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Collection's Items (Sorted by Submit Date in Descending order): 1 to 10 of 10
Janečka, Karel
Transformation of 3D geospatial data into CityGML - a case of Prague

The 3D geoinformation is becoming important for cities and their policies. The cities are therefore exploring the possibilities of 3D virtual city models for more ecient decision making. To maximize the economic benefit of such data, the cities can provide their 3D geospatial data&...

Janečka, Karel
Standardization supporting future smart cities- A case of BIM/GIS and 3D cadastre

The aim of the paper is to give an overview of selected ongoing ISO standardization activities in the domain of geographic information dealing with BIM/GIS and 3D cadastre. The presented international standards have also a close relation to the activities (e.g. 3D spatial plan...

Kolovský, František , Ježek, Jan , Kolingerová, Ivana
The ε-Approximation of the Time-Dependent Shortest Path Problem Solution for All Departure Times

In this paper, the shortest paths search for all departure times (profile search) are discussed. This problem is called a time-dependent shortest path problem (TDSP) and is suitable for time-dependent travel-time analysis. Particularly, this paper deals with the ε -approximation of profile&#...

Pitoňák, Martin , Novák, Pavel , Eshagh, Mehdi , Tenzer, Robert , Šprlák, Michal
Downward continuation of gravitational field quantities to an irregular surface by spectral weighting

In geophysical and geodetic studies, gravity inversion is typically performed such that observed gravity values are first continued downward onto a regular (planar, spherical or spheroidal) surface by solving an inverse integral transform, which originates from a classical solution to the fi...

Rathnaya, Samurdhika , Tenzer, Robert , Pitoňák, Martin , Novák, Pavel
Effect of the lateral topographic density distribution on interpretational properties of Bouguer gravity maps

Until recently, the information about the topographic density distribution has been limited to only certain regions and some countries, while missing in the global context. The UNB_TopoDens is the first model that provides the information about a lateral topographic density globally. The...

Janečka, Karel
The Integrated Management of Information about the Geodetic Point Fields—A Case of the Czech Republic

The geodetic point fields play a crucial role in measuring a terrain, in surveying, and mapping applications. Due to the rapid development in the domain of information technologies, it makes sense to consider using the database and web technologies to manage and disseminate the...

Rathnayake, Samurdhika , Tenzer, Robert , Eshagh, Mehdi , Pitoňák, Martin
Gravity Maps of the Lithospheric Structure Beneath the Indian Ocean

The lithospheric structure beneath the Indian Ocean is probably the most complicated, but at the same time, the least understood among world’s oceans. Results of tomographic, geochemical, magnetic and other surveys provide the evidence of its complex geological history. Seismic surveys have&...

Saadat, Seyed Abdoreza , Safari, Seyed , Pitoňák, Martin , Rexer, Moritz
Regional gravity field recovery of the void areas using SGG-derived surface residual gravity disturbances based on least-squares collocation: a case study in Iran

Objective of this paper is regional gravity field modelling of the Earth combining surface gravity disturbances and satellite gravity gradiometry (SGG) data based on the least-squares collocation (LSC) over the void areas in Iran, where the existing gravity data are not intensified or&#...

Čada, Roman , Ozeki, Kenta , Xiong, Liming , Yoshimoto, Kiyoshi
Pairs of forbidden subgraphs and 2-connected supereulerian graphs

It is proved that a 2-connected claw-free graph admits a spanning Eulerian subgraph if it is N_{1,1,4} or N_{1,2,2} or Z_5 or P_8-free. Related hamiltonicity results are also obtained.

Jedlička, Karel
Geomorfologický informační systém – případy užití

Collection's Items (Sorted by Submit Date in Descending order): 1 to 10 of 10