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OpenCascade's XDE for DXF drawing generator

Author: Sergey Slyadnev

Preface

XDE stands for the eXtended Data Exchange module provided by the open-source OpenCascade kernel for representing CAD assemblies and engineering metadata. Other names that are sometimes used for the same thing are XCAF, and even DECAF (Data Exchange CAF).

Open CASCADE Technology 7.6.3 maintenance release

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Open Cascade is pleased to announce that the next Open CASCADE Technology (OCCT) maintenance release (version 7.6.3) is prepared.

The sources of Open CASCADE Technology 7.6.3 are available under the V7_6_3 tag in the OCCT repository.

This maintenance release fixes the following critical problems:

Open CASCADE Technology 7.6.2 maintenance release

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Open Cascade is pleased to announce that the next Open CASCADE Technology (OCCT) maintenance release (version 7.6.2) is prepared.

The sources of Open CASCADE Technology 7.6.2 are available under the V7_6_2 tag in the OCCT repository.

This maintenance release fixes the following critical problems:

Open Cascade is hiring in France and Portugal

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 engineering and manufacturing! Deep industrial expertise allows Open Cascade to work with the world’s leading players in Oil and Gas, Marine, Energy, Special-purpose Machinery, Metrology and Quality Control or Telecommunications sectors.

Open CASCADE Technology presentation at FOSDEM 2022

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 the third time. This year the presentation “Open CASCADE Technology (OCCT) Status Update” included two major topics: the main OCCT 7.6.0 release features and new opportunities for OCCT community.

Open CASCADE Technology 7.6.1 maintenance release

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Open Cascade is pleased to announce that the next Open CASCADE Technology (OCCT) maintenance release (version 7.6.1) is prepared.

The sources of Open CASCADE Technology 7.6.1 are available under the V7_6_1 tag in the OCCT repository.

This maintenance release fixes the following critical problems:

TKOpenGl Frame Render Graph

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This article provides a high-level overview of a frame rendering graph implemented by TKOpenGl (OpenGl_GraphicDriver). Although it is named here as a “graph”, it’s not that flexible and the overall structure looks pretty flat, as could be seen later on diagrams.

Article might be useful to OCCT developers and to advanced OCCT users wanting to learn more about low-level OpenGL rendering aspects of OCCT 3D Viewer, to see a better correlation between high-level (AIS) and low-level (OpenGl) layers, to figure out how and where to implement tricky effects or to understand how to optimize application rendering performance.


Open CASCADE Technology 7.6.0 released

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Open Cascade is pleased to announce a new public release of Open CASCADE Technology (version 7.6.0).

Open CASCADE Technology version 7.6.0 is a minor release, which includes more than 410 improvements and corrections over the previous minor release 7.5.0.

Version 7.6.0 introduces new features of most OCCT modules and components.

Explore Open CASCADE Technology-based research articles

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. It gathers hundreds of research and scientific articles from prominent universities and organizations in more than 40 countries.