Geospatial Data in Support of 3D Cadastre

Zooming in on Recent Technical Developments
The urbanization trend is leading to an increasing number of people living in cities, thus also placing new demands on cadastral registration. To be able to register the complex infrastructures and built-up areas properly, the cadastre will need to consider the third spatial dimension. The 3D cadastre is based on 3D parcels (spatial units) which are single volumes (or multiple volumes) of space. Although the technology offers numerous possibilities for implementation of the 3D cadastre, there are still some open issues, as this article explains. We live in a three-dimensional world. Over the past decades, there have been an increasing... (read more)
2019-09-11 11:15:15

Connecting Citizens - Smart Cities and Communities 2017

The concept of smart cities is not always understood. Richard Groom reports from a conference on the topic and tries to make sense of the idea and what it can do for communities and citizens. 2017 seemed to be the year of the Smart City and the second conference in as many months took place in London, UK on 9 November. Smart Cities and Communities: Connecting Citizens seemed rather more relevant than the Smart Summit, reported in GW Nov/Dec. At least it certainly started on the right path, ably guided by the chairman Joe Dignan from consultancy, Kintechi Ltd. The... (read more)
2018-01-15 10:50:02

The Way Forward with the Geospatial Commission

By the time you read this, we will be into the 2018/19 evening lecture sessions. These evening events are a real fulcrum of interaction, geospatial market insight, outreach and a coming together of professionals from across our sectors. In many ways a display of RICS ‘soft’ power, the power to influence. The first two lectures feature the national and international focus of RICS Geomatics. William Priest from the Geospatial Commission gave the first lecture in October and Clarissa Augustinus ex-head of UN Habitat GLTN will give the second lecture on 29 November. Clarissa's lecture is previewed in this issue of... (read more)
2018-11-08 12:23:34

UK is a Leader in Heritage Mapping

The mapping of historical cultural features, which we will call heritage mapping, is mainly based on photogrammetric methods. Mapping for this purpose has been going on for many years using a great variety of techniques. There are also many applications from conservation and archaeology to museums and public understanding. Early Developments The use of photogrammetry for recording buildings was introduced during the late 19th century by the German civil engineer and architect Albrecht Meydenbauer, and techniques and applications have been developing and extending ever since. In the United Kingdom, the Royal Commission on the Historical Monuments of England (RCHME) was a government... (read more)
2019-05-30 04:22:17

Collaborative by Design - Autodesk University 2014

Autodesk’s annual conference was held last December amid the distractions of Las Vegas. Attracting over 10,000 attendees, the event underscored the company’s drive into consumer sectors as well as BIM, reports Adam P. Spring. Autodesk University 2014 was housed at the Mandalay Bay in Las Vegas and was an event where decisions based around market repositioning started to take shape. It was also an event based on collaboration and a shrinking of the divide between industries once seen as separate from one another. For instance, entertainment driven solutions are now playing a key role in infrastructure and asset management software. ... (read more)
2017-07-20 12:46:25

Hydrographers Search for Savings - Ocean Business 2015

Ocean Business took place between 14-16 April at the National Oceanographic Centre in Southampton. There were over 300 exhibitors in two giant marquees, a three-day schedule of training and demonstration sessions and the Offshore Survey 15 Conference. Richard Groom reports for GW. The main event attracts fringe activities which this year included a Blue Economy Day jointly led by FIG and IHO, and a Maritime Autonomous Systems workshop which was held at the NOC’s new Marine Autonomous Robotic Systems Innovation Centre. Ocean Careers was another parallel event at which practising hydrographic surveyors gave students their insights into the industry and... (read more)
2017-07-19 05:44:07

Students Scan the Past to Preserve the Future

Dr Pascal Sirguey had waited two years for this day and took a few final minutes to savour the moment. It was a sunny morning in early 2017, and students, historians and scholars had gathered in Arras, France, to attend the remembrance ceremony of the Battle of Arras in World War I. While 1918 marked the official end of World War I, the commemoration paid tribute to the little-known yet significant contribution of New Zealand to the war efforts in helping win the legendary battle. Sirguey’s efforts would document one more chapter in the Great War as its centenary approached.... (read more)
2019-05-30 12:52:19

The Evolution of Lidar

Ron Roth of Leica Geosystems and Marcos Sirota of Sigma Space Corp explain how this technology will bring benefits through faster pulse rates and denser point clouds. Current airborne Lidar systems, such as the Leica ALS series, capture one million points per second. Increasing the pulse repetition rate is the best way to achieve dense point clouds at lower costs, as the flying speed can be increased. However, the pulse frequency is constrained by parameters such as energy consumption and eye safety. Single photon Lidar enables a much higher pulse rate to be achieved, since much less energy is needed... (read more)
2017-04-28 05:51:12

Geometry and the Sagrada Familia - A Client In No Hurry

Nothing quite prepares you for the first view of the Sagrada Familia. It is every bit as startling as the Grand Canyon. You emerge from the efficient Barcelona Metro system, turn around and there it is; this extraordinary concoction in stone and concrete, unlike any similar building you’ve ever seen. It is truly jaw-dropping. I saw a tourist emerge look up and stay frozen on the spot for several minutes taking it all in. I did much the same. Pinnacles and towers soar to the sky to be surmounted by baskets of coloured fruit, nuts and vegetables. Although redolent in... (read more)
2017-07-19 02:35:39

European Datum 1950 - A History

The European datum of 1950 (ED50) is the first common datum developed for the European Continent. It remains the de facto datum used in offshore operations in the North Sea and has legal status in the determination of some international borders in that sea. This article explores the history of ED50 to understand how it became the first European-wide datum. Prior to World War Two (WW2) Europe was divided into independent national and sub-national geodetic datums. Nearly every country and their provinces had their own triangulation networks and ellipsoids that only sometimes connected. With the establishment of the Nazi Party... (read more)
2018-09-07 12:06:13
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