RMAbstractMercatorTileSource.h
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//
// RMAbstractMercatorTileSource.h
//
// Copyright (c) 2008-2012, Route-Me Contributors
// All rights reserved.
//
// 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.
//
// 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.
#import "RMTileSource.h"
#import "RMFractalTileProjection.h"
#pragma mark --- begin constants ---
#define kDefaultTileSize 256
#define kDefaultMinTileZoom 0
#define kDefaultMaxTileZoom 18
#define kDefaultLatLonBoundingBox ((RMSphericalTrapezium){.northEast = {.latitude = 90.0, .longitude = 180.0}, .southWest = {.latitude = -90.0, .longitude = -180.0}})
#pragma mark --- end constants ---
/** Abstract class representing a Mercator projection for the display of map tiles. Developers wanting to provide custom network-based tiles should subclass RMAbstractWebMapSource. */
@interface RMAbstractMercatorTileSource : NSObject <RMTileSource>
@end