Multi-dimensional Cadastre: 3D and 4D

3D Data for Environmentally and Energetically Relevant Topics
In recent years, Germany's national mapping and cadastre information systems have become increasingly focused on demands for multidimensional applications, e.g. environmental protection, planning, energy supply and disaster management. The basic request of coverage and actuality was previously defined for the third dimension. In 2009, the Surveying Authorities of the States of the Federal Republic of Germany (AdV) arrived at the following decision: “The collection, data modelling and quality management of buildings for geotopographical surveying and for the cadastre are main tasks of the official German cadastre. This also includes the third dimension.” The fourth dimension (time) is now an integral component of the... (read more)
2015-12-03 11:32:42

Laser Scanning in Deformation Measurements

Acquiring 3D Spatial Data of Bridges
State-of-the-art geodetic and remote sensing techniques can prove their potential through particular engineering applications. Here we discuss load test measurements of bridges over the Danube. Prior to the particular bridge surveying projects, accuracy analysis was carried out in the laboratory. We describe the shortcomings and limitations of remote sensing and propose the joint application of traditional and remote sensing technologies. We also provide recommendations for further applications of laser scanning in deformation measurement of structures. View Larger Map Terrestrial laser scanning is a state-of-the-art remote sensing technology that can rapidly acquire accurate three-dimensional (3D) spatial data. The primary engineering applications... (read more)
2009-03-03 12:00:00

From Crisis to Change

GIM International Interviews Willi Zimmermann
Land degradation, violent disputes, resource piracy and misuse of power are just some of the challenges faced by more than forty countries in a world where resources are in scarce supply. When we approached world-renowned land governance expert Willi Zimmermann for this interview he humbly introduced himself as a land surveyor who facilitates the protection of land rights. But Zimmermann has had a long career as a specialist in land management, the process of sustainably managing the use and development of urban and rural land resources. He outlined for us the extent of the current global land predicament. Could you... (read more)
2010-04-08 02:40:42

Global Spatial Data Model

The Digital Revolution - Whither Now?
Traditional horizontal and vertical datum have two separate origins: respectively Earth’s centre of mass as origin for horizontal, and mean sea level (the geoid) as origin for vertical. The author suggests an alternative option for spatial-data users: a Global Spatial Data Model (GSDM) that has a single origin for geospatial data. With the advent of computers, electronic files and modern measuring systems, geospatial data is now digital and 3D. In years past, an analogue map stored in a flat file was typically both the end-product of a survey and the storage medium for geospatial information. Now spatial data is stored... (read more)
2006-09-21 12:00:00

Let’s Make the World a Better Place with Maps

GIM International interviews Menno-Jan Kraak
Menno-Jan Kraak is the newly elected president of the International Cartographic Association (ICA). Cartographer Kraak is a professor in Geovisual Analytics and Cartography at the University of Twente, ITC in The Netherlands, and is a long-standing and active member of the organisation he now heads up. Over the next four years, Kraak will shape the policy of the ICA, striving to make further progress on the steps taken by his predecessor Georg Gartner while naturally also introducing some ideas of his own. His goal is to make the world a better place through maps. He recently shared his thoughts with... (read more)
2016-05-04 10:53:12

A Truly Photogrammetric UAV

AviSystem/Taxus SI
The AviSystem UAV was made on the assumption that it was intended to be a photogrammetric system. Hence, when designing the AVI, it was created for long, stable, precise and efficient flying – photogrammetric flying. AVI right before take-off. The Polish company Taxus SI Ltd. embarked on the AviSystem project in 2009 with support from the European Regional Development Fund. Poland’s best specialists in the field of unmanned aircraft construction were invited to join the project. Design of the entire system, of which the main element is the AVI drone, was completed within two years. The AVI is an electrically... (read more)
2013-04-12 12:38:21

Geomatics Education in Australia

Developments in Geomatics Education (7)
Surveying/geomatics education programmes for the training of professional surveyors in Australia were introduced in each state in the second half of the twentieth century, replacing an articled pupil system that had operated for more than a century. There are currently about 1,100 equivalent full-time undergraduate geomatics students in the eight four-year geomatics programmes, with approximately two hundred graduating each year. The preferred optimum would be twice that number. Reduced government funding and declining enrolment on geomatics courses have put education institutions under increased pressure to rationalise their programmes, resulting in reduced staff numbers and, in some cases, closures. Formal programmes... (read more)
2007-06-14 12:00:00

Web GIS Improves Lidar Collection Response Time

The LMAP Initiative
The remarkable capabilities of airborne Lidar continue to improve, with scanners now able to emit more than a million pulses every second. Although it has never been easier to acquire high-quality laser data, storing and managing the huge volume of Lidar data collected can prove to be a challenge. Combined with associated metadata such as survey information, environmental conditions and flight lines, data management has now become a critical priority and focus. This article outlines a new initiative called LMAP that provides an automated workflow for uploading and storing Lidar and metadata into GIS. Developed in a partnership between RIEGL of... (read more)
2018-11-06 11:07:08

A Glimpse of the Geospatial Future: Insights from Intergeo 2018

There is an abundance of data today, but how can it be processed, visualised and analysed to deliver real business benefits? We are in the midst of a digital transformation, and words such as Internet of Things, artificial intelligence and smart cities have become part of our everyday vocabulary, but which opportunities will digitalisation really create for society? And is the unmanned aerial vehicle (UAV or ‘drone’) truly democratising the geospatial industry? These are just some of the questions that may have crossed the minds of visitors to Intergeo 2018 in Frankfurt. And if they spoke to the right exhibitors... (read more)
2018-11-15 03:25:57

Exceeding All Limits

Intergeo 2005 Düsseldorf, Germany – A Preview
This year’s Intergeo, to be held at the Exhibition Centre in Düsseldorf, Germany from 4th to 6th October, is expected to exceed all limits. With opening extended to three whole days and exhibition space to 10,000m2, it certainly looks as though big things are expected. And if organiser Hinte-Messe predictions prove correct, some 17,000 visitors and 1,500 conference delegates will attend. Nearly five hundred exhibitors have booked a stand at the trade-fair. It is not only in statistics limits are being pushed. The theme of ‘Exceeding limits’ reflects a wish to increase awareness of European expansion, globalisation and its effect... (read more)
2005-09-28 12:00:00
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