Definition: A virtual environment is a fully computer-generated three-dimensional space in which users can move and interact with objects. It consists of geometry, materials, lighting and interaction logic and is shown in real time: in the browser, on mobile devices, on kiosk terminals or in VR headsets.

In B2B mechanical engineering, examples of virtual environments are: virtual showrooms with the complete product portfolio, virtual factory halls for layout planning, training environments for operators, and digital booths.

Advantage: You can show machines and plants in their spatial context, independent of location, size and construction progress.

English: Virtual Environment (VE)
German: Virtuelle Umgebung, virtuelle Welt, 3D-Umgebung

How It Works

The building blocks of a virtual environment

  1. Geometry: Polygon models of buildings, machines and equipment, derived from 3D models.
  2. Materials and textures: Surfaces such as painted sheet metal, stainless steel or plastic, usually based on the principle of physically based rendering (PBR).
  3. Lighting: Light sources, shadows and reflections. Part of it is precalculated, the rest is calculated in real time.
  4. Interaction: Navigation (walking, teleporting, orbit camera), selection of objects, information hotspots, controls.
  5. Physics: Collisions, gravity and moving parts, for example conveyor belts, doors or robot arms.
  6. Audio: Optional spatial sound, for example machine noises that become quieter with distance.

Display in real time

A render engine calculates the user's view again for each frame (real-time rendering). For the movement to look smooth, a high frame rate is necessary, much higher in VR headsets than on a screen.

Optimization for many devices

Large environments are split into sections that load only when the user enters them. Distant objects appear in simplified detail levels (level of detail), and textures are compressed. Complex lighting can be precalculated in lightmaps, so that tablets and standalone headsets can also show the scene smoothly. This way, an environment that looks detailed on a workstation stays usable on mobile devices.

Output on different platforms

You can use the same environment in different ways, depending on the purpose:

Platform Navigation Level of immersion
Web (desktop) Mouse, keyboard Low
Mobile, tablet Touch Low
Kiosk, large screen Touch, gamepad Medium
VR headset Head and hand movement High

Types of Virtual Environments

Virtual showroom

A freely designed exhibition space without a real model. Architecture, light and visitor routing serve the presentation, and the machines are the focus.

Virtual factory

A replica of a real or planned production hall with machines, conveyor systems and traffic routes. Dimensional accuracy is more important here than appearance.

Training environment

A section of the plant with control panels, switches and processes that behave like on the real machine. The focus is on interaction and logic, not on the whole hall.

Simulation environment

An environment that replicates physical processes, for example material flow, cycle times or robot movements. It serves planning more than presentation.

Building from CAD and Scan Data

CAD data

In engineering, machines are usually available as CAD models. For the virtual environment, they are converted and simplified (CAD to 3D conversion): internal components are removed, polygons are reduced and materials are assigned. At the same time, confidential design details should not end up in the output model.

Scan data

Existing halls and plants are captured with a laser scanner or LiDAR. The point cloud becomes a mesh or a reference for modeling. Photogrammetry, the reconstruction from many photos, is also common.

Combining

A scene combines buildings, machines and interaction. Open formats such as glTF for delivery and OpenUSD for complex scenes make the exchange between tools easier.

B2B Applications

Sales: virtual showroom

A virtual showroom shows the complete machine portfolio in a hall that never has to be built. Sales representatives guide customers through it via screen sharing, or the customer explores the space alone in the browser. Hotspots on the machines open technical data, animations of work processes or comparisons between variants. You can add new products without rebuilding a physical showroom.

Trade shows: digital booth

Plants that are too large or too heavy for transport are shown in a virtual environment, on a kiosk terminal or in a VR headset. After the trade show, the booth stays available online.

Service: virtual factory

A virtual replica of the customer's plant helps with planning and remote diagnostics. Service technicians see in advance how the machine is installed and which access points there are. Connected to live data, it becomes a digital twin.

Training: training environment

Operators practice commissioning, changeovers or emergency procedures in a virtual replica of the plant. Errors have no consequences for people or machines, and training is possible before the plant is delivered. Trainers can trigger malfunctions on purpose and track learning progress without shutting down a production plant.

Design review: layout planning

Planners check in a virtual hall whether machines, traffic routes and maintenance areas fit together. In VR, you can assess distances and accessibility at a 1:1 scale, in addition to the virtual prototype of the individual machine.

Challenges

  • Effort: A detailed environment needs modeling, optimization and tests on all target devices.
  • Performance: Complete factory halls contain millions of polygons and must be reduced significantly for mobile devices.
  • Up-to-dateness: If the portfolio or the real hall changes, the environment must be updated.
  • Hardware: Customers rarely have VR headsets. Web and mobile secure the reach.
  • Data privacy and data security: Detailed models of customer halls or designs are sensitive. Access rights and reduced output models protect the know-how (see data security).

A pragmatic approach: start with a manageable environment and a few machines, publish on web and mobile, and add VR only when necessary.

Frequently Asked Questions (FAQ)

Do you need a VR headset for a virtual environment?

No. You can also use virtual environments in the browser, on tablets and on kiosk terminals. The headset increases immersion, but it is not a requirement.

What is the difference from the metaverse?

A virtual environment is a single 3D space for a specific purpose. The metaverse describes the vision of many connected, persistent virtual worlds.

Can you use existing CAD data directly?

Usually not without preparation. CAD models are designed for manufacturing and contain too many details for real-time display. So conversion and optimization are mandatory.

How realistic must a virtual environment be?

That depends on the purpose. For layout planning, a simple display is often sufficient. For sales, high-quality visuals are important. Correct dimensions and proportions are what matters.

Can several people be in the same environment at the same time?

Yes. Multi-user environments synchronize positions and actions over the network. Participants often appear as an avatar, for example in joint design reviews or remote training.

Industry Standards and Technologies

Basics: - Immersion – technical immersion - Immersive experience – effect on the user - Virtual reality – fully virtual worlds - Extended reality (XR) – umbrella term for AR, MR and VR - Metaverse – connected virtual worlds

Data sources: - 3D model – digital geometry - CAD to 3D conversion – preparation of design data - LiDAR – laser-based spatial capture - 3D pipeline – from raw model to scene - Photogrammetry – 3D from photos

Display: - Real-time rendering – real-time display - WebGL – 3D in the browser - Texture – surfaces and materials - Frame rate – smooth display

B2B applications: - Digital twin – virtual factory with live data - Virtual prototype – testing before construction - Avatar – users in multi-user environments - Virtual showroom – digital exhibition space