All posts by: admin

Almost 70 percentage of the earth surface is covered by the vegetation and it is the first to encounter the energy (sun). Vegetation is important...
  • 3d image
  In GIS world 3D means that has X, Y and Z coordinates. Z coordinate is used to draw height. 3D map helps better understanding...
  • 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 word 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...