Orfeo Toolbox (OTB): A powerful open source box for RS applications

Orfeo ToolBox (OTB) is an open source project for state-of-the-art remote sensing. Built on the shoulders of the open-source geospatial community, it can process high resolution optical, multispectral and radar images at the terabyte scale. A wide variety of applications are available: from ortho-rectification or pansharpening, all the way to classification, SAR processing, and much … More Orfeo Toolbox (OTB): A powerful open source box for RS applications

NDVI Python Script

After the “What is NDVI?” post I decided to create a Python Script for NDVI. This script works with a *.tif NIR band and a *.tif RED band and gives as output a new NDVI image in *.tif format. To run this script, it’s important the name of the RED band to be “red.tif“, the name of … More NDVI Python Script

What is NDVI?

NDVI or Normalized Difference Vegetation Index is a simple graphical indicator that can be used to analyze remote sensing measurements, typically but not necessarily from a space platform, and assess whether the target being observed contains live green vegetation or not. NDVI maps are being used in agriculture (precision agriculture), forestry, ecology and more. Healthy vegetation (or chlorophyll) … More What is NDVI?

Time Zones..

A time zone is a region that observes a uniform standard time for legal, commercial, and social purposes. Time zones tend to follow the boundaries of countries and their subdivisions because it is convenient for areas in close commercial or other communication to keep the same time. Most of the time zones on land are … More Time Zones..

30 Years with GRASS GIS!!

GRASS GIS, commonly referred to as GRASS (Geographic Resources Analysis Support System), is a free and open source Geographic Information System (GIS) software suite used for geospatial data management and analysis, image processing, graphics and maps production, spatial modeling, and visualization. GRASS GIS is currently used in academic and commercial settings around the world, as … More 30 Years with GRASS GIS!!