• Layout design output
It has been a while I have not written article on GIS and map production. Today I thought, I should write checklist while designing maps....
  • overlay analysis
In this tutorial I will talk about the weighted sum overlay analysis in QGIS. Weighted sum overlay is usually done for the suitability analysis. It uses several weighted...
  • LIDAR application
LIDAR stands for light detection and ranging, it is an active form of remote sensing. It does not require electromagnetic radiation rather it record laser...
  • donuts vs coffee
There are tons of story telling maps in the internet, I just picked the ones that I think you guys will like it. I like...
  • 2015 point
Year 2015 Global 500 - Fortune list is published, it will be great to see how many countries are in the list. Who is fortunate this...
  • LIDAR data
Definition of LIDAR: Light Detection and Ranging (LIDAR) is active remote sensing which uses laser lights to strike features and record the reflected pulses to...
  • QGIS Tutorial Image
Table of Contents: 1. QGIS installation 2. QGIS Interface 3. Setting up Spatial Reference System 4. Adding vector data, shape files 5. Moving around map...
  • Layer Stacking and SLC correction of Landsat 7 images
Table of Contents: Using ERDAS Imagine SLC Correction: Process 1:  Layer stack Bands Process 2:  SLC correction Using QGIS 2.0 SLC Correction: Process 1:  Layer stack/merge...
  • Calculating the Vegetation Indices
Table of Contents: Step 1: Calculating Reflectance value from the Satellite data Step 2: Correcting the Reflectance value with sun angle Step 3: Calculating NDVI...
  • bacis of photogrammetry
1. Introduction to Photogrammetry 1.1 History of Photogrammetry 1.2 Development Cycles of the Photogrammetry 1.3 Application of Photogrammetry 1.4 Types of Photogrammetry 2. Data Acquisition...