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Geological Engineering · Q86

Remote Sensing and GIS in Geological Engineering

Engineering and GATE · Geological Engineering · question 86

Q86

What does 'spatial interpolation' in GIS involve?

A.
Predicting unknown values at unsampled locations based on known data
Answer
B.
Classifying land cover types
C.
Extracting vector data from raster
D.
Converting 2D data to 3D

Answer: Option A

Solution

Answer: Option A
Solution:
Spatial interpolation estimates data values at unknown points using surrounding known values.Common methods include Kriging, IDW, and spline.