Beni RAHARJO

In studying earth’s surface modelling, we often heard terms of Digital Terrain Model (DTM), Digital Elevation Model (DEM), Digital Height Model (DHM) and Digital Terrain Elevation Height Model (DTEM). What are the differences among them?

One of the most powerful features in ER Mapper comparing to other image analysis software is its ability to create (and manage) ECW compressed image. It has a pyramid image storing concept which will quickly shown the image even we display the whole image covering let say 9 Landsat images.
I am managing to create gap-filled [...]

Ermapper dataset format (ERS) is one of the most beautiful formats to store our raster dataset. One of its sophisticated features is its ability to put all raster bands in only two file (one set). This article shows how to create ERMapper dataset format contains 6 Bands of Landsat-7 ETM+.

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After considering many choice for my personal online library, Wordpress is my choice. It’s best SEO/SEF is the main reason why I use Wordpress for this purpose. You may visit my personal library here (http://www.lib.raharjo.org). I heard there is a development out there to hack Wordpress into powerfull Library CMS. I decided to use original [...]

On previous post, I described a method to download Landsat 7 images for free from WIST website. It is a comprehensive images warehouse indeed. We can do search many images, not only Landsat, on WIST website. In this post, I want to discuss how to download Landsat images on EarthExplorer website.

Free is a kind of magic word which everyone want to have if possible. Having GIS data for free is also one of main hunting activities of GIS users worldwide. What about Landsat Images for free? Beside of SRTM data for free, Landsat images for free is one of data barrier breakthrough. Almost all GIS [...]

I have received a very important dataset of Forest Management Unit (KPH) of South Kalimantan. It has been requested by Sustainable Development of the Wood-Based Industries in South Kalimantan Project (itto-pd397) to Forestry Department. There are many digital versions of KPH boundary. Therefore ITTO-PD397 considered it was very important to clarify which data is used [...]