Answer:
Overlay is a GIS operation that superimposes multiple data sets (representing different themes) together for the purpose of identifying relationships between them.[2]. An overlay creates a composite map by combining the geometry and attributes of the input data sets. Tools are available in most GIS software for overlaying both Vector or raster data.
Explanation:
Before the use of computers, a similar effect was develioped by Ian McHarg and others by drawing maps of the same area at the same scale on clear plastic and actually laying them on top of each other.
<span>of or relating to geography.</span>
Neap tides are formed during the moon's last quarter phase.
Neal tides is the result difference of high and low tides. They are really weak tides, and they occur when the sun and the moons gravity forces, along with the Earth, are perpendicular to each other.
Perspective refers to the framework which is used to explain phenomenon.
The three kind of perspective which geographers used are:
1. Place, scale and space: Geography looks at the world through the lenses of place, space and scale.
2. Geography domain of synthesis: which relates human action to the physical environment.
3. Spatial representation.
