/* * viking -- GPS Data and Topo Analyzer, Explorer, and Manager * * Copyright (C) 2011, Guilhem Bonnefille * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #ifndef __BOUNDING_BOX_H #define __BOUNDING_BOX_H typedef struct { gdouble south, north; gdouble east, west; } LatLonBBox; /** * +--------+ * |a | * | +--+----+ * | | | | * +-----+--+ | * | b| * +-------+ */ #define BBOX_INTERSECT(a,b) ((a).south < (b).north && (a).north > (b).south && (a).east > (b).west && (a).west < (b).east) #endif