Generates Hexagonal Cartogram in ArcGIS

This article delves into the realm of cartogram generation within ArcGIS, a leading Geographic Information System (GIS) platform. We explore the intricacies of cartogram creation using ArcGIS, focusing on the underlying techniques, real-world applications, and best practices for effective visualization. From understanding the tools available in ArcGIS to addressing specific challenges unique to this environment, this comprehensive guide serves as a practical resource for GIS professionals and enthusiasts.

Introduction:

ArcGIS, developed by Esri, is a widely used GIS software that provides robust tools for spatial analysis and visualization. Within the expansive suite of capabilities that ArcGIS offers, cartogram generation stands out as a powerful method for distorting geographic features based on variable data. This article navigates through the specific functionalities, workflows, and considerations involved in creating cartograms within the ArcGIS environment.

Understanding Cartogram Generation in ArcGIS:

  1. ArcGIS Cartogram Tools: ArcGIS provides dedicated tools for cartogram generation, allowing users to transform conventional maps into dynamic representations of data. The Cartogram toolset includes features such as the Aggregate Polygons tool, enabling the distortion of polygons based on a chosen attribute.

  2. Data Preparation: Successful cartogram generation begins with the preparation of the underlying spatial and attribute data. This section explores the steps involved in organizing data within ArcGIS, ensuring that it is formatted appropriately for cartogram creation.

Applications of ArcGIS Cartograms:

  1. Demographic Insights: Showcase how cartograms in ArcGIS are instrumental in visualizing demographic patterns, population density, and migration trends. Using real-world examples, highlight how these maps can reveal valuable insights for urban planning and resource allocation.

  2. Election Mapping: Explore the use of ArcGIS cartograms for election mapping, showcasing how they effectively communicate voting patterns, political landscapes, and electoral outcomes at various spatial scales.

Creating Cartograms in ArcGIS:
  Video tutorial below demonstrate how to generate simple cartogram from polygon data in ArcGIS Desktop. The workflow described in the video also can be performed in ArcGIS Pro, QGIS or other GIS software as long as they have spatial join tool, tessellation grid generation tool, and selection by location tool.

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