| # GRASS Help System

## INTRODUCTION: GRASS MAP DEVELOPMENT PROGRAMS

To be used by GRASS programs, data must be digitally stored in a GRASS database. Data can be entered into a GRASS data base in one of several ways:

(1) Hardcopy data (like paper maps) may be either digitized or scanned

into GRASS's vector file format;

(2) Data already available in another digital format (like ARC-INFO

data) may be converted into GRASS's digital data file format, and
stored in a GRASS database;

(3) GRASS analysis programs can be used to create new GRASS data from

data already stored in GRASS digital data file format.

The GRASS programs described in the map development section are designed for the input, manipulation, and adjustment of data, primarily obtained from sources outside of GRASS.

For more information on these programs, return to the menu and select an area of interest.

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Automatically created on: Sat Jan 8 06:50:26 2005