Open Cascade Technology: Difference between revisions

Revision as of 11:58, 18 August 2021

Revision as of 13:42, 22 August 2021

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| platform =

| genre = [[Computer-aided design|CAD]], [[Computer-aided manufacturing|CAM]], [[Computer-aided engineering|CAE]]

| license = [[GNU Lesser General Public License|LGPL-2.1-only]]<ref>{{cite 2web|url=http://git.1dev.opencascade.org/gitweb/?p=occt.git;a=blob;f=README.txt|title=README.txt}}</ref> with exception<ref name="licensing" />

| website = {{URL|www.opencascade.com/content/open-source-core-technology}}<br>{{URL|dev.opencascade.org}}

}}

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'''Open Cascade Technology''' (OCCT), formerly called ''CAS.CADE'', is an [[open-source software]] development platform for 3D [[Computer-aided design|CAD]], [[Computer-aided manufacturing|CAM]], [[Computer-aided engineering|CAE]], etc. that is developed and supported by [[Open Cascade|Open Cascade SAS]].

OCCT is a full-scale [[Boundary representation|B-Rep (Boundary representation)]] modeling toolkit. OCCT is available under the [[GNU Lesser General Public License|LGPL-2.1-only]] license permitting its usage in open source and proprietary applications.

==History==

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|2014-04-30

|

* '''License has been changed to [[GNU_Lesser_General_Public_LicenseGNU Lesser General Public License|LGPL-2.1-only]] 2with additional exception.1'''.<ref name="licensing" />

* Built-in GPU-accelerated Ray-Tracing rendering engine<ref>{{Cite web|title=Ray tracing as alternative rendering method for OCCT visualization component - Forum Open Cascade Technology|url=https://dev.opencascade.org/content/ray-tracing-alternative-rendering-method-occt-visualization-component|access-date=2021-08-18|website=dev.opencascade.org}}</ref> using [[OpenCL]].

|-

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=== License change ===

Since 18 December 2013 with version 6.7.0 Open Cascade Technology is available under the [[LGPL]]GNU Lesser General Public License|LGPL-2.1-only]] with additional exception.<ref name="licensing">{{cite web|url=https://dev.opencascade.org/resources/licensing/|title=OCCT license}}</ref><ref>[https://dev.opencascade.org/index.php?q=node/908 OCCT license change]</ref> Versions before that were licensed under the "Open Cascade Technology Public License" which was [[License compatibility|not compatible]] with the [[GPL]]<ref>{{cite web|title=OCCT FAQ|url=https://dev.opencascade.org/resources/faq/|work=dev.opencascade.org|publisher=Open Cascade|access-date=25 June 2021}}</ref> and was considered non-free by the [[Fedora Project|Fedora project]].<ref>{{cite web|last=Callaway |first=Tom |title=Licensing:Main – Bad Licenses |url=https://fedoraproject.org/wiki/Licensing:Main?rd=Licensing |work=fedoraproject.org |publisher=Red Hat, Inc. and others|access-date=18 May 2013}}</ref>