Question

AGSGraphic *graphic;
AGSPoint *graphicPoint;
NSMutableDictionary *graphicAttributes;
AGSPictureMarkerSymbol *graphicSymbol;


   //Graphic for demonstrating custom callout with buttons
    graphicPoint = [AGSPoint pointWithX:sample.latitude y:sample.longitude spatialReference:self.mapView.spatialReference];

    graphicAttributes=[[NSMutableDictionary alloc]initWithCapacity:3];
    [graphicAttributes setObject:[NSString stringWithFormat:@"%d",sample.sampleId] forKey:@"SampleID"];
    [graphicAttributes setObject:mapData.SurveyData forKey:@"SurveyData" ];

    NSLog(@"%@",[graphicAttributes objectForKey:@"SurveyData"]);
    NSLog(@"%@", [graphicAttributes allKeys]);

    graphicSymbol = [AGSPictureMarkerSymbol pictureMarkerSymbolWithImageNamed:@"MapPin_Blue.png"];
    graphic = [AGSGraphic graphicWithGeometry:graphicPoint symbol:graphicSymbol attributes:graphicAttributes infoTemplateDelegate:self];

    NSLog(@"%@", [[graphic allAttributes] allKeys]);

    [self.graphicsLayer addGraphic:graphic];

日志仅为SampleID提供密钥，而不是SurveyData，这是NSArray！为什么会这样？

Answer 1

似乎AGSGraphic的属性仅支持ArcGIS 10.1.1中的NSNull，NSString，NSDate和NSNumber。您可以参考这些文档。

我的解决方案是通过使用您需要的任何属性扩展AGSGraphic来构建我自己的AGSGraphic。如下所示：

@interface CustomAGSGraphic : AGSGraphic

@property(nonatomic,retain) NSMutableDictionary *attrDictionary;

@end

它就像一个魅力。希望它可以提供帮助。

ARCGIS：AGSGraphic不返回属性字典中的对象

1 个答案: