Ahasanul Hoque

Ahasanul Hoque

Lives in Bangladesh
Ahasanul Hoque

Monthly Archives / April 2017

Bangladesh Map Projection Systems with Parameters

April 23, 2017 | Geospatial & Environmental Job | by aHaSaN

Bangladesh’s longitude is from about 88º East to about 92º East. As UTM uses 6º band on longitude to divide the earth into zones, Bangladesh falls into two different UTM zones: Zone 45 N (West of 90º E) and Zone 46 N (East of 90º E). However, the parameter values that characterize a UTM zone […]


April 22, 2017 | GeoTechnology | by aHaSaN

A datum defines the reference spheroid (or ellipsoid) used to describe a portion of the earth. In Bangladesh, the Everest spheroid has historically been used in all projections. However, there are various Everest datums and there is a great deal of confusion about which to use. To date it has not been possible to completely […]

Universal Transverse Mercator (UTM) Projection System

April 22, 2017 | GeoTechnology | by aHaSaN

As the name suggests, the Universal Transverse Mercator projection is based on the cylindrical Transverse Mercator projection. The cylinder in the Transverse Mercator projection is tangent along a meridian (line of longitude) or it is secant, in which case it cuts through the earth at two standard meridians. In the UTM projection the transverse cylinder […]

A Brief on Map Projection

April 22, 2017 | GeoTechnology | by aHaSaN

Over the centuries, many different ways of representing the round Earth on flat paper have been developed. Each of these methods is referred to as a map projection. What does it mean to project something? Have you ever been to the movie theatre? How does the movie get on the movie screen? The image you […]

OSM Based Android Apps for Mapping

April 22, 2017 | GeoTechnology, OpenStreetMap(OSM) | by aHaSaN

Though there are a significant numbr of apps are available for tracking, routing, navigation, POI saving but OpenStreetMap based are more useful than others interms of licene, freedom and customization. Below are a short detail of few OSM based mapping app for android  OSM Tracker One of the key apps, is something that can track […]