All posts by: admin

  • Free Satellite Data
  Landsat Data: One of the most popular free satellite data is Landsat data. By the effort from NASA and USGS, Landsat 1 was lunched...
  • DEM data
Digital Elevation Model (DEM) is a raster image that holds z values, it is used widely during the analysis process where surface height value are...
  • Landsat Application
1. Africa Content Environmental Change: Landsat data was heavily used to create Africa Environmental change Atlas Map that includes map of  glacier melting, loss of...
  • SAGA GIS georefrencing
Google Earth is a popular software to view world satellite image, sometime you might want to add it's image into the SAGA GIS software and...
  • Remote Sensing Applications
Satellites have played a huge role in development of many technologies such as world mapping, GPS, etc. However, their applications are not limited as imaging...
  • python arcgis
Python scripting has become popular with the ArcGIS software. ArcGIS adopted it after version 9.0. Python script can be used in many parts within ArcGIS;...
  • google and bing
I wrote a tutorial about how to do geocoding with Microsoft Excel and Google Maps but saw few comments about the limitation which is 2500...
  • Thematic Map of the Forbes Global 2000 Company for the Year 2016
It was again great to see new Global 2000 list for the Year 2016. Lot of changes happened esp big 6 countries, again China and the USA...
  • No coding required
There are different codes available in internet for counting GIS files but the method I am going to demonstrate you is simple and does not...
  • Hyperspectral image
Multi spectral images like Landsat thematic Mapper and SPOT XS produce few broad wavelength bands but the hyperspectral image sensor will produce narrower wavelength bands....