Geodetic Surveying & SBPS
a) Objects, Methods of Geodetic Surveying, Introduction to Triangulation, classification
of Triangulation Systems, Triangulation figures, Concept of well conditioned Triangle,
selection of stations, intervisibility and height of stations.
b) Introduction to SBPS, SBPS systems - GPS, Glonoss, Galileo, Gagan, Compass, etc
and their features, Segments of SBPS (Space, Control and User), their importance and
role in SBPS, Positioning with SBPS - Absolute & Differential Methods, Use of SBPS in
Surveying, SBPS Co-ordinates & heights, Factors governing accuracy in SBPS
positioning, Different types of errors in SBPS Positioning.
Objects, applications, Establishing controls, Shore line survey, Sounding, Sounding
Equipment, Methods of locating soundings – conventional and using GPS , Reduction
of soundings, Plotting of soundings, Nautical Sextant and its use, Three point problem
and its use, solution of three point problem by all methods, Tides and tide gauges,
determination of MSL
Trignometric Levelling and Setting out works
a) Trignometric Levelling - Terrestrial refraction, Angular corrections for curvature and
refraction, Axis Signal correction, Determination of Difference in Elevation by single
observation and reciprocal observations.
b) Setting out of Construction works. Setting out of a bridge, determination of the
length of the central line and the location of piers. Setting out of a tunnel – surface
setting out and transferring the alignment underground.
Kinds of errors, Laws of weights, Determination of most probable values (MPV) of
conditioned and independent quantities, Method of Least Squares, Indirect
observations, Probable error and its determination, Distribution of error to the field
measurements, Normal equation, Method of correlates. Station and figure adjustment
of Geodetic Quadrilateral without central station.
Spherical triangle, Calculations of spherical excess and sides of spherical triangle.
Objects, Classification - qualitative & quantitative photogrammetry Applications,
comparison of map and aerial photograph, Vertical, Tilted and Oblique photographs,
Scale of & Relief displacement in vertical photograph, Stereoscopic parallax & its
measurement by parallax bar.
Mirror stereoscope, Differential height from differential parallax. Ground control points
(GCPs), Flight planning Introduction to digital photogrammetry, different stereo
viewing techniques in digital photogrammetry, Method of creation of elevation data,
Different products of digital photogrammetry.
Remote Sensing and Geographical Information System
a) Remote Sensing Introduction and definition, Necessity, importance and use of
remote sensing, Difference between Aerial photograph and satellite image, Manual &
digital image interpretation, Elements of visual image interpretation such as size,
shape, tone, texture, etc.
Field verification or Ground truthing. Advantages and limitations of RS, Different
applications of RS - (Land use and land cover mapping, Disaster management Flood &
Earth Quake, and Resource Inventory management,) Digital Image processing, its
objectives and different steps in it. Introduction to LIDAR & Underground utility
b) Geographical Information System - Introduction, Definition, Objectives,
Components (people, procedure, hardware, software & data) & functions (input,
manipulation, management, querry & analysis and visualization) of GIS. Coordinate
systems and projections, Georeferencing, GIS data – spatial (Raster & vector) & aspatial
data. Introduction to vector and raster data analysis such as network analysis, overlay
analysis etc. for vector, DEM, Management of aspatial data. Applications of GIS such as
Visibility analysis, Slope analysis, Watershed analysis.& Preparation of thematic maps.
Limitations of GIS,