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Technical discussions preserved from the public OCCT community forum.
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Showing 60 discussions, ordered by the latest archived activity.
Dear OCCT community, We would like to inform you about upcoming changes to the Open CASCADE Technology collaborative development portal at dev.opencascade.org . In the coming weeks, the website and its public forum will be switched to read-only mode . After this change, it will no longer be possible
OCCT 8.0 will introduce BRepGraph - a new way to work with B-Rep topology. Instead of traversing shape trees with TopExp_Explorer and building indexed maps for every adjacency query, BRepGraph stores topology as flat entity vectors with O(1) reverse indices. Edge-to-face, vertex-to-edge, wire-to-fac
Dear OCCT Community and Partners, We are writing to inform you of upcoming changes to the infrastructure. As part of our commitment to modernizing our development workflow, we are transitioning our legacy systems to more sustainable platforms. Please review the following details regarding the Bug Tr
Dear Community, We are pleased to announce that OCCT 8.0.0 is planned for release in the first quarter of 2026 . This release marks a significant milestone for the platform. Beyond new features, version 8.0.0 represents a major step forward regarding the stability and long-term maintainability of th
The Road to OCCT 8.0.0 As we ramp up development for Open CASCADE Technology 8.0.0 , we are looking at a unique opportunity. Major releases are the right time to introduce breaking changes that improve the long-term health, performance, and usability of the library. We have our own internal roadmap
A look behind the scenes at the technical shifts shaping the next major release: Modern C++: Shifting to C++17, native types ( double , int ), and standard STL. Refactoring: Introduction of the occ:: namespace and std::optional for cleaner architecture. Performance: Removing deprecated math wrappers
Hello, I would like to share more details about the ongoing OCCT3D (Open Cascade Technologies 3D) 7.9.0 release. The main topic for today is the changes that will impact the Data Exchange (DE) part of the OCCT project. In this context, DE refers to Import/Export operations with CAD formats. The Data
We are excited to announce a significant new release for our commercial C# Wrapper for OCCT3D, packed with improvements designed to streamline your .NET development process and enhance your application’s capabilities. This update focuses on stability, increased coverage, and, most importantly, a sim
We've enhanced OCCT3D's Advanced Data Exchange capabilities with import and export support for two critical formats: STEPXML and USD. This update is designed to give your applications a powerful advantage: - Advanced STEPXML Integration - Seamlessly manages modern, XML-based engineering data (.stpa,
CADRays is a fast GPU accelerated, unbiased physically-based renderer. It is based on the industrial photorealistic rendering solution by OPEN CASCADE. With CADRays, you can see (or show to others!) how your product will look in reality just having a digital model of a product. And physical correctn
We are pleased to announce the release of Added Value Components compatible with Open CASCADE Technology 7.9.0. This update delivers more then 100 enhancements and fixes since the previous release. What's New in Version 7.9.0 New Components USD Exchange : New import/export component supporting: Mesh
Dear OCCT Community, We're pleased to announce that OCCT 8.0 will be released at the start of 2026. In preparation for this major release, we want to share some important information: Version Changes and Repository Restructuring API Stability Commitment : We're committed to maintaining API stability
Dear OCCT3D Community, We are pleased to publish a new guide on Data Exchange (DE) and DRAW Commands in OCCT ! This guide provides an in-depth overview of importing, exporting, debugging, and processing CAD data within OCCT. Whether you're working with STEP, IGES, BREP, or other formats, this resour
All DataExchange components are now have single structure and logic. The single API combined by DE Wrapper abilities. And we are prepare the preview of the commercial software, that we are offering: OCCT-Components/Exchange at main · Open-Cascade-SAS/OCCT-Components New repository planning to have m
There are duplicates of OpenCascade websites circulating online. For example: "https://www.opencascade_cc/" (not for clicking). Please avoid sharing personal information and refrain from using unofficial resources. You are welcome to visit the official OpenCascade website. Official Code Repositories
Dear OCCT community, The GitHub Action workflow has been updated to provide building validation on: Windows (Clang/MSVC/MinGW) MacOS (GCC/Clang) Ubuntu (GCC/Clang) A full compilation validation cycle is initiated only upon integration of the weekly integration branch (IR) into the master branch. Eac
Dear OCCT Community, We are excited to announce that OCCT 7.9 will feature a fully automated code formatting system! This significant update will enforce a consistent code style across the entire OCCT codebase, improving readability and maintainability. *_The pull request implementing these changes
The OCCT3D development team is pleased to announce the upcoming release of a new commercial component designed to facilitate the seamless import and export of data using the Universal Scene Description (USD) format. This commercial component will be available starting from February, 2025 for OCCT ve
Dear CAD community, I'm proud to announce I'm taking on a full leadership role in both the administrative and technical areas of OCCT3D. My primary goal is to enhance the OCCT3D solutions and the services we offer. What is OCCT3D? OCCT (Open Source CAD Kernel) is owned by OpenCascade SAS, a part of
Hello dear OCCT collaboration forum community, We are thrilled to announce that the OCCT GitHub repository is now open for Pull Request (PR) integration. For those eager to collaborate with us on GitHub, we have prepared the initial version of our GitHub collaboration workflow. Please note, the curr
Dear OCCT Community, We are pleased to announce that we have integrated GitHub Wiki for our GitHub repository: Home · Open-Cascade-SAS/OCCT Wiki . Home User Guides Specifications Contribution Build and Upgrade Samples RefMan doc can be downloaded from the GitHub artefacts (weekly build): Tests - DRA
We are pleased to announce a major update for the C# wrapper, which includes exciting new features and enhancements. Linux Platform Support The new version of the C# wrapper will be available for Linux OS, expanding its usability across more platforms. Extension of C# Language Support The list of .N
Hello, I would like to share some details about the ongoing OCCT3D (Open Cascade Technologies 3D) 7.9.0 release. The main topic for today is the changes that will impact the *configuration stage of the OCCT project. In this context, configurations refer to preparing the solution for the build stage.
Added-value components are updated to OCCT 7.8.0! We are pleased to announce that the updated versions of our added-value components are now available for download. There releases are compatible with Open CASCADE Technology (OCCT) v.7.8.0. This update of the OCCT components provides around 40 bug fi
Dear OCCT Community, We are excited to announce a significant update to the OpenCASCADE Technology (OCCT). Our development team has introduced new functionality for STEP Import - User Defined Attributes (UDA, Metadata, property), which is now available in the latest master, CR0-WEEK-7 . The official
Dear OCCT Community, We are excited to invite you to participate in our latest initiative to shape the future of the OCCT project. Your valuable insights and experiences are crucial in helping us understand how OCCT is utilized and how we can improve it to better serve your needs. Take a few minutes
Dear Collaborative Development Portal Users, Unfortunately, our forum has become a target for spammers, and we are taking immediate action. To enhance bot protection, we need some time. As a temporary solution, we have disabled all notifications. We apologize for the inconvenience and kindly ask you
Greetings, fellow developers! Today, I'm excited to share a simple yet powerful example showcasing the practical usage of DE_Wrapper for seamless integration of OCCT (Open CASCADE Technology) DE components. This example is designed for both open-source and commercial components, providing a straight
Open Cascade is pleased to announce that the next Open CASCADE Technology (OCCT) minor release (version 7.8.0) is currently in preparation. You can find the "release candidate" sources for OCCT 7.8.0 under the BV7_8_0 tag and CR0-780-beta branch in the OCCT repository (the branch and tag are not fin
Mark your calendars for the fourth quarter of 2023, as we are thrilled to announce the upcoming release of OCCT 7.8.0! The OCCT development team has been hard at work, and this release promises a host of new features and enhancements that will undoubtedly elevate your experience with OCCT. Let's div
We are pleased to announce that the new versions of added-value components are available under Open Cascade Platform . All components were ported and certified to Open CASCADE Technology (OCCT) v.7.7.0. The new release of Open Cascade Platform components provides around 100 bug fixes over the previo
Open Cascade updates Open CASCADE Technology Research and Science publications collection on the OCCT Development portal. The catalogue was enriched with 2021–2022 (till the end of August) works, adding to the collection almost 200 new research articles from prominent universities, scientific instit
Open Cascade presents a new OCCT (Open CASCADE Technology) research and science publications infographics report. The updated version includes 2021-2022 data (till the end of August), adding almost 200 new research articles from world-class universities, scientific institutions, and R&D departments
Dear users of and (or) contributors to Open CASCADE Technology (OCCT)! We, at Open Cascade company, are considering developing video tutorials on OCCT to share with the community. Before preparing the materials, we would like to hear from you and know your opinion. - What subjects and topics for OCC
Open Cascade, which is a part of Capgemini Engineering, opens up job opportunities in the company’s new office in Portugal as well as on existing sites in France. This is a great chance to work with the company’s breakthrough technologies. Take the opportunity to work on unique projects in digital e
Open Cascade presented at FOSDEM 2022! FOSDEM is a worldwide event organized to promote the widespread use of free and open source software. FOSDEM 2022 was fully digital gathering thousands of free and open source software developers from all over the world. Open Cascade participated in FOSDEM for
Dear contributors and users of Open CASCADE Technology (OCCT)! We want to inform you that OCCT Mantis Bug Tracker will be unavailable this Tuesday (December 14, 2021) at 3 pm – 6 pm CET due to its scheduled update to a newer version.
Besides being widely applied in open-source and commercial projects, Open CASCADE Technology (OCCT) is actively used at an academic and research levels around the globe. To provide insight into it Open Cascade launches a new section devoted to OCCT-based research on a renovated Development Portal. I
Being the only open-source full-scale 3D geometry library Open CASCADE Technology (OCCT) is commonly used in academic and research spheres by high-profile organizations all around the world including prominent universities, scientific institutions, and even R&D departments of commercial companies. T
Since its publication as an open-source 3D modeling kernel, Open CASCADE Technology (OCCT) has become a backbone for numerous outstanding projects. We are excited to announce that the marketplace for OCCT-based projects is launched on OCCT Development Portal! The new section aims to present a variet
Having received numerous requests from the open-source community Open Cascade decided to publish free trainings to ease access to Open CASCADE Technology (OCCT). Free presentations available on the recently renewed Development Portal cover Preliminaries, Geometry, and Topology topics. Preliminaries
Open CASCADE Technology (OCCT) testing dataset is published on the renovated developer portal. We’ve received several requests from the users interested in the opportunity to launch OCCT automated testing system with the use of testing shapes in addition to basic OCCT testing options. So far it was
We want to make all Open Cascade users aware that starting from this Tuesday (March 2, 2021) at 8 am CET, there will be scheduled maintenance operations on the following resources: https://old.opencascade.com/forums , dev.opencascade.org and all its subdomains including Git Repository and Issue Trac
Dear users of and (or) contributors to Open CASCADE Technology (OCCT)! We, at Open Cascade company, are considering developing video tutorials on OCCT to share with the community. Before preparing the materials, we would like to hear from you and know your opinion. - What subjects and topics for OCC
Dear users of and (or) contributors to Open CASCADE Technology (OCCT)! We at Open Cascade company are planning to improve our communications with the OCCT community. Before making the first steps and introducing new approaches, we would like to hear from you and know your opinion. Please participate
Dear users of and (or) contributors to Open CASCADE Technology (OCCT)! We at Open Cascade company are planning to improve our communications with the OCCT community. Before making the first steps and introducing new approaches, we would like to hear from you and know your opinion. Please participate
For more than 20 years being always at the forefront of 3D, Open Cascade has gained considerable expertise in geometric modeling - from the development of Open CASCADE Technology modeling kernel and participation as a key software developer together with CEA and EDF in the development of SALOME simu
Hello, We would like to share with you some experience we've had in the beginning of February while visiting FOSDEM 2020 event in Brussels. Archived image: external image Free and Open-source Software Developers' European Meeting (FOSDEM) is an annual non-commercial, volunteer-organized European eve
We are glad to announce the release of the CAD Assistant newest version. It contains a number of new features and improvements that we'd like to tell our customers about. CAD Assistant is an offline 3D viewer and converter for CAD files and meshes. The software is available on Windows, Linux, Androi
Digital mockup (DMU) is an essential ingredient in continuous engineering workflow but it can also bring business value by being streamlined to other enterprise processes such as manufacturing, quality control, maintenance, etc. To serve your various needs efficiently, the DMU often requires adaptat
June 9, 2018 OPEN CASCADE is pleased to announce availability of updated value-added components compatible with Open CASCADE Technology 7.3.0 Starting from this version the improvements and new features will be reported in the Change Log section of user’s guides for components. OPEN CASCADE customer
OPEN CASCADE CAD Assistant is an offline viewer and converter for 3D CAD files and meshes available on Windows, Linux, Android and IOS. We are happy to see that the number of our ANDROID users passed a 100 000 cap in the late 2017, more than doubling in less than one year. The feedback we received f
OPEN CASCADE is pleased to announce availability of updated value-added components compatible with Open CASCADE Technology 7.2.0 This version comes with a set of improvements and new features in all components; the most essential changes are listed below. Advanced Data Exchange Corrected support of
A new version 0.9 of CAD Assistant is available for download. It contains a range of improvements and new features: JT mesh import (without LODs). Option to import multiple models into a single document. Assembly structure is now displayed also for mesh-only files. Improved performance while display
It is difficult to imagine a modern application that does not require visualization. Efficient state-of-the-art 3D visualization is often a synonym for a successful and competitive 3D application. We at OPEN CASCADE have been working for several years to prepare a brilliant and comprehensive visuali
OPEN CASCADE has recently released a new updated version of its CAD Assistant. Version 0.8 is a minor bug-fixes release including the following key changes and updates: Fixed listing of read-only external SD cards on Android 6; Fixed reading of RGBA texture on mobile platforms. Improved robustness a
OPEN CASCADE is pleased to announce CAD Assistant version 0.7 for Android, Windows, and OS X platforms. OPEN CASCADE CAD Assistant is a viewer and converter for 3D CAD and mesh files, free for both personal and commercial use. CAD Assistant is based on open source libraries (Open CASCADE Technology,
OPEN CASCADE is happy and proud to announce the launch of our new re-designed website. This website merges our traditionally separated .com and .org websites into a single user-friendly website that, as we hope, will be simple to understand and navigate. The new website has a greater emphasis on our
OPEN CASCADE is happy to announce availability of CAD Assistant on iOS platform. CAD Assistant is a viewer and converter for CAD files in formats natively supported by OCCT (STEP, IGES, BREP). This application shows the availability of OCCT functionality on a wide range of platforms, now including i
April 3, 2015 OPEN CASCADE is pleased to inform that JT Assistant is now available for Android devices. Find JT Assistant on Google Play https://play.google.com/store/apps/details?id=org.opencascade.jtassistant or visit the Applications page on our web site to download archive: http://www.opencascad