SESSION 4

Infographics

and Data Visualization

Wednesday 1th December, 2021

 Laura Navarro & Storydata

  • Maps to tell stories
  • Basic concepts of geocoded data
  • Kinds of maps
  • Platforms to find geospatial data
  • Flourish: maps
  • Regions and points
  • Download and share

Infographics and Data Visualization

Structure

Theory

Practice

SESSION 4

 

1h

1h

Lascaux caves

Infographics and Data Visualization

SESSION 4

 

Maps that tell stories

John Snow

Infographics and Data Visualization

Maps that tell stories

SESSION 4

 

Infographics and Data Visualization

Maps that tell stories: data visualization

SESSION 4

 

RTS. Radio Television Suisse

Reuters. World’s biggest iceberg heads for disaster

Maps that tell stories: infographics

Infographics and Data Visualization

SESSION 4

 

Geospatial data

Infographics and Data Visualization

Basic concepts of geospatial data

SESSION 4

 

points
some coordinates

regions/polygons

constellation of coordinates

Infographics and Data Visualization

SESSION 4

 

Latitude Longitude name
42.061201860  -0.490321024 point1
38.887787884  -1.537996281 point2
38.696322447  -9.137571576 point3
geometry name
polygon region1
multipolygon region2
polygon region3

Basic concepts of geospatial data

-0.48576,38.00000;-1.5600786,38.547564;-0.496745634,37.058475, etc.

Infographics and Data Visualization

SESSION 4

 

Basic concepts of geospatial data

JSON (acronym of JavaScript Object Notation). It is a simple text format for data exchange.

CSV (Comma Separated Values)
TSV (Tabulator Separated Values)
Excel

GeoJSON. The same as JSON but designed for representing vector geometries

Others: XML, KML

SHP (Shapefile)

Basic concepts of geospatial data

Infographics and Data Visualization

SESSION 4

 

Geospatial data draws dots or shapes, and they store information for each one of these points or regions

Infographics and Data Visualization

SESSION 4

 

Map types

Dots/Points

Infographics and Data Visualization

SESSION 4

 

Reuters, World’s biggest iceberg heads for disaster

Choropleth

Infographics and Data Visualization

SESSION 4

 

Percentage of people who live in less than 20m2, LN

Infographics and Data Visualization

SESSION 4

 

[17:49]

Infographics and Data Visualization

SESSION 4

 

Bubble

Bing, Covid-19 cases

Infographics and Data Visualization

SESSION 4

 

Heat

Indian Anual Average Rainfall Map. Wikimedia

Infographics and Data Visualization

SESSION 4

 

Flows

Haisam Hussein.

Infographics and Data Visualization

SESSION 4

 

Hexagonal binning

The Economist. UK Election 2015

Categorical color scales: categories of elements

Sequential color scales: numbers (from low to high)

Diverging color scales: positive, negative and midpoint values

Color palettes

Infographics and Data Visualization

Brief mention to Projection

SESSION 4

 

· Geographical Institutes websites / Open Data
http://centrodedescargas.cnig.es/CentroDescargas/index.jsp​ ​

Geospatial
Data Sources

Your turn

Infographics and Data Visualization

SESSION 4

 

 https://academy.datawrapper.de/article/134-what-to-consider-when-creating-choropleth-maps

What to consider when creating choropleth maps, Datawrapper

https://blog.datawrapper.de/beautifulcolors/

How to pick more beautiful colors for your data visualizations, Lisa Charlotte Rost  (Datawrapper)

Outlier Conference 2021, Data Visualization Society

Infographics and Data Visualization

SESSION 4

 

Thank you!

Categorical color scales: categories of elements

Sequential color scales: numbers (from low to high)

Diverging color scales: positive, negative and midpoint values

Session 4

By laura_navarro

Session 4

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