GeoGeek

GIS

Calculate the volume of a mountain or elevation in ArcGIS

Knowing the volume of a mountain, hill, volcano or any kind of elevation, the principle is based on finding the difference of two digital elevation models, the …

Sumate to map areas affected by the earthquake in Ecuador

Ecuador urgently requires the support of the GIS community, work is simple, as the first phase is required to map affected areas before the earthquake (as …

Useful things we can do with a DEM

A digital elevation model (DEM) represents the spatial and altitudinal distribution through a matrix image, without focusing on its conceptualization, but in …

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 13 bands …

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 Centre for Remote …

River profiles in QGIS

One of the most used geomorphic parameters (both directly or to derive other parameters) is the river profile. Sometimes the estimation of this parameter can …

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 remotely access and visualize using a …

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 useful to navigate using …

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, hotels, restaurants, fuel stations, tourist …

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 meters, if high resolution is not a primary …

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