Author Archives: Akshay Upadhyay

About Akshay Upadhyay

Owner and Director of a Private Limited company which serves individual to large scale industries in the field of Maps and GIS. He is a Gold Medalist in M.Tech(Spatial Information Technology) and owns some famous Technology blogs and website… Know more

Create Heat map showing average household income – leaflet js GIS

First of all we must know what heat map is? A Heat Map is a way of representing the density or intensity value of point data by assigning a colour gradient to a raster where the cell colour is based…
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Read Parse Render TopoJSON file – Leaflet js

This article shows how to render topojson file data on OSM map with the help of d3 and Leaflet javascript library in the browser. Leaflet js is an open source small library to create interactive map. You may look over…
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Add different base map layers using leaflet js

Leaflet is  small open source Javascript library to create a customised mapping solution. Leaflet plugin supports many types of map layer. In this article we have map layers as Google map, Open street map, Stamen map, Here map and Bing…
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Convert Shapefile to TopoJSON file

Convert Shapefile to TopoJSON ESRI shapefile are the binary 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. Whereas TopoJSON (topological…
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Convert GeoJSON to TopoJSON – GIS

Convert GeoJSON to TopoJSON. GeoJSON is an open standard format designed for representing simple geographical features, along with their non-spatial attributes, based on JavaScript Object Notation. The need of conversion is to reduce the size of data, so that rendering…
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Geographic Information System (GIS) for Hospital Industry – How, When and Uses

GIS (Geographic Information System) for Hospital Industry. ‘Health is wealth’, this quote is the truth. One can have everything with wealth but not health. One has to do so much to keep the health with them. But at some point…
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GIS for Agriculture – When and Why

Agriculture plays a very vital role in everyone’s life. For few agriculture is not the only way of having food in their plate, rather a source of income. We get food from agriculture, one can not imagine his life without…
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