Question

Which of the following is not commonly used as a synonym for a line in GIS?

• A. Polyline
• B. Arc
• C. Edge
• D. Pixel

Hint:

Vector GIS: \[ \boxed{ \text{Line} = \text{Arc} = \text{Polyline} = \text{Edge} } \] Raster GIS: \[ \boxed{\text{Pixel = Raster Cell}} \]

Answer 1

The Correct Option is D

Concept: In vector GIS, a line feature may also be called an arc, polyline, or edge. A pixel is the smallest unit of raster data and is unrelated to vector line features.

Step 1: Recall GIS terminology. \[ \boxed{ \begin{aligned} \text{Arc} &\rightarrow \text{Line}\\ \text{Polyline} &\rightarrow \text{Line}\\ \text{Edge} &\rightarrow \text{Line}\\ \text{Pixel} &\rightarrow \text{Raster Cell} \end{aligned} } \]

Step 2: Identify the incorrect synonym. Hence, \[ \boxed{\text{Pixel is not a synonym for a GIS line}.} \] Therefore, the correct option is \[ \boxed{(D).} \]