Geographic Information Systems (April – 2017) [CBSGS - 75:25 Pattern | Question Paper]

Geographic Information Systems (April – 2017) [CBSGS - 75:25 Pattern | Question Paper]

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Time: 2 ½ Hours
Total Marks: 75

NOTE:
(1) All Question are Compulsory.
(2) Make Suitable Assumptions Wherever Necessary And State The Assumptions Made.
(3) Answer To The Same Question Must Be Written Together.
(4) Number To The Right Indicates Marks.
(5) Draw Neat Labeled Diagrams Wherever Necessary.
(6) Use of Non-Programmable Calculator is allowed.

Q.1. Attempt Any Two Questions: (10 Marks)

(A) List and explain GIS Operations related to Data Analysis.

(B) Write a short note on Rasterization.

(C) Explain the Universe Transverse Mercator (UTM) Grid System. Give suitable example.

(D) Explain the following terms of object based data model and give suitable example:

      (i) Aggregation

      (ii) Association

Q.2. Attempt Any Two Questions: (10 Marks)

(A) What is Root Mean Square Error in Geometric Transformation? Explain the role of RMS error in Affine Transformation.

(B) Explain the Map-To-Map and Image-To-Map Transformation.

(C) List the Common Resampling Methods and explain them.

(D) Explain the Bilinear Interpolation Resampling Method with suitable example.

Q.3. Attempt Any Two Questions: (10 Marks)

(A) Explain different types of attribute table.

(B) Explain File and Hierarchical Database with suitable example.

(C) Explain:

      (i) Dot Map

      (ii) Choropleth Map

(D) Explain Relational Database with suitable example.

Q.4. Attempt Any Two Questions: (10 Marks)

(A) Explain data exploration.

(B) Explain spatial data query with suitable example.

(C) Explain with suitable example the query by cell value type of raster data query.

(D) What is the output of the following for a statement (slope = 2 ) AND (Aspect =1)

Q.5. Attempt Any Two Questions: (10 Marks)

(A) Explain Buffering.

(B) List and explain various Overlay Operations based on feature type.

(C) Explain the following Map Manipulation Operations with example:

      (i) Dissolve

      (ii) Append

(D) Explain the Reclassification Local Operation of Raster.

Q.6. Attempt Any Two Questions: (10 Marks)

(A) List and explain the types of Spatial Interpolation.

(B) Explain the Density Estimation local method.

(C) What is Kriging? Explain.

(D) Define following:

      (i) Anisotrophy

      (ii) Range

      (iii) Nugget

      (iv) Partial Sill

      (v) Sill

Q.7. Attempt Any Three Questions: (15 Marks)

(A) Explain the different components of GIS.

(B) Write a short note on metadata.

(C) Explain normalization with suitable example.

(D) Write a short note on feature selection by graphic data query.

(E) Find the zonal mean for the input raster(a) using a zonal raster(b)

(F) Describe how Semivariance can be used to qualify the spatial dependence in a Data Asset.