我刚刚将我的项目从arcgis 运行时 10.2 升级到 100.2.1,我能够运行 AGSFeature 图层,但AGSArcGISMapImageLayer出现了问题
我只是加载包含子层的AGSArcGISMapImageLayer层并像这样获取其数据
let mapServiceInfo = (dynamicMapServiceLayer as? AGSArcGISMapImageLayer).mapServiceInfo
if let layerInfos = mapServiceInfo?.layerInfos {
for layerInfo in layerInfos {
//get the sublayer data
}
}
现在我只是根据用户要求显示和隐藏图层
为此,我检查了此 ArcGIS 链接:- 显示隐藏图像图层的链接
但是,在使用上述过程获取子图层的上述数据时,它给了我 10 个子图层数据
但是根据我使用该方法时的链接
dynamicMapServiceLayer.mapImageSublayers.count
然后它只返回两个对象或子图层因此,我无法实现显示隐藏功能
那么我应该如何在我的情况下使用上述链接方法? 或者还有其他方法可以做到这一点吗?
通过搜索 api,我找到了隐藏或显示动态地图图层的解决方案(AGSArcGISMapImageLayer(
**layersHidden** is an array which contain the url of layers which I want to hide from map
let mapServiceInfo = dynamicMapServiceLayer?.mapServiceInfo
let layerInfos = mapServiceInfo?.layerInfos
for layerInfo in layerInfos {
if layerInfo.sublayerIDs.count == 0 {
// Get the url for the layer.
let layerUrl = "(mapServiceInfo?.url?.absoluteString ?? "")/(UInt(layerInfo.id))"
// add the name of layers which we want to hide from map in visibleLayers array
if layersHidden.contains(layerUrl) {
visibleLayers.append(layerInfo.name)
}
}
}
像这样的隐藏层
对于我在 0...((动态地图服务层?.mapImageSublayers.count(!-1( { let layer = dynamicMapServiceLayer?.mapImageSublayers[i] as!AGSArcGISMapImageSublayer
for subLayer in layer.subLayerContents {
if visibleLayers.contains(subLayer.name) {
subLayer.isVisible = false
}
else {
subLayer.isVisible = true
}
}
}