define LUT_RSW_TO_R 20
#define LUT_RSW_TO_SW 17
#define LUT_RSW_TO_S 24
#define LUT_RSW_TO_W 22
#define LUT_SELF 0
#define LUT_NO_REC 127
//#define LUT_ 0
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