Eric van Rees

Eric van Rees started his freelancing career in 2016. Since then, he has provided content to geospatial companies all over the world, including Trimble, Hexagon, SOAR and TravelTime. His articles have been featured in various geospatial magazines and blogs. He also publishes GIS tutorials for Python developers and is co-author of the book "Mastering Geospatial Analysis with Python" (Packt Publishing). www.ericvanrees.com You can find him on Twitter as @eric_van_rees.

Providing a Voice Interface for Geospatial Data

March 18, 2022February 22, 2022 by Eric van Rees

Qwhery CEO Matt Pietryszyn discusses his smart speaker application Q11, that uses voice assistant technology to answer geospatial data queries.

Spray painted white signed with a Red Cross and blue lettering that says, "You Are Here".

You Are Here: How Google Improves Mobile Location Accuracy

November 16, 2021 by Eric van Rees

Ed Parsons explains how Google continues to innovate in the location technology sector.

Figure 10: The resulting bar chart showing the total population counts for the 30-minute driving time catchment areas.

How to Perform a Site Selection Analysis in ArcGIS Pro

November 5, 2021 by Eric van Rees

Using this tutorial, ArcGIS Pro users will learn how to do a site selection analysis, which includes analyzing travel times and accessibility to a location via various modes of transportation.

Screenshot of the OpenTopography map interface.

Open Topography: A Spatial Data Infrastructure for Topographic Data

October 6, 2021 by Eric van Rees

Open Topography is a web-based portal for imagery and lidar data that allows users to create their own deliverables.

Photo of a drone hovering in the air before a hill with blue skies in the background.

Everything You Need to Know About LiDAR From Drones

October 15, 2022September 15, 2021 by Eric van Rees

NV5’s Lukas Fraser discusses drone-based LiDAR: best use cases, how data accuracy is ensured when using drones to capture LiDAR, why LiDAR and high-resolution imagery are complementary technologies, and new market opportunities for topo bathymetric LiDAR.

This ALOS PALSAR interferogram shows uplift and subsidence related with a June 2007 earthquake on Kilauea Volcano.

How the Satellite Imagery Industry is Re-inventing Itself

August 31, 2022September 2, 2021 by Eric van Rees

Joe Morrison discusses how new businesses are developing tools that use satellite imagery and SAR to quantify climate-related disasters.

Isochrone map of walking times in central London in ArcGIS.

How to Create Public Transport Isochrones in ArcGIS Pro

September 19, 2021November 16, 2020 by Eric van Rees

This tutorial shows GIS users how they can create public transport isochrones using ArcGIS and the TravelTime plugin.