Discussion
Read the statements given below and select the correct option :
(a) Vector data has complex data structure than raster data
(b) Vector data is not compatible with remote sensing images
(c) Vector data is efficient for network analysis
Answer: C
The key accepts all three statements, so the answer is (a), (b) and (c) are true.
Vector data stores points, lines and polygons with their coordinates and the topology linking them, which is a more complex data structure than the simple grid of cells used for raster data (a). Satellite and aerial images are raster data, so vector data cannot be used with them directly without conversion (b).
Because vector lines keep their connections, vector data is efficient for network analysis such as finding the shortest route along roads or tracing flows through pipes (c). With all three accepted, each option marking one of them false is wrong.
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