Use the Text Parsing tab of the Job Options dialog to map text file columns to standard or custom fields and to load the whole text file. GeoExpress prompts you to set these options automatically when you add a LiDAR text file. At a minimum, you must map the X, Y, and Z columns of a file.
LAS files often contain header lines with the names of the columns and additional information. Enter the number of header lines are in the file so that GeoExpress does not attempt to read those lines as valid values.
Use the drop-down boxes for each column to map values to standard fields like X, Y, Z, Intensity, and more.
Create, edit, and delete custom fields that you want to map to columns. For example, you may want to create fields for a custom GPS time format or for sensor information.
When a job is run, each number in the data columns is represented by an offset and the default precision factor of .001. The Precision factor fields enable you to change the factor by which the data in any or all three axis columns will be represented to account for the number of significant decimal places in those columns.
If you select this option, GeoExpress reads the whole text file to determine image properties like the extents. You must select this option if you want to preview the LiDAR point cloud.
Select the Prompt me to map columns every time option to display these text parsing options every time that a text file is added.