/// <summary>
/// Load and parse a LAS file, which only contains numerical well logs.
/// Go the quick and dirty suck it all into memory and string split approach.
/// No error handling.
/// Untested for LAS 3.x files or for contractor specific non-standard variations.
/// </summary>
/// <param name="sr">The streamreader</param>
public Well(StreamReader sr)
{
var headerSegments = new List <LogHeaderSegment>();
var resultHeader = new WellHeaderSegments();
var resultData = new LogData();
var logCount = 0;
// The segments of a LAS file are separated by a tilde.
// Each type of segment has a label.
// Start at 1, not 0 index as the because first list segment is empty
var data = sr.ReadToEnd();
var segments = data.Split('~').ToList();
segments = segments.GetRange(1, segments.Count - 1);
foreach (var segment in segments)
{
// Preserve the header meta data as strings as the most likely way it will be useful.
switch (segment[0])
{
case 'A':
// The ASCII log data.
if (logCount > 0)
// Silently bypass if the compulsory log data segment is out of order.
{
resultData = new LogData(logCount, segment);
}
break;
case 'O':
// The Other segment - non-delimited text format - stored as a string.
// var logOHeaderSegment = new LogHeaderSegment(segment, true);
break;
case 'C':
// The Curve names, units, API code, description.
// Delimited by '.' and ':' and parsed as one LogDataQuadruple per line
var newCHeaderSegment = new LogHeaderSegment(segment, false);
headerSegments.Add(newCHeaderSegment);
logCount = newCHeaderSegment.Data.Count;
break;
default:
// The Version, Parameter and Well information blocks.
// Delimited by '.' and ':' and parsed as one LogDataQuadruple per line
var newDefaultHeaderSegment = new LogHeaderSegment(segment, false);
headerSegments.Add(newDefaultHeaderSegment);
break;
}
}
resultHeader.Segments = headerSegments;
Header = resultHeader;
Data = resultData;
JsonHolder = "";
}
public Well(WellHeaderSegments header, LogData data)
{
Header = header;
Data = data;
JsonHolder = "";
}
public Well()
{
Header = new WellHeaderSegments();
Data = new LogData();
JsonHolder = "";
}