private JSONArray getLayerInfo()
{
JSONArray layersArray = new JSONArray();
for (int i = 0; i < this.layerInfos.Count; i++)
{
IMapLayerInfo layerInfo = layerInfos.get_Element(i);
JSONObject jo = new JSONObject();
jo.AddString("name", layerInfo.Name);
jo.AddLong("id", layerInfo.ID);
jo.AddString("description", layerInfo.Description);
layersArray.AddJSONObject(jo);
}
return(layersArray);
}
private byte[] LayersResHandler(NameValueCollection boundVariables, string outputFormat, string requestProperties, out string responseProperties)
{
responseProperties = "{\"Content-Type\" : \"application/json\"}";
String aoLayerType = "";
if (this.layerType.Equals("feature"))
{
aoLayerType = "Feature Layer";
}
else if (this.layerType.Equals("raster"))
{
aoLayerType = "Raster Layer";
}
else if (this.layerType.Equals("dataset"))
{
aoLayerType = "Network Dataset Layer";
}
else
{
throw new Exception("Propety layerType has invalid value. Acceptable values are \"feature\", \"raster\", and \"dataset\".");
}
JSONArray layersArray = new JSONArray();
for (int i = 0; i < this.layerInfos.Count; i++)
{
IMapLayerInfo layerInfo = layerInfos.get_Element(i);
String lType = layerInfo.Type;
if (lType.Equals(aoLayerType))
{
JSONObject jo = new JSONObject();
jo.AddString("name", layerInfo.Name);
jo.AddLong("id", layerInfo.ID);
jo.AddString("description", layerInfo.Description);
layersArray.AddJSONObject(jo);
}
}
JSONObject result = new JSONObject();
result.AddJSONArray("Layers", layersArray);
return(Encoding.UTF8.GetBytes(result.ToJSONString(null)));
}
private byte[] LayersResHandler(NameValueCollection boundVariables, string outputFormat, string requestProperties, out string responseProperties)
{
responseProperties = "{\"Content-Type\" : \"application/json\"}";
JSONArray layersArray = new JSONArray();
for (int i = 0; i < this.layerInfos.Count; i++)
{
IMapLayerInfo layerInfo = layerInfos.get_Element(i);
JSONObject jo = new JSONObject();
jo.AddString("name", layerInfo.Name);
jo.AddLong("id", layerInfo.ID);
jo.AddString("type", layerInfo.Type);
jo.AddString("description", layerInfo.Description);
layersArray.AddJSONObject(jo);
}
JSONObject result = new JSONObject();
result.AddJSONArray("layers", layersArray);
return(Encoding.UTF8.GetBytes(result.ToJSONString(null)));
}
private JSONArray getLayerInfo()
{
JSONArray layersArray = new JSONArray();
for (int i = 0; i < this.layerInfos.Count; i++)
{
IMapLayerInfo layerInfo = layerInfos.get_Element(i);
JSONObject jo = new JSONObject();
jo.AddString("name", layerInfo.Name);
jo.AddLong("id", layerInfo.ID);
jo.AddString("description", layerInfo.Description);
layersArray.AddJSONObject(jo);
}
return layersArray;
}
private byte[] LayersResHandler(NameValueCollection boundVariables, string outputFormat, string requestProperties, out string responseProperties)
{
responseProperties = "{\"Content-Type\" : \"application/json\"}";
String aoLayerType = "";
if (this.layerType.Equals("feature"))
{
aoLayerType = "Feature Layer";
}
else if (this.layerType.Equals("raster"))
{
aoLayerType = "Raster Layer";
}
else if (this.layerType.Equals("dataset"))
{
aoLayerType = "Network Dataset Layer";
}
else
{
throw new Exception("Propety layerType has invalid value. Acceptable values are \"feature\", \"raster\", and \"dataset\".");
}
JSONArray layersArray = new JSONArray();
for (int i = 0; i < this.layerInfos.Count; i++)
{
IMapLayerInfo layerInfo = layerInfos.get_Element(i);
String lType = layerInfo.Type;
if (lType.Equals(aoLayerType))
{
JSONObject jo = new JSONObject();
jo.AddString("name", layerInfo.Name);
jo.AddLong("id", layerInfo.ID);
jo.AddString("description", layerInfo.Description);
layersArray.AddJSONObject(jo);
}
}
JSONObject result = new JSONObject();
result.AddJSONArray("Layers", layersArray);
return Encoding.UTF8.GetBytes(result.ToJSONString(null));
}
private byte[] LayersResHandler(NameValueCollection boundVariables, string outputFormat, string requestProperties, out string responseProperties)
{
responseProperties = "{\"Content-Type\" : \"application/json\"}";
JSONArray layersArray = new JSONArray();
for (int i = 0; i < this.layerInfos.Count; i++)
{
IMapLayerInfo layerInfo = layerInfos.get_Element(i);
JSONObject jo = new JSONObject();
jo.AddString("name", layerInfo.Name);
jo.AddLong("id", layerInfo.ID);
jo.AddBoolean("addlayer", false);
jo.AddString("description", layerInfo.Description);
layersArray.AddJSONObject(jo);
}
JSONObject result = new JSONObject();
result.AddJSONArray("layers", layersArray);
return Encoding.UTF8.GetBytes(result.ToJSONString(null));
}
private byte[] QueryByExtentHandler(NameValueCollection boundVariables,
JsonObject operationInput,
string outputFormat,
string requestProperties,
out string responseProperties)
{
responseProperties = null;
if (networkDataset == null)
{
throw new NullReferenceException("Could not access the network dataset.");
}
if (!operationInput.TryGetString("Extent", out var envelopeString))
{
throw new ArgumentNullException("Extent is invalid.");
}
var coords = envelopeString.Split(';');
var minCoords = coords[0].Split(',');
var maxCoords = coords[1].Split(',');
double.TryParse(minCoords[0].Trim(), out var minX);
double.TryParse(minCoords[1].Trim(), out var minY);
double.TryParse(maxCoords[0].Trim(), out var maxX);
double.TryParse(maxCoords[0].Trim(), out var maxY);
// Find features in envelope
IEnvelope env = new EnvelopeClass();
env.PutCoords(minX, minY, maxX, maxY);
ISpatialFilter spatialFilter = new SpatialFilter();
spatialFilter.Geometry = env;
spatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
// Add selected features OID into LongArray
ILongArray oIDs = new LongArray();
IFeatureCursor fCursor = streetFC.Search(spatialFilter, true);
IFeature feature = fCursor.NextFeature();
while (feature != null)
{
oIDs.Add(feature.OID);
feature = fCursor.NextFeature();
}
// Get the network edges corresponding to the streets and write out information about them
INetworkQuery networkQuery = networkDataset as INetworkQuery;
INetworkJunction fromJunction =
networkQuery.CreateNetworkElement(esriNetworkElementType.esriNETJunction) as INetworkJunction;
INetworkJunction toJunction =
networkQuery.CreateNetworkElement(esriNetworkElementType.esriNETJunction) as INetworkJunction;
IEnumNetworkElement networkElements = networkQuery.ElementsByOIDs[streetsSourceID, oIDs];
INetworkElement networkElement = networkElements.Next();
JSONObject result = new JSONObject();
JSONArray elementArray = new JSONArray();
INetworkEdge networkEdge;
while (networkElement != null)
{
JSONObject jo = new JSONObject();
networkEdge = networkElement as INetworkEdge;
networkEdge.QueryJunctions(fromJunction, toJunction);
double travelTime = (double)networkEdge.AttributeValue[travelTimeAttributeID];
jo.AddLong("EdgeID", networkEdge.EID);
jo.AddLong("FromJunctionID", fromJunction.EID);
jo.AddLong("ToJunctionID", toJunction.EID);
jo.AddDoubleEx(costAttributeName, travelTime, 4);
elementArray.AddJSONObject(jo);
networkElement = networkElements.Next();
}
result.AddJSONArray("NetworkElements", elementArray);
return(Encoding.UTF8.GetBytes(result.ToJSONString(null)));
}
