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Remote Sensing and GIS technology was applied by Radhakrishnan, Erni, and Kumar (2014) to the city of Tiruchirappalli, India in order to analyze urban sprawl patterns occurring between the years of 1998 and 2009, and predict future sprawl patterns. Imagery and data collected to demonstrate...

Ok, with a little help from Bradley Chambers on the PDAL*mailing list, we are back in business. If we want to filter our newly calculated heights into a new PDAL output, we can do that easily, say all points 100-500 above ground level: pdal translate 54001640PAN_heightasz.bpf...

For 2016 I have a few goals. *One of those goals was to contribute to OpenStreetMap more often. *To get the year started off right I decided to contribute to*OpenStreetMap (almost) everyday for the month of January. I haven’t taken on a big project in OpenStreetMap project in a couple years. In...

OpenStreetMap – the “wikipedia of mapping”, launched in July 2004 is slowly becoming*the mainstream map data platform behind many mobile apps and websites. (Related: Why would you use OpenStreetMap if there is Google maps). But then, how much has OSM really grown over the years? How much has...

Meanwhile, and speaking of georectified map viewers, a project to create a multi-layered online map of London, with maps from*the 17th century onward*georectified and available through a single interface, has received development funding from the Heritage Lottery. Work on*Layers of London, as it...

The National Library of Scotland has an online map viewer that overlays georeferenced old maps atop a modern we map interface (Bing, I believe). Among my crowd, it’s the various 19th-century*Ordnance Survey maps of London that generate the most excitement, though there are plenty of other...

As the number of drones around the world is growing fast, law enforcement agencies started to seriously look at risks related to millions of these devices flying over our heads. The risk might be related to drone crushing in a crowded place, but we can also imagine a scenario where drones are...

You may have heard recently about something calld ArcGIS Earth. If not I’m sure you will be hearing lots more in the very near future, particularly as the Esri conference season kicks off this month. Simply put, ArcGIS Earth is Esri’s response to Google Earth! With “Earth”, users can explore any...

Owing to this long history of internal migration, the population distribution of the Philippines has become somewhat more even. Mindanao is no longer a frontier zone, and is now moderately populated by Philippine standards This post is from GeoCurrents أكثر...

The Normalized Difference Vegetation Index (NDVI) is a numerical indicator that uses the visible and near-infrared bands of the electromagnetic spectrum, and is adopted to analyze remote sensing measurements and assess whether the target being observed contains live green vegetation or not...

This tutorial by Ardit Sulce guides users through how to create a web map using QGIS. The post A Web Mapping Tutorial for Beginners appeared first on GIS Lounge. أكثر...

Here are a few free online tutorials for learning how to work with and create maps using US Census data. The post Working with Census Data and Mapping Tutorials appeared first on GIS Lounge. أكثر...

National Geospatial Advisory Committee (NGAC) recently released an update to its original 2009 report about the Changing Geospatial Landscape. *From the report: In 2009, the NGAC produced a report titled The Changing Geospatial Landscape. As noted in the preface to that report, during its first...

This concept paper on the automatic acquisition of 3D city models was written by Venugopalan Nair who is the Senior Manager of Geo Spatial Services at SBL. The post Automatic Acquisition of 3D City Models appeared first on GIS Lounge. أكثر...

The Wildlife Inventory and Land Management Application (WILMA) is a web-based application allowing habitat managers to map, track, and report various land management activities on Game Production and Water Access Areas in South Dakota. The post South Dakota’s Custom Enterprise System to...

A recently released book by Tripp Corbin teaches readers how to use ArcGIS Pro, Esri's latest iteration of its GIS desktop application. The post Learning ArcGIS Pro Book appeared first on GIS Lounge. أكثر...

Researchers have developed a gravity map used to see the sea floor based on Earth’s gravitational field. The post Seafloor Mapped Using Measurements of the Earth’s Gravity Field appeared first on GIS Lounge. أكثر...

A recently released report by the European Commission's Joint Research Centre focuses on analyzing how repositories of open source aerial and satellite imagery can be used to help monitor nuclear activity. The post The Role of Open Source Imagery in Monitoring Nuclear Activity appeared first...

Built compact enough to fit onto a minisatellite, this antenna successfully tracked Automatic Identification System (AIS) signals emitted from commercial sea vessels during a test run abroad the International Space Station in 2010. The post This Antenna Helps Tracks Ships from Space appeared...

Explore any part of the world with ArcGIS Earth. Work with a variety of 3D and 2D map data formats … including KML. Display data, sketch placemarks, measure distances and areas, and add annotations. ArcGIS Earth has everything you need to easily understand spatial information so you get the...