GIS Data Analysis Question:

What is point-in-polygon overlay?

Answer:

► 1. A method interpolating point data
► 2. An overlay method used to determine which points lay within the boundary of a polygon
► 3. An overlay method used to determine the distance between a point and it is nearest neighboring polygon
► 4. An overlay method used to reclassify polygon data

An overlay method used to determine which points lay within the boundary of a polygon

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Assuming a pair of binary raster data layers, which of the following could be used as the equivalent of a Boolean AND overlay in cartographic modelling?	Which of the following overlay methods would you use to calculate the length of road within a forest polygon?