Real-time rendering is a technology that deals with the creation and analysis of real-time images in computer graphics. This enables better visualization of photorealistic or moving graphics in 3D, for example in product presentations and video games. At the same time, rendered images allow direct interaction.
Rendering refers to playback and transmission, converting programmed data sets into two- and three-dimensional images. Computers now render simple replicas such as lines, images or corners independently. However, with modern 3D visualization, the process becomes considerably more complicated, especially in the case of animations, product images and computer games. Rendering consists of a calculation to convert the scene of an approximation into a finished 2D or 3D image. All textural, photometric and spatial information is combined, for example on the material properties or lighting of a product.
Such a representation is significantly more complex and requires a very high computing power in order to achieve the desired quality as a result. With suitable software and the required settings, the calculation runs without delay. It converts a design or scene into photo-realistic 2D images or 3D motifs, allowing real-time viewing of movement. This is important for animations, computer games and videos. This technology is also interesting for designers and architects who want to present a product or construction project and who, instead of 2D plans and sketches, can show a better idea of the future project through a 3D representation.
Already in the development and planning phase, the visualization conveys a true-to-nature picture. Good rendering of the images shows the potential of the overall project right from the start. Each design can be animated interactively by rendering, for example by converting the models or moving the figures, illustrations or image content.
Rendering enables faster presentations. Designers, architects and engineers use tailor-made software that allows the process architectures to be utilized and access the programming languages more quickly. Results rendered in real time are almost indistinguishable from a photograph or an animated performance.
Although the effort of rendering in real time is greater, it is worth it for the implementation of projects. The advantages are evident in the following points:
• Interactive presentation of objects and application
• 3D visualization
• Direct communication with the viewer
• Seamless workflows
• Rapidly replicate the images on the computer
• Any change of the 3D objects (size, materials, surfaces, lighting)
Rendering allows objects to be presented in context and in an interactive flow. It is associated with a better visualization of what the project will look like in the end. The technology is useful for film production, for animations, games and walkthroughs. They are also frequently used by architects and designers who want to visualize projects, infrastructure, vehicle types, buildings or products and present them in a photorealistic way. In complex campaigns, designers in particular need an idea of how the product will look in reality, for example how the materials will work or how it will interact with light.
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