Install QGIS 3.4 in Ubuntu 16.04

The month of October, 2018, ushered in the new LTR, QGIS 3.4 “Madeira”. This was a long-awaited version as it unleashes powerful tools for use by GIS enthusiasts in the…

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Adding triggers to SpatiaLite Databases in QGIS

There exist various data management methods in QGIS. A data source can be a file, a directory, a protocol or a database. SpatiaLite is database that is widely used in…

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Using Photos in QGIS Projects

In QGIS, there are many formats of data-sets that can be used. Joins and relates help users get the best out of their data depending on the users’ needs. These…

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SpatiaLite Databases for Community Mapping

All Geospatial projects contain an element of data collection and preparation. This is vital stage in project execution that has to be dealt with carefully and correctly as it would…

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How GIS influenced my life

It was in 2010, when I received my KCSE results for the 2009 exam. Having passed the exam, I was to join campus a year later. Born and raised in…

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filter-data-leaflet

Filter Data into separate layers in Leaflet

Data loaded in Leaflet as a layer can be filtered on the fly to create separate layers that meet a certain criteria. This is very helpful when handling data that…

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eegeojs

3D Maps with Leaflet and eegeo.js

We like maps and will continue like them more. Every day, there are changes in the libraries used for mapping. With most maps being 2D, exploring 3D maps is so…

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GeoExt, ExtJS, OpenLayers and GeoJSON

Hello guys, some time ago I did a sample application on GeoExt, ExtJS, OpenLayers and GeoJSON to manage data from a number of weather stations in the country. This is…

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GeoDjango Tutorial Series

GeoDjango is Django module used for developing GIS web applications. Django is Python framework for web development. Using the Spatial databases, data analytics, using Geospatial libraries can all be handled…

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Filtering data from PostGIS database in QGIS

Hello, Today, I wanted to share a very short article with you regarding spatial data queries in QGIS from a PostGIS database. This is an approach widely used by developers,…

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A Web-GIS – A System for Agriculture

Its quite some time since I talked about web GIS development on this blog.In the last one year,I have had a great time exploring different mapping platforms and testing any…

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Easing traffic in Nairobi City

The completion of the major routesĀ  and highways such as the Thika Superhighway in February 2012 has seen a tremendous increase in traffic in and out of the capital, Nairobi.This…

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