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Seg-D bar

The Seg-D tab (blue) holds the tools for SEG-D field records: adding files, reading their headers, opening the QC views and converting the records. The tab works on the current record set, which is the file or directory selected in the Seg-D files panel.

SegD_bar.png

Input

  • Add directory - adds a whole folder of SEG-D files as one record set. Needs a Seg-D licence.
  • Add Seg-D files - adds one or more SEG-D files (*.sgd *.segd *.sd *.hd).
  • Sync folder - continuous shooting: new records written into the folder appear automatically. Available when a directory is selected.
  • Read headers - reads the headers of the current record set.
  • Read headers all - reads the headers of all record sets. Needs a Seg-D licence.

QC views

Each button brings the view to the front of the Seg-D workspace window: Input file list, Channel sets, Headers (the Headers table), Suspicious files, SP-Line map and Current Seg-D file. See Seg-D QC views.

Settings

  • Seg-D version - the SEG-D revision used to decode the records (0, 1, 2, 2.1 or 3). It follows the revision written in the file automatically. See Formats.
  • Apply MP factor - applies the descale multiplier of the channel sets to the samples. On by default.
  • Convert WGS84 to UTM - converts WGS84 source and receiver coordinates to UTM. Off by default.
  • Additional headers - opens an editor for extra header fields to read from the records.
  • Reset additional headers - returns the additional headers to their defaults.

Changing a setting of a record set whose headers are read requires the headers to be read again.

Convert

  • Convert to Seg-Y - writes the current record set into one SEG-Y file (.sgy). Records excluded in the Suspicious file list are skipped.
  • Time-stamp file - writes the record times (FFID, year, day, hour, minute, second) of the current record set to a CSV file (.csv). Read the headers first. Needs a Seg-D licence.
  • Save Seg-D - saves the current record set as SEG-D, format 8058, one record per FFID. A revision 3 record set is written as revision 3, all others as revision 2. Needs a Seg-D licence.

See Seg-D Data QC and Conversion for the save options.

See Also