private void dataGridViewTraceSummary_CellValueChanged(object sender, DataGridViewCellEventArgs e)
{
if (!changeActive)
{
return;
}
if (f == null)
{
return; // file not open
}
if (e.ColumnIndex != 3)
{
return; // only edit value
}
SEGYTrace fh = f.currentTrace; // active object
int rowid = e.RowIndex;
propertyInfos = typeof(SEGYTrace).GetProperties();
PropertyInfo p = propertyInfos[rowid];
object val;
try
{
val = Convert.ChangeType(dataGridViewTraceSummary.Rows[rowid].Cells[e.ColumnIndex].Value, p.PropertyType);
}
catch (SystemException ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message);
dataGridViewTraceSummary.Rows[rowid].Cells[3].Value = p.GetValue(fh, null);
return;
}
p.SetValue(fh, val, null);
refreshTraceHeader();
}
private void button2_Click(object sender, EventArgs e)
{
foreach (var i in listBox1.Items)
{
String f = (string)i;
string f0 = System.IO.Path.GetDirectoryName(f) + System.IO.Path.DirectorySeparatorChar + System.IO.Path.GetFileNameWithoutExtension(f) + "_corr.sgy";
SEGYFile s0 = new SEGYFile();
if (s0.Open(f) == 0)
{
break;
}
SEGYFile s1 = new SEGYFile();
if (s1.Open(f0) == 0)
{
s0.Close();
break;
}
s0.ReadFileHeader();
s1.Write(s0.FileHeader.Copy());
while (s0.ReadNextTrace())
{
SEGYTrace t = s0.currentTrace.Copy();
short waterDepthMsec = t.TraceHeader.delayRecordingTimeMsec;
t.TraceHeader.delayRecordingTimeMsec = 0;
//t.TraceHeader.waterDepthAtSource = (int)waterDepthMsec;
s1.Write(t);
}
s0.Close();
s1.Close();
}
}
private void button2_Click(object sender, EventArgs e)
{
foreach (var i in listBox1.Items)
{
String f = (string)i;
string f0 = System.IO.Path.GetDirectoryName(f) + System.IO.Path.DirectorySeparatorChar + System.IO.Path.GetFileNameWithoutExtension(f) + ".gps";
SEGYFile s0 = new SEGYFile();
if (s0.Open(f) == 0)
{
break;
}
var s1 = File.CreateText(f0);
if (s1 == null)
{
break;
}
s0.ReadFileHeader();
while (s0.ReadNextTrace())
{
SEGYTrace t = s0.currentTrace;
if (t.TraceHeader.traceNumberWithinOriginalFieldRecord == 1)
{
s1.WriteLine(t.timeTracedRecorded.ToString(), " ", t.sourcePositionX.ToString(), " ", t.sourcePositionY.ToString());
}
}
s0.Close();
s1.Close();
}
}
private void button2_Click(object sender, EventArgs e)
{
foreach (var i in listBox1.Items)
{
String f = (string)i;
string f0 = System.IO.Path.GetDirectoryName(f) + System.IO.Path.DirectorySeparatorChar + System.IO.Path.GetFileNameWithoutExtension(f) + "_corr.sgy";
SEGYFile s0 = new SEGYFile();
if (s0.Open(f) == 0)
{
break;
}
SEGYFile s1 = new SEGYFile();
if (s1.Open(f0) == 0)
{
s0.Close();
break;
}
s0.ReadFileHeader();
var fh = s0.FileHeader.Copy();
fh.SetFileHeader(0, 39, "C39 File processed by FixOBSSEGY Sept/2019");
s1.Write(fh);
while (s0.ReadNextTrace())
{
if (s0.currentTrace.TraceHeader.numberOfSamplesInTrace < 1000 || s0.currentTrace.TraceHeader.numberOfSamplesInTrace > 60000)
{
break;
}
if (s0.currentTrace.timeTracedRecorded < new DateTime(1950, 1, 1))
{
break;
}
SEGYTrace t = s0.currentTrace.Copy();
if (checkBoxSwitch.Checked)
{
var s = t.TraceHeader.sourceCoordinateX;
t.TraceHeader.sourceCoordinateX = t.TraceHeader.sourceCoordinateY;
t.TraceHeader.sourceCoordinateY = s;
s = t.TraceHeader.groupCoordinateX;
t.TraceHeader.groupCoordinateX = t.TraceHeader.groupCoordinateY;
t.TraceHeader.groupCoordinateY = s;
}
if (checkBoxlldec.Checked)
{
t.TraceHeader.coordinateUnits = 3;
}
if (checkBoxllsa.Checked)
{
t.TraceHeader.coordinateUnits = 2;
}
s1.Write(t);
}
s0.Close();
s1.Close();
}
}
private void scanFile()
{
if (this.listBox1.SelectedIndex < 0)
{
return;
}
string f = (string)listBox1.SelectedItem;
SEGYFile s = new SEGYFile();
s.Open(f);
s.Traces = new List <SEGYlib.SEGYTrace>();
s.ReadFileHeader();
int c = 0;
bool flip = true;
l1norms = new System.Collections.ArrayList();
while (s.ReadNextTrace())
{
SEGYTrace tr = s.currentTrace;
// calculate l1 norm of trace enegy
//double l1 = 0;
//for (int i = 0; i < tr.TraceData.Data.Length; i++) l1 += Math.Abs(tr.TraceData.Data[i]);
//l1norms.Add(l1);
// tr.TraceData.TraceDataBuffer = null;
s.Traces.Add(tr);
c++;
if (c % 100 == 0)
{
toolStripStatusLabel1.Text = "Reading " + f + " ";
if (flip)
{
toolStripStatusLabel1.Text += "\\";
flip = false;
}
else
{
toolStripStatusLabel1.Text += "/";
flip = true;
}
Application.DoEvents();
}
}
//s.ReadAllTraceHeaders();
int tmin = s.Traces[0].TraceHeader.numberOfSamplesInTrace;
int tmax = tmin;
int delaymin = s.Traces[0].TraceHeader.delayRecordingTimeMsec;
int delaymax = Convert.ToInt32(delaymin + s.Traces[0].TraceHeader.numberOfSamplesInTrace * s.Traces[0].TraceHeader.sampleIntervalUsec / 1e3);
for (int i = 0; i < s.Traces.Count; i++)
{
int ti = s.Traces[i].TraceHeader.numberOfSamplesInTrace;
if (ti < tmin)
{
tmin = ti;
}
if (ti > tmax)
{
tmax = ti;
}
if (s.Traces[i].TraceHeader.delayRecordingTimeMsec < delaymin)
{
delaymin = s.Traces[i].TraceHeader.delayRecordingTimeMsec;
}
int tm = Convert.ToInt32(s.Traces[i].TraceHeader.delayRecordingTimeMsec + s.Traces[i].TraceHeader.numberOfSamplesInTrace * s.Traces[i].TraceHeader.sampleIntervalUsec / 1e3);
if (tm > delaymax)
{
delaymax = tm;
}
}
s.Close();
this.toolStripStatusLabel1.Text = "Trace length varies from " + tmin.ToString() + " to " + tmax.ToString();
maxTraceLength = tmax;
minTime = delaymin;
maxTime = delaymax;
}
private void button2_Click(object sender, EventArgs e)
{
foreach (var i in listBox1.Items)
{
String f = (string)i;
string f0 = System.IO.Path.GetDirectoryName(f) + System.IO.Path.DirectorySeparatorChar + System.IO.Path.GetFileNameWithoutExtension(f) + "_corr.sgy";
if (File.Exists(f0))
{
File.Delete(f0);
}
SEGYFile s0 = new SEGYFile();
if (s0.Open(f) == 0)
{
break;
}
SEGYFile s1 = new SEGYFile();
if (s1.Open(f0) == 0)
{
s0.Close();
break;
}
s0.ReadFileHeader();
s1.Write(s0.FileHeader.Copy());
int count = 0;
toolStripStatusLabel1.Text = "Writing " + f0 + " : ";
while (s0.ReadNextTrace())
{
SEGYTrace t = s0.currentTrace.Copy(); // seismic data
if (t.TraceHeader.traceIdentificationCode != 1)
{
continue;
}
// find water depth of source in meters
var srcDepth = Convert.ToDouble(t.TraceHeader.sourceDepthBelowSurface);
var fac = t.TraceHeader.scalarForAllElevationsAndDepths;
if (fac < 0)
{
srcDepth /= -fac;
}
else if (fac > 0)
{
srcDepth *= fac;
}
// calculate the corresponding time delay in seconds
var twt = 2 * srcDepth / 1500; // assume vw = 1500 m/s
var twtmsec = twt * 1e3;
t.TraceHeader.delayRecordingTimeMsec = Convert.ToInt16(Math.Floor(twtmsec));
var remainder = twtmsec - t.TraceHeader.delayRecordingTimeMsec;
// corresponding number of samples to pad trace for fractional delay times
var nsamp = Convert.ToInt32(remainder * 1e3 / t.TraceHeader.sampleIntervalUsec);
var data = t.TraceData.Data;
// mute start of trace
if (this.checkBox1.Checked)
{
int mutedelay = Convert.ToInt32(Convert.ToDouble(this.numericUpDown1.Value) * 1e3 / Convert.ToDouble(t.TraceHeader.sampleIntervalUsec));
for (int ii = 0; ii < mutedelay; ii++)
{
data[ii] = 0;
}
}
var datanew = new double[data.Length]; // should be initializes to zero
Array.Copy(data, 0, datanew, nsamp, data.Length - nsamp);
t.TraceData.Data = datanew;
s1.Write(t);
count++;
if (count % 100 == 0)
{
toolStripStatusLabel2.Text = count.ToString();
Application.DoEvents();
}
}
s0.Close();
s1.Close();
}
toolStripStatusLabel1.Text = "."; toolStripStatusLabel2.Text = ".";
}
