Revision 28, 1.2 KB
(checked in by anton, 3 years ago)
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1 | /* |
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2 | * Alpha-Shapes for PostgreSQL |
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3 | * |
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4 | * Copyright (c) 2006 Anton A. Patrushev, Orkney, Inc. |
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5 | * |
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6 | * This program is free software; you can redistribute it and/or modify |
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7 | * it under the terms of the GNU General Public License as published by |
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8 | * the Free Software Foundation; either version 2 of the License, or |
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9 | * (at your option) any later version. |
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10 | * |
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11 | * This program is distributed in the hope that it will be useful, |
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | * GNU General Public License for more details. |
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15 | * |
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16 | * You should have received a copy of the GNU General Public License |
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17 | * along with this program; if not, write to the Free Software |
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18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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19 | * |
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20 | */ |
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21 | |
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22 | #define _ALPHA_H |
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23 | |
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24 | #include "postgres.h" |
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25 | #include "dijkstra.h" |
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26 | |
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27 | typedef struct vertex |
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28 | { |
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29 | float8 x; |
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30 | float8 y; |
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31 | } vertex_t; |
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32 | |
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33 | |
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34 | #ifdef __cplusplus |
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35 | extern "C" |
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36 | { |
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37 | #endif |
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38 | |
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39 | int alpha_shape(vertex_t *vertices, unsigned int count, |
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40 | vertex_t **res, int *res_count, char **err_msg); |
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41 | |
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42 | #ifdef __cplusplus |
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43 | } |
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44 | #endif |
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45 | |
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46 | |
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