Tracing is the act of copying an image or work of art by drawing over its lines, especially through the use of transparent overlays. [1]
Tracing can provide a way for a person to develop their artistic skills for example when it comes to learning anatomy. It is however frowned upon in many art circles if one only ever traces and it is considered plagiarism.
In 3D computer graphics, ray tracing is a technique for modeling light transport for use in a wide variety of rendering algorithms for generating digital images.
Compulsory figures or school figures were formerly a segment of figure skating, and gave the sport its name. They are the "circular patterns which skaters trace on the ice to demonstrate skill in placing clean turns evenly on round circles". For approximately the first 50 years of figure skating as a sport, until 1947, compulsory figures made up 60 percent of the total score at most competitions around the world. These figures continued to dominate the sport, although they steadily declined in importance, until the International Skating Union (ISU) voted to discontinue them as a part of competitions in 1990. Learning and training in compulsory figures instilled discipline and control; some in the figure skating community considered them necessary to teach skaters basic skills. Skaters would train for hours to learn and execute them well, and competing and judging figures would often take up to eight hours during competitions.
Tracing may refer to:
Ray-tracing hardware is special-purpose computer hardware designed for accelerating ray tracing calculations.
Tracing paper is paper made to have low opacity, allowing light to pass through. Its origins date back to at least the 1300s where it was used by artists of the Italian Renaissance. In the 1880s, tracing paper was produced en masse, used by architects, design engineers, and artists. Tracing paper was key in creating drawings that could be copied precisely using the diazo copy process. It then found many other uses. The original use for drawing and tracing was largely superseded by technologies that do not require diazo copying or manual copying of drawings.
Tracing is a legal process, not a remedy, by which a claimant demonstrates what has happened to his/her property, identifies its proceeds and those persons who have handled or received them, and asks the court to award a proprietary remedy in respect of the property, or an asset substituted for the original property or its proceeds. Tracing allows transmission of legal claims from the original assets to either the proceeds of sale of the assets or new substituted assets.
Tracing in software engineering refers to the process of capturing and recording information about the execution of a software program. This information is typically used by programmers for debugging purposes, and additionally, depending on the type and detail of information contained in a trace log, by experienced system administrators or technical-support personnel and by software monitoring tools to diagnose common problems with software. Tracing is a cross-cutting concern.
RETAS is a 2D animation software bundle developed and sold by Celsys that is available for Microsoft Windows and Mac OS X. It handles the entire animation production from digitally drawing or tracing to exporting in Flash and QuickTime, and is considered to be a leader in Japan's anime industry including Toei Animation. RETAS was later succeeded by Clip Studio Paint.
The archaeological site Peñas de Cabrera, containing numerous rock shelters, is located in the municipality of Casabermeja (Spain). The entire surrounding area of Las Peñas de Cabrera, rife with natural minerals, rocks and fossils, is named after one of its districts of the same name. The entire complex of mountains and valleys consists of many shelters revealing rock art of paintings and engravings.
COVID-19 apps include mobile-software applications for digital contact-tracing—i.e. the process of identifying persons ("contacts") who may have been in contact with an infected individual—deployed during the COVID-19 pandemic.
BlueTrace is an open-source application protocol that facilitates digital contact tracing of users to stem the spread of the COVID-19 pandemic. Initially developed by the Singaporean Government, BlueTrace powers the contact tracing for the TraceTogether app. Australia and the United Arab Emirates have already adopted the protocol in their gov apps, and other countries were considering BlueTrace for adoption. A principle of the protocol is the preservation of privacy and health authority co-operation.
TraceTogether was a digital system implemented by the Government of Singapore to facilitate contact tracing efforts in response to the COVID-19 pandemic in Singapore. The main goal was a quick identification of persons who may have come into close contact with anyone who has tested positive for COVID-19. The system helps in identifying contacts such as strangers encountered in public one would not otherwise be able to identify or remember. Together with SafeEntry, it allows the identification of specific locations where a spread between close contacts may occur.
COVIDSafe was a digital contact tracing app released by the Australian Government on 26 April 2020 to help combat the ongoing COVID-19 pandemic. The app was intended to augment traditional contact tracing by automatically tracking encounters between users and later allowing a state or territory health authority to warn a user they have come within 1.5 metres with an infected person for 15 minutes or more. To achieve this, it used the BlueTrace and Herald protocol, originally developed by the Singaporean Government and VMWare respectively, to passively collect an anonymised registry of near contacts. The efficacy of the app was questioned over its lifetime, ultimately identifying just 2 confirmed cases by the time it was decommissioned on 16 August 2022.
The Temporary Contact Numbers Protocol, or TCN Protocol, is an open source, decentralized, anonymous exposure alert protocol developed by Covid Watch in response to the COVID-19 pandemic. The Covid Watch team, started as an independent research collaboration between Stanford University and the University of Waterloo was the first in the world to publish a white paper, develop, and open source fully anonymous Bluetooth exposure alert technology in collaboration with CoEpi after writing a blog post on the topic in early March.
Decentralized Privacy-Preserving Proximity Tracing is an open protocol developed in response to the COVID-19 pandemic to facilitate digital contact tracing of infected participants. The protocol, like competing protocol Pan-European Privacy-Preserving Proximity Tracing (PEPP-PT), uses Bluetooth Low Energy to track and log encounters with other users. The protocols differ in their reporting mechanism, with PEPP-PT requiring clients to upload contact logs to a central reporting server, whereas with DP-3T, the central reporting server never has access to contact logs nor is it responsible for processing and informing clients of contact. Because contact logs are never transmitted to third parties, it has major privacy benefits over the PEPP-PT approach; however, this comes at the cost of requiring more computing power on the client side to process infection reports.
NHS COVID-19 was a voluntary contact tracing app for monitoring the spread of the COVID-19 pandemic in England and Wales, in use from 24 September 2020 until 27 April 2023. It was available for Android and iOS smartphones, and could be used by anyone aged 16 or over.
COVID Alert was the Exposure Notification service app for the country of Canada. It launched in the province of Ontario on July 31, 2020, and became available in nearly all Canadian provinces by October of that year, excluding Alberta, and British Columbia.
SwissCovid is a COVID-19 contact tracing app used for digital contact tracing in Switzerland. Use of the app is voluntary and based on a decentralized approach using Bluetooth Low Energy and Decentralized Privacy-Preserving Proximity Tracing (dp3t).
Valtrace is a contact tracing platform used in Valenzuela, Metro Manila. Its current role is to replace paper forms that increases possible contact with the virus. Valtrace uses QR code technology to provide contact-less tracing within the city. People who are going into the city's establishments should register to the program, in order to enter the establishment.
Test, Trace, Protect is a government-funded service in Wales, first published on 13 May 2020 by the Welsh Government to track and help prevent the spread of COVID-19. Its aim is to "enhance health surveillance in the community, undertake effective and extensive contact tracing, and support people to self-isolate".
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