Web-GIS

Display WMS Layer from GeoServer on Leaflet using Vue.js

Display WMS Layer from GeoServer on Leaflet using Vue.js

The Web Map Service (WMS) is an Open Geospatial Consortium (OGC) specification that defines an HTTP interface used to request a georeferenced map in an image format from a server. GeoServer supports WMS 1.1.1, the most widely used version of WMS, as well as WMS 1.3.0. WMS provides a standard interface for requesting a geospatial…

How to Apply Styled Layer Descriptor (SLD) in GeoServer

How to Apply Styled Layer Descriptor (SLD) in GeoServer

This tutorial will focus on outlining step by step process of applying a style on layer in GeoServer. A Style Layer Descriptor (SLD) file from QGIS will be used to style the layers. Launch QGIS and Export the Styled Layer Descriptor. Firstly, open QGIS and load the vector layer that you want to style. Apply…

How to Publish a Shapefile in GeoServer

How to Publish a Shapefile in GeoServer

This tutorial focuses on how to publish a shapefile in Geoserver assuming that GeoServer is already installed and running via the port assigned, for example, http://localhost:8080/geoserver. Data Preparation. Firstly, prepare the data that you wish to upload on GeoServer, ¬†that is the shapefile. For example, if you want to upload a shapefile for national parks,…

How To Display a Leaflet Map Using Vue JS Framework.

How To Display a Leaflet Map Using Vue JS Framework.

The development of web applications is becoming more and more complex yet requirements for the user interface to be reactive is becoming the state of the art. To ease the complexity of building web GIS applications, it is necessary to find ways which will enhance code modularization, scalability and maintenance. One of the ways to…

Most Popular Frameworks for Back-end Web-GIS Development

Most Popular Frameworks for Back-end Web-GIS Development

A lot goes on in the backend of a Web GIS application. In the backend, most of the manipulation and querying of data takes place. Therefore, it is crucial that one chooses the backend wisely. Python programing language is mostly used for the backend of a web GIS application. The main reason is because Python…

Most Popular Libraries for Front-end Web GIS Development

Most Popular Libraries for Front-end Web GIS Development

The onset of the World Wide Web has revolutionized everything around us and GIS is not an exception.  The Web GIS is an advanced type of Geographic Information Systems made available on web platforms. It operates on the Client-server architecture. A GIS server is identified by a uniform resource locator (url). It responds and gives…

GeoDjango Tutorial Guide

GeoDjango Tutorial Guide

Some months ago, I was requested to develop a written guide on web-mapping system development using GeoDjango as published on the playlist on My Channel . After great efforts, I have released a complete GeoDjango guide that serves as a written replica of the YouTube Playlist. The guide illustrates the possibilities of developing a fully-fledged…

How to tweak GeoDjango Admin

How to tweak GeoDjango Admin

In my GeoDjango tutorial series, I shared details on the development of a web-mapping solution using GeoDjango. Depending on the structure of the application and the use, Django admin is a very useful feature in this framework. There is power in the admin. In this post, I will share some tips on how to tweak…

3D Maps with Leaflet and eegeo.js

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 much fun and better. In this post, I describe a procedure to display 3D maps for your web mapping project. First, we will have a…

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…

A Web-GIS – A System for Agriculture

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 platform that I came across.Web GIS is a field in which over the last few years, has really seen the light of the day as…

A pilot Land Administration Domain Model(LADM) for Kenya

A pilot Land Administration Domain Model(LADM) for Kenya

Kenya has amassed a huge collection of records since 1902 when the colonial government put in place the Crown Land Ordinance of 1902. This law allowed alienation of native lands for the colonial masters and the alienation process involved formal registration of ownership rights. Over the years, a number of laws touching on land were…

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