Nov 2, 2023 · A device through which a user can give data, information, or control signals to a computer is known as an input device. A computer Central Processing Unit (CPU) accepts and processes data to generate the output. For example, light pen, keyboard, etc. are examples of event-driven- input -devices.

Apr 19, 2020 · This document discusses different types of input devices used in graphics programs. It describes six logical device classifications - locator, stroke, string, valuator, choice, and pick devices.

Aug 10, 2020 · Handling of Input Device in Computer Graphics A device through which a user can give data, information, or control signals to a computer is known as an input device. A computer Central Processing Unit (CPU) accepts and processes data to generate the output.

Graphics programs use several kinds of input data, such as coordinate positions, attribute values, character-string speciÞcations, geometric-transformation val- ues, viewing conditions, and illumination parameters.

Angel: Interactive Computer Graphics 3E 7 © Addison-Wesley 2002 Graphical Logical Devices • Graphical input is more varied than input to standard programs which is usually numbers, characters, or bits • Two older APIs (GKS, PHIGS) defined six types of logical input – Locator: return a position – Pick: return ID of an object

Input Devices and Interactive Techniques This chapter will provide descriptions of several different types of input devices and how to control them, i.e. how to handle their input. What is the input device? which sets a flag. Specialized hardware often requires the use of …

The Input Devices are the hardware that is used to transfer input to the computer. The data can be in the form of text, graphics, sound, and text. Output device display data from the memory of the computer.

Graphical Input •Devices can be described either by-Physical properties •Mouse •Keyboard •Trackball-Logical Properties •What is returned to program via API –A position –An object identifier –A scalar value •Modes-How and when input is obtained •Request or event

In the field of computer graphics, interaction refers to the manner in which the application program communicates with input and output devices of the system. For e.g. Image varying in response to the input from the user. OpenGL doesn‟t directly support interaction in …

Mar 26, 2025 · The Input Devices are the hardware that is used to transfer transfers input to the computer. The data can be in the form of text, graphics, sound, and text. Output device display data from the memory of the computer.