internal static Stream OverDAP(string dapUrl, string requestXML)
{
SearchRequest request = Decoder.SearchRequest(requestXML);
Geosoft.Dap.Command c = new Geosoft.Dap.Command(dapUrl, false, Geosoft.Dap.Command.Version.GEOSOFT_XML_1_1, false, DapSecureToken.Instance, 30000);
ArrayList datasets; c.GetCatalog(null, 0, request.Offset, request.MaxCount, request.TextFilter, request.AoIFilter, out datasets);
int totalResults; c.GetDataSetCount(null, 0, request.Offset, request.MaxCount, request.TextFilter, request.AoIFilter, out totalResults);
SearchResults result = new SearchResults(request.Version, request.Handle, request.Offset, totalResults);
cachedData.Clear();
foreach (DataSet d in datasets)
{
result.AddResult(new DAPLayer(d));
cachedData.Add(int.Parse(d.Name), d);
}
return Encoder.SearchResults(result);
}
internal static Stream Thumbnail(string dapUrl, int layerID)
{
Geosoft.Dap.Command c = new Geosoft.Dap.Command(dapUrl, false, Geosoft.Dap.Command.Version.GEOSOFT_XML_1_1, false, DapSecureToken.Instance, 30000);
DataSet data = cachedData[layerID];
ArrayList datasets = new ArrayList();
datasets.Add(data.Name);
double width = data.Boundary.MaxX - data.Boundary.MinX;
double height = data.Boundary.MaxY - data.Boundary.MinY;
Format format = new Format() { Transparent = true, Type = "image/png" };
const int TileSize = 100;
const int Upscale = 4;
Resolution rez;
if (width > height)
rez = new Resolution() { Width = TileSize * Upscale, Height = (int)Math.Max(1.0, (double)TileSize * Upscale * height / width) };
else if (height > width)
rez = new Resolution() { Width = (int)Math.Max(1.0, (double)TileSize * Upscale * width / height), Height = TileSize * Upscale };
else
rez = new Resolution() { Width = TileSize * Upscale, Height = TileSize * Upscale };
XmlDocument response = c.GetImage(format, data.Boundary, rez, false, false, datasets);
byte[] pictureData = Convert.FromBase64String(response.SelectSingleNode("/geosoft_xml/response/image/picture").InnerText);
MemoryStream serverResponseImage = new MemoryStream(pictureData);
MemoryStream result = new MemoryStream();
using (Bitmap src = new Bitmap(serverResponseImage))
{
using (Bitmap dst = new Bitmap(rez.Width / Upscale, rez.Height / Upscale))
{
using (Graphics g = Graphics.FromImage(dst))
{
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.DrawImage(src, 0, 0, rez.Width / Upscale, rez.Height / Upscale);
}
dst.Save(result, System.Drawing.Imaging.ImageFormat.Png);
}
}
result.Seek(0, SeekOrigin.Begin);
return result;
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="oLayersToDownload"></param>
internal DatasetDisclaimer(List<Dapple.LayerGeneration.LayerBuilder> oLayersToDownload, System.Xml.XmlDocument oDownload)
{
InitializeComponent();
string strTempFile = System.IO.Path.GetTempFileName();
System.Xml.XmlReader oReader = null;
foreach (Dapple.LayerGeneration.LayerBuilder oBuilder in oLayersToDownload)
{
if (oBuilder is Dapple.LayerGeneration.DAPQuadLayerBuilder && ((Dapple.LayerGeneration.DAPQuadLayerBuilder)oBuilder).ServerMajorVersion >= 11)
{
Dapple.LayerGeneration.DAPQuadLayerBuilder oDAPbuilder = (Dapple.LayerGeneration.DAPQuadLayerBuilder)oBuilder;
Geosoft.Dap.Command oCommand = new Geosoft.Dap.Command(oDAPbuilder.ServerURL, false, Geosoft.Dap.Command.Version.GEOSOFT_XML_1_1, WorldWind.Net.WebDownload.DownloadTimeout);
Geosoft.Dap.Common.DataSet oDataset = new Geosoft.Dap.Common.DataSet();
oDataset.Name = oDAPbuilder.DatasetName;
oDataset.Url = oDAPbuilder.ServerURL;
System.Xml.XmlDocument oDoc = null;
try
{
oDoc = oCommand.GetDisclaimer(oDataset);
}
catch (System.Net.WebException ex)
{
ex.Data["dataset"] = oBuilder.Title;
throw;
}
oDoc.Save(strTempFile);
oReader = System.Xml.XmlReader.Create(strTempFile);
if (oReader.ReadToFollowing("disclaimer"))
{
if (string.Compare(oReader.GetAttribute("value"), "true", true) == 0)
{
// --- read the base 64 encoded text into a temporary file ---
string strTempHtmFile = System.IO.Path.GetTempFileName();
System.IO.FileStream oOutputStream = new System.IO.FileStream(strTempHtmFile, System.IO.FileMode.Create);
byte[] bBuffer = new byte[65536];
int iCount = 0;
do
{
iCount = oReader.ReadElementContentAsBase64(bBuffer, 0, 65536);
oOutputStream.Write(bBuffer, 0, iCount);
} while (iCount != 0);
// --- close the output stream ---
if (oOutputStream != null)
oOutputStream.Close();
oOutputStream = null;
ListViewItem oItem = new ListViewItem();
oItem.Name = oDAPbuilder.DatasetName;
oItem.Text = oDAPbuilder.Title;
oItem.Tag = strTempHtmFile;
lvDatasets.Items.Add(oItem);
}
}
oReader.Close();
}
}
System.IO.File.Delete(strTempFile);
if (lvDatasets.Items.Count > 0)
{
lvDatasets.Items[0].Selected = true;
wbDisclaimer.Navigate(lvDatasets.Items[0].Tag as string);
}
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="oLayersToDownload"></param>
internal DatasetDisclaimer(List <Dapple.LayerGeneration.LayerBuilder> oLayersToDownload, System.Xml.XmlDocument oDownload)
{
InitializeComponent();
string strTempFile = System.IO.Path.GetTempFileName();
System.Xml.XmlReader oReader = null;
foreach (Dapple.LayerGeneration.LayerBuilder oBuilder in oLayersToDownload)
{
if (oBuilder is Dapple.LayerGeneration.DAPQuadLayerBuilder && ((Dapple.LayerGeneration.DAPQuadLayerBuilder)oBuilder).ServerMajorVersion >= 11)
{
Dapple.LayerGeneration.DAPQuadLayerBuilder oDAPbuilder = (Dapple.LayerGeneration.DAPQuadLayerBuilder)oBuilder;
Geosoft.Dap.Command oCommand = new Geosoft.Dap.Command(oDAPbuilder.ServerURL, false, Geosoft.Dap.Command.Version.GEOSOFT_XML_1_1, WorldWind.Net.WebDownload.DownloadTimeout);
Geosoft.Dap.Common.DataSet oDataset = new Geosoft.Dap.Common.DataSet();
oDataset.Name = oDAPbuilder.DatasetName;
oDataset.Url = oDAPbuilder.ServerURL;
System.Xml.XmlDocument oDoc = null;
try
{
oDoc = oCommand.GetDisclaimer(oDataset);
}
catch (System.Net.WebException ex)
{
ex.Data["dataset"] = oBuilder.Title;
throw;
}
oDoc.Save(strTempFile);
oReader = System.Xml.XmlReader.Create(strTempFile);
if (oReader.ReadToFollowing("disclaimer"))
{
if (string.Compare(oReader.GetAttribute("value"), "true", true) == 0)
{
// --- read the base 64 encoded text into a temporary file ---
string strTempHtmFile = System.IO.Path.GetTempFileName();
System.IO.FileStream oOutputStream = new System.IO.FileStream(strTempHtmFile, System.IO.FileMode.Create);
byte[] bBuffer = new byte[65536];
int iCount = 0;
do
{
iCount = oReader.ReadElementContentAsBase64(bBuffer, 0, 65536);
oOutputStream.Write(bBuffer, 0, iCount);
} while (iCount != 0);
// --- close the output stream ---
if (oOutputStream != null)
{
oOutputStream.Close();
}
oOutputStream = null;
ListViewItem oItem = new ListViewItem();
oItem.Name = oDAPbuilder.DatasetName;
oItem.Text = oDAPbuilder.Title;
oItem.Tag = strTempHtmFile;
lvDatasets.Items.Add(oItem);
}
}
oReader.Close();
}
}
System.IO.File.Delete(strTempFile);
if (lvDatasets.Items.Count > 0)
{
lvDatasets.Items[0].Selected = true;
wbDisclaimer.Navigate(lvDatasets.Items[0].Tag as string);
}
}