- What are the disadvantages of DDA algorithm?
- What are the attributes of output primitives?
- What is computer graphics tutorial point?
- What is line type?
- What is DDA algorithm in computer graphics?
- Which one is not a type of basic fill styles?
- What is the use of graphics?
- What do you mean by scan conversion?
- Why is computer graphics so hard?
- How can I check my computer’s graphics card?
- Which device provides positional information to the graphics system?
- What are output primitives?
- What are primitives in computer graphics?
- What is line attributes in computer graphics?
- How many types of line is available in line attributes?
- Which algorithm is a faster method for calculating pixel positions?
- Why we use Bresenham’s algorithm?
- Which of the following is a hidden surface removal algorithm?
What are the disadvantages of DDA algorithm?
Disadvantages of DDA Algorithm Floating point arithmetic in DDA algorithm is still time-consuming.
The algorithm is orientation dependent.
Hence end point accuracy is poor..
What are the attributes of output primitives?
Attributes of Output PrimitivesBy : Renita Josna Santhmayora, Lecturer in Compuer Science Dept, Sri Venkataramana Swamy College, Bantwal.Structure : Definition Line Attribute Curve Attribute Color and Grayscale Level Area Filled Attribute Text and Characters.The way a primitive is to be displayed is referred to as an Attribute Parameter.More items…•
What is computer graphics tutorial point?
Computer graphics are used to simplify this process. Various algorithms and techniques are used to generate graphics in computers. This tutorial will help you understand how all these are processed by the computer to give a rich visual experience to the user.
What is line type?
A line type is a set of 2D geometric elements that repeats along a line in both directions from a center point. The geometric elements can be a simple dash definition, or more complex 2D shapes with fill. The color and thickness of the lines in a line type are not part of the resource definition.
What is DDA algorithm in computer graphics?
In computer graphics, a digital differential analyzer (DDA) is hardware or software used for interpolation of variables over an interval between start and end point. … DDAs are used for rasterization of lines, triangles and polygons.
Which one is not a type of basic fill styles?
Which one is not a type of basic fill styles? Explanation: Dark fill is not a type of basic fill style, rest of them is the basic fill styles. Explanation: Rectangular fill pattern is called tiling or tiling pattern.
What is the use of graphics?
Computer graphics is responsible for displaying art and image data effectively and meaningfully to the consumer. It is also used for processing image data received from the physical world, such as photo and video content.
What do you mean by scan conversion?
The process of representing continuous graphics objects as a collection of discrete pixels is called scan conversion. Scan conversion or scan converting rate is a video processing technique for changing the vertical / horizontal scan frequency of video signal for different purposes and applications.
Why is computer graphics so hard?
TL;DR: It’s because there’s a lot of communication going on between the CPU and GPU. At its core, graphics programming is not complicated. It’s just a bunch of triangles, multiplying them by matrices. … The GPU is also designed to do other things, like texture mapping, and even physics.
How can I check my computer’s graphics card?
How can I find out which graphics card I have in my PC?Click Start.On the Start menu, click Run.In the Open box, type “dxdiag” (without the quotation marks), and then click OK.The DirectX Diagnostic Tool opens. Click the Display tab.On the Display tab, information about your graphics card is shown in the Device section.
Which device provides positional information to the graphics system?
pointing devices1. Which devices provides positional information to the graphics system ? Explanation: Input devices positional information to the system they often called pointing devices. Explanation: Number of pixels determines the resolution .
What are output primitives?
The Primitives are the simple geometric functions that are used to generate various Computer Graphics required by the User. Some most basic Output primitives are point-position(pixel), and a straight line.
What are primitives in computer graphics?
In graphics, primitives are basic elements, such as lines, curves, and polygons, which can be combined to create more complex graphical images. … To creative any drawing in the computer these primitives form a part of the software and the type of display to store these in the form of data is important.
What is line attributes in computer graphics?
Basic attributes of a straight line segment are its type, its width, and its color. … Basic attributes of a straight line segment are its type, its width, and its color. In some graphics packages, lines can also be displayed using selected pen or brush options.
How many types of line is available in line attributes?
3 typesLine types: There are 3 types of lines: Solid Line Dashed Line Dotted Line Solid line is the default line which is drawn with complete solid section for the length specified.
Which algorithm is a faster method for calculating pixel positions?
DDA algorithm2.9 or we use ∆y = 1 and Eq. 2.7. The DDA algorithm is a faster method for calculating pixel positions than the direct use of Eq.
Why we use Bresenham’s algorithm?
This algorithm is used for scan converting a line. It was developed by Bresenham. It is an efficient method because it involves only integer addition, subtractions, and multiplication operations. These operations can be performed very rapidly so lines can be generated quickly.
Which of the following is a hidden surface removal algorithm?
The z-buffer algorithm is the most widely used method for solving the hidden surface problem. It has the following major advantages over other hidden surface removal algorithms: No sorting is required. Models can be rendered in any order.