GEOGRAPHIC INFORMATION SYSTEM

1 .  Attempt any two of the following.                                                                    10

  1. List various GIS operations. Explain any two of them.
  2. Convert the following into degrees.
  3. 45o 15’ 45” ii. 1745 rad
  4. Explain with suitable example Coverage Data Structure.
  5. Explain the data structure used in the geodatabase data model.
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2 .  Attempt any two of the following.                                                                    10

  1. List various data sources that can be used to create new geospatial data. Explain any one.
  2. Explain the Neutral-format data exchange with suitable example.Define
  3. Digitizing
  4. Vectorization

 

  1. Attempt any two of the following.
  2. What is descriptive statistics? Explain.
  3. Explain spatial aggregation.
  4. What is the output of the following for a statement (slope = 1 ) AND (NOT(Aspect =3))?

 

  1. Explain with suitable example.
  2. spatial data query

 

 

 

5 .  Attempt any two of the following.                                                                    10

  1. List and explain various overlay operations based on feature type.
  2. What do you mean by pattern analysis? Explain Nearest Neighbour analysis.
  3. What is a local operation? Explain local operation with a single raster.
  4. Explain the neighbourhood operations with suitable example.

 

 

6 .  Attempt any two of the following.                                                                    10

  1. Explain the Thin-Plate Splines local method
  2. Explain the Thin-Plate Splines local method
  3. What is kriging? Explain universal kriging
  4. List and explain the elements of spatial interpolation

 

 

  1. Attempt any three of the following. 15

 

a.  Consider the following information on a 30-meter DEM:

           UTM coordinates in the lower left corner 560635,4816399.

                   UTM    coordinates    in     meters     at     the    upper    right          corner

570595,4830380. How many rows and columns does the DEM have?

What are the UTM coordinates at the center of the cell(row 1, column 1)?

 

b.  Write a short note on metadata

  1. Explain the different commonly used data classification methods

 

 

 

Q.1 (a) Define Map Projection. Explain families of projection and types of projection 07 with figure.

            (b) Explain methods of compacting raster data to preserve storage with figures.                                                      07

                                     

Q.2        (a) List all the vector models. Explain vector model to represent surfaces.                                                        07

 (b) Give the differences between Map Vs. GIS. Explain taxonomy of information 07 system with chart and details. 

                                                                                   OR                                

        (b) Explain spatial patterns and measurement levels for cartographic objects.                                                            07

                                     

Q.3             (a) Explain vector and raster to represent geographic space in map with example and           07 figures.

              (b) What is filter? Explain High pass and Low pass filter.         07

                                                                                   OR                                

Q.3             (a) Explain Hierarchical data structure and Relational data structure for managing   07 data.

                  (b) Explain Slicing method and cut & fill method of statistical surface.                                                       07

                                     

Q.4      (a) Explain Map preparation and Digitization process in GIS.  07

              (b) List all the types of Errors. Explain any two types of errors.   07

                                                                                   OR                                

Q.4             (a) Explain feature elimination and feature smoothing methods for simplifying             07 Map.

            (b) What is Overlay? Explain point and line in polygon overlay in Raster.                                                          07

                                     

Q.5      (a) Explain Metadata and metadata standards.                           07

             (b) Explain traditional and nontraditional Cartographic Output.    07

                                                                                   OR                                

Q.5       (a) Explain Map Design Controls in GIS output.                        07

          (b) Explain s/w development strategies & s/w testing methodology.   07