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| DMelt creates high-quality vector-graphics images (SVG, EPS, PDF etc.) that can be included in LaTeX and other text-processing systems. | | DMelt creates high-quality vector-graphics images (SVG, EPS, PDF etc.) that can be included in LaTeX and other text-processing systems. |
| | The program runs on Windows, Linux, Mac and the [[Android (operating system)|Android]] platforms. The package for the Android is called AWork. |
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| ==History==
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| DataMelt has its roots in [[particle physics]] where data mining is a primary task. It was created as [[jHepWork]] project in 2005 and it was initially written for data analysis for [[particle physics]]<ref>
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| HEP data analysis using jHepWork and Java, arXiv:0809.0840v2, ANL-HEP-CP-08-53 preprint. CERN preprint, [https://arxiv.org/abs/0809.0840/ arXiv:0809.0840v2]
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| </ref> using the [[Java (programming language)|Java]] software concept for [[International linear collider|International Linear Collider]] project developed at [[SLAC]]. Later versions of jHepWork were modified for general public use (for scientists, engineers, students for educational purpose) since the International Linear Collider project has stalled. In 2013, jHepWork was renamed to DataMelt and become a general-purpose community-supported project.
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| The main source of the reference is the book "Scientific Data analysis using Jython Scripting and Java"
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| Scientific Data analysis using Jython Scripting and Java. Book. By S.V.Chekanov, Springer-Verlag, ISBN 978-1-84996-286-5, [https://www.springer.com/us/book/9781849962865]
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| </ref>
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| which discusses data-analysis methods using [[Java (programming language)|Java]] and [[Jython]] scripting.
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| Later it was also discussed in the German Java SPEKTRUM journal
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| DataMelt – Werkbank für technisch-wissenschaftliche Berechnungen und Visualisierungen mit Java und Jython. by Rohe Klaus. Java SPEKTRUM. (in German) volume 5 (2013) 26-28 [https://www.sigs-datacom.de/fachzeitschriften/javaspektrum/archiv/artikelansicht/artikel-titel/integrationsspektrum-scavis-werkbank-fuer-technisch-wissenschaftliche-berechnungen-und-visualis.html]
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| </ref>.
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| The string "HEP" in the project name "jHepWork" abbreviates "High-Energy Physics". But due to a wide popularity outside this area of physics, it was renamed to [[SCaViS]] ('''S'''cientific '''C'''omputation and '''Vis'''ualization Environment). This project existed for 3 years before it was renamed to DataMelt (or, in short, DMelt).
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| DataMelt is hosted by the jWork.ORG portal<ref> jWork.ORG Community Portal focused on Java scientific software. [http://jwork.org/main/]</ref>
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| ==Supported platforms==
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| DataMelt runs on Windows, Linux, Mac and the [[Android (operating system)|Android]] platforms. The package for the Android is called AWork.
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| ==Documentation==
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| DataMelt is extensively documented. In 2018, the web page of this project contained about 600 examples written in Jython, Java, Groovy, JRuby, covering a number of fields, from general mathematics to data mining and data visualization. The Java API documentation includes the description of more than 40,000 Java classes. In addition,
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| there is a wiki documentation. The documentation includes certain restrictions for general public due to the proprietorial nature of the documentation project.
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| ==License terms==
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| DataMelt is licensed by [[Freemium]] license.
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| The core source code of the numerical and graphical libraries is licensed by the [[GNU General Public License]]. The interactive development environment (IDE) used by DataMelt has some restrictions for commercial usage since language files, documentation files, examples, installer, code-assist databases, interactive help are licensed by the creative-common license. Full members of the DataMelt project have several benefits, such as: the license for a commercial usage, access to the source repository, an extended help system, a user script repository and an access to the complete documentation.
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| The commercial licenses cannot apply to source code that was imported or contributed<ref>{{cite web|url=http://jwork.org/wiki/DMelt:Dev/Contributions|title=Contributed Packages (DataMelt Manual)}}</ref> to DataMelt from other authors.
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