Caliper Mapping and Transportation Glossary

DEFINITION

What is a Heat Map?

A heat map (or density grid) is used to visualize and analyze point data by transforming the points into a regular grid. Each resulting grid cell is assigned a value that is determined by the proximity of nearby points, optionally weighting each point using a weighting value. Heat maps use color palettes that represent the values from low to high. Unlike a choropleth map, a heat map does not conform to geographic areas with defined boundaries such as states, counties, postal codes, or land parcels.

What is a heat map/heat map defintion: Heat map showing the concentration of CBD stores in Los Angeles

A heat map can illustrate the concentration of stores across a city to help you visualize over and underserved areas.

Heat maps are useful for mapping crime data to show hot spot locations, mapping vehicle miles traveled to spot areas of congestion and higher air pollution, and analyzing the pattern of clients around a store weighted by the cost of their purchases.

GIS Software for Creating Heat Maps

Maptitude Mapping Software gives you all of the tools, maps, and data you need to analyze and understand how geography affects you and your business. Create informative heat maps that show the geographic patterns in your point data.

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