MU Information Technology (Semester 8)
Geographical Information Systems
December 2014
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) What are Slivers? What are the techniques available for dealing with slivers?
5 M
1 (b) What is Raster data model? What are the elements of Raster data model?
5 M
1 (c) What is Geographical Co-ordinate system?
5 M
1 (d) What is data conversion? Draw neat diagram and explain steps used in rasterization.
5 M

2 (a) What is line simplification? Explain with the help of next diagram how Douglas Pecker Algorithm works.
10 M
2 (b) What are the different formats available for storing a satellite Image of different bands? Comment on the suitability of a particular format.
10 M

3 (a) What is Spatial Interpolation? What arr: the different types of Spatial Interpolation? Explain any one in detail.
10 M
3 (b) What is Vector data Model? Name the three types of simple features used in GIS, their dimensions and property.
10 M

4 (a) Describe the UTM grid system. What are its advantages for GIS use.
10 M
4 (b) (i) What is digitizing? Explain the difference between point mode and stream mode digitizing?
(ii) What are the main sources of Raster data?
10 M

5 (a) What are the different components of data Quality
10 M
5 (b) Explain Energy Interaction with Earth's surface Materials.
10 M

6 (a) What are the steps involved in GIS Application development.
10 M
6 (b) What is Buffering? What are the variations in Buffering.
10 M

7 (a) Describe the methods of compacting storage of raster data.
10 M
7 (b) What is visual image Interpretation? What are the tasks involved? What are the elements of image interpretation
10 M



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