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COLLADA Overview - The Khronos Group Inc

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The intermediate language provides comprehensive encoding of visual scenes including: geometry, shaders and effects, physics, animation, kinematics, and even multiple version representations of the same asset.COLLADA FX enables leading 3D authoring tools to work effectively together to create shader and effects applications and assets to be authored and packaged using OpenGL® Shading Language, Cg, CgFX, and DirectX® FX. </p> <div class="bluebox"> <h2>COLLADA at a glance</h2> <p>COLLADA defines an XML Namespace and database schema to make it easy to transport 3D assets between applications without loss of information, enabling diverse 3D authoring and processing tools to be combined into a content production pipeline.</p> <h3>COLLADA 1.5</h3> <p>COLLADA 1.5 is the newest specification that provides all of the features found in the stable COLLADA 1.4 schema plus several new features that enable users of CAD, GIS, and Automation applications to enjoy the benefits of open standard royalty free content format.</p> <ul> <li><a href="https://www.khronos.org/files/collada_spec_1_5.pdf">COLLADA 1.5.0 Specification</a></li> <li><a href="https://www.khronos.org/files/collada_1_5_release_notes.pdf">COLLADA 1.5.0 Release Notes</a></li> <li><a href="https://www.khronos.org/files/collada_spec_1_5_0_jp.pdf">COLLADA 1.5.0 Specification in Japanese</a></li> <li><a href="https://www.khronos.org/files/collada_1_5_release_notes_jp.pdf">COLLADA 1.5.0 Release Notes in Japanese</a></li> <li><a href="https://www.khronos.org/files/collada_schema_1_5">COLLADA 1.5.0 Schema</a> (includes B-rep, geolocation, and OpenGL ES 2.0 Profile)</li> </ul> <h3>COLLADA 1.4</h3> <p>COLLADA 1.4 is the stable release of the specification that has been widely adopted by the video game, digital entertainment, and GIS industries. This version of COLLADA supports geometry meshes, skinning, morphing, animation, physics, shaders and effects.</p> <ul> <li><a href="https://www.khronos.org/developers/reference-cards/">COLLADA 1.4 Schema Reference Card</a></li> <li><a href="https://www.khronos.org/files/collada_spec_1_4.pdf">COLLADA 1.4.1 Specification</a> (Second edition)</li> <li><a href="https://www.khronos.org/files/collada_1_4_release_notes.pdf">COLLADA 1.4.1 Release Notes</a> (Second edition)</li> <li><a href="https://www.khronos.org/files/collada_spec_1_4_1_jp.pdf">COLLADA 1.4.1 Specification in Japanese</a></li> <li><a href="https://www.khronos.org/files/collada_1_4_release_notes_jp.pdf">COLLADA 1.4.1 Release Notes Revision B in Japanese</a></li> <li><a href="https://www.khronos.org/files/collada_schema_1_4_1.xsd">COLLADA 1.4.1 Schema (includes OpenGL ES Profile)</a></li> <li><a href="https://www.khronos.org/files/collada_schema_1_4_1_ms.xsd">COLLADA 1.4.1 Schema (updated for microsoft XSD)</a></li> <li><a href="https://www.khronos.org/conformance/adopters/">COLLADA 1.4 Implementers package</a></li> </ul> </div> <h2>COLLADA Community</h2> <p>The Khronos Group is host to the <a href="https://www.khronos.org/collada/wiki">COLLADA community wiki</a> where users and adopters from around the world visit to ask questions and share their COLLADA knowledge and test content. There are also a growing number of open source software projects that can help you to develop your COLLADA applications more quickly:</p> <ul> <li><a href="https://github.com/khronosGroup/OpenCOLLADA/">OpenCOLLADA hosted on Github</a></li> <!--<li><a href="http://sourceforge.net/projects/collada-dom">COLLADA Document Object Model (DOM) (also includes RT, FX, and Refinery tools)</a></li>--> </ul> <h2>COLLADA enables content creation pipelines</h2> <p>COLLADA supports all the features that modern 3D interactive authoring applications and DCC (digital content creation) tools need to exchange and fully preserve asset data and meta data. its The COLLADA feature set is expanding to incorporate technologies such as packaging programmable shader effects and controlling real-time physics engines. COLLADA enables powerful content creation pipelines that can automatically condition and scale 3D geometry and texture assets for real-time playback on a wide diversity of platforms. </p> <ul><li><strong>COLLADA transports 3D assets between applications</strong> <br> Enables binding of diverse DCC and 3D processing tools into a production pipeline</li> <li><strong>COLLADA is a XML database schema for 3D assets</strong> <br> COLLADA is an intermediate language - not a delivery format and not a scene graph</li> <li><strong>COLLADA can be lossless</strong> <br> Retains all information - even multiple versions of the same asset</li> <li><strong>COLLADA has comprehensive encoding of visual scenes</strong> <br> Including geometry, animation, shaders and physics</li> <li><strong>COLLADA is an open, archive-grade format that retains meta information</strong> <br> When your DCC tool upgrades, you keep your assets </li> </ul> <h2>What's New in COLLADA 1.5?</h2> <p><strong>Core Feature Enhancements</strong></p> <ul> <li>B-rep geometry</li> <li>Kinematics</li> <li>Asset Geolocation</li> <li>Compressed Archives (.ZAE Zipped Exchange Archive format)</li> <li>Node proxies (Level of Detail and Streaming)</li> <li>Improved XML Schema data typing and validation</li> </ul> <p><b>COLLADA FX</b><br /> </p> <ul> <li>OpenGL ES 2.0 Profile</li> <li>Bridge Profile to external systems: DirectX FX and CgFX</li> <li>Improved texture binding and full screen effects</li> </ul> <h2>COLLADA 1.4 Features</h2> <p><strong>Core Feature Enhancements</strong></p> <ul> <li>Mesh geometry </li> <li>Skinning </li> <li>Morphing </li> <li>Animation </li> <li>Assets </li> <li>Data validation </li> </ul> <p><strong>COLLADA FX</strong><br> COLLADA FX is the first cross-platform standard shader and effects definition written in XML. It targets high-end systems running OpenGL Shading Language (GLSL) and Cg (HLSL coming), as well as resource-constrained systems (OpenGL ES 1.x profile). It provides:</p> <ul> <li>Next generation lighting, shading and texturing </li> <li>High level effects and shaders </li> <li>Support for all shader models (1.x, 2.0, 3.0) under CG and GLSL profiles. </li> </ul> <p><b>COLLADA Physics</b></p> <ul> <li>Rigid Body Dynamics</li> <li>Rag Dolls</li> <li>Contraints</li> <li>Collision Volumes</li> <li>Enables data interchange between <a href="http://www.havok.com/">Havok</a>, <a href="http://www.continuousphysics.com/Bullet/">Bullet</a>, <a href="http://www.ode.org">ODE</a> and other game physics middleware</li> </ul> <h2>COLLADA and glTF 3D Asset Formats</h2> <figure class="caption"><img src="/assets/uploads/apis/2017-collada-gltf-positioning.png" alt="COLLADA and glTF 3D Asset Formats Positioning Statement" class="img-responsive"></figure> <p><a class="btn btn-primary" href="/gltf">Learn about glTF</a></p> </div> </div> <div class="section_sidebar"> <nav class="quick_links"> <div class="h4" style="padding-bottom:0.9em"><span><i 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href="https://community.khronos.org/t/labview-exported-dae-contains-data-but-renders-blank/110599">LabVIEW exported DAE contains data, but renders blank</a></li> <li><a href="https://community.khronos.org/t/link-error-when-compiling-collada-dom/110089">Link error when compiling collada-dom</a></li> <li><a href="https://community.khronos.org/t/applying-simplifying-the-skinning-in-a-dae/109720">Applying/simplifying the skinning in a DAE</a></li> <li><a href="https://community.khronos.org/t/set-line-width-in-collada-for-viewing-in-google-earth/109243">Set line width in COLLADA for viewing in Google Earth</a></li> </ul> <ul> <li><a class="read_more" href="https://community.khronos.org/" rel="external">Visit Community Forums</a></li> <li><a href="https://khr.io/khrdiscord">Visit Khronos Discord</a></li> <li><a href="https://discord.gg/vulkan">Visit Vulkan Discord</a></li> </ul> </div> </article> <article class="col-sm-4"> <div> <h2>Related News</h2> <ul> <li><a 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