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12769 Uppsatser om Object-based 3D model - Sida 38 av 852

Physically based rendering - Ur en 3D-grafikers perspektiv

Det här kandidatarbetet undersöker hur Physically based rendering kan påverkar en 3D-grafikers arbete. Målet är att skapa förståelse kring physically based rendering och hur denna tekniken kan komma att påverkar en 3D-grafikers arbete. För att undersöka problemområdet skapades en virtuell miljö i 3D med hjälp av physically based rendering. Arbetsupplevelsen jämfördes senare med det tidigare arbetssättet. Undersökningen beskriver tidigare arbetsätt och hur arbetet har ändrats med physically based rendering.

?Så snart som möjligt? ? En jämförande studie av Open Access-policyer i Skandinavien

Open access (OA) is a publishing model aimed at increasingthe access to academic research results. The object of thisstudy was to contrast nine colleges and four fundingorganizations in Scandinavia with mandatory OA-policies,and to study how they put OA into practice.Inspired by the Open Access Spectrum (OAS), a tool used toappreciate the OA of academic journals, the aim was tograde the policy documents of the colleges using the OASmodel.The study also compares how the colleges implementtheir OA-policies as well as how, and if, the demands fromthe funding organizations are reflected in the policies of thecolleges.The findings show that the OAS is not a tool designed forgreen OA and that all the information needed for the scale tofunction was not found in the policy documents we studied.A selection of the colleges has some demands in theirpolicies, although most of them allow exceptions to be madefrom the mandatory policy. This is shown to be mainly aquestion of academic freedom, and copyright, or rather thanthe degree to which the scientist and the publisher can cometo an agreement on allowing the information to be accessiblethrough OA.The study proposes that the way to change this may be toincrease the demands on OA in the policies, and that the bestsolution might be in stipulations within the employmentcontracts between the individual colleges and scientist..

Den demokratiska konsolideringen i delade samhällen - fallet Makedonien En studie om Makedoniens demokratiska utveckling efter den väpnade konflikten år 2001

The consociational democracy model in Macedonia, which came out from a warcrisis and a peace agreement from 2001, in addition, putting an end to the violent conflict, actually admits the division of the society along the ethnic lines. Paradoxically, there is an attempt to bridge the ethnic gap with this model. As a result, the consociational democracy model holds solutions that can be abused if somebody misuses its power and desires to disintegrate the country. The future development depends therefore on the moderate attitude of the citizens, and first and foremost, on the political elites and their commitment to the values of democracy and human rights instead of their nationalistic goals. Furthermore, thepresent democratic consolidation in Macedonia is established on the execution of the peace agreement and the improved effectiveness of the institutions.

Price adjustment and vacancies on theStockholm market ? Estimation of rent levelsdue to office-allocations

The Stockholm office market segment have for a long time been considered a safe havenwhen it comes to withstand negative turmoil in the form of rental compression due toeconomic fluctuation, especially in the CBD demographic. Recently however, a large numberof banks and institutions, amounting to some 200000 square meters, have decided to relocateto more peripheral locations with the aim of cost reductions on rent. This mass exodus isstudied with focus on rental dynamics as the result of increased vacancies. Other variables arestock changes and employment. The method is econometric combined with an interviewseries.

Frekvensreglering i det nordiska kraftsystemet

Svenska Kraftnät is (together with the other transmission system operators of the Nordic power system) responsible for keeping balance between the generated and demanded power in the Nordic power system. Spontaneous load variations and system disturbances, however, lead to power imbalance followed by frequency variations. The frequency deviations can be limited to an acceptable level by the spinning reserve, mainly by hydro power control. But there are also other system properties which have a great influence on the frequency and system stability. The frequency and voltage dependence of the loads have a direct influence on the power balance.

Någonting mystiskt händer i Sjumilaskogen: En kulturpolitisk analys av TV-reklam riktad till barn på TV 4 och Kanal 5

The aim of this Masters thesis is to review Swedens unique law against TV-commercials intended for children under twelve years old. The law has to be abided by TV 4, but not by Kanal 5, so the aim is also to compare TV 4 and Kanal 5 and to see in what different ways commercials are shaped in the two channels. The cultural policy analysis is based on our aim and problem. We have also had the terms semiotic and intermediality in mind together with a model made by the researcher in semiotics Roman Jakobson. The model consists of six different communicative functions.

3D-modellering i AutoCAD -att skapa en digital huskonstruktion

3D-modelling in AutoCAD This thesis is done in cooperation with LB-Hus in Bromölla, and have aimed to establish a digital AutoCAD model of one of the company?s house types and to find out what opportunities there are to do visualisations in the form of images directly from the programme. Modeling has been carried out so that the very construction of the house is included. Interiors and installations, with the exception of the ventilation system, have been left out in the model. The model has been created with solid models after a comparative study made between solid models and surface models to find out which option in this case was the easiest to handle and took up the least space.

Utvärdering av Capcals förmåga att beräkna framkomlighet

Performance of an intersection affects the total travel time in a traffic network. An intersection with good performance can easily be described by its contribution to lower travel time than in a comparable intersection. The travel time is of importance in the cost calculations when a specific intersection is to be chosen and designed. It is important to be able to make correct and precise performance calculations so that the cost calculations will not be incorrect. For that purpose the software Capcal, which is a traffic model for intersection analysis on performance, is used in Sweden.

Rocchio, Ide, Okapi och BIM : En komparativ studie av fyra metoder för relevance feedback

This thesis compares four relevance feedback methods. The Rocchio and Ide dec-hi algorithms for the vector space model and the binary independence model and Okapi BM25 within the probabilistic framework. This is done in a custom-made Information Retrieval system utilizing a collection containing 131 896 LA-Times articles which is part of the TREC ad-hoc collection. The methods are compared on two grounds, using only the relevance information from the 20 highest ranked documents from an initial search and also by using all available relevance information. Although a significant effect of choice of method could be found on the first ground, post-hoc analysis could not determine any statistically significant differences between the methods where Rocchio, Ide dec-hi and Okapi BM25 performed equivalent.

I skenet av en lampa - En studie om täljstenslampan utifrån Thulemänniskornas världsbild

Abstract? ?there is no reason?to assume that prehistorians cannot study ancient symbolism and beliefs. The question remains, however, how best to study symbolism within the material confines of archaeological research?(Fogelin 2007:63)With my essay I would like to bring up the meaning of the soapstonelamp for the Thule culture in Greenland. Humans in the arctic area, from the same in the north of Scandinavia to the inuites in Greenland, have a common way of viewing the world that stems from anemismen.

Modellbaserad drivlinereglering

A cars powertrain consists of everything that is needed for its propulsion. The components in the driveline that transfer the power from the engine to the driven wheels are not absolutely stiff, hence they will wind up due to the torque and act as torsion springs. If you suddenly demand a bigger torque by stepping on the accelerator pedal, a so called tip in manoeuvre, and that torque is acquired from the engine as quickly as possible, the driveline will not be able to transfer that fast torque change due to its weakness and as a result it will start to oscillate. These oscillations will be transferred to the driven wheels and make the car to accelerate jerkily which will be experienced as uncomfortable by the passengers. Furthermore, there is a backlash in the driveline that will make the weakness in the driveline even more excited than it should have been if the backlash did not existed.To avoid too big problems with these oscillations there is a control system that controls the demanded torque.

Termomekanisk utmattning av Sanicro 25 : Materialmodellering med finita elementmetoden

The report aims to describe the austenitic stainless steel Sanicro 25 from a thermomechanical point of view. The thermal and mechanical properties of the material make it suitable for use in coal ? and thermal power plants. By the use of Sanicro 25 it would be possible to bring the efficiency of these plants up while bringing the carbon emissions down.A material model is created from material testing and validated through simulation in the finite element software Abaqus. The model that has been derived describes the material behavior during loading and stress relaxation for the first cycle in a thermomechanical fatigue test well.

Patienters och anhörigas upplevelser och åsikter vid omvårdnaden av Anorexia Nervosa samt olika behandlingsformer

The object with the study of this literature was to describe differente programs of care and patients and relatives experience and opinion about the caring for patients with Anorexia Nervosa. The method the author used was a descriptive literature study based on imperial studies. The studies were based on 15 scientific articles within the chosen field. The results shows that these patients hade special needs to be seen and heard as individuals, involved in their own treatment, and have good contact with the caring staff. The study also shows which methods were mostly appreciated involving nurses, patients and relatives.

Kreditklassning av aktiebolag i Sverige, en logistisk regression

Predicting corporate failure is an increasingly important topic in the world of economics today. This paper, with the help of the credit ranking company Syna AB, aims to investigate a few different statistic strategies to do just that. This task is accomplished by using a data material of 250 000 Swedish companies divided into two subsamples. The first sample is used to develop the model and the second as a validation sample. The model developing sample holds 160 000 companies divided into five different subgroups based on size and age.

Utveckling av lastmodell för Uppsala fjärrvärmenät

The aim of this study was to develop a load prognosis model for Uppsala district heating system to be used as a tool for heat production optimization. The methodwas to build three models for the different customer types; housing, industry andoffices and then scale them for the total system using data from Uppsala districtheating system. The heat load consists of two parts, one that is temperaturedependent and one that is dependent of the social behavior of the customers. Thetemperature part was modelled with an ARX model using an outdoor temperatureprognosis as input signal. The social behavior part was modelled using the mean ofthe social behavior from some days before and additionally by distinguishing betweenweekdays and weekends.

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