如何使用 ARCGIS API 获取路线的静态图像？

问题描述

Arcgis 有一个实用程序 API，可以使用不同的图层生成地图图像。

我想生成一个嵌入了路线的静态图像。

这是他们生成图像的示例。但是，我找不到任何关于如何将路由层添加到有效负载以便在图像中获取路由的精确文档

地图图像的示例 cURL（无路线）：

curl --location --request POST 'https://utility.arcgisonline.com/arcgis/rest/services/Utilities/PrintingTools/GPServer/Export Web Map Task/execute' \
--header 'Content-Type: application/x-www-form-urlencoded' \
--data-urlencode 'f=json' \
--data-urlencode 'format=PNG32' \
--data-urlencode 'Layout_Template=MAP_ONLY' \
--data-urlencode 'Web_Map_as_JSON={
  "mapOptions": {
    "extent": {
      "xmin": -118.85360990096176,"ymin": 33.99062491328014,"xmax": -118.75318799544432,"ymax": 34.04042561067984,"spatialReference": {
        "wkid": 4326
      }
    }
  },"operationalLayers": [
    {
      "opacity":0.35,"featureCollection": {
        "layers": [
          {
            "layerDeFinition": {
              "name": "pointLayer","geometryType": "esriGeometryPoint","drawingInfo": {
                "renderer": {
                  "type": "simple","symbol": {
                    "type": "esriSMS","style": "esriSMSCircle","color": [
                      255,165,194,255
                    ],"size": 50,"outline": {
                      "color": [
                        255,48,144,255
                      ],"width": 3
                    }
                  }
                }
              }
            },"featureSet": {
              "features": [
                {
                  "geometry": {
                    "x": -118.80619999999999,"y": 34.00167000000005,"spatialReference": {
                      "wkid": 4326
                    }
                  }
                }
              ]
            }
          }
        ]
      }
    },{
      "url":"https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Trailheads/FeatureServer/0","opacity":1,"layerDeFinition":{
        "drawingInfo":{
          "renderer":{
            "type":"simple","symbol":{
              "angle":0,"xoffset":0,"yoffset":0,"type":"esriPMS","url":"http://static.arcgis.com/images/Symbols/NPS/npsPictograph_0231b.png","imageData":"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","contentType":"image/png","width":10.5,"height":10.5
            }
          }
        }
      }
    }
  ],"baseMap" : {
    "title" : "Topographic Basemap","baseMapLayers" :  [
      {
        "url" : "https://services.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer"
      }
    ]
  },"exportOptions": {
    "outputSize" :  [600,400]
  }
}'```

解决方法

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