Results 31 to 40 of about 19,434 (267)

Requirements for Topology in 3D GIS [PDF]

open access: yes, 2006
Topology and its various benefits are well understood within the context of 2D Geographical Information Systems. However, requirements in three-dimensional (3D) applications have yet to be defined, with factors such as lack of users' familiarity with the
Ellul, C, Haklay, M
core   +1 more source

Horizontal accuracy assessment of very high resolution Google Earth images in the city of Rome, Italy [PDF]

open access: yes, 2015
Google Earth (GE) has recently become the focus of increasing interest and popularity among available online virtual globes used in scientific research projects, due to the free and easily accessed satellite imagery provided with global coverage ...
Baiocchi, Valerio   +2 more
core   +1 more source

On the Accuracy of Cadastral Marks: Statistical Analyses to Assess the Congruence among GNSS-Based Positioning and Official Maps

open access: yesRemote Sensing, 2022
Cadastral marks constitute a dense source of information for topographical surveys required to update cadastral maps. Historically, in Italy, cadastral marks have been the cartographic network for the implementation of mapping updates.
Gino Dardanelli, Antonino Maltese
doaj   +1 more source

Mapping local solutions to entrenched transport problems: key lessons regarding the use of geographical information technologies in community mapping with disadvantaged communities [PDF]

open access: yes, 2012
There is an increasing interest in the use of information technology as a participatory planning tool, particularly the use of geographical information technologies to support collaborative activities such as community mapping.
Al-Kodmany   +33 more
core   +1 more source

The effect of correlation on uncertainty estimates – with GPS examples

open access: yesJournal of Geodetic Science, 2013
This article deals with the effect of correlation on the estimates of measurement uncertainty, with some focus on Global Positioning Satellite (GPS) time series analysis.
Jansson P., Persson C.-G.
doaj   +1 more source

Atmospheric horizontal gradients measured with eight co-located GNSS stations and a microwave radiometer [PDF]

open access: yesAtmospheric Measurement Techniques
We used eight co-located global navigation satellite system (GNSS) stations with different antenna mounts to estimate atmospheric signal propagation delays in the zenith direction and linear horizontal gradients.
T. Ning, G. Elgered
doaj   +1 more source

The distribution of landed property

open access: yes, 2009
The distribution of property is established through various mechanisms. In this paper we study the acreage distribution of land plots owned by natural persons in the Zl\'{\i}n Region of the Czech Republic.
Andersson   +25 more
core   +1 more source

All-terrain experts: Land surveyors, remote mapping and land alienation in Mendoza, Argentina [PDF]

open access: yes, 2019
In jüngster Zeit rückte die Bedeutung von Expert_innenwissen für Landpolitik vermehrt ins Blickfeld der akademischen Debatte. Bislang wird hierbei jedoch die Rolle von Expert_innenwissen bei der Transformation von Kontrolle über, Zugang zu und Besitz von
Martín, Facundo
core   +2 more sources

Quantifying the Overlap between Cadastral and Visual Boundaries: A Case Study from Vanuatu

open access: yesUrban Science, 2017
Cadastres are argued as an essential tool to support land tenure security. Low cadastral coverage in developing countries creates a driver for innovative methods to expedite the mapping processes. As a human construct, the morphology of parcel boundaries
Xianghuan Luo   +4 more
doaj   +1 more source

Updating Cadastral Maps using GIS Techniques

open access: yesEngineering and Technology Journal, 2017
The Cadastral maps are very important since they have technical and materialist specification of the property borders. However, these maps despite their use as land registration in world in general but in Iraq; the old maps are unfit for use. Therefore, updating and digitizing the cadastral maps are very pivotal.
A. AL-Hameedawi   +2 more
openaire   +2 more sources

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