public static EsriEnvelope ProcessEnvelopeNode(XmlReader envelopeNode)
{
string realVal;
EsriEnvelope env = new EsriEnvelope();
while (envelopeNode.MoveToNextAttribute())
{
// international numbers
realVal = envelopeNode.Value.Replace(',', '.');
switch (envelopeNode.Name)
{
case "maxx":
env.maxX = double.Parse(realVal);
break;
case "maxy":
env.maxY = double.Parse(realVal);
break;
case "minx":
env.minX = double.Parse(realVal);
break;
case "miny":
env.minY = double.Parse(realVal);
break;
}
}
return env;
}
public override string GetMapImage(GISService activeService, List<GISLayerInfo> mapLayers, GISEnvelope mapEnvelope, double zoomLevel, int height, int width)
{
//http://basemap.nationalmap.gov/ArcGIS/rest/services/USGSTopo/MapServer/export?bbox=-15809463.2958818%2C2409214.11633487%2C-7845336.4447948%2C7007665.73796985&bboxSR=&layers=&layerdefs=&size=250%2C250&imageSR=&format=png&transparent=false&dpi=&time=&layerTimeOptions=&f=image
EsriEnvelope imageEnvelope = new EsriEnvelope(mapEnvelope);
string activeServiceName = activeService.Id.IndexOf("__") > 0 ? activeService.Id.Substring(0, activeService.Id.IndexOf("__")) : activeService.Id;
string requestUrl = activeService.ServiceType == ServiceType.MapServer ? String.Format(IMAGE_URL, Server.Host, activeServiceName, activeService.ServiceType, imageEnvelope.ToJSON(), height, width, Server.ServletPath, BuildLayers(mapLayers), "image")
: String.Format(EXPORT_IMAGE_URL, Server.Host, activeServiceName, activeService.ServiceType, imageEnvelope.ToJSON(), height, width, Server.ServletPath, BuildLayers(mapLayers), "image");
return requestUrl;
}
//internal static EsriEnvelope Create(ENVELOPE eNVELOPE)
//{
// EsriEnvelope e = new EsriEnvelope();
// e.maxX = double.Parse(eNVELOPE.maxx.Replace(',', '.'));
// e.minX = double.Parse(eNVELOPE.minx.Replace(',', '.'));
// e.maxY = double.Parse(eNVELOPE.maxy.Replace(',', '.'));
// e.minY = double.Parse(eNVELOPE.miny.Replace(',', '.'));
// return e;
//}
internal static GISEnvelope Create(JSONObject s)
{
EsriEnvelope env = new EsriEnvelope(s.getDouble("xmin"), s.getDouble("xmax"), s.getDouble("ymin"), s.getDouble("ymax"));
if (s["spatialReference"] != null)
{
JSONObject o = s.getJSONObject("spatialReference");
int i = o.getInt("wkid");
env.CoordinateSystem = string.Format("EPSG:{0}", i);
}
return env;
}
public override bool GetMap(GISService activeService, GISEnvelope imageEnvelope, List<GISLayerInfo> mapLayers)
{
string requestUrl = string.Empty;
try
{
List<GISLayerInfo> totalLayers = GetTotalLayers(activeService);
EsriEnvelope mapEnvelope = new EsriEnvelope(imageEnvelope);
requestUrl = activeService.ServiceType == ServiceType.MapServer ? String.Format(IMAGE_URL, Server.Host, activeService.Name, activeService.ServiceType, mapEnvelope.ToJSON(), _imageWidth, _imageHeight, Server.ServletPath, BuildLayers(mapLayers), "json")
: String.Format(EXPORT_IMAGE_URL, Server.Host, activeService.Name, activeService.ServiceType, mapEnvelope.ToJSON(), _imageWidth, _imageHeight, Server.ServletPath, BuildLayers(mapLayers), "json");
return GetMap(activeService, totalLayers, mapEnvelope, SetZoomLevel(mapEnvelope, activeService._baseExtent), requestUrl);
}
catch (System.Exception ex)
{
Server.RaiseErrorResponse(new GISResponse() { LastResponse = ex.Message, ErrorMessage = ex.Message, HasError = true, LastRequest = requestUrl, _envelope = imageEnvelope, _layers = mapLayers });
return false;
}
}
public override bool GetMap(GISService activeService, double centerX, double centerY, double zoomLevel)
{
zoomLevel = Math.Min(MaxZoom, Math.Max(MinZoom, zoomLevel));
if (activeService.ActiveLayers.Count == 0 && activeService._baseLayers.Count > 0) activeService.ActiveLayers.Add(activeService._baseLayers[0]);
GISEnvelope mapEnvelope = BuildEnvelope(centerX, centerY, SelectEnvelope(activeService), zoomLevel);
EsriEnvelope env = new EsriEnvelope(mapEnvelope.minX, mapEnvelope.maxX, mapEnvelope.minY, mapEnvelope.maxY);
string activeServiceName = activeService.Id.IndexOf("__") > 0 ? activeService.Id.Substring(0, activeService.Id.IndexOf("__")) : activeService.Id;
string requestUrl = activeService.ServiceType == ServiceType.MapServer ? String.Format(IMAGE_URL, Server.Host, activeServiceName, activeService.ServiceType, env.ToJSON(), _imageWidth, _imageHeight, Server.ServletPath, BuildLayers(activeService.ActiveLayers), "json")
: String.Format(EXPORT_IMAGE_URL, Server.Host, activeServiceName, activeService.ServiceType, env.ToJSON(), _imageWidth, _imageHeight, Server.ServletPath, BuildLayers(activeService.ActiveLayers), "json");
return GetMap(activeService, activeService.ActiveLayers, mapEnvelope, zoomLevel, requestUrl);
}
public override bool GetMap(GISService activeService, GISEnvelope imageEnvelope)
{
EsriEnvelope mapEnvelope = new EsriEnvelope(imageEnvelope);
string activeServiceName = activeService.Id.IndexOf("__") > 0 ? activeService.Id.Substring(0, activeService.Id.IndexOf("__")) : activeService.Id;
string requestUrl = activeService.ServiceType == ServiceType.MapServer ? String.Format(IMAGE_URL, Server.Host, activeServiceName, activeService.ServiceType, mapEnvelope.ToJSON(), _imageWidth, _imageHeight, Server.ServletPath, BuildLayers(activeService.ActiveLayers), "json")
: String.Format(EXPORT_IMAGE_URL, Server.Host, activeServiceName, activeService.ServiceType, mapEnvelope.ToJSON(), _imageWidth, _imageHeight, Server.ServletPath, BuildLayers(activeService.ActiveLayers), "json");
return GetMap(activeService, activeService.ActiveLayers, mapEnvelope, SetZoomLevel(mapEnvelope, SelectEnvelope(activeService)), requestUrl);
}
public override void ExecuteSearch(string searchTerm, SEARCH_TYPE searchType, GISEnvelope searchArea, GISLayerInfo featureLayer)
{
string activeServiceName = Server.ActiveService.Name.IndexOf("__") > 0 ? Server.ActiveService.Name.Substring(0, Server.ActiveService.Name.IndexOf("__")) : Server.ActiveService.Name;
EsriEnvelope queryEnvelope = new EsriEnvelope(searchArea);
string requestUrl = string.Empty;
if (searchType == SEARCH_TYPE.Geocode)
{
//http://planthardiness.ars.usda.gov/ArcGIS/rest/services/uspz/MapServer/identify?geometryType=esriGeometryPoint&geometry=-120%2C40&tolerance=10&mapExtent=-119%2C38%2C-121%2C41&imageDisplay=400%2C300%2C96
//http://services.arcgisonline.com/ArcGIS/rest/services/Specialty/Soil_Survey_Map/MapServer/identify?geometryType=esriGeometryPoint&geometry=19.23865%2C48.23152&sr=102100&layers=0&time=&layerTimeOptions=&layerdefs=&tolerance=100&mapExtent=19.23865%2C48.23152%2C19.23865%2C48.23152&imageDisplay=600%2C550%2C96&returnGeometry=true&maxAllowableOffset=&f=json
requestUrl = String.Format(GEOCODE_URL, Server.Host, Server.ServletPath, activeServiceName, searchArea.CenterX, searchArea.CenterY);
}
else if (searchType == SEARCH_TYPE.Identify)
{
//http://planthardiness.ars.usda.gov/ArcGIS/rest/services/uspz/MapServer/identify?geometryType=esriGeometryPoint&geometry=-120%2C40&tolerance=10&mapExtent=-119%2C38%2C-121%2C41&imageDisplay=400%2C300%2C96
//http://services.arcgisonline.com/ArcGIS/rest/services/Specialty/Soil_Survey_Map/MapServer/identify?geometryType=esriGeometryPoint&geometry=19.23865%2C48.23152&sr=102100&layers=0&time=&layerTimeOptions=&layerdefs=&tolerance=100&mapExtent=19.23865%2C48.23152%2C19.23865%2C48.23152&imageDisplay=600%2C550%2C96&returnGeometry=true&maxAllowableOffset=&f=json
requestUrl = String.Format(GEOCODE_URL, Server.Host, Server.ServletPath, activeServiceName, searchArea.CenterX, searchArea.CenterY);
}
else
{
requestUrl = String.Format(QUERY_URL, Server.Host, activeServiceName, Server.ActiveService.ServiceType, Server.ActiveService.BaseLayers[0].Id, queryEnvelope.ToJSON(), Server.ServletPath);
}
EsriFeatureResponse response = new EsriFeatureResponse();
response._envelope = searchArea;
response._layers = new List<GISLayerInfo>() { featureLayer };
response.HasError = false;
response.LastRequest = requestUrl;
try
{
webClient.GetRequest(requestUrl, new EventHandler<WebEventArgs>(ProcessQueryReturn), response);
//wc.DownloadStringAsync(new Uri(requestUrl), new AsyncState() { Response = response, CurrentState = Server.ActiveService });
}
catch (Exception ex)
{
Server.RaiseSearchResponse(new GISResponse() { HasError = true, ErrorMessage = string.Format("{0}: {1}", ex.Message), LastRequest = requestUrl, LastResponse = string.Empty, _layers = new List<GISLayerInfo>() { Server.ActiveService.BaseLayers[0] }, _envelope = queryEnvelope });
}
}
