Short Question Answer of 2-marks
Q1. What is World Space?
Ans. Augmented reality (AR) and Virtual Reality (VR) bridge the digital and physical worlds. They allow you to take in information and content visually, in the same way you take in the world. AR dramatically expands the ways our devices can help with everyday activities like searching for information, shopping, and expressing yourself. VR lets you experience what it's like to go anywhere — from the front row of a concert to distant planets in outer space.
Q2. What is World coordinate?
Ans.We define a coordinate frame called World, and this frame is the fixed reference for all of our content. This fully defines the 3D transformation of the object with respect to the reference coordinate frame.
Q3. Define World environment.
Ans.Augmented reality is used to enhance natural environments or situations and offer perceptually enriched experiences. With the help of advanced AR technologies the information about the surrounding real world of the user becomes interactive and digitally manipulated. Information about the environment and its objects is overlaid on the real world. This information can be virtual or real.
Q4. What is Objects?
Ans.Object is the rigid body and where the virtual space in which the object exists is called the object space. It is a direct counterpart of the visual space.
Q5. What is VR environment?
Ans. Virtual reality (VR) refers to a computer-generated simulation in which a person can interact within an artificial three-dimensional environment using electronic devices, such as special goggles with a screen or gloves fitted with sensors. In this simulated artificial environment, the user is able to have a realistic-feeling experience.
Q6. What is VR database?
Ans.Virtual reality (VR) has been proposed as a methodological tool to study the basic science of psychology and other fields. First, we seek to establish and allow public access to a database of immersive VR video clips that can act as a potential resource for studies on emotion induction using virtual reality.
Q7. Define Tessellated Data.
Ans. Tesselation-A tiling or tessellation of a flat surface is the covering of a plane using one or more geometric shapes, called tiles, with no overlaps and no gaps. In mathematics, tessellations can be generalized to higher dimensions and a variety of geometries.
Tesslated Data-Tessellation is used to manage datasets of polygons (sometimes called vertex sets) presenting objects in a scene and divide them into suitable structures for rendering. Especially for real-time rendering, data is tessellated into triangles.
Q8. Is VR interactive?
Ans. Virtual reality (VR)is an interactive, computer-generated depiction of a real or artificial world or activity. Mixed reality (MR) is an interactive depiction or view of combined real-world andcomputer-generated elements.
Q9. What is Graphical User Interface (GUI)?
Ans. Graphical User Interface: The graphical user interface (GUI )is a form of user interface that allows users to interact with electronic devices through graphical icons and audio indicator such as primary notation, instead of text-based user interfaces, typed command labels or text navigation. GUIs were introduced in reaction to the perceived steep learning curve of command-line interfaces (CLIs), which require commands to be typed on a computer keyboard.
The actions in a GUI are usually performed through direct manipulation of the graphical elements. Beyond computers, GUIs are used in many handheld mobile devices such as MP3 players, portable media players, gaming devices, smart phones and smaller household, office and industrial controls. The term GUI tends not to be applied to other lower-display resolution types of interfaces, such as video games (where head-up display (HUD) is preferred), or not including flat screens, like volumetric displays because the term is restricted to the scope of two-dimensional display screens able to describe generic information, in the tradition of the computer science research at the Xerox Palo Alto Research Center.
Q10. What is Control Panel?
Ans.The Control Panel is a component of Microsoft Windows that provides the ability to view and change system settings. It consists of a set of applets that include adding or Augmented and Virtual removing hardware and software, controlling user accounts, changing accessibility options, and accessing networking settings. Additional applets are provided by third parties, such as audio and video drivers, VPN tools, input devices, and networking tools. In Windows XP, the Control Panel home screen was changed to present a categorized navigation structure reminiscent of navigating a web page. Users can switch between this Category View and the grid-based Classic View through an option that appears on either the left side or top of the window.
Q11. What is Room in VR?
Ans.Room-scale VR (room-scale virtual reality) is the use of a clear space to allow movement for someone using a VR application such as virtual reality gaming. Being able to physically move within the space helps to replicate real-world movement for the user and make the virtual environment seem more real.
Room-scale VR uses a combination of movement and VR headset tracking within a dedicated area to simulate moving in the virtual environment.
Q12. What is VR interaction?
Ans.VR has three distinct characteristics: interaction, immersion, and imagination. Interaction refers to the natural interaction between the user and the virtual scene. It provides the users with the same feeling as the real world through feedback
Q13. Why we use Virtual reality software?
Ans. As VR has become more mainstream, businesses are realizing its value in the workplace. This technology can provide varying benefits to users in myriad fields.
Virtually test out a product — For businesses that sell a product, VR has the potential to be revolutionary, as this technology allows users to visualize what owning a product would be like. Consumers can take a product for a "virtual test drive" before they commit to a purchase.
Expand education — VR can take hands-on learning to the next level. Instead of observing a teacher perform a task, a student or trainee can visualize themselves performing it.
Go one step past 3D modeling — Some VR tools allow users to develop, sculpt, model, paint, and create tangible objects in a VR environment. Users can interact with 3D models from any angle with tools like these.
Q14. Who uses Virtual reality software?
Ans.Virtual reality is increasingly proving its value in a number of different fields. The following are just a few examples.
Game developers — VR is becoming a massively popular medium within game development. Developers can use VR tools to create a completely immersive user experience for gamers. Those playing the game can fully interact with the created characters as if they are part of the universe. Users can typically access these games through headsets or mobile devices.
Architects and engineers — 3D design is becoming more common within architecture and engineering, as this type of design enables users to manipulate the objects they are designing from every angle. By designing in VR, users can be completely immersed in the environment as they create. These tools have expanded on the 3D capabilities offered by CAD software, allowing users to design, manipulate, and collaborate on projects in a virtual environment.
Q15. List the kinds of Virtual reality software.
Ans.Virtual reality is still a young technology, so the different subcategories of the technology are still emerging. The following are some subcategories that are prominent in the space.
VR visualization — This type of software allows users to experience aggregated data in a virtual environment. These tools enable users to see analytics in a way for them to fully understand what the data are communicating.
VR content management systems — Businesses can use these tools to collect, store, and analyze all VR content in a centralized location.
VR SDK — Virtual reality software development kits (SDK) provide the necessary base to design, build, and test VR experiences. VR SDKs act as the building blocks to create basically any VR experience.
VR game engine — This software provides developers with the essential for creating a VR video game experience.
VR social platforms — Users can collaborate in VR from remote locations using these tools.
VR training simulator — These tools can be used in almost any industry to train employees in a completely immersive environment.
Q16. What software is used in VR?
Ans.This is a collection of tools VR developers are using to create native application experiences, typically for Windows machines.
- Unity 3D
- Unreal Engine (UE4)
- 3DS Max & Maya
- Blender
- SketchUp
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