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GIS/Mapping Primer for Nonprofits

This article is intended to provide a very high-level conceptual overview of GIS software and geographic/mapping applications and their benefit to nonprofit and community organizations. 

Tutor/Mentor Connection: Leaders in Nonprofit GIS!

example of a map of tutor/mentor connectionI recently interviewed Dan Bassill, president and founder of Tutor/Mentor Connection, a well-respected organization in Chicago that provides extensive mentorship-related resources as well as an online community for tutor/mentor program educators, facilitators, fundraisers, policymakers, and other interested parties.  Dan has long been a supporter of the use of GIS and online mapping in a nonprofit/community context, and T/MC was providing interactive online maps years before the "Mashup Explosion" of this decade.

The Story of Tutor/Mentor Connection

I recently interviewed Dan Bassill, president and founder of Tutor/Mentor Connection, a well-respected organization in Chicago that provides extensive mentorship-related resources as well as an online community for tutor/mentor program educators, facilitators, fundraisers, policymakers, and other interested parties.  Dan has long been a supporter of the use of GIS and online mapping in a nonprofit/community context, and T/MC was providing interactive online maps years before the "Mashup Explosion" of this decade.

Nonprofit Mapmaking Tool Review: MAPresso!

MAPresso is a free Java-based utility for creating and displaying cartograms and choropleths, two types of maps that nonprofits can use to visualize their data.  Although importing your data into MAPresso isn't the simplest procedure in the world, the resulting maps offer a variety of analytical and aesthetic tools suitable for creating powerful and dynamic maps.

Maps Show Low-Income Neighborhoods Especially Vulnerable to Heat Waves

When people refer to "heat maps," they can be referring to spectrum-colored maps of values (e.g., maps that show red, yellow, green, etc., based on a range of values), or actual maps of the weather (such as on the back page of USA Today :).  In this post, we'll be examining both: heat maps of heat, so to speak.

heat map of phoenix

Free tools for making nonprofit maps: choropleths with uDig!

In last week's article about cartograms, we discussed one type of thematic map (a map that displays a theme, such as poverty statistics or disease infection rates).  This week, we'll look at some free programs to make choropleths - thematic maps that preserve distance and shape, but use colors or patterns to differentiate between different regions with different values.choropleth example