/// <summary>
/// Import from text file to xns11 file
/// </summary>
/// <param name="txtFileName">Path and name of text file to import</param>
/// <param name="xns11FileName">Path and name of xns11 file to create or update</param>
/// <param name="xns11NewFileName">Path and name of xns11 file to write to</param>
public static void Import(string txtFileName, string xns11FileName, string xns11NewFileName = null)
{
StreamReader reader = new StreamReader(txtFileName);
CrossSectionDataFactory crossSectionDataFactory = new CrossSectionDataFactory();
CrossSectionData csData;
if (File.Exists(xns11FileName))
{
csData = crossSectionDataFactory.Open(Connection.Create(xns11FileName), null);
}
else
{
csData = new CrossSectionData();
}
if (string.IsNullOrEmpty(xns11NewFileName))
{
xns11NewFileName = xns11FileName;
}
string line;
// Read cross section info-line
while ((line = reader.ReadLine()) != null)
{
// Split cross section info-line
string[] split = line.SplitQuoted(',', '"');
// extract info from info-line
Location location = new Location(split[1], double.Parse(split[2], CultureInfo.InvariantCulture));
string topoId = split[3];
double datum = double.Parse(split[4], CultureInfo.InvariantCulture);
int numRawPoints = int.Parse(split[5]);
// Check if this cross section is to be processed
if (split[0] == "1")
{
ICrossSection cs = csData.FindCrossSection(location, topoId);
CrossSectionPointList points = new CrossSectionPointList();
// Read raw points
for (int i = 0; i < numRawPoints; i++)
{
line = reader.ReadLine();
if (line == null) // end-of-file
{
throw new EndOfStreamException("File ended prematurely");
}
string[] coords = line.Split(',');
double x = double.Parse(coords[0], CultureInfo.InvariantCulture);
double z = double.Parse(coords[1], CultureInfo.InvariantCulture);
points.Add(new CrossSectionPoint(x, z));
}
// Check if cross section already exists
if (cs != null)
{
// Check if it is a cross section with raw points
XSBaseRaw xsBaseRaw = cs.BaseCrossSection as XSBaseRaw;
if (xsBaseRaw == null)
{
throw new Exception("Cannot modify raw points of a cross section without raw points: " + location.ToString() + ", " + topoId);
}
// replace datum (in case datum changes)
cs.Location.Z = datum;
// Replace points
xsBaseRaw.Points = points;
// Set default markers
xsBaseRaw.UpdateMarkersToDefaults(true, true, true);
// Recalculate processed data
xsBaseRaw.ProcessingLevelsSpecs.NoOfLevels = 50;
xsBaseRaw.CalculateProcessedData();
}
else
{
// Create a new cross section
CrossSectionFactory builder = new CrossSectionFactory();
builder.BuildOpen("");
// Defines the location of the current cross section. The Z-coordinate
// for an open cross section with raw data is a Z-offset, and usually zero.
builder.SetLocation(new ZLocation(location.ID, location.Chainage)
{
Z = datum
});
// Set raw points and default markers
builder.SetRawPoints(points);
builder.SetDefaultMarkers();
// Define resistance properties as relative
FlowResistance flowResistance = new FlowResistance();
flowResistance.Formulation = ResistanceFormulation.Relative;
flowResistance.ResistanceDistribution = ResistanceDistribution.Uniform;
flowResistance.ResistanceValue = 1;
builder.SetFlowResistance(flowResistance);
builder.SetRadiusType(RadiusType.ResistanceRadius);
// Get the cross section
CrossSectionLocated csLocated = builder.GetCrossSection();
// Set topo-id
csLocated.TopoID = topoId;
// now, calculate processed data
csLocated.BaseCrossSection.ProcessingLevelsSpecs.Option = ProcessingOption.AutomaticLevels;
csLocated.BaseCrossSection.ProcessingLevelsSpecs.NoOfLevels = 0;
csLocated.BaseCrossSection.CalculateProcessedData();
// Store cross section in database
csData.Add(csLocated);
}
}
else // this cross section should not be processed
{
// Skip line containing raw points
for (int i = 0; i < numRawPoints; i++)
{
line = reader.ReadLine();
if (line == null) // end-of-file
{
throw new EndOfStreamException("File ended prematurely");
}
}
}
}
csData.Connection = Connection.Create(xns11NewFileName);
CrossSectionDataFactory.Save(csData);
}
