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In the restoration and conservation of historic buildings and monuments, for verification and repairs of any kind, accurate information on shape, size and architectural details are of utmost importance. The field of photogrammetry plays an important role in this process, through the possibilities of 3D modeling and representation of historical buildings and monuments. At present, there are a series of photogrammetric software with expertise in image processing algorithms, with digital photogrammetric techniques that establish the direction of development of the applied instruments. The process of photogrammetric modeling uses terrestrial and aerial images of the building attached to the solid model, obtaining a 3D realistic model. This is easily visualized, analyzed and modified by users, even in other fields, such as architecture or history. The advantage of the “multi-view 3D reconstruction technology” is the possibility to use images no matter the shooting distance, as long as each two images contain common points.
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A Database Management System in Real Estate Assessment
The paper presents a database management system created for real estate assessment. The proposed database contains data taken from the real estate market, the characteristics of the traded real estate properties, their trading prices. It also contains property-specific data, with depersonalized information. The database management system was created using the Geographic Information System (GIS), offers information on traded or assessed real estate properties, leading to a better use of resources, can contribute to the creation of a real database needed for assessing real estate properties and can also help the assessor establish a reasonable market value of the property.
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A GIS Based Assessment of Renewable Energy Sources in Romania and Its Impact on Isolated Areas
Taking into account the significant potential of renewable energy sources in Romania, it is reasonable to use it in order to develop Romanian cities and rural regions. There are some current technologies that may be applied to rural sustainable development, such as new-generation photovoltaic panels and systems of passive heating of water.This paper presents an application of Analytic Hierarchy Process for selection of renewable energy sources and technology in context of Central Region of Romania. The option – solar energy have been evaluated based on selected criteria. The objective of our working paper is to analyze the renewable energy development policy in isolated areas of Romania. Renewable sources of energy play an important part in the sustainable supply of energy and in the sustainable economic and social development.Using a GIS model, the aim is to demonstrate which of the analyzed sources of energy is the most convenient to be used in a sustainable system, solar or electric network.
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Technological fatigue is spreading due to the increased arrays of technological branches and the rapid pace of development. Keeping up with the latest and newest might prove not only difficult and tiring, but also not necessarily recommended to beginners in digital humanities. A more “back to the basis” approach might be more useful for students that don’t have technical backgrounds.
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The present paper proposes a methodology consisting of a guide for the capitalisation of analytical principles that offer quantitative valences to the habitat by using the geoprocessing functions of GIS. The analysis is based on a complex of processes and operations performed in toolsets and leading to the determination of specific coefficients of the density and depth of habitat fragmentation.
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For physicists computing is a main activity. Starting from devising an experiment to problem solving with computer, from using mathematical tables to other aids to computation, physics has grown its strength by using each step the numerical computation. So, computing for researches as well as education was used and steadily improved by us, starting from first minicomputers to the last generation of computers and algorithms. In this presentation we will follow, in short, the evolution of computing, hard and soft, in physics at our faculty. We selected here the main field of interests that was connected with problems showing: programmed solutions, simulations and modeling, computer application and software during the time. Such a time recollection is interesting and surprises me as how diverse and far such activity was done. Examples will be from computation in tradition physics, to biology, chemistry, astronomy, medicine to data processing and visualization, data management, to create our own educational software and so on. The fields as nonlinear dynamics, complexity, chaos and fractals, as well as fluid dynamics, atomic, molecular or nuclear physics, earth or stellar physics, connected to improvement of the experiments and devices via artificial intelligence are some of our topics which will be exemplified here.
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A Test Facility for Verification of Length Measurements
This paper describes the design and measurement of an internal test facility for length measurements. The purpose of setting up this control baseline is mainly to verify precision instruments of a few millimeters such as geodetic total stations and laser scanner instruments for educational and research activities. The paper describes the measurement process for the baseline reference distances using an absolute laser tracker and the statistical results of the tests using the baseline for two proprietary total stations.
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Territorial and economic evolution of Reşiţa city is closely link to industrial activity. This also contributed to shaping its role as urban center as regional pole in the Banat Mountain. Favorability of natural environment (ground and underground resourses) competed with historical factors in the emergence and development of an important industrial center since at the begining of the XIXth century. Industrial activity influenced the development of two well contoured functional areas (residential and industrial). Territorial development stages of the city were closely related to the expansion of plants domains of Reşiţa that marked still visible differentiations in the urban landscape (colony districts of German influence followed by the modern working-class neighborhoods). The actual urban landscape of Reşiţa city is a mixt between vernacular architecture and the modern one.
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Acquiring and Processing of Field Information Based on UAV, GNSS and GIS Technologies
The present work consists in taking photogrammetric images with the help of the drones, making their mosaic and georeferencing of the orthophotoplan resulting in the national stereographic projection system 1970. The flight took place at the University of Agricultural Sciences and Veterinary Medicine of Banat, King Mihai I of Romania, in Timisoara. Also, 15 targets were measured in the 1970 stereographic projection, based on GNSS technology. To achieve these objectives, the following equipment was used: PHANTOM 4 ADVANCED drones, GPS GS08, the 15 targets as well as the ArcGIS, PIX4D, SKYCATCH (iOS) data processing software’s.
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Actual Approaches on the Water Utilities Data Models
In November 2017 the Technical Normatives about producing spatial datasets on public utility networks was approved and published by National Agency of Cadastre and Land Registration. Romania has undertaken the implementation of INSPIRE, so identifying the best ways to put it into practice is an essential step in the application of these rules. Currently there are developed models for water and sewerage networks, designed both using company software and open source software solutions. From cadastral and urban management viewpoint, it is very important that the utility networks to be correctly and complexly modeled, justifying the importance of presented analysis. Its importance is due to the fact that utilities networks are fundamental parts of the smart city concept, being integrated with the cadastral information. The implementation of concepts that lead to 3D modeling of standards-compliant utilities networks, while also offering open-source access, is a top priority, including at international level. The present article aims to analyze these models by highlighting their current status and defining important aspects.
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Adjustment of GNSS Permanent Stations Network MOLDPOS
The aim of this work is to analyze the GNSS measurements results at different periods of time in order to estimate the accuracy of GNSS network monitoring in Republic of Moldova and to describe the national position system MOLDPOS. The goals of this paper are: the analyze of position systems; analyze of GNSS bases processing methods; the study of GNSS measures processing software and the adjustment of permanent stations network and the comparative analysis of the results. The most important part of the work was achieved by using Leica Geo Office Software that allowed to calculate the GNSS permanent stations coordinates for 4 different periods of time with the help of which was possible to determinate the smallest average deviation from initial coordinates and to determinate the average square error both in altitude and plan, in this way it’s possible to find out which accuracy is the best from all periods of time. The achievements of this paper are: for 30 minutes with ±1 cm in plan and ±2.6 cm for altitude and is the best accuracy and the rest of the results are represented in the next way: 24 hours: in plan : ±0.9 cm and for altitude is ±3.4 cm; 60 minutes: in plan: ±1 cm and for altitude is ±2.7 cm; 15 minutes: in plan: ±1.6 cm and for altitude is ±3.5 cm;
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Advanced UAV Lidar System for Geospatial Data Collection
There are presented 2 systems based on UAV equipment using a combination of 2 technologies Lidar and photogrammetry. Both UAV equipment, the hexacopter DJI M600 and the fix wing airplane TerraHawk CW-20 with vertical landing are collecting high density of Lidar points and aerial images.The paper presents the advantage of using high density of cloud points combined with high image resolution for collecting accurate and complete geospatial data. The registered area is divided in cells and specific algorithms are applied on cells in a tree structure for fast DTM and DSM generation. In house applications are used for cloud data processing and change detection. Some 3D modelling applications are also presented for different kind of objects.
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Aerial Survey Test Project with DJI Phantom 3 Quadrocopter Drone
The paper deals with the optimization of the aerial triangulation based on UAS images. The images were taken with a DJI Phantom 3 quadrocopter and they were measured in Photomod Lite ver. 4.4. The bundle adjustment was carried out twice; first in Photomod Solver and later in BINGO ver. 6.8. During the adjustment 14 ground control points were used and 31 points were calculated as new points. Using these new points we could compare the coordinates to the coordinates received from the high-precision field surveying measurements. From the coordinate differences the calculated RMS errors of horizontal coordinates are around one pixel size on the ground and to 2.5 pixels vertically. The final results showed us that a non-metric camera at low flight height with a quadrocopter can be used effectively and accurately at aerial surveys of relatively small areas.
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This article investigates the challenges of creating online research collections, specifically for photographic objects. This examination considers the material aspects of the photograph and considers the manner in which they may be made accessible within a web resource. The article explores the challenges of attributing metadata for visual resources in an attempt to address some of the key issues in the production of resources in the Digital Humanities.
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The article contributes to recognition of the settlement processes in the Western part of then Zgierz County at the turn of 18th and 19th centuries. It discusses and presents issues based on formerly unknown sources concerning the establishment of Olęder settlements in Ruda Bugaj and Brużyca Mała. The study, based on sources which were never accounted before, resulted in clearing the doubts concerning the exact date of establishment of the industrial settlement in Aleksandrów.Artykuł stanowi przyczynek do poznania procesu osadniczego przebiegającego na przełomie XVIII i XIX w. w zachodniej części ówczesnego powiatu zgierskiego. Omówiono nieznane dotychczas w polskiej literaturze przedmiotu źródła dokumentujące założenie osad olęderskich w Rudzie, Bugaju i Brużyczce Małej. Na podstawie nieuwzględnianego dotąd przekazu źródłowego rozstrzygnięto wątpliwości narosłe wokół daty założenia osady przemysłowej Aleksandrów.
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The water supply in the town of Iași was a long-standing concern for the rulers of Moldavia, with beginnings predating the rule of Vasile Lupu (1634–1653). Due to the lack of sources, it is only when this prince came into office that we can benefit from more solid information: the first pipelines bringing water to the palace and the public bath (feredeu) were installed during his reign. The most significant investments were made in the 18th century when the foundation is gradually laid for a network and supply system. Major contributions were brought by princes Grigore II Ghica and Grigore III Ghica, and Constantin and Alexandru Moruzi, who used water from the sources in the hills outside the town. The inventory (attached to this study) taken by a committee in 1841 has revealed more details about how the network operated, and allows for a clear conclusion: the water supply system displays an obvious Ottoman influence. The craftsmen who had worked on capturing water and creating the water fountains in Iași were known to have come from south of the Danube, but we now have data confirming the idea that structural and functional elements from Ottoman towns were introduced in the water network of the Moldavian capital. The specialized terms (suiulgiu, cișmea, havuz, maslac, terezie, lichium, edirmeli) are Turkish in origin, and so is the way the system was designed.
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This paper aims to define the amount of changes in potential flood losses on the basisof spatial distribution patterns of floodplain development using GIS tools. A procedurefor potential flood loss estimation has been developed in which GIS tools have beenapplied. A procedure for calculating flood losses applied in Polish legislation has beenused. According to this survey, in Gryfino, which is situated on the Odra river in years1996–2007 potential hazard of flood loss grew as a result of grow of floodplain areasdevelopment
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An Overview of Geoprocessing and Export Options for Creating 3D GIS Models Using Drone2Map
In this article the main topic of interest is to explore the processing possibilities offered by the latest version of Drone2Map. At the same time, we want to highlight the ways of sharing the 2D and 3D products obtained, but also the means of their subsequent analysis in the established GIS environment. One of the major advantages identified is primarily the interoperability of Drone2Map - ArcGIS Online – ArcGIS Pro.
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An Overview on Space Time Cube Visualization in GIS
Over the last years, the STC (Space Time Cube) visualization method has been analyzed in many scientific papers in the literature. The term STC cames from cartography, meaning a geographical representation where time is treated as the third dimension.This model was introduced by the Swedish geographer Hägerstrand at the end of the sixties. When datasets involve more than one dimension in addition to time are difficult to visualize. In a geovisualization environment, maps as digital representations are used to emphasize visual thinking about geospatial patterns, relationships, trends. Currently, GIS technology offers dedicated tools that lead to interesting viewing results using this method, the cube and its contents being automatically created from a database. We reviewed some functions on temporal data, used to view geospatial data sets in different ways. Also in the case study, an earthquake dataset was used, which was represented using the STC method, but also in the form of a temporal slider application.
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