projects / andy / viking.git / blame
| Commit | Line | Data |
|---|---|---|
| 68b1d6c0 GB |
1 | /* |
| 2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
| 3 | * | |
| 4 | * Copyright (C) 2011, Guilhem Bonnefille <guilhem.bonnefille@gmail.com> | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License as published by | |
| 8 | * the Free Software Foundation; either version 2 of the License, or | |
| 9 | * (at your option) any later version. | |
| 10 | * | |
| 11 | * This program is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | * GNU General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU General Public License | |
| 17 | * along with this program; if not, write to the Free Software | |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 19 | * | |
| 20 | */ | |
| 21 | ||
| 22 | #ifndef __BOUNDING_BOX_H | |
| 23 | #define __BOUNDING_BOX_H | |
| 24 | ||
| 25 | typedef struct { | |
| 26 | gdouble south, north; | |
| 27 | gdouble east, west; | |
| 28 | } LatLonBBox; | |
| 29 | ||
| 30 | /** | |
| 31 | * +--------+ | |
| 32 | * |a | | |
| 33 | * | +--+----+ | |
| 34 | * | | | | | |
| 35 | * +-----+--+ | | |
| 36 | * | b| | |
| 37 | * +-------+ | |
| 38 | */ | |
| 39 | #define BBOX_INTERSECT(a,b) ((a).south < (b).north && (a).north > (b).south && (a).east > (b).west && (a).west < (b).east) | |
| 40 | ||
| 41 | #endif | |
| 42 |