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Accuracy Assessment in Image Classification on GEE

Accuracy Assessment in Image Classification on GEE

This post covers accuracy assessment on a sentinel image in the Google Earth Engine. Selection of the area of interest and the classification classes This is done using the geometry tool as shown below. One can use the point tool or the polygon tool in the selection of the classes. Selection of the Image collection…

Computation of NDVI using Google Earth Engine

Computation of NDVI using Google Earth Engine

Normalized Difference Vegetation Index (NDVI) is a spectral index used to quantify the greenness of vegetation. It is used to monitor the health of plants and understand vegetation density. Calculating NDVI is done using two bands: the red band and the near-infrared band. This computation can be easily adapted using the Google earth engine. This…

How to tweak GeoDjango Admin

How to tweak GeoDjango Admin

In my GeoDjango tutorial series, I shared details on the development of a web-mapping solution using GeoDjango. Depending on the structure of the application and the use, Django admin is a very useful feature in this framework. There is power in the admin. In this post, I will share some tips on how to tweak…

3D Maps with Leaflet and eegeo.js

3D Maps with Leaflet and eegeo.js

We like maps and will continue like them more. Every day, there are changes in the libraries used for mapping. With most maps being 2D, exploring 3D maps is so much fun and better. In this post, I describe a procedure to display 3D maps for your web mapping project. First, we will have a…

A Web-GIS – A System for Agriculture

A Web-GIS – A System for Agriculture

Its quite some time since I talked about web GIS development on this blog.In the last one year,I have had a great time exploring different mapping platforms and testing any platform that I came across.Web GIS is a field in which over the last few years, has really seen the light of the day as…