Importing tabular format data from a text file
Import Table module reads tabular data from an external text file and converts it into an internal table that can be used by the processing system. This allows geometry, attributes, or auxiliary data created outside the software to be integrated into seismic workflows.
The module supports common text formats, including tab-delimited text, comma-separated values (CSV), and formatted space-delimited files. Column headers and data rows are interpreted based on user-defined or predefined table formats.
Imported tables can be used for quality control, geometry validation, attribute mapping, and as input to other processing modules. The import process does not modify seismic data and only affects the creation of a new internal table.
For best results, ensure that the input text file uses consistent delimiters, clearly defined header rows, and correct data types before importing.
Text filename - specifies the name and location of the input text file to be imported as a table. The file must be accessible and readable by the software.
Text Format { Auto, Text (Tab delimited), CSV (comma delimited), Formatted text (Space delimited) } - specifies how columns are separated in the input text file. By default, Auto. Select the desired option from the drop down menu.
Auto attempts to detect the format automatically.
Text (Tab delimited) uses tab characters,
CSV (comma delimited) uses commas, and
Formatted text (space delimited) uses fixed-width spacing.
Table Format { Custom format, Geomage format (from 'Export table') } - specifies the structural layout of the input table. Custom format allows user-defined row and column settings, while Geomage format imports tables previously exported using the Export Table module. By default, Custom format.
Table Format - Custom format - enables manual definition of table structure, including header rows and data start position. Use this option when importing tables from external sources.
Headers row number - specifies the row number containing column names in the input file. Used to assign column headers to the imported table.
Data start row number - specifies the row number where table data begins. All rows before this number are ignored during import.
Number of threads - One less than total no of nodes/threads to execute a job in multi-thread mode. Limit number of threads on main machine.
Skip - By default, FALSE(Unchecked). This option helps to bypass the module from the workflow.
Table out - outputs imported file as an table.
There is no information is available for this module.
In this example, we import a text file (tabular format file).
Select the input file from the Input data tab and select text format from the appropriate format from the drop down menu.
Execute the module and generate the vista item.
There are no action items available for this module so the user can ignore it.
YouTube video lesson, click here to open [VIDEO IN PROCESS...]
Yilmaz. O., 1987, Seismic data processing: Society of Exploration Geophysicist
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