![]() The Edge server has loaded a visualisation of a 3D scene. Using a Canvas element, a web designer can create graphics panels containing many elements such as images, a subset of HTML and 2D vector graphics. HTML5 Canvas also helps in making 2D games.” It is a low level, procedural model that updates a bitmap and does not have a built-in scene graph, but through WebGL it allows 3D shapes and images to be displayed. (From Wikipedia) “allows for dynamic, scriptable rendering of 2D shapes and bitmap images. Introduced in 2005 by Apple, and later adopted by all web browsers, and then finally added to the HTML5 specification, the Canvas element: ![]() In the broadest sense, the most sensible solution is to enable visualisations in Virtalis Reach to also use the browser’s own features. The platform for the Virtalis Reach Client (Yeti) is a standard web browser, and web browsers have evolved and developed a rich feature set over many decades to support rich, interactive 2D experiences. Programming all the functionality to achieve rich interactive 2D UIs from scratch in Virtalis Reach would be extremely time-consuming and it would be difficult to attain a satisfactory product for authors. This allows the visualisation to replicate widgets such as Human-Machine Interface (HMI) control panels, graphical displays, and interactive information sign boards, or have synthetic information sources such as pop-up hints, graphs, and documents. Many visualisations, particularly those for immersive training, need to simulate complex 2D Graphical User Interfaces (GUIs) embedded within the 3D scene. Introducing the Virtalis Reach Canvas Embedded Canvas Elements Please refer to the Visionary Render documentation for further information. Please note: This document includes examples of preparing visualisations using Visionary Render. This document assumes that the reader has experience/knowledge of HTML5 Canvas, Java scripting and Lua scripting.
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