Leaflet.Windbarbs – Basic tutorial
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Hi there! This is a basic tutorial for using my leaflet.windbarbs plugin. The aim of this plugin is to show the direction of the wind and the wind speed using a internationally recognized symbology.   Firstly, you should download the … Read More

Postgres / PostGIS – Of Rasters and GeoJSONs
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Over the past few weeks I have been looking into Neo4j Spatial and PostGIS, the spatial plugin for Postgres. The starting point was, that I needed to store and access naturally tessellated tiles or cells, each with an extent of … Read More

Basic Leaflet Map with D3 Overlay
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In this example, you will see how to create a basic Leaflet map with D3 overlay. These layers are added with the Queue.js framework and are in GeoJSON format. Because I have commented the source code pretty thoroughly, I will … Read More

Basic Leaflet Map with Overlaying Polygons
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In this example, you will see how to create a basic Leaflet map with additional layers. These layers are added with the Queue.js framework and are in GeoJSON format. Because I have commented the source code pretty thoroughly, I will … Read More

Basic Leaflet Map with Markers
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The first step in any project is to define what we want and how to display something and what frameworks are already around to ease the proccess. We want to create a map and add a few markers, so we … Read More