/// <summary>${IS6_MeasureService_method_processAsync_D}</summary>
/// <param name="parameters">${IS6_MeasureService_method_processAsync_param_parameters}</param>
/// <param name="state">${IS6_MeasureService_method_processAsync_param_state}</param>
public void ProcessAsync(MeasureParameters parameters, object state)
{
if (parameters == null)
{
//TODO:资源
throw new ArgumentNullException(ExceptionStrings.ArgumentIsNull);
//throw new ArgumentNullException("MeasureParameters is Null");
}
if (string.IsNullOrEmpty(this.Url))
{
//TODO:资源
throw new InvalidOperationException(ExceptionStrings.InvalidUrl);
//throw new InvalidOperationException("Url is not set");
}
base.SubmitRequest(base.Url + "/common.ashx?", GetParameters(parameters),
new EventHandler<RequestEventArgs>(request_Completed), state, false);
}
//距离量算
private void line_DrawCompleted(object sender, DrawEventArgs e)
{
//将线标绘在客户端要素图层
PredefinedLineStyle lineStyle = new PredefinedLineStyle { Stroke = new SolidColorBrush(Colors.Red), StrokeThickness = 3 };
Feature feature = new Feature
{
Geometry = e.Geometry,
Style = lineStyle
};
featuresLayer.Features.Add(feature);
MeasureParameters parameters = new MeasureParameters
{
Geometry = e.Geometry,
MapName = "changchun"
};
MeasureService measureDistance = new MeasureService("http://localhost/IS/AjaxDemo");
measureDistance.ProcessAsync(parameters);
measureDistance.ProcessCompleted += new EventHandler<MeasureEventArgs>(measureDistance_ProcessCompleted);
measureDistance.Failed += new EventHandler<ServiceFailedEventArgs>(measure_Failed);
}
//面积量算
private void polygon_DrawCompleted(object sender, DrawEventArgs e)
{
//将面标绘在客户端任意图层
PolygonElement polygon = e.Element as PolygonElement;
polygon.Opacity = 0.618;
polygon.StrokeThickness = 1;
polygon.Fill = new SolidColorBrush(Colors.LightGray);
this.elementsLayer.Children.Add(polygon);
MeasureParameters parameters = new MeasureParameters
{
Geometry = e.Geometry,
MapName = "changchun"
};
//与服务器交互
MeasureService measureRegion = new MeasureService("http://localhost/IS/AjaxDemo");
measureRegion.ProcessAsync(parameters);
measureRegion.ProcessCompleted += new EventHandler<MeasureEventArgs>(measureRegion_ProcessCompleted);
measureRegion.Failed += new EventHandler<ServiceFailedEventArgs>(measure_Failed);
}
private Dictionary<string, string> GetParameters(MeasureParameters parameters)
{
Dictionary<string, string> dictionary = new Dictionary<string, string>();
Point2DCollection gps = new Point2DCollection();
if (parameters.Geometry is GeoLine)
{
string method = "MeasureDistance";
dictionary.Add("map", parameters.MapName);
dictionary.Add("method", method);
foreach (Point2DCollection g in (parameters.Geometry as GeoLine).Parts)
{
for (int i = 0; i < g.Count; i++)
{
gps.Add(g[i]);
}
}
dictionary.Add("points", JsonHelper.FromPoint2DCollection(gps));
dictionary.Add("trackingLayerIndex", "-1");
dictionary.Add("userID", Guid.NewGuid().ToString());
dictionary.Add("isHighlight", "false");
}
else if (parameters.Geometry is GeoRegion)
{
string method = "MeasureArea";
dictionary.Add("map", parameters.MapName);
dictionary.Add("method", method);
foreach (Point2DCollection g in (parameters.Geometry as GeoRegion).Parts)
{
for (int i = 0; i < g.Count; i++)
{
gps.Add(g[i]);
}
}
dictionary.Add("points", JsonHelper.FromPoint2DCollection(gps));
dictionary.Add("trackingLayerIndex", "-1");
dictionary.Add("userID", Guid.NewGuid().ToString());
dictionary.Add("isHighlight", "false");
}
return dictionary;
}
/// <summary>${IS6_MeasureService_method_processAsync_D}</summary>
/// <overloads>${IS6_MeasureService_method_processAsync_overloads}</overloads>
/// <param name="parameters">${IS6_MeasureService_method_processAsync_param_parameters}</param>
public void ProcessAsync(MeasureParameters parameters)
{
ProcessAsync(parameters, null);
}
