/// <summary>
/// The parser for the layers and the image.
/// </summary>
/// <param name="sResult"></param>
/// <param name="onComplete"></param>
private void ParseAXL(string sResult, OnUrlComplete onComplete)
{
XDocument xDoc = XDocument.Parse(sResult);
if (xDoc.Element("ARCXML").Element("RESPONSE").Element("SERVICEINFO") != null)
{
//ARCIMS SERVICE INFO HAS BEEN RETURNED
XMin = Convert.ToDouble(xDoc.Element("ARCXML").Element("RESPONSE").Element("SERVICEINFO").Element("PROPERTIES").Element("ENVELOPE").Attribute("minx").Value);
XMax = Convert.ToDouble(xDoc.Element("ARCXML").Element("RESPONSE").Element("SERVICEINFO").Element("PROPERTIES").Element("ENVELOPE").Attribute("maxx").Value);
YMin = Convert.ToDouble(xDoc.Element("ARCXML").Element("RESPONSE").Element("SERVICEINFO").Element("PROPERTIES").Element("ENVELOPE").Attribute("miny").Value);
YMax = Convert.ToDouble(xDoc.Element("ARCXML").Element("RESPONSE").Element("SERVICEINFO").Element("PROPERTIES").Element("ENVELOPE").Attribute("maxy").Value);
coorsys = Int32.Parse(xDoc.Element("ARCXML").Element("RESPONSE").Element("SERVICEINFO").Element("PROPERTIES").Element("FEATURECOORDSYS").Attribute("id").Value);
// Get the ArcXml request
this.SpatialReference = new SpatialReference(coorsys);
FullExtent = new ESRI.ArcGIS.Client.Geometry.Envelope()
{
XMin = XMin,
YMin = YMin,
XMax = XMax,
YMax = YMax,
SpatialReference = new SpatialReference(coorsys)
};
base.Initialize();
}
else if (xDoc.Element("ARCXML").Element("RESPONSE").Element("IMAGE") != null)
{
//AN IMAGE HAS BEEN RETURNED
string imageUrl = xDoc.Element("ARCXML").Element("RESPONSE").Element("IMAGE").Element("OUTPUT").Attribute("url").Value;
this.ImageUrl = imageUrl;
ESRI.ArcGIS.Client.Geometry.Envelope newEnv = new Envelope();
newEnv.XMin = Convert.ToDouble(xDoc.Element("ARCXML").Element("RESPONSE").Element("IMAGE").Element("ENVELOPE").Attribute("minx").Value);
newEnv.YMin = Convert.ToDouble(xDoc.Element("ARCXML").Element("RESPONSE").Element("IMAGE").Element("ENVELOPE").Attribute("miny").Value);
newEnv.YMax = Convert.ToDouble(xDoc.Element("ARCXML").Element("RESPONSE").Element("IMAGE").Element("ENVELOPE").Attribute("maxy").Value);
newEnv.XMax = Convert.ToDouble(xDoc.Element("ARCXML").Element("RESPONSE").Element("IMAGE").Element("ENVELOPE").Attribute("maxx").Value);
SpatialReference spRef = new SpatialReference(coorsys);
newEnv.SpatialReference = spRef;
_onComplete(this.ImageUrl, _width, _height, newEnv);
}
else if (xDoc.Element("ARCXML").Element("RESPONSE").Element("ERROR") != null)
{
//AN ERROR HAS BEEN RETURNED
this.Cancel();
this.ErrorMsg = xDoc.Element("ARCXML").Element("RESPONSE").Element("ERROR").Value;
this.GetImageFailed(this, new EventArgs());
}
else
{
System.Diagnostics.Debug.WriteLine(string.Format("IMS Returned an unknown response" + xDoc.ToString()));
}
}
public override void GetUrl(ImageParameters properties, OnUrlComplete onComplete)
{
Envelope extent = properties.Extent;
int width = properties.Width;
int height = properties.Height;
int num = (extent.SpatialReference != null) ? extent.SpatialReference.WKID : 0;
width = Math.Min(width, 1024);
height = Math.Min(height, 1024);
// zoom 范围3-19
double offset = Math.Max(Math.Abs(extent.XMax - extent.XMin), Math.Abs(extent.YMax - extent.YMin));
double zoom = Convert.ToInt32(Math.Log(offset / 2880, 0.5));
if (zoom < 3)
{
zoom = 3;
}
else if (zoom > 19)
{
zoom = 19;
}
onComplete(string.Format(urlFormat, extent.GetCenter().X, extent.GetCenter().Y, width, height, zoom), new DynamicLayer.ImageResult(new Envelope
{
XMin = extent.XMin,
YMin = extent.YMin,
XMax = extent.XMax,
YMax = extent.YMax
}));
}
/// <summary>
/// The private method to make the request to the IMS server.
/// </summary>
/// <param name="url"></param>
/// <param name="data"></param>
/// <param name="onComplete"></param>
private void MakeRequest(string url, string data, OnUrlComplete onComplete)
{
_onComplete = onComplete;
sDataToPost = data;
// Create a request object
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(new Uri(url, UriKind.Absolute));
request.Method = "POST";
// don't miss out this
//request.ContentType = "application/x-www-form-urlencoded";
request.ContentType = "application/xml";
request.BeginGetRequestStream(new AsyncCallback(RequestReady), request);
}
/// <summary>
/// The parser for the layers and the image.
/// </summary>
/// <param name="sResult"></param>
/// <param name="onComplete"></param>
private void ParseAXL(string sResult, OnUrlComplete onComplete)
{
XDocument xDoc = XDocument.Parse(sResult);
if (xDoc.Element("ARCXML").Element("RESPONSE").Element("SERVICEINFO") != null)
{
//ARCIMS SERVICE INFO HAS BEEN RETURNED
XMin = Convert.ToDouble(xDoc.Element("ARCXML").Element("RESPONSE").Element("SERVICEINFO").Element("PROPERTIES").Element("ENVELOPE").Attribute("minx").Value);
XMax = Convert.ToDouble(xDoc.Element("ARCXML").Element("RESPONSE").Element("SERVICEINFO").Element("PROPERTIES").Element("ENVELOPE").Attribute("maxx").Value);
YMin = Convert.ToDouble(xDoc.Element("ARCXML").Element("RESPONSE").Element("SERVICEINFO").Element("PROPERTIES").Element("ENVELOPE").Attribute("miny").Value);
YMax = Convert.ToDouble(xDoc.Element("ARCXML").Element("RESPONSE").Element("SERVICEINFO").Element("PROPERTIES").Element("ENVELOPE").Attribute("maxy").Value);
coorsys = Int32.Parse(xDoc.Element("ARCXML").Element("RESPONSE").Element("SERVICEINFO").Element("PROPERTIES").Element("FEATURECOORDSYS").Attribute("id").Value);
// Get the ArcXml request
this.SpatialReference = new SpatialReference(coorsys);
FullExtent = new ESRI.ArcGIS.Client.Geometry.Envelope()
{
XMin = XMin,
YMin = YMin,
XMax = XMax,
YMax = YMax,
SpatialReference = new SpatialReference(coorsys)
};
base.Initialize();
}
else if (xDoc.Element("ARCXML").Element("RESPONSE").Element("IMAGE") != null)
{
//AN IMAGE HAS BEEN RETURNED
string imageUrl = xDoc.Element("ARCXML").Element("RESPONSE").Element("IMAGE").Element("OUTPUT").Attribute("url").Value;
this.ImageUrl = imageUrl;
ESRI.ArcGIS.Client.Geometry.Envelope newEnv = new Envelope();
newEnv.XMin = Convert.ToDouble(xDoc.Element("ARCXML").Element("RESPONSE").Element("IMAGE").Element("ENVELOPE").Attribute("minx").Value);
newEnv.YMin = Convert.ToDouble(xDoc.Element("ARCXML").Element("RESPONSE").Element("IMAGE").Element("ENVELOPE").Attribute("miny").Value);
newEnv.YMax = Convert.ToDouble(xDoc.Element("ARCXML").Element("RESPONSE").Element("IMAGE").Element("ENVELOPE").Attribute("maxy").Value);
newEnv.XMax = Convert.ToDouble(xDoc.Element("ARCXML").Element("RESPONSE").Element("IMAGE").Element("ENVELOPE").Attribute("maxx").Value);
SpatialReference spRef = new SpatialReference(coorsys);
newEnv.SpatialReference = spRef;
_onComplete(this.ImageUrl, _width, _height, newEnv);
}
else if (xDoc.Element("ARCXML").Element("RESPONSE").Element("ERROR") != null)
{
//AN ERROR HAS BEEN RETURNED
this.Cancel();
this.ErrorMsg = xDoc.Element("ARCXML").Element("RESPONSE").Element("ERROR").Value;
this.GetImageFailed(this, new EventArgs());
}
else
{
System.Diagnostics.Debug.WriteLine(string.Format("IMS Returned an unknown response" + xDoc.ToString()));
}
}
/// <summary>
/// The private method to make the request to the IMS server.
/// </summary>
/// <param name="url"></param>
/// <param name="data"></param>
/// <param name="onComplete"></param>
private void MakeRequest(string url, string data, OnUrlComplete onComplete)
{
_onComplete = onComplete;
sDataToPost = data;
// Create a request object
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(new Uri(url, UriKind.Absolute));
request.Method = "POST";
// don't miss out this
//request.ContentType = "application/x-www-form-urlencoded";
request.ContentType = "application/xml";
request.BeginGetRequestStream(new AsyncCallback(RequestReady), request);
}
