Hi Bill. Just did a web search and Wikipedia comes up with this:
WebGL (Web Graphics Library) is a JavaScript <https://en.wikipedia.org/wiki/JavaScript> API <https://en.wikipedia.org/wiki/Application_programming_interface> for rendering interactive 2D and 3D graphics within any compatible web browser <https://en.wikipedia.org/wiki/Web_browser> without the use of plug-ins <https://en.wikipedia.org/wiki/Plug-in_(computing)>.[2] <https://en.wikipedia.org/wiki/WebGL#cite_note-2> WebGL is fully integrated with other web standards <https://en.wikipedia.org/wiki/Web_API>, allowing GPU-accelerated usage of physics and image processing and effects as part of the web page canvas. WebGL elements can be mixed with other HTML elements and composited with other parts of the page or page background.[3] <https://en.wikipedia.org/wiki/WebGL#cite_note-3> WebGL programs consist of control code written in JavaScript and shader <https://en.wikipedia.org/wiki/Shader> code that is written in OpenGL ES Shading Language <https://en.wikipedia.org/wiki/OpenGL_Shading_Language> (GLSL ES), a language similar to C <https://en.wikipedia.org/wiki/C_(programming_language)> or C++ <https://en.wikipedia.org/wiki/C%2B%2B>, and is executed on a computer's graphics processing unit <https://en.wikipedia.org/wiki/Graphics_processing_unit> (GPU). WebGL is designed and maintained by the non-profit <https://en.wikipedia.org/wiki/Non-profit_organization> Khronos Group <https://en.wikipedia.org/wiki/Khronos_Group>.[4] <https://en.wikipedia.org/wiki/WebGL#cite_note-WebGLWebsite-4> > On 8 Mar 2019, at 1:02 pm, Juliet Kitson <[email protected]> wrote: > > Hello All > I am using Heaven above ISS tracker part of it informs me my computer does > not support WEBGL does any one what this and how do get it. > Macbook air late 2013 > 10.14.3 > Regards Bill > > -- The WA Macintosh User Group Mailing List -- > Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> > Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> > Settings & Unsubscribe - > <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug> Regards, Stephen Chape
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