What is reprojection Reprojecting is a common task in GIS when working with multiple data layers or when the data needs to be in a specific format for analysis...

Discover the power of Synthetic Aperture Radar (SAR) technology and learn how it is used in precision agriculture and geospatial applications. Understand the principle of SAR, its advantages over...

Learn the differences between polygons and multipolygons in GIS, how to identify them and how to convert them. Discover tips and tricks on how to manipulate and analyze your...

Learn how to load spatial data into a PostGIS database using command line tools, GUI tools and programming languages. Discover the different methods available such as using shp2pgsql, ogr2ogr,...

Learn how to convert shapefiles to GeoJSON using various methods like QGIS, Fiona and PyShp, ArcMap, R and online tools. Understand the key differences between shapefiles and GeoJSON and...

Whether you are a beginner or an experienced GIS professional, this article will provide valuable information on how to efficiently clip rasters using shapefiles in GDAL and QGIS.

Selecting by expression in QGIS – What does it mean? Selecting by expression in QGIS means using a specific set of rules or conditions to select a subset of...

So what is a cloud-optimized GeoTIFF? A cloud-optimized GeoTIFF (COG) is a format for storing and serving georeferenced raster imagery on the web. It is a regular GeoTIFF file...

Need to learn how to create buffers using QGIS? This comprehensive guide explains everything from defining buffer process and results

GPS and GNSS The Global Positioning System ( GPS ) is part of a group of satellite positioning systems called Global Navigation Satellite Systems ( GNSS). These systems provide...

What is a satellite? A satellite is a man-made object that is sent into orbit around the Earth, or around another planet or celestial body. The purpose of a...

The Difference between Vector and Raster Data in GIS In this article, we will cover the fundamental differences between raster and vector data. Geospatial data can be represented using...

What is a Bearing? A bearing is a direction of one point relative to another point, usually given as an angle measured clockwise from north. In navigation, bearings are...

How Thermal Imaging is Used in GIS Like an x-ray for temperature, thermal imaging has many applications both on and around the Earth. For many of us, our first...

What is a Map? A map is defined as a representation of the physical characteristics of a place. They provide a wealth of information and help us navigate from...

An Introduction to Geospatial Database Management We live in an increasingly spatially aware world. Many of the decisions we make are based on location. Location data helps us to...

The difference between Geography and Geometry Before we dive too deep, you might want to check out these resources: Geometry Data Type In SQL, the GEOMETRY data type represents...

The role of GIS emergency management The purpose of this post is to provide a broad overview of the role of GIS emergency management and not an exhaustive list...

Preparation is the key Preparation is key to acing a job interview, and this is especially true for those seeking positions in broad technical fields like GIS. To make...

The truth is GIS is a subset of Geospatial let’s start off by defining GIS Depending on how you view the world GIS can either mean Geographic Information Systems...

The Field Calculator in QGIS The Field Calculator in QGIS is a powerful tool that allows you to perform calculations on the attributes of a vector layer. Here are...

Making a new Shapefile in QGIS New Shapefile Layer tool Not sure what a shapefile is? Click here! To create a shapefile in QGIS, you can use the “New...

merging multiple vector layers To merge multiple vector layers into one layer in QGIS, you can use the Merge Vector Layers tool. Here’s how: The Merge Vector Layers tool...

Want to know how cell phone GPS tracking works? Learn the basics and find out the importance of GPS tracking in this comprehensive guide!

What is the Difference between WMTS and WMS WMS (Web Map Service) WMS (Web Map Service) is a standard protocol for serving geospatial data as images (e.g., PNG, JPEG)...

What is the difference between WMS, WFS, WCS, WPS services? Web Map Service – WMS WMS (Web Map Service) is a standard protocol for serving geospatial data as images...

How to create and use virtual rasters in QGIS What is a virtual raster? A virtual raster (VRT) is a special type of file that references one or more...

Reading a Shapefile using Python There are several options for reading a shapefile in Python, this short tutorial will Reading a shapefile with Geopandas The geopandas library, which is...

OpenStreetMap- An Open Source Geospatial Data Hub The geospatial community benefits greatly from the free and open-source contributions of its members. From databases to forums, to Twitter threads, GIS...

How to calculate the area of polygons using QGIS If you are just getting started with QGIS and or GIS take the time to check out our archive of...

Spatial clustering with PostGIS PostGIS is an extension for the PostgreSQL database that adds support for spatial data types, indexing, and functions for spatial queries. Here are a few...

JavaScript and GIS In this article we will discuss the use of JavaScript in GIS for building GIS APIs, web maps, and backend and frontend GIS web applications. Additionally,...

Getting Started with PgRouting Some of the most common questions to answer when opening a map are probably “Where are we?”, “How do we get from point A to...

What is a point of interest? Point of interest (POI) data is a type of geographic data that describes specific locations that are of interest to a particular audience...

85 applications and use cases for satellite imagery

What Is Reality Capture? Reality capture is a term used to describe the process of digitally capturing, analyzing, and representing the physical world. This can be done using a...

The Difference between projection and datum In the context of geography and mapping, the terms “projection” and “datum” refer to different aspects of the coordinate system used to represent...

What is pixel Depth? Pixel depth, also known as bit depth, refers to the amount of information stored in each pixel of a digital image. It is typically measured...

What is geographic topology? Geographic topology is a branch of geography that studies the spatial relationships between objects or features on the earth’s surface. It is concerned with understanding...

Every Thing You Need To Know About Geocoding Geocoding is the process of converting addresses or other geographic data, such as place names or latitude and longitude coordinates, into...

What is GEOAI? GeoAI, also known as Geographic Artificial Intelligence, is a field of study that combines the use of geographic information systems (GIS) and artificial intelligence (AI) to...

What are digital elevation models A digital elevation model (DEM) is a digital representation of the terrain of a geographic area. It is a type of geographic data that...

ShapeFIles Explained What is the purpose of a shapefile? A shapefile is a type of file used to store geographical data. It is a common data format for storing...

Automating GIS Tasks in QGIS If you find yourself having to repeat the same process several times throughout your workday, then you should consider automation. It might take some...

How To Download OpenStreetMap GIS Data – Both Small And Large Datasets Downloading OSM data can be done directly on the OpenStreetMap website for small areas, or through Planet...

What kinds of Jobs can you get with a Degree in Geography You would be mistaken if you thought geography was solely about the study of the physical environment,...

RASTER TILES – What You Need To Know Map rendering is likely the most relevant feature of every web mapping platform. It defines how the user receives and interacts...

What is Geotagging and Why is it Important? Broadly speaking, geotagging is the attachment of a geographical reference to a digital product like a photo, website, QR code or...

CONNECTING QGIS WITH A POSTGIS DATABASE QGIS and PostGIS are excellent tools for managing geospatial data. Both GIS platforms offer an interactive Graphics User Interface that allows users to...

Why It’s Time to Create Your First Online GIS Portfolio We all know the standard procedure of what to “hand in” when applying for jobs, but not all of...

Understanding the Difference Between GNSS, GPS, and SBAS Understanding navigation systems via satellites is a study within itself. Throw in acronyms for everything, and you’ve got a whole new...

Getting Started with PostGIS SQL (Structured Query Language), usually pronounced “see-quel”, is the standard language for interacting with relational databases, and many cloud data warehouses including Databricks, Snowflake, AWS...

Understanding Cloud-Optimized Point clouds This article will have two sections; with the first section explaining in detail the cloud-optimized point clouds data format, and the second part touching briefly...

Emergency Management & GIS In addition to having a presence in three-dimensional geographic space, natural disasters like floods and fires are time series events. They often take place rapidly,...

Do I Need to Code to Have a Successful Career in Geospatial? There is no doubt that geospatial skills are in demand. Just this year the UK government published...

Open Source GIS Servers What Is A GIS Server? Several technologies go into supporting the utilization of GIS capabilities over the internet as web services. Through these technologies you...

HOW TO CREATE AND VISUALIZE CLOUD OPTIMIZED GEOTIFFs (COG) IN ARCGIS PRO A Cloud Optimized GeoTIFF (COG) is a data type that utilizes cloud-based platforms for the storage and...

Mapping vs. Monitoring: What’s the Difference?  Mapping and monitoring are two words that often go hand in hand, but it’s not always clear exactly where their differences lie. While...

Mesh data in QGIS This article will cover the following areas. Definition of mesh data as first-class data format similar to vector and raster formats. Mesh data standards When...

Best Online Courses for Geospatial Python Why Use Python For Geospatial Python is the most widely used coding language for geospatial work. This is primarily because it’s relatively easy...

A Cloud Optimized GeoTIFF file, otherwise known as COG, is a regular GeoTIFF that allows a user to stream the data across the web!

Tutorial: Getting started in Raster Processing with GDAL and Python In this geoprocessing with Python guide, we will cover the basics of reading and analyzing raster data with GDAL....

What Does the Metaverse Mean for GIS? Let’s paint a picture. Our geospatial journey into the metaverse begins at a virtual, yet in-person GIS conference. We are all in...

Machine Learning in QGIS for satellite Image Classification From this satellite image, we want to create a land use land cover map by extracting various land use land cover...

HOW TO DOWNLOAD DATA FROM OPEN STREET MAP – A COMPLETE GUIDE The quality of your GIS analysis is largely dependent on the quality of the acquired dataset. When...

Drone Mapping Tools When we talk about drones, we’re also talking about Unmanned Aerial Vehicles (UAVs), and they have served a number of purposes throughout history. Commonly known for...

Geocoding in QGIS: Address to Latitude and Longitude. If you were to tell someone where you are located, how would you do it? Maybe you would give them your...

Between the Lines: Working with Networks in GIS Geospatial information systems, otherwise known as GIS, is gaining popularity in industries across the world due to its ability to provide...

LiDAR Data and LiDAR tools you need to process it What is LiDAR LiDAR is a remote sensing technology that uses lasers to make measurements of a surface, enabling...

How to use the STAC API Browser plugin to add Satellite Imagery to your QGIS Project What is the STAC API Browser What would you do if you wanted to...

A Digital Elevation Model represents the altimetric data of the bare-earth. Click here to know how a DEM assists urban planning.

The Technology of Tracking Ships and Vessels Between 2011 and 2020, about 876 vessels went missing at sea. Statista cites that the majority of these ships were cargo ships—totaling...

How to create a road network database (pgrouting) using open-source data and software on Windows by: Adam Stjärnvik In this tutorial we will set up a fully functional, fully...

Stormwater Management & GIS Along with urban planning, infrastructure mapping, and change detection technology, geospatial solutions for hydrology are just as vital to city officials as they are to...

Fundamentals of Rasters and Imagery The seemingly disparate accumulation of images above all have a common element. Can you guess what common thread binds them together? The world of...

A Complete Guide to Free and Offline Mapping Software Having the ability to work on your GIS projects offline, when network access is unavailable or patchy, is hugely beneficial....

GIS for Urban Planning: Making Cities a Better Place to Live GIS is commonly used in urban planning, in fact, it’s an essential tool of the trade. It gives...

Tutorial: Create and host an interactive web map with Python Interactive maps are a great medium for data visualization because they allow users to explore a dataset for themselves. ...

Hardware in GIS: Tools of the Trade If you have any experience with GIS, you’ll understand that the work can be incredibly demanding on your computer. Following the increased...

Microsoft’s Planetary Computer vs. Google Earth Engine: A Compare and Contrast Traditional geospatial analysis involves working with locally hosted raster and vector data that has been downloaded from a...

Free GIS Data and Where to Find It Many governments and non-for-profit organizations have a desire to be transparent with the information they collect. As a result, you’ll find...

Flooding has plagued civilization forever, however increasing urbanization, population growth and economic growth is leading to greater damage 1. A number of things can cause flooding, including heavy rain,...

Modelling Fire Risk in ArcGIS Pro When wildfires occur, wildlife and their natural habitats are destroyed putting some animal and plant species at risk, even of extinction. Human settlements...

Navigating Geospatial Open Source: A Guide to an OGC Stack As a technical discipline that is extremely reliant on high resolution imagery, powerful software, and enormous amounts of robust...

What is a GIS or Geospatial Certification? Don’t be mistaken, a certification is not the same as a certificate program. A certificate program is about teaching, whereas a certification...

Analyzing, Monitoring, and Predicting Drought Using Remote Sensing Introduction Drought is a serious natural disaster that occurs when there is a lack of precipitation over a long period of...

How to Set up a Python Environment for Geospatial Programming In a past post, we discussed the Essential Geospatial Python Libraries. Now we’ll put theory into practice with examples...

Flood Risk Modelling in ArcGIS Flooding is among the most destructive of natural hazards. It can cause loss of life, destroy infrastructure and property, and impede economic and social...

10 of the Best Free Geospatial Tools The functions and possibilities of the GIS software we have today are seemingly endless. Although it is highly convenient to buy into...

An Introduction To Cloud-Native Geospatial Vector Formats In a previous post, we discussed cloud-native geospatial file formats for raster data and for an in-depth discussion on Cloud Native Geospatial...

12 Geospatial Side Businesses that Could Work for You Are you looking for an opportunity to use your GIS skills outside of your 9-5? Looking to refresh your creativity...

19 Must have Geospatial Python Libraries! Python is one of the most popular programming languages for geospatial analysis, and data science in general. Its popularity comes from Python’s high-level,...

What’s a Cloud Optimized GeoTIFF Geospatial imagery data is constantly being collected by sensors which have been mounted to satellites, drones, planes, etc., and then uploaded to cloud storage....

So, you’ve got your sights set on a career in GIS. Now you’re trying to decide which school to go to, and what to study. Is it better to...

A master’s degree demonstrates advanced knowledge of a specific topic, high-level analytical skills, critical evaluation and the ability to solve complex problems and work independently. A masters will enable...

GIS offers an endless variety of potential pathways for a career, it’s more than plotting data and making maps. Employers from a wide variety of fields are seeing the...

GIS is an incredibly broad field, and the opportunities seem to only be increasing as more and more industries recognize the value. It’s more than just maps, of course....

Why You DON’T Want a Career in GIS   Think you want a career in GIS? Maybe you need to read this first. A GIS Analyst uses mapping software...

GIS provides an interesting visual method to display data. Combined with powerful analysis, health professionals can improve the management of various diseases.

  Humanitarian disasters can stem from natural or man-made origins. Regardless of the root cause they lead to mass population displacement, loss of lives and human suffering 1. A...

Remote sensing in flood management Flooding has plagued civilization forever, however increasing urbanization, population growth and economic growth is leading to greater damage 1. A number of things can...

  What is hydrology Hydrology is the study of water and the water cycle, focusing on surface water and groundwater on land. A hydrologist studies the hydrologic cycle, how...

Amazing GIS projects are always the result of work that was inspired. You don’t have to be passionate about every part of your geospatial project but if you are not really interested...

If you look back at the time when humans first decided to give up their nomadic, hunter-gatherer lifestyle in favor of settling down at one place, six distinct cradles...

The elevation of an object is it’s height above sea level. Sometimes elevation and altitude are using interchangeable, however, altitude is the vertical distance between an object and the earth’s...

This is by no means a complete list but these are some of the better web apps out there in terms of functionality and ease of use. Although they...

Mount Everest with an elevation of 8,848 meters is Earth’s highest mountain above sea level Ever taken a picture from the top of a mountain and wondered what number...

Some childhood memories just refuse to fade. And paper folding is definitely one of them. Creating a boat or an airplane from a page torn from a notebook used...

With constant advances in modern-day technology, most people will own a smartphone. One of the most commonly used apps that comes with a smartphone as standard is the navigation...