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// MAHeatMapTileOverlay.h
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// test2D
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//
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// Created by xiaoming han on 15/4/21.
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// Copyright (c) 2015年 Amap. All rights reserved.
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//
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#import "MAConfig.h"
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#if MA_INCLUDE_OVERLAY_HEATMAP
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#import "MATileOverlay.h"
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///热力图节点
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@interface MAHeatMapNode : NSObject
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///经纬度
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@property (nonatomic, assign) CLLocationCoordinate2D coordinate;
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///强度
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@property (nonatomic, assign) float intensity;
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@end
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///热力图渐变属性
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@interface MAHeatMapGradient : NSObject<NSCopying>
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///颜色变化数组。 default [blue,green,red]
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@property (nonatomic, readonly) NSArray<UIColor *> *colors;
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///颜色变化起点，需为递增数组，区间为(0, 1)。default[@(0.2),@(0.5),@(0,9)]
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@property (nonatomic, readonly) NSArray<NSNumber *> *startPoints;
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/**
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* @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。
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* @param colors 颜色
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* @param startPoints startPoints
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* @return instance
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*/
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- (instancetype)initWithColor:(NSArray<UIColor *> *)colors andWithStartPoints:(NSArray<NSNumber *> *)startPoints;
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@end
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///热力图tileOverlay
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@interface MAHeatMapTileOverlay : MATileOverlay
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///MAHeatMapNode array
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@property (nonatomic, strong) NSArray<MAHeatMapNode *> *data;
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///热力图半径，默认为12，范围:10-200 screen point
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@property (nonatomic, assign) NSInteger radius;
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///透明度，默认为0.6，范围：0-1
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@property (nonatomic, assign) CGFloat opacity;
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///热力图梯度
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@property (nonatomic, strong) MAHeatMapGradient *gradient;
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///是否开启高清热力图，默认关闭
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@property (nonatomic, assign) BOOL allowRetinaAdapting;
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@end
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#endif
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