Mapping of 11 Places (Package 1) from Satellite Images and Survey using Total Station for Utilities and Contours. (Hospet, Sira, Chikballapur, Robertsonpet, Chitradurg, Chintamani, Tiptur, Gangawati, Koppal, Haveri)

Funding Agency: World Bank

Location: Karnataka

GIS Mapping of 11 Towns of Karnataka

Actual Services provided by the Firm

• Establishment of 3 level control points using DGPS/TS, Geo reference/Ortho-rectify the satellite images (Quickbird of 0.6m resolution) and carryout feature extraction for preparation of base map at Scale 1:2000 in CAD and shape file formats. • Identification of locations for temporary and permanent monuments for PSCPs, SSCPs and TSCPs. • Establishing primary survey control on temporary monuments. • Construction of permanent monuments for PSCPs and establishing control. • Establishing SSCPs on permanent monuments. • Establishing tertiary level survey control points on temporary markers. • Carrying out the Total Station survey in developed area for utilities seen along the road, i.e. manholes, drains, electric pole etc. and survey for spot heights for generation of contour s within the mapping are for preparation of base maps at scale 1 : 5000 in CAD shape file formats. • Identification of points and control survey for second stage geo-referencing of satellite images. • Generation of DEM and ortho-rectification of satellite images. • Extraction of features in 2D from ortho-rectified satellite images. • Generation of final hybrid map at 1 : 2,000 using final map data at 1 : 2,000 from SI and utility and contour data at 1:500 from Total Station.