Geospatial analysis has been increasing significantly in the recent couple of years. Analyzing large datasets has been a new norm for geospatial processing. Just around 10 years ago, the geospatial sector is hugely dependent on licensed software. There are seeds of new applications, such as QGIS, which started to be…

ILWIS stands for The Integrated Land and Water Information System, a software that focuses itself on raster-based analysis. It is initially proprietary software, but it started to be open-source software in 2007. It has GIS and remote sensing power analysis to process vectors and rasters at the same time. This…

A global dataset for earthquakes has been made globally available by USGS. Here are the steps to download the dataset and display it based on your necessity. Open https://earthquake.usgs.gov/ and click “Search Earthquake Catalogue” 2. Fill in the tab query based on your needs In this example, I just chose…

There are two software that is commonly used for aerial data processing, which are PIX4Dmapper and Agisoft. PIX4Dmapper is the software that is easy to use, intuitive, and a very common-to-use for drone application. The increasing number of the dataset acquired from drone makes it relevant to use the software…

The usage of Unmanned Aerial Photography (UAV) as a platform for multiple image collection is on the rise. Those recorded image contains tons of information. The information can be used for multiple purpose in different sectors, such as agriculture, disaster, forestry and many more. In optimizing the usage of the…

ASTER is a satellite image that contains the Digital Elevation Model (DEM) information. ASTER stands for Advanced Spaceborne Thermal Emission and Reflection Radiometer. It has 15–90 square meters spatial resolution. …

Many times we want to download the building footprints from one area. One of the options is the layer from Open Street Maps. Even thought not all areas are covered/has many building footprints, but it can be one of the way to collect data from openly sourced data. Here are…

Panoply is a graphical visualization tool which is able to produce two dimensional plots of geographically referenced data. Panoply is a cross-platform application that runs on Macintosh, Windows, Linux and other desktop computers. Panoply is created by National Aeronautics and Space Administration (NASA). Generally, Panoply can: Plot longitude-latitude arrays as…

In quantifying the risk, there are multiple approach that can be used. One of the methodology is using a Preliminary Risk Assessment. I would like to share one of the methodology that is used by AHA Center to determine the cities that are at ‘most-risk’ in the ASEAN region. The…