Video – How Were Geodetic Datums Established?
In this video, we explore the history of geodetic datums in the United States, and how they were established at […]
Video – Best Practices for Minimizing Errors during GNSS Data Collection
Aimed at surveyors and GIS professionals who use geodetic-quality GNSS equipment to determine positions for land planning, coastal monitoring and
Video – What are Geodetic Datums?
In this video we explain the basic concepts behind geodetic datums, where they are used, and why it is important
Video – Coordinate System Jargon: geoid, datum, projection
The road to choosing custom projections is not paved with sundrops and lilies. It is time to start learning the
Download satellite images of Sentinel 2A
Satellite Sentinel feed with abundant data and images to Copernicus, the European Commission program, carry a multispectral high-resolution camera of
Fundamentals of Remote Sensing Tutorial PDF
Fundamentals of Remote Sensing Tutorial, is available for free by The Canada Centre for Mapping and Earth Observation (formerly Canada
River profiles in QGIS
One of the most used geomorphic parameters (both directly or to derive other parameters) is the river profile. Sometimes the
How to add a WMS in QGIS
When working with cartography, often you cannot have all the information you need stored in your device, instead you can
How to transfer layers to GPS Garmin
The portable GPS devices are very helpful during field work given their increasingly capabilities and new functions. Sometimes it is
Download maps and upload to Garmin GPS
Visit the streets of anywhere in the world on your Garmin GPS with detailed maps of routes, points of interest,
How to generalize or simplify points
In an area of 125 square kilometers with about 2000 sampling points distributed at a density between 10 to 500