/// <summary>
/// Load the default browser map for this server, from either the cache or the server
/// </summary>
protected void LoadBrowserMap()
{
string strBrowserMapFile = Path.Combine(m_strCacheDir, BROWSERMAP_FILE);
try
{
if (File.Exists(strBrowserMapFile))
{
m_oBrowserMap = new XmlDocument();
m_oBrowserMap.Load(strBrowserMapFile);
}
else
{
Geosoft.Dap.Common.Format oFormat = new Geosoft.Dap.Common.Format();
Geosoft.Dap.Common.Resolution oResolution = new Geosoft.Dap.Common.Resolution();
Geosoft.Dap.Common.BoundingBox oBoundingBox = new Geosoft.Dap.Common.BoundingBox(m_oServerBoundingBox);
oFormat.Type = "image/png24";
oResolution.Width = 600;
oResolution.Height = 600;
// --- Calculate the best resolution for this image, so that it is not distorted ---
double dWidth = oBoundingBox.MaxX - oBoundingBox.MinX;
double dHeight = oBoundingBox.MaxY - oBoundingBox.MinY;
if (dWidth == 0 || dHeight == 0)
{
throw new Exception("Fix this");
}
double dPictureRatio = oResolution.Height / oResolution.Width;
double dBoxRatio = dHeight / dWidth;
if (dBoxRatio > dPictureRatio)
{
// --- width is smaller than it should be ---
oResolution.Width = Convert.ToInt32(oResolution.Height / dBoxRatio);
}
else if (dBoxRatio < dPictureRatio)
{
// --- height is smaller than it should be ---
oResolution.Height = Convert.ToInt32(oResolution.Width * dBoxRatio);
}
m_oBrowserMap = m_oCommand.GetImageEx(oFormat, oBoundingBox, oResolution, true, false, new ArrayList(), null);
m_oBrowserMap.Save(strBrowserMapFile);
}
}
catch (Exception e)
{
m_oBrowserMap = new XmlDocument();
GetDapError.Instance.Write("Get Server Browser Map (" + m_strUrl + ") - " + e.Message);
}
}
protected override HttpWebRequest BuildRequest()
{
string strURL;
System.Xml.XmlDocument oRequestDoc = null;
try
{
System.IO.StringWriter hRequest = new StringWriter(CultureInfo.InvariantCulture);
Geosoft.Dap.Common.Format oFormat = new Geosoft.Dap.Common.Format();
oFormat.Type = "image/" + m_oImageStore.ImageExtension;
oFormat.Transparent = true;
Geosoft.Dap.Common.Resolution oRes = new Geosoft.Dap.Common.Resolution();
oRes.Height = m_oImageStore.TextureSizePixels;
oRes.Width = m_oImageStore.TextureSizePixels;
ArrayList oArr = new ArrayList();
if (m_oImageStore.DataSet == null) // Base layers don't have tiling enabled
{
oRequestDoc = m_oImageStore.Server.Command.GetImageRequestDocument(oFormat, new Geosoft.Dap.Common.BoundingBox(m_oTile.East, m_oTile.North, m_oTile.West, m_oTile.South), oRes, true, false, oArr, out strURL);
}
else
{
oRequestDoc = m_oImageStore.Server.Command.GetTileRequestDocument(m_oImageStore.DataSet, m_oTile.Level, m_oTile.Row, m_oTile.Col, out strURL);
}
// Create the request object.
request = (HttpWebRequest)WebRequest.Create(strURL);
request.UserAgent = UserAgent;
request.Pipelined = false;
request.Proxy = ProxyHelper.DetermineProxyForUrl(
strURL,
WorldWind.Net.WebDownload.useWindowsDefaultProxy,
WorldWind.Net.WebDownload.useDynamicProxy,
WorldWind.Net.WebDownload.proxyUrl,
WorldWind.Net.WebDownload.proxyUserName,
WorldWind.Net.WebDownload.proxyPassword);
// --- Encode the document into ascii ---
System.Text.UTF8Encoding hRequestEncoding = new System.Text.UTF8Encoding();
oRequestDoc.Save(hRequest);
byte[] byte1 = hRequestEncoding.GetBytes(hRequest.GetStringBuilder().ToString());
// --- Setup the HTTP Request ---
request.Method = "POST";
if (WorldWind.Net.WebDownload.useProto == WorldWind.Net.WebDownload.HttpProtoVersion.HTTP1_1)
{
request.ProtocolVersion = HttpVersion.Version11;
}
else
{
request.ProtocolVersion = HttpVersion.Version10;
}
request.KeepAlive = false;
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = byte1.Length;
request.Timeout = WebDownload.DownloadTimeout;
// --- Serialize the XML document request onto the wire ---
System.IO.Stream hRequestStream = request.GetRequestStream();
hRequestStream.Write(byte1, 0, byte1.Length);
hRequestStream.Close();
// --- Turn off connection keep-alives. ---
request.KeepAlive = false;
}
finally
{
m_oImageStore.Server.Command.ReleaseImageRequestDocument(oRequestDoc);
}
return(request);
}
protected override HttpWebRequest BuildRequest()
{
string strURL;
System.Xml.XmlDocument oRequestDoc = null;
try
{
System.IO.StringWriter hRequest = new StringWriter(CultureInfo.InvariantCulture);
Geosoft.Dap.Common.Format oFormat = new Geosoft.Dap.Common.Format();
oFormat.Type = "image/" + m_oImageStore.ImageExtension;
oFormat.Transparent = true;
Geosoft.Dap.Common.Resolution oRes = new Geosoft.Dap.Common.Resolution();
oRes.Height = m_oImageStore.TextureSizePixels;
oRes.Width = m_oImageStore.TextureSizePixels;
ArrayList oArr = new ArrayList();
if (m_oImageStore.DataSet == null)
{
oRequestDoc = m_oImageStore.Server.Command.GetImageRequestDocument(oFormat, m_hBB, oRes, true, false, oArr, out strURL);
}
else
{
oArr.Add(m_oImageStore.DataSet.Name);
oRequestDoc = m_oImageStore.Server.Command.GetImageRequestDocument(oFormat, m_hBB, oRes, false, false, oArr, out strURL);
}
// Create the request object.
request = (HttpWebRequest)WebRequest.Create(strURL);
request.UserAgent = UserAgent;
request.Pipelined = false;
request.Proxy = ProxyHelper.DetermineProxyForUrl(
strURL,
WorldWind.Net.WebDownload.useWindowsDefaultProxy,
WorldWind.Net.WebDownload.useDynamicProxy,
WorldWind.Net.WebDownload.proxyUrl,
WorldWind.Net.WebDownload.proxyUserName,
WorldWind.Net.WebDownload.proxyPassword);
// --- Encode the document into ascii ---
System.Text.UTF8Encoding hRequestEncoding = new System.Text.UTF8Encoding();
oRequestDoc.Save(hRequest);
byte[] byte1 = hRequestEncoding.GetBytes(hRequest.GetStringBuilder().ToString());
// --- Setup the HTTP Request ---
request.Method = "POST";
if (WorldWind.Net.WebDownload.useProto == WorldWind.Net.WebDownload.HttpProtoVersion.HTTP1_1)
request.ProtocolVersion = HttpVersion.Version11;
else
request.ProtocolVersion = HttpVersion.Version10;
request.KeepAlive = false;
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = byte1.Length;
request.Timeout = WebDownload.DownloadTimeout;
// --- Serialize the XML document request onto the wire ---
System.IO.Stream hRequestStream = request.GetRequestStream();
hRequestStream.Write(byte1, 0, byte1.Length);
hRequestStream.Close();
// --- Turn off connection keep-alives. ---
request.KeepAlive = false;
}
finally
{
m_oImageStore.Server.Command.ReleaseImageRequestDocument(oRequestDoc);
}
return request;
}