Skip to main content

Table 1 Description of the digital data from the Survey Department 2010

From: A GIS based approach to neighbourhood physical environment and walking among adults in Colombo municipal council area, Sri Lanka

Layer

Scale

Format

10 m Interval Contours

10 m

DGN and geo database

Spot Heights

11111 m

DGN and geo database

Streams and Rivers

1: 10,000

Coverage

Land Use

1: 50,000

Coverage

Roads

1: 50,000

Coverage

District, DSD, and GND

1: 250,000 and 1: 50,000

Shape files and Coverage

Buildings

1: 10,000

DGN format