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GeoExt, ExtJS, OpenLayers and GeoJSON

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 a front-end application with data being in GeoJSON format. A video about the application uploaded on YouTube : The application can be accessed at Weather…

Easing traffic in Nairobi City

Easing traffic in Nairobi City

The completion of the major routes  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 was due to the eased access to different destinations in town and thus the population saw the need  for personal vehicles leading to mushrooming of…

Important Python Libraries for Geospatial

Important Python Libraries for Geospatial

Today, I take a look at the Python Libraries useful when dealing with Geospatial Data. The most popular GIS; QGIS and ArcGIS are developed on Python thus giving us the power to extend their tools to suit our needs in the organization. For Instance, QGIS offers the “Plugin Builder” tool that is focused on personal…

The amazing sections in QGIS

The amazing sections in QGIS

Recently, I posted a photo here about the styling effects found in QGIS for vector layers.This quite caught many eyes into the issue of the awesomeness found in QGIS and today, I want to explore some of this awesomeness.First, I will start with the issue mentioned above; Draw effects in style section Often, we do…

3D visualization of Data in QGIS

3D visualization of Data in QGIS

Well, this is a topic that I have always wanted to write about but have been a little bit reluctant.I think this has been attributed to the fact that I didn’t find people who wanted to use this feature.Last week, I found someone who really wanted this in their project.Here is the thing, if you…