Geodetski glasnik

Geodetski glasnik

Basic info

  • Publisher: Union of Associations of Geodetic Professionals in Bosnia and Herzegovina
  • Country of publisher: bosnia and herzegovina
  • Date added to EuroPub: 2019/Nov/09

Subject and more

  • LCC Subject Category:
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  • Language of fulltext: bosnian, english, croatian, serbian
  • Time from submission to publication: weeks

Publication charges

  • Article Processing Charges (APCs): No
  • Submission charges: No
  • Waiver policy for charges? No

Open access & licensing

  • Type of License:
  • License terms
  • Open Access Statement: No
  • Year open access content began: 1967
  • Does the author retain unrestricted copyright? False
  • Does the author retain publishing rights? False

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This journal has '15' articles

Changes in the level of magnetic declination in the Adriatic from 1806 to 1995 – a contribution to the history of Adriatic seafaring

Changes in the level of magnetic declination in the Adriatic from 1806 to 1995 – a contribution to the history of Adriatic seafaring

Authors: Mithad Kozlicic, Sanda Uglešić
Year: 2017, Volume: 51, Number: 48
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Abstract

The paper analyzes changes in magnetic declination in the Adriatic Sea from the first measurements in 1806 to the latest isogonic charts from 1995. The basis of analysis are data provided by the Adriatic pilot books as literature that mariners used as an indispensable instrument in sailing that has not been properly evaluated in the scientific research so far. It is emphasized the the magnetic declination was relevant primarily to overseas ferries, and was less important in coastal navigation, usually along the archipelagos of the eastern Adriatic maritime zone as terrestrial navigation was used in sailing in this belt with over a thousand islands and islets

Keywords: Adriatic, magnetic declination, changes, 1806-1995, Adriatic pilot books, coastal navigation, overseas ferries, magnetic compass compensation, maritime history
Evaluating training data for crop type classifıcation using support vector machine and random forests

Evaluating training data for crop type classifıcation using support vector machine and random forests

Authors: Mustafa Ustuner, Fusun Balik Sanli
Year: 2017, Volume: 51, Number: 48
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Abstract

This study evaluated the effectiveness of three different training datasets for crop type classification using both support vector machines (SVMs) and random forests (RFs). In supervised classification, one of the main facing challanges is to define the training set for the full representation of land use/cover classes. The adaptation of traning data, with the implemented classifier and its characteristics (purity, size and distribution of sample pixels), are of key importance in this context. The experimental results were compared in terms of the classification accuracy with 10-fold cross validation. Results suggest that higher classification accuracies were obtained by less number of training samples. Furthermore, it is highlighted that both methods (SVMs and RFs) are proven to be the effective and powerful classifiers for crop type classification.

Keywords: training data, crop type classification, support vector machines, random forests, machine learning
Calibration of terrestrial laser scanner

Calibration of terrestrial laser scanner

Authors: Mirnes Bojić, Dušan Kogoj
Year: 2017, Volume: 51, Number: 48
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Abstract

Terrestrial laser scanning is very powerful and advanced geodetic surveying technique, which has lately made significant progress in its development and improvement. For results of laser scanning to be accurate and reliable, beside the list of other conditions, it is necessary to have calibrated laser scanner. Calibration of laser scanner is very important element of the whole laser scanning process and it is necessary to give this element special attention. In this paper authors try to describe different procedures of calibration of terrestrial laser scanners.

Keywords: terrestrial laser scanner, calibration of TLS, self-calibration of TLS, components calibration of TLS
Dam blocks movement prediction using artifical neural networks

Dam blocks movement prediction using artifical neural networks

Authors: Hamzić Adis, Zikrija Avdagić
Year: 2017, Volume: 51, Number: 48
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Abstract

The dams are very important objects for production of electric energy, irrigation, flood management and tourism. However, besides all benefits the dams provide, they also represent great danger for areas downstream because there is always risk of dam failure. To prevent dam failure it is important to perform regular dam monitoring and for that purpose geodetic and physical methods are used. Geodetic methods use special network of points for object monitoring where reference points are used for monitoring of object points which are strategically distributed on the object. By quality prediction of object behavior it would be possible to prevent further damage on the object and additionally to save human lives in cases of great danger. In this paper artificial neural networks (ANNs) are used for dam movement prediction. ANNs are very popular tool for prediction since they are known for their quick learning ability and good generalization ability which gives them advantage compared to traditional statistical methods.

Keywords: dam, monitoring, neural networks, prediction
Production of topographic map at scale 1:50000 in the environment of geodatabase

Production of topographic map at scale 1:50000 in the environment of geodatabase

Authors: Mirko Borisov, Vladimir Petrović
Year: 2017, Volume: 51, Number: 48
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Abstract

Technological trends in the field of cartography and GIS require a different concept in the production of maps from classic cartographic publishing. The paper describes the technological procedure for the creating of a topographic map at scale of 1:50 000 in the geodata environment and based on it a cartographic-reproduction preparation for printing. At the beginning of the work, the criteria are analyzed for choosing the basic scale as initial (fundamental) scale in the system of topographic maps. After that, technical and technological solutions are described, from the modeling of map data to creating of the database. Also, procedures of cartographic reproduction preparation and printing of topographic maps are described. In the practical part of the work tools and softwares were used: ArcGIS, MicroStation and PS/M

Keywords: Cartography, topographic map at scale 1:50 000, GIS, geodatabase, map publishing
Research on the influence of vertical deflection to the line geodetic network - prism method

Research on the influence of vertical deflection to the line geodetic network - prism method

Authors: Dževad Krdžalić, Jasmin Taletović
Year: 2017, Volume: 51, Number: 48
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Abstract

This work was carried out calculating and research the deflection of the vertical on line traverse in the geodetic network of the City of Sarajevo. Determination of vertical deflection is done using Quadar. Computations consist of two segments. The first segment is the calculation of the coordinates of points without taking into account the vertical deflection, while the second segment dealt with the calculation of the coordinates of points by taking into account the vertical deflection.

Keywords: vertical deflection, Quadar method, geoid
Distances between endpoints of Bosnia and Herzegovina

Distances between endpoints of Bosnia and Herzegovina

Authors: Edin Hadžimustafić
Year: 2017, Volume: 51, Number: 48
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Abstract

The subject of this paper is to calculate the distances between the endpoints of Bosnia and Herzegovina. The aim of the research is to verify the accuracy of data that is in official use. Determining the astronomical-geographic position of Bosnia and Herzegovina, calculating the length of the meridians and parallels arcs approximating the Earth with an ellipsoid and also with sphere, a comparison of the obtained values, are the tasks of the research. The basic hypothesis is that official data about the distances between the endpoints of Bosnia and Herzegovina are not accurate and should be corrected. In this paper mathematical-cartographic and analytical-synthetic methods have been applyed. The results obtained should be used in cartographic, geographical, geodetic and other related scientific disciplines.

Keywords: endpoints of Bosnia and Herzegovina, astronomical-geographical position, Earth's ellipsoid, mathematical cartography
Parameters determination of the circular object with application of regression analysis

Parameters determination of the circular object with application of regression analysis

Authors: Streten Lazoroski
Year: 2017, Volume: 51, Number: 48
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Abstract

Paper presents the method of determining parameters defining the shape and size of the engineering objects through a series of discrete points, as well as controlling the geometry of the objects using regression analysis.

Keywords: engineering objects, regression analysis, discrete points, special networks, circle
Introduction of a new geodetic reference systems in Bosnia and Herzegovina

Introduction of a new geodetic reference systems in Bosnia and Herzegovina

Authors: Šeho Zimić, Eldin Đonlagić
Year: 2017, Volume: 51, Number: 48
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Abstract

The introduction of a new reference system in Bosnia and Herzegovina is not only a necessity, but an obligation imposed by the United Nations (UN) and the European Union (EU). At the General Assembly on February 26, 2015, the UN has adopted a resolution titled "Global Geodetic Reference Frame for Sustainable Development - GGRF", which for the first time raise the geodetic issue as a political issue at such a high level. The resolution highlights the strong need for more precise positioning and navigation from the use of smartphones to the study of climate changes, population migrations and other scientific researches of relevance to the whole world (http://www.unggrf.org/). All this is not possible without a global exchange of geodata and a common global geodetic reference system. Through the Inspire Directive, the EU has clearly specified which coordinate and heights systems are being applied in Europe. The countries in the region have adopted the European terrestrial reference system ETRS89 as a new reference system in their legislation. Through the EUREF campaign BALKAN98 and the introduction of the Network of permanent GNSS stations Bosnia and Herzegovina has joined the famil

Keywords: reference system, GGRF, ETRS89, GNSS, geoid, NVT
Vela and Mala Palagruža - Diomediae Insulae

Vela and Mala Palagruža - Diomediae Insulae

Authors: Mithad Kozlicic
Year: 2018, Volume: 52, Number: 49
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Abstract

Sailing route leading from central Dalmatia to the Gargano region was one of the most heavily travelled seaways in antiquity. On the one hand it is marked by the toponyms associated with Diomedes and his cult in historical and geographical sources (Diomedes' cape, Diomedes' city/cities, Diomedes' islands and Diomedes' sanctuary), and on the other hand by the information on the distance between the two coasts or some central Dalmatian islands and Italian coast of the Adriatic. Exceptional frequency of such sailing was supported by the fact that one could sail directly to the south or vice versa directly to the north which was of crucial importance in ancient navigation in theoretical and practical terms. Palagruža (Vela and Mala), the Islands of Diomedes in antiquity, were orientation landmarks of exceptional importance on this sea route. The text offers a detailed analysis of the most important historical and geographical information provided by the ancient writers who shed more light on such position of both islands of Palagruža in antiquity.

Keywords: Islands of Diomedes - Diomediae insulae, Vela Palagruža - Mala Palagruža, Adriatic, antiquity, ancient sailing routes, transmarine navigation, ancient historical and geographical sources
TPS and TLS laser scanning for measuring the Inclination of tall chimneys

TPS and TLS laser scanning for measuring the Inclination of tall chimneys

Authors: Aleš Marjetič
Year: 2018, Volume: 52, Number: 49
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Abstract

The verticality of tall chimneys needs to be accurately monitored. Vertical plumbing, the classic geodetic procedure for detecting the inclination has certain drawbacks and can be replaced by modern technology if necessary. It was proposed a more general and rigorous procedure. For the researching it was used laser scanning methods which result in point clouds. Data acquired with two types of laser scanners were fit to a cylinder using the least squares adjustment. The aim of the paper was also to point out the differences between the used technologies, the differences between the results as well as influences on the computed inclination of the chimney and its practical explanations.

Keywords: chimney, TPS, TLS, scanning, modelling
Positioning on the dynamic Earth

Positioning on the dynamic Earth

Authors: Yüksel Altiner
Year: 2018, Volume: 52, Number: 49
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Abstract

Increasing mobility of people and goods, as well as the rapid growth of users of mobile devices with positioning services expands constantly the need for geospatial information. Today, the challenge for suppliers and users or sellers and buyers is how to use this information to identify and accelerate profitable measures in public and private affairs like security, environment, resource, disaster and transportation or risk assessment for industry and insurers. In this context, georeferencing of geoinformation is the key instrument to visualise the location of events of interest. This paper deals with the background of spatial reference for precise positioning on the dynamic Earth and focuses on the ETRS89 regarding applications in real-estate cadaster and similar services provided by the official authorities.

Keywords: dynamic Earth, spatial reference, ETRS89
Different methods for remote sensing data integration

Different methods for remote sensing data integration

Authors: Nedim Kulo
Year: 2018, Volume: 52, Number: 49
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Abstract

Nowadays remote sensing is an indispensable source of information about Earth's surface, primarily satellite-based remote sensing systems. Traditionally, the analysis of data collected from a particular area was based on the analysis of the data of one satellite image. The technological revolution improved spatial, temporal and radiometric resolution of satellite images, which allowed time datasets analysis, combining (integrating) data from various sensors, combining images of different scales and better integration with existing data and models. The integration of data from different sources is becoming an increasingly important factor in numerous aspects of remote sensing, and the results of this technique are used in solving everyday problems.

Keywords: Remote sensing, Data integration, Data integration levels, signal, pixel, features
Geodetic works in the construction of the pillar of ''Briješće'' viaduct

Geodetic works in the construction of the pillar of ''Briješće'' viaduct

Authors: Nedim Pešto, Muamer Đidelija
Year: 2018, Volume: 52, Number: 49
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Abstract

Surveying is an undisputed link in the chain of professions that participate in the realization of projects for the construction of various buildings and structures. Different stages of construction require the engagement of geodesists in a different range. The process of construction of the pillar of the viaduct "Briješće" required the collaboration of a large number of experts of various profiles, among which is a geodetic expert. The paper contains a detailed description of geodetic works in the construction of the viaduct pillar, starting from the establishment of the control network to the final control of the pillar construction.

Keywords: buildings and structures, viaduct pillar, stake-out, geodetic network
Forest detection using avaliable Landsat satellite imagery in Bosnia and Herzegovina

Forest detection using avaliable Landsat satellite imagery in Bosnia and Herzegovina

Authors: Dženana Hajdarević
Year: 2018, Volume: 52, Number: 49
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Abstract

It is apparent devastation of forest resources in Bosnia and Herzegovina in different ways. Surveyors employed in forest management societies and Forestry administrations of different levels of government witnesses this difficult problem. Methods and techniques of remote sensing, as a new discipline in the surveying, enable automatic data processing - getting reliable (space and time) of information that is the basis for efficient and effective forest management. The proceedings of the implied classification and interpretation of satellite images were used satellite images from two periods (1987 and 2013). These images are processed in software ArcGIS 10.2. and eCognition Developer, the results are displayed in map form. By analyzing the results - processed satellite images (high accuracy in this class of images), it was concluded that it is possible to analyze the shape of the forests.

Keywords: remote sensing, forests, satellit images

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