Caitlin Dempsey, Author at GIS Lounge

Laptop with QGIS, a desktop GIS software program

GIS and Map Contests

August 9, 2022August 1, 2022 by Caitlin Dempsey

Current map and GIS related competitions listed in order of the competition deadline.

A diagram with numbered labels for all the areas of a map layout.

Elements of a Map

July 25, 2022July 25, 2022 by Caitlin Dempsey

A map is made up of elements such as the map frame, legend, and north arrow.

Side by side comparison of screenshots of a data layer with a simple red outline and black labels as seen in ArcGIS Online and QGIS.

How to Add Data from ArcGIS Online to QGIS

October 21, 2022July 22, 2022 by Caitlin Dempsey

Adding data from an ArGIS Online Map Service or Feature Service into a QGIS map project is fairly easy and quick in most instances.

A Roundup of Geospatial Podcasts

July 14, 2022July 13, 2022 by Caitlin Dempsey

Here’s a list of GIS / geospatial podcasts you can listen to.

A map with text showing the four quadrants of the globe that are north or south of the Equator and East or West of the Prime Meridian.

Geographic Coordinate System

August 6, 2022July 1, 2022 by Caitlin Dempsey

Geographic coordinates are defined as being north or south of the Equator and east or west of the Prime Meridian.

Screenshot showing a CSV file with information about mean centers of population in the US. A shaded relief map is being the text file.

How to Add Latitude and Longitude as a CSV File in QGIS

June 29, 2022 by Caitlin Dempsey

This quick QGIS tutorial takes you through the steps of how to add a CSV file with latitude and longitude coordinates.

GIS Job Definitions

September 7, 2022April 17, 2022 by Caitlin Dempsey

What are the different types of geospatial job listings out there? Listed here is the list of different GIS, which is an acronym for geographic … Read more

What is a GeoTIFF?

October 25, 2022March 23, 2022 by Caitlin Dempsey

A GeoTIFF is a public domain metadata standard which has the georeferencing information embedded within the image file.

Screenshot showing how to import an Esri layer package into QGIS from Finder.

How to Import an Esri Layer Package in QGIS

July 22, 2022March 18, 2022 by Caitlin Dempsey

While QGIS cannot directly read an Esri layer package, there is a simple technique to unpack the file and import it into this GIS software.

GIS Day and PostGIS Day Are Coming Up

November 10, 2021November 8, 2021 by Caitlin Dempsey

November 18, 2020 marks the 21st anniversary of GIS Day. The following day is PostGIS Day.

List of 30 day map challenge topics by Topi Tjukanov @tjukanov.

November 2021 Map Challenge

October 24, 2021October 20, 2021 by Caitlin Dempsey

Topi Tjukanov has announced a 30-day map challenge starting November 1.

A Joy Plot of the San Francisco Bay Area. Created using Peak Map.

Making Joy Plots with GIS

June 8, 2022September 13, 2021 by Caitlin Dempsey

Joy plots is a cartographically creative way to show topography on a map. Learn how to create joy plots using GIS.