A decision support system for local administration in GIS
environment - A study at Paramakudi Taluk of
Ramanathapuram district, Tamil Nadu


Methodology
The study commenced with basic data collection procedures. They were grouped into Map data and Attribute data.

All administrative boundaries and other relevant map information were obtained from the Land Records department Village maps at 1:5000 scale. The general methodology adopted for this study is shown in Figure 1.

Methodology

Figure 1




Figure 2

The study area was about 724 Sq. Km. with 93 revenue villages (Fig.2). In all 186 map sheets of near A0 size were scanned at 400 DPI resolution, A0 scanner. All map sheets were vectorised systematically in the following themes for each map sheets.
  • Administrative Boundary (Polygon)
  • Village
  • Panchayat
  • Union
  • Taluk
    •
  • Hamlet (Point)
  • Road (Line)
  • Major Road
  • Minor Road
    •
  • Railway (Line)
  • Drainage (Line)
  • Water Body (Polygon)
  • Kanmoi
  • Tank
    •
  • Wells (Point)
  • Round Well
  • Square Well
    •
  • Bridges (Point)
  • Pilgrim Centre (Point)
  • Kovil
  • Temple
  • Church
  • Mosque
    •
  • Burial Ground (Point)

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