Prep shapefiles

Insures the bounding box is present, and trims the length of excessively long string fields.  You select a folder, and all shapefiles under that directory will be processed.  The overall progress will be shown in the lower left corner of the screen.  This can take a while (so do it unattended), but pays dividends in time savings down the road.

Particularly useful for

Last Revision 12/17/2020