Category Archives: Digital Mapping

Creation of SITE History from Planning Application Polygons using QGIS

In planning it is important to know the planning history on a site. The status and likelihood of approved permission will often relate to previous permissions. Many council planning systems do not specifically relate planning applications to each other and … Continue reading

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QGIS 2.8.1 – Useful Functions and Operators – Field Calculator

Calculate eastings and northings of centroid within polygon layer xmin(centroid($geometry)) ymin(centroid($geometry)) Calculate area and perimeter of a polygon layer $area $perimeter Calculate eastings and northings of a point layer $x $y Calculate the length of a line layer $length Capitalise … Continue reading

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Introduction to Basic Printing QGIS 2.2

Creating maps that you can pass on to others is often a central and regular requirement if not in paper format then in a digital format that can be e-mailed or printed out. Here’s a quick reference for myself as … Continue reading

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QGIS – Free GREAT Digital Mapping Software

A map showing winds over the Atlantic Looking for a desktop digital mapping package? You really need to check out QGIS it is an absolutely excellent open source geographical information system. At the time of writing the latest version was … Continue reading

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VBA Function Collection for converting Eastings and Northings to Latitude and Longitude

Some years back we hired a young lad by the name of Iain Brodie on a temporary contract – The week before I had been at an ESRI conference which had extensively discussed Web Mapping and  a speaker had demonstrated … Continue reading

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