1.

Raster data structure is more suitable for analytical operations. Explain with its advantages and disadvantages.

Answer»

Raster model divides entire area into regular grids in a specific sequence. Each grid cell contains a single value. It is relatively a simple approach for data integration both conceptually and operationally. 

Explain advantages and disadvantages in detail.

AdvantagesDisadvantages
It is easier to interface with remote sensing images.It requires more storage space.
It quickly processes queries.It faces mixed pixel problem
It is easy to understand, to read, to write and to draw on the screen.It includes redundant and missing data which affects interoperation.
It represents continuous surfaces.



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