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//
// MAHeatMapTileOverlay.h
// test2D
//
// Created by xiaoming han on 15/4/21.
// Copyright (c) 2015年 Amap. All rights reserved.
//
#import "MAConfig.h"
#if MA_INCLUDE_OVERLAY_HEATMAP
#import "MATileOverlay.h"
///热力图节点
@interface MAHeatMapNode : NSObject
///经纬度
@property (nonatomic, assign) CLLocationCoordinate2D coordinate;
///强度
@property (nonatomic, assign) float intensity;
@end
///热力图渐变属性
@interface MAHeatMapGradient : NSObject<NSCopying>
///颜色变化数组。 default [blue,green,red]
@property (nonatomic, readonly) NSArray<UIColor *> *colors;
///颜色变化起点，需为递增数组，区间为(0, 1)。default[@(0.2),@(0.5),@(0,9)]
@property (nonatomic, readonly) NSArray<NSNumber *> *startPoints;
/**
* @brief 重新设置gradient的时候，需要执行 MATileOverlayRenderer 的 reloadData 方法重刷新渲染缓存。
* @param colors 颜色
* @param startPoints startPoints
* @return instance
*/
- (instancetype)initWithColor:(NSArray<UIColor *> *)colors andWithStartPoints:(NSArray<NSNumber *> *)startPoints;
@end
///热力图tileOverlay
@interface MAHeatMapTileOverlay : MATileOverlay
///MAHeatMapNode array
@property (nonatomic, strong) NSArray<MAHeatMapNode *> *data;
///热力图半径，默认为12，范围:0-100 screen point
@property (nonatomic, assign) NSInteger radius;
///透明度，默认为0.6，范围：0-1
@property (nonatomic, assign) CGFloat opacity;
///热力图梯度
@property (nonatomic, strong) MAHeatMapGradient *gradient;
///是否开启高清热力图，默认关闭
@property (nonatomic, assign) BOOL allowRetinaAdapting;
@end
#endif
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