RMProjection.h
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//
// RMProjection.h
// MapView
//
// Created by Joseph Gentle on 18/08/08.
// Copyright 2008 __MyCompanyName__. All rights reserved.
//
#import <Foundation/Foundation.h>
#import <CoreLocation/CoreLocation.h>
#import "RMFoundation.h"
#import "RMLatLong.h"
@interface RMProjection : NSObject
{
// This is actually a projPJ, but I don't want to need
// to include proj_api here.
void* internalProjection;
RMXYRect bounds;
BOOL projectionWrapsHorizontally;
}
@property (readonly) void* internalProjection;
@property (readonly) RMXYRect bounds;
@property (readwrite) BOOL projectionWrapsHorizontally;
// Assuming the earth is round, this will wrap a point around the bounds.
- (RMXYPoint) wrapPointHorizontally: (RMXYPoint) aPoint;
// This method wraps the x and clamps the y.
- (RMXYPoint) constrainPointToBounds: (RMXYPoint) aPoint;
+ (RMProjection *) googleProjection;
+ (RMProjection *) EPSGLatLong;
+ (RMProjection *) OSGB;
- (id) initWithString: (NSString*)params InBounds: (RMXYRect) projBounds;
- (RMLatLong)pointToLatLong:(RMXYPoint)aPoint;
- (RMXYPoint)latLongToPoint:(RMLatLong)aLatLong;
@end