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Analysis of the curvature of the river bend for regulation purposes

Godek K., Krupiński W., Szeptalin A.

Geomatics, Landmanagement and Landscape

2016

no. 4

59--70

In order to determine the most appropriate geometrical parameters of regulated watercourses, this paper presents some ways to identify the natural course thereof. In addition to analysing the types of curves approximating the test object, the authors have also described the methods of studying the range of these curves. In order to determine the degree of relationships between the variables of the studied watercourses, the authors have analysed the correlation coefficients. The paper presents the findings pertaining to the best-matched curves approximating the given object.

W celu ustalenia najbardziej właściwych parametrów geometrycznych regulowanych cieków wodnych, przedstawione zostały pewne sposoby identyfikacji ich naturalnego przebiegu. Oprócz przeanalizowania rodzajów krzywych aproksymujących badany obiekt, zostały również opisane sposoby badania zasięgu tych krzywych. Dla ustalenia stopnia zależności między zmiennymi badanych cieków poddano analizie wartości współczynników korelacji. Przedstawiono wnioski dotyczące najwłaściwiej dobranych krzywych aproksymujących obiekt.

Data preparation for the purposes of 3D visualization

Gryboś P., Kaletowska M., Litwin U., Pijanowski J. M., Szeptalin A., Zygmunt M.

Geomatics, Landmanagement and Landscape

2013

no. 1

31--40

The article presents a method of preparing input data for 3D visualizations. The authors implemented the proposed procedure when they were working on a visualization, with use of Autodesk 3ds Max software. The test object were the ruins of a historic grange that belonged to the Nostitz family in Mściwojów (Mściwojów commune, Jaworski district, Lower-Silesia Voivodeship). After surveying the area and analyzing the data, using MicroStation with a geodetic application MK (Mapa Kontekstowa - context map), a Digital Terrain Model (DTM) was created along with contour lines, with use of Data Acquisition (a tool in some programs of Bentley). Next, the models of spatial objects were created using the authors' software VITAL LANDSCAPES Tools, developed during the EU CENTRAL EUROPE program. It was the basis for development of a visualization of current land management, using the sotware Autodesk 3ds Max. This allowed the design of the future land management of the historic grange so that the landscape balance is maintained. The data processed in this manner can be used for photorealistic visualizations in Autodesk 3ds Max or other graphical sotware.

Application of surfer software in densiification of Digital Terrain Model (DTM) grid with the use of scattered points

Litwin U., Pijanowski J. M., Szeptalin A., Zygmunt M.

Geomatics, Landmanagement and Landscape

2013

no. 1

51--61

This article explores the problem related to preparing the digital data used for 3D visualizations on big areas. Because of the frequent problem of having only a small amount of such data the authors introduce a technology allowing densification of the data that make up the Digital Terrain Model. This is where SURFER software finds its application. These methods are sufficient to generate images for landscape visualization.