Ahasanul Hoque

Ahasanul Hoque

Lives in Bangladesh
Ahasanul Hoque

Posts Categorized / Blog

Chikungunya Map: Areas at Higher Risk in Dhaka

Chikungunya is a mosquito-borne viral disease first described during an outbreak in southern Tanzania in 1952. It is an RNA virus that belongs to the alphavirus genus of the family Togaviridae. The name “chikungunya” derives from a word in the Kimakonde language, meaning “to become contorted”, and describes the stooped appearance of sufferers with joint […]

Cyclone Mora : Probable Impact Areas in Bangladesh

Potential storm surge flooding from Tropical Cyclone Mora in southeast Bangladesh indicated by aqua-colored arrows.  (Google Maps) According to satellite imagery, Mora’s maximum surface sustained winds were about 83 km/h (52 mph) with gusts to 102 km/h (63 mph). The estimated central pressure was about 992 hPa. The system is likely to intensify further into a Severe […]

Urban Damage Assessment from High Resolution Images using OSM MASK and Neural Network

A complete methodology has been given by Dariia Gordiiuk of Earth Observatory Systems(EOS) Data Analytics for detecting urban damages Applying Neural Network and Local Laplace Filter and OSM masking Methods to Very High Resolution Satellite Imagery. Hope it will help a lot the geospatial analysts. Since the beginning of the human species, we have been […]

Enjoy Tracing Your Area Using Super Resolution DG Image!!!

May 10, 2017 | Geospatial & Environmental Job | by aHaSaN

OpenStreetMap has the several million contributors and obvious that it gonna get higher in near future too. Everyday more and more features are being added allover the world what making OSM more special. Accurate, high-resolution and up-to-date satellite imagery is an essential component for improving this continuously evolving map of our planet – whether it is […]

Download OpenStreetMap Shapefiles

May 10, 2017 | Geospatial & Environmental Job | by aHaSaN

Open Street Map – is free editable and community driven dynamic spatial data portal supporting to almost all disaster responses, community services and many more use cases. A growing collection of shapefile map downloads by continent, region and country. These maps are community edited and are not always complete. There are various portal what support open […]

Download Free Shapefiles

May 10, 2017 | Geospatial & Environmental Job | by aHaSaN

Shapefile is one of the most common and extensively use vector file format of GIS (Geographical Information System), developed by ESRI as an open Specification, which consist of collection of files viz .shp, .shx and .dbf extension with same prefix name. You might be hunting to Download free shapefile for completing either your small industrial work […]

Understand the Shapefile !!!

May 10, 2017 | Geospatial & Environmental Job | by aHaSaN

A shapefile is an Esri vector data storage format for storing the location, shape, and attributes of geographic features. It is stored as a set of related files and contains one feature class. Shapefiles often contain large features with a lot of associated data and historically have been used in GIS desktop applications such as […]

Download Opensource PortableGIS 5.6 !!

May 9, 2017 | Geospatial & Environmental Job | by aHaSaN

The Opensource PortableGIS 5.6 has been released recently ! This version (v5.6) has the following changes: QGIS 2.14.1 LTR By popular demand: Geoserver 2.8 Older versions are still available but have been archived to avoid confusion.  For reporting any issue contact via the Portable GIS google group. You can download the setup exe and the md5 checksum here […]

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 […]

DATUM for BANGLADESH

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 […]

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