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arcgis for ios 计算距离和面积

2017-01-10 11:53 316 查看
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计算距离的代码：

AGSSketchGraphicsLayer *measureSketchLayer = (AGSSketchGraphicsLayer *)[self.mapView mapLayerForName:MEASURE_SKETCH_LAYER];

AGSGeometry *sketchGeometry = measureSketchLayer.geometry;
AGSGeometryEngine *geometryEngine = [AGSGeometryEngine defaultGeometryEngine];

self.distance = [geometryEngine geodesicLengthOfGeometry:sketchGeometry inUnit:AGSSRUnitMeter];


计算面积的代码：

AGSSketchGraphicsLayer *measureSketchLayer = (AGSSketchGraphicsLayer *)[self.mapView mapLayerForName:MEASURE_SKETCH_LAYER];

AGSGeometry *sketchGeometry = measureSketchLayer.geometry;
AGSGeometryEngine *geometryEngine = [AGSGeometryEngine defaultGeometryEngine];

self.area = [geometryEngine shapePreservingAreaOfGeometry:sketchGeometry inUnit:AGSAreaUnitsSquareMeters];
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标签：  ios arcgis 地图
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