private string BuildRequest(int imageHeight, int imageWidth, GISEnvelope requestEnvelope, MapElement legendElement, List<GISLayerInfo> layerInfo, Dictionary<string, EsriLayer> layers)
{
StringBuilder requestString = new StringBuilder();
XmlWriter requestWriter = XmlWriter.Create(requestString);
requestWriter.WriteStartElement("ARCXML");
requestWriter.WriteAttributeString("", "VERSION", "", "1.1");
requestWriter.WriteStartElement("REQUEST");
requestWriter.WriteStartElement("GET_IMAGE");
requestWriter.WriteAttributeString("", "auto_resize", "", "true");
requestWriter.WriteAttributeString("", "show", "", "layers");
requestWriter.WriteStartElement("PROPERTIES");
requestWriter.WriteStartElement("IMAGESIZE");
requestWriter.WriteAttributeString("", "width", "", imageWidth.ToString());
requestWriter.WriteAttributeString("", "height", "", imageHeight.ToString());
requestWriter.WriteEndElement(); // IMAGESIZE
EsriEnvelope.AsXml(requestWriter, requestEnvelope);
// if (layerDefs != null) AddLayerlist(requestWriter, layerDefs);
if (legendElement != null)
{
legendElement.AsXml(requestWriter);
}
if (layers != null) AddLayers(requestWriter, layers);
if (layerInfo != null) AddLayerInfo(requestWriter, layerInfo);
requestWriter.WriteEndElement(); // PROPERTIES
requestWriter.WriteEndElement(); // GET_IMAGE
requestWriter.WriteEndElement(); // REQUEST
requestWriter.WriteEndElement(); // ARCXML
requestWriter.Flush();
return requestString.ToString();
}
private string BuildQuery(string queryLayer, int maxFeaturesReturned, MapElement spatialQuery)
{
StringBuilder queryString = new StringBuilder();
StringWriter messageString = new StringWriter(queryString);
XmlWriter queryWriter = XmlWriter.Create(messageString);
queryWriter.WriteStartElement("ARCXML");
queryWriter.WriteAttributeString("", "VERSION", "", "1.1");
queryWriter.WriteStartElement("REQUEST");
queryWriter.WriteStartElement("GET_FEATURES");
queryWriter.WriteAttributeString("", "outputmode", "", "xml");
queryWriter.WriteAttributeString("", "geometry", "", "false");
queryWriter.WriteAttributeString("", "envelope", "", "true");
queryWriter.WriteAttributeString("", "beginrecord", "", "0");
queryWriter.WriteAttributeString("", "globalenvelope", "", "true");
queryWriter.WriteAttributeString("", "featurelimit", "", maxFeaturesReturned.ToString());
queryWriter.WriteStartElement("PROPERTIES");
spatialQuery.AsXml(queryWriter);
queryWriter.WriteEndElement(); // PROPERTIES
queryWriter.WriteEndElement(); // GET_FEATURES
queryWriter.WriteEndElement(); // REQUEST
queryWriter.WriteEndElement(); // ARCXML
return queryString.ToString();
}
