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Revision 25, 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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