//public void ReadCatalogue(System.IO.Stream stream)
//{
// using (var reader = new Iso8211Reader(stream))
// {
// catalogueFile = new CatalogueFile(reader);
// BuildCatalogue();
// }
//}
public void ReadCatalogue(ZipArchive archive)
{
Stream S57map = null;
ZipArchiveEntry catalogueentry = null;
foreach (ZipArchiveEntry entry in archive.Entries)
{
if (entry.Name.Equals("CATALOG.031"))
{
catalogueentry = entry;
}
}
S57map = catalogueentry.Open();
var count = catalogueentry.Length;
byte[] fileByteArray = new byte[count]; //consider re-using same byte array for next file to minimize new allocations
MemoryStream memoryStream = new MemoryStream(fileByteArray);
S57map.CopyTo(memoryStream);
memoryStream.Dispose();
using (var reader = new Iso8211Reader(fileByteArray))
{
catalogueFile = new CatalogueFile(reader);
BuildCatalogue();
foreach (var bla in reader.tagcollector)
{
Console.WriteLine(bla);
}
}
S57map.Dispose();
}
public void ReadCatalogue(System.IO.Stream stream)
{
using (var reader = new Iso8211Reader(stream))
{
catalogueFile = new CatalogueFile(reader);
BuildCatalogue();
}
}
public void BuildFromDataRecord(S57Reader reader, DataRecord cr, CatalogueFile catalogueFile)
{
// Record Identifier Field
var rcid = cr.Fields.GetFieldByTag("CATD");
if (rcid != null)
{
RecordIdentificationNumber = (uint)rcid.GetInt32("RCID");
fileName = rcid.GetString("FILE");
fileLongName = rcid.GetString("LFIL");
southernMostLatitude = rcid.GetDouble("SLAT");
westernMostLongitude = rcid.GetDouble("WLON");
northernMostLatitude = rcid.GetDouble("NLAT");
easternMostLongitude = rcid.GetDouble("ELON");
}
}
public void BuildFromDataRecord(S57Reader reader, DataRecord cr, CatalogueFile catalogueFile)
{
// Record Identifier Field
var catd = cr.Fields.GetFieldByTag("CATD");
if (catd != null)
{
subFieldRow = catd.subFields.Values[0];
tagLookup = catd.subFields.TagIndex;
RecordIdentificationNumber = (uint)subFieldRow.GetInt32(tagLookup.IndexOf("RCID")); //this one ist stored as integer, so implementing GetUint32 to do merely a cast will fail
fileName = subFieldRow.GetString(tagLookup.IndexOf("FILE"));
fileLongName = subFieldRow.GetString(tagLookup.IndexOf("LFIL"));
southernMostLatitude = subFieldRow.GetDouble(tagLookup.IndexOf("SLAT"));
westernMostLongitude = subFieldRow.GetDouble(tagLookup.IndexOf("WLON"));
northernMostLatitude = subFieldRow.GetDouble(tagLookup.IndexOf("NLAT"));
easternMostLongitude = subFieldRow.GetDouble(tagLookup.IndexOf("ELON"));
}
}
public void ReadArchiveCatalogue(ZipArchive archive, string MapName)
{
string basename = MapName.Remove(MapName.Length - 4);
Stream S57map = null;
ZipArchiveEntry catalogueentry = null;
foreach (ZipArchiveEntry entry in archive.Entries)
{
if (entry.Name.Contains(basename))
{
if (entry.Name.Equals(MapName))
{
catalogueentry = entry;
}
}
}
S57map = catalogueentry.Open();
using (var reader = new Iso8211Reader(S57map))
{
catalogueFile = new CatalogueFile(reader);
BuildCatalogue();
}
S57map.Dispose();
}
public Catalogue(S57Reader reader, DataRecord cr, CatalogueFile catalogueFile)
{
_cr = cr;
BuildFromDataRecord(reader, cr, catalogueFile);
}
