public MgdLayer CreateBufferLayer(MgResourceService resourceService, MgResourceIdentifier bufferFeatureResId, String sessionId)
{
// Load the layer definition template into
// a XmlDocument object, find the "ResourceId" element, and
// modify its content to reference the temporary
// feature source.
XmlDocument doc = new XmlDocument();
doc.LoadXml(Layers.BufferLayerDefinition);
XmlNode featureSourceNode = doc.GetElementsByTagName("ResourceId")[0];
featureSourceNode.InnerText = bufferFeatureResId.ToString();
// Get the updated layer definition from the XmlDocument
// and save it to the session repository using the
// ResourceService object.
MgByteSource byteSource = null;
using (MemoryStream ms = new MemoryStream())
{
doc.Save(ms);
ms.Position = 0L;
//Note we do this to ensure our XML content is free of any BOM characters
byte[] layerDefinition = ms.ToArray();
Encoding utf8 = Encoding.UTF8;
String layerDefStr = new String(utf8.GetChars(layerDefinition));
layerDefinition = new byte[layerDefStr.Length - 1];
int byteCount = utf8.GetBytes(layerDefStr, 1, layerDefStr.Length - 1, layerDefinition, 0);
byteSource = new MgByteSource(layerDefinition, layerDefinition.Length);
byteSource.SetMimeType(MgMimeType.Xml);
}
MgResourceIdentifier tempLayerResId = new MgResourceIdentifier("Session:" + sessionId + "//Buffer.LayerDefinition");
resourceService.SetResource(tempLayerResId, byteSource.GetReader(), null);
// Create an MgLayer object based on the new layer definition
// and return it to the caller.
MgdLayer bufferLayer = new MgdLayer(tempLayerResId, resourceService);
bufferLayer.SetName("Buffer");
bufferLayer.SetLegendLabel("Buffer");
bufferLayer.SetDisplayInLegend(true);
bufferLayer.SetSelectable(false);
return(bufferLayer);
}
public MgdLayer CreateBufferLayer(MgResourceService resourceService, MgResourceIdentifier bufferFeatureResId, String sessionId)
{
// Load the layer definition template into
// a XmlDocument object, find the "ResourceId" element, and
// modify its content to reference the temporary
// feature source.
XmlDocument doc = new XmlDocument();
doc.LoadXml(Layers.BufferLayerDefinition);
XmlNode featureSourceNode = doc.GetElementsByTagName("ResourceId")[0];
featureSourceNode.InnerText = bufferFeatureResId.ToString();
// Get the updated layer definition from the XmlDocument
// and save it to the session repository using the
// ResourceService object.
MgByteSource byteSource = null;
using (MemoryStream ms = new MemoryStream())
{
doc.Save(ms);
ms.Position = 0L;
//Note we do this to ensure our XML content is free of any BOM characters
byte[] layerDefinition = ms.ToArray();
Encoding utf8 = Encoding.UTF8;
String layerDefStr = new String(utf8.GetChars(layerDefinition));
layerDefinition = new byte[layerDefStr.Length - 1];
int byteCount = utf8.GetBytes(layerDefStr, 1, layerDefStr.Length - 1, layerDefinition, 0);
byteSource = new MgByteSource(layerDefinition, layerDefinition.Length);
byteSource.SetMimeType(MgMimeType.Xml);
}
MgResourceIdentifier tempLayerResId = new MgResourceIdentifier("Session:" + sessionId + "//Buffer.LayerDefinition");
resourceService.SetResource(tempLayerResId, byteSource.GetReader(), null);
// Create an MgLayer object based on the new layer definition
// and return it to the caller.
MgdLayer bufferLayer = new MgdLayer(tempLayerResId, resourceService);
bufferLayer.SetName("Buffer");
bufferLayer.SetLegendLabel("Buffer");
bufferLayer.SetDisplayInLegend(true);
bufferLayer.SetSelectable(false);
return bufferLayer;
}
