Digitization

1. Digitizing concept
         is a way to describe the condition of the earth into a computer file. Digitized map data sources include:
      - Raster Image Data
a. Map Analog: manual data source that will use additional tools that diditasi digitizing table.

digitalize table

b. Image Remote Sensing (Soft Data): such as remote sensing from satellites
c. Image Scanning (soft data): shaped scanned raster files of analog map
 
How to choose a good raster data
1. Having a clear reference coordinate
2. It has a scale
3. Having clear boundaries
4. A clear direction of the wind

- Data tabulation
    a. manual tables: the data in a table that can be used as a reference in making a vector image
    b. GPS: data taken from GPS devices such naviasi

- Data from field measurements
for example, such as data administrative boundaries, forest boundaries, boundaries