Describe Dda Line Drawing Algorithm With A Suitable Example

Explain the following knowledge representation techniques with suitable example. Without the use of the Windows API, Visual Basic 6's graphics capabilities was a bit too limited for my taste. Use this algorithm to draw a line with endpoints (2, 3) and (9, 8). On the Wal-Mart (WMT) example, the second high point appears to be too close to the first high point for a valid trend line; however, it would be feasible to draw a trend line beginning at point 2 and extending down to the February reaction high. Readbag users suggest that Sketchpad: A man-machine graphical communication system is worth reading. The natural implementation of this would be to loop over them in a constant order. It is a basic element in computer-graphics. Thanks for A2A. Step 1: Set Up the Decontamination and Support Areas. A line connects two end-points. An entity set is a collection of similar entities. 1101 1101 What are Parallel and Perspectiyepröjcctions artd derive tbc matrix for 110) perspective projection. Define Flood-Fill algorithm. Geological Survey Agency for Toxic Substances & Disease Registry American Society of Civil Engineers Association of Engineering Geologists. Hello Friends, I am Free Lance Tutor, who helped student in completing their homework. o t h e r methods for defining object interiors are also w f u l , particularly with unusual, self-intersecting objects. Give steps involved in DDA algorithm. The big advantage of this algorithm is that, it uses only integer calculations. There are two popular algorithms for generating a circle − Bresenham's Algorithm and Midpoint Circle Algorithm. The current study examined the impact of two brief interventions, video games and mindful breathing, on acute emotion regulation measured via a distress tolerance task and self-reported. DDA Algorithm: Consider one point of the line as (X0,Y0) and the second point of the line as (X1,Y1). This program is based on mouse interface that means if you left click then first point selected and again select another pt ie ending pt of the line by left click too. The parallel processing paths can be provided through the use of a pipeline in which some of the input data registers are implemented with double buffers. Describe and apply knowledge representation Describe and apply probability theorem and Bayesian networks. Jodoin et al. : representation (b) Different applications of computer graphics. Work at Google — Example Coding/Engineering Interview Computer Graphics: DDA Line drawing Algorithm. Bresenham's Line-Drawing Algorithm for I mI<1 1. A line connects two end-points. Explain the following knowledge representation techniques with suitable example. From [email protected] DOCUMENTATION - Anything that provides information about a program. TUTORIAL QUESTIONS 1. Digital Differential Analyzer Line Drawing Algorithm Bresenhams Line Drawing Algorithm Arithmetic DDA algorithm uses floating points i. Evaluating steps 1 to 5 in the DDA algorithm we have. 5 (b) Explain the window to viewport coordinate transformation and mapping. Next quarter I will be offering ICS 164, a class devoted entirely to geometric. Patrick-Gilles Maillot's Thesis an extension of the Bresenham line drawing algorithm to perform 3D hidden lines removal; also published in MICAD '87 proceedings on CAD/CAM and Computer Graphics, page 591 - ISBN 2-86601-084-1. the algorithm is orientation dependent. 2] Plot the Line for co-ordinates 100,100 to 150,150 using DDA and Bresenham Line Drawing algorithm. Application of Computer Graphics Computer-Aided Design for engineering and architectural systems etc. A digital differential analyzer (DDA) with parallel processing paths. CS/MCA/SEM-4/MCA-402/2011 4081 3 [ Turn over vii) The total number of pixels put on for the line starting at ( 1, 1 ) and ending at ( 12, 7 ) would be. 1 Scan_line Polygon Fill Algorithms 3. These algorithms are based on the idea of determining the subsequent points required to draw the circle. Here you will get program for bresenham’s line drawing algorithm in C and C++. This means that the. If you haven't done so already, download the free trial version of RFFlow. Hello Friends, I am Free Lance Tutor, who helped student in completing their homework. Below are several hand-coded implementations in various languages. It is useful alternative for the DDA The big advantage of this algorithm is that it uses only integer calculations Let’s take following example If starting point is (2,2)and ending point of line is (7,4) calculate the first 3 points of the line by using Bresenham algorithm 3. Step 1: Set Up the Decontamination and Support Areas. Linear Regression. com that are fun and engaging. The output varies linearly based upon the input. Line Drawing AlgorithmsA line in Computer graphics typically refers to line segment, which is a portion of straight line that extends indefinitely in opposite direction. Bresenham’s circle drawing algorithm It is not easy to display a continuous smooth arc on the computer screen as our computer screen is made of pixels organized in matrix form. Computer Graphics | Plotters with Computer Graphics Tutorial, Line Generation Algorithm, 2D Transformation, 3D Computer Graphics, Types of Curves, Surfaces, Computer. Readbag users suggest that Sketchpad: A man-machine graphical communication system is worth reading. Below are several hand-coded implementations in various languages. It can be seen from the definition that a flow always accompanies with business or transaction. Explain Bresenham's line drawing algorithm. With complete graph, takes V log V time (coupon collector); for line graph or cycle, takes V^2 time (gambler's ruin). It uses our example relation T1(e,f) whose tuples are pairs of integers. And these procedures consume most of the time spent on machine learning. Pass exams to earn real college credit. 1) n Bresenham algorithm n Incremental algorithm: current value uses previous value n Integers only: avoid floating point. A line is then sampled at unit intervals in one coordinate and corresponding integer values nearest the line path are determined for the other coordinate. Described here is a one-chip VLSI implementation of a shaded-polygon renderer which provides an affordable solution to the bottleneck. Bresenham Line Algorithm Summary The Bresenham line algorithm has the following advantages: –An fast incremental algorithm –Uses only integer calculations Comparing this to the DDA algorithm, DDA has the following problems: –Accumulation of round-off errors can make the pixelated line drift away from what was intended. What are the advantages and disadvantages of using DDA algorithm for line generation? List the steps of the algorithm. Graphical Linkage Synthesis Chapter 3. Today's lecture will describe algorithms for two simple geometric problems: determining whether a point is in a polygon, and finding convex hulls. What are the [10]. a) Write the homogeneous coordinate transformation matrices for the three basic transformations. First the straight values (initial values) must be fou. The basic "line drawing" algorithm used in computer graphics is Bresenham's Algorithm. Explain boundary Fill Algorithm with different methods. Draw each memory location and check the algorithm as though you were the computer. Moving across the x axis in unit intervals and at each step choose between two different y coordinates. Below are several hand-coded implementations in various languages. We will discuss the Bresenham line drawing algorithm for +Ve slope (01 , increment y and find x If m≤1, increment x and find y y=m x b x= 1 m y b m m= ystart−yend xstart−xend. This algorithm was developed to draw lines on digital plotters, but has found wide-spread usage in computer graphics. Orton and William R. For 10*10 frame buffer ,interpret the Bresenham's algorithm to find which pixels are tured on for the line segment (1,2) and. Line drawing algo. Once it is installed, you can open the samples on this page directly in RFFlow by. Geological Survey Agency for Toxic Substances & Disease Registry American Society of Civil Engineers Association of Engineering Geologists. (b) Explain Strassen is matrix multiplication algorithm with an example. What is the use of hidden line removing algorithm? The hidden line removal algorithm determines the lines, edges, surfaces or volumes that are visible or invisible to an observer located at a specific point in space. 6kV or 11kV or 13. 1) Bresenham algorithm Incremental algorithm: current value uses previous value Integers only: avoid floating point arithmetic Several. Work at Google — Example Coding/Engineering Interview Computer Graphics: DDA Line drawing Algorithm. TUTORIAL QUESTIONS 1. 1 Scan_line Polygon Fill Algorithms 3. Consider what the perceptron algorithm would do on a data set. (b) Write the Breshanham line drawing algorithm. We have to keep in mind one important fact:- all program processes can be implemented with these 3 control structures only. Drawing a circle on the screen is a little complex than drawing a line. 20- Bresenham's Line Drawing Algorithm In Computer Graphics In Hindi | Bresenham's Line Drawing Algo - Duration: 21:47. To draw a line, you need two points between which you can draw a line. Assume the centre of the circle is at (O, O). Multi-window environment is also favored for producing various zooming scales and views. What are the advantages and disadvantages of using DDA algorithm for line generation? List the steps of the algorithm. o t h e r methods for defining object interiors are also w f u l , particularly with unusual, self-intersecting objects. line slope ≤ 45 o, i. Regular hexagons have all the sides the same length. Support vector machines: The linearly separable case Figure 15. Write a C/C++ program to implement DDA algorithm for line generation. GPS receivers (and bike computers) are notorious for having quite a large lag, and in fact they do NOT do a good job showing true momentary speed. List disadvantages of DDA curve generation algorithm. The steps are normally "sequence," "selection, " "iteration," and a case-type. The current study examined the impact of two brief interventions, video games and mindful breathing, on acute emotion regulation measured via a distress tolerance task and self-reported. org" nil "11" "Information about the meeting" nil nil nil "4" nil nil (number " " mark " Arnaud Le Hors Apr 23 11/392 " thread-indent "\"Information about the meeting\"\n") nil nil] nil) X-VM-Message-Order. Computer Graphics DDA Algorithm with Computer Graphics Tutorial, Line Generation Algorithm, 2D Transformation, 3D Computer Graphics, Types of Curves, Surfaces, Computer Animation, Animation Techniques, Keyframing, Fractals etc. FCFS is very simple - Just a FIFO queue, like customers waiting in line at the bank or the post office or at a copying machine. n Integer DDA n E. Easy Tutor author of Program of DDA line drawing algorithm is from United States. algorithm which spots a make command line. algorithmic approach to problem solving. This algorithm is used in computer graphics for drawing line. [2002] model relative locations of strokes, but not conditioned on a target image or object. This program is based on mouse interface that means if you left click then first point selected and again select another pt ie ending pt of the line by left click too. Attempt any five questions. Sikkim Manipal MCA Solved Assignments. It is a formal approach for solving a problem. h header file. In this paper, the author extends this method to elliptic interpolation, hyperbolic interpolation and parabolic interpolation. If the relation is stored, we can also update or delete the tuple at the current cursor position. Assume the centre of the circle is at (O, O). (1), Line generation algorithm: DDA algorithm, Bresenham algorithm for straight line, (2), Round of the algorithm: Bresenham algorithm of circle, (3), Region filling algorithm: region filling is given a region boundary, all pixel on the boundary within the assigned to color code. As a result, none of those recursive make calls would do parallel builds. and drawing lines. Here you will get program for bresenham's line drawing algorithm in C and C++. Using functions of graphics. 1) Bresenham algorithm Incremental algorithm: current value uses previous value Integers only: avoid floating point arithmetic Several. The Bresenham's line-drawing algorithm is based on drawing an approximation of the true line. Explain the DDA line drawing algorithm 20. just feasible but reasonably convenient. 5 where the green line shows the position of the line of interest calculated as follows: vli = avg + (width – avg) / 3 (1) where vli is the distance of the line of interest from left image border, width is the width of image, avg is the arithmetic mean value of the count of white pixels on each row. 2 Midpoint Line Algorithm Cf. Define attribute parameter. Using the data storage type defined on the Bitmap page for raster graphics images, draw a line given two points with Bresenham's line algorithm. How do you classify hard copy graphics output devices for the CAD applications? Briefly describe the construction and working of “Pen plotters & Inkjet printers” with neat line sketches. This bit is the 0, so the code line changes polarity and goes HIGH. ----- THE 7TH NATIONAL CONFERENCE ON MANAGEMENT OF UNCONTROLLED HAZARDOUS WASTE SITES DECEMBER 1-3, 1986 • WASHINGTON, DC AFFILIATES Hazardous Materials Control Research Institute U. Figures can be stored and drawn in two ways – either by line drawing or by Raster graphic methods. – Line-Drawing Algorithms: DDA, Bresenham’s Algorithm Subscribe to view the full document. [FvDFH90, 3. I have 4 Years of hands on experience on helping student in completing their homework. Exams 16,110 views. The big advantage of this algorithm is that, it uses only integer calculations. Using this algorithm draw the line from (2,3) to (5, 6) 27. 2 Fill from a Interior Position(Seed) 3. Net framework with the help of suitable example. [2002] model relative locations of strokes, but not conditioned on a target image or object. Randolph Franklin (WRF) Bresenham Algorithm - Optimized Line Drawing Code. Explain boundary Fill Algorithm with different methods. The 5-min static scans were obtained at the predetermined time points after post-injection. Bresenham algorithm (Hill, 10. The basic "line drawing" algorithm used in computer graphics is Bresenham's Algorithm. Drawing a line or any curve on a screen with pixels as the fundamental entity requires selection and shading of pixels in an incremental fashion so as to approximate the final outcome to the desired line/curve equation. This algo-rithm was developed to draw lines on digital plotters, but has found wide-spread usage in computer graphics. Java is one of the languages that encour-ages this move, and the whole Object Oriented Programming movement that Java forms part of provides a context. Scribd is the world's largest social reading and publishing site. Now, for generating any line segment we need intermediate points and for calculating them we have can use a basic algorithm called DDA(Digital differential analyzer) line generating algorithm. Describe and apply knowledge representation Describe and apply probability theorem and Bayesian networks. Therefore I was expecting it to be very fast. For some examples you should read through the Sorting Algorithms in Wikipedia. (a) Describe the functions of all the layers of the TCP/IP Model in short. Line Drawing Algorithm Drawbacks n DDA is the simplest line drawing algorithm n Not very efficient n Round operation is expensive n Optimized algorithms typically used. h in Turbo C compiler you can make graphics programs, animations, projects, and games. DOCUMENTATION - Anything that provides information about a program. Although the initial developer (Bloodshed) hasn’t updated it since 2005, a new version appeared in 2011, made by an independent programmer, and is being actively developed. 8 (page ), there are lots of possible linear separators. Table 1: Fibonacci desk-check Code line 11 Code line 12 Code line 13 Code line 14 Code line 15. X l = 0 Y 1 = 0. Explain polygon clipping. 1: The support vectors are the 5 points right up against the margin of the classifier. Main Fundamentals of Differential Equations, 8th Edition. Without the use of the Windows API, Visual Basic 6's graphics capabilities was a bit too limited for my taste. Sikkim Manipal MCA Solved Assignments. The trend line in the above MSFT example represents well-spaced low points. Example 2 Consider the line from (0, 0) to (-6, -6). , loop over y, instead of x, to plot the (x,y)-value. n Integer DDA n E. In this section we discuss algorithms for performing pencil-and-paper com-putations. Explain geometriœand kinematic modeling ili detail Explain Sutherland Hodgeman polygon clipping. What is a line width? What is the command used to draw the. From the kernel's perpective, each process has its own address space, file descriptors, etc and one thread of execution. This algorithm is used in computer graphics for drawing line. once for each line to be scan converted, so the arithmetic involves only integer addition and subtraction of these two constants. It can be seen from the definition that a flow always accompanies with business or transaction. The algorithm is fast - it can be implemented with integer calculations only - and very simple to describe. (a) Write DDA line Drawing Algorithm. TUTORIAL QUESTIONS 1. Elementary implementations. h header file. (2) (f ) It is p ossible to do the scan con v ersion calculations using en tirely in teger op erations. It may be helpful to consider (and draw) the components of such a package, and the function they perform. Obituaries call 941-206-1028 or email [email protected] (10 marks) Q. Explain this equation with the help of an example. Using the Bruteforce algorithm to digitize a line with end points (20, 10) and (26, 14). (b) Write the DDA algorithm for line generation 5 and modify the same for negative sloped lines. Java's character type is Unicode. Exams 16,110 views. Example 2 Consider the line from (0, 0) to (-6, -6). Explain the DDA line drawing algorithm 20. However, as soon as we have covered all the information we need to implement a scanline renderer, for example, we will show how to do that as. List disadvantages of DDA curve generation algorithm. Easy algorithm for getting out of a maze (or st connectivity in a graph): at each step, take a step in a random direction. DOCUMENTATION - Anything that provides information about a program. For example, transforming objects with touch input, “cutting” objects by using the tablet as a physical “knife”, navigating in 3D by using the tablet as a viewport, and triggering commands by interleaving bare-hand input around the tablet. If you continue browsing the site, you agree to the use of cookies on this website. Explain the following knowledge representation techniques with suitable example. In this paper, the author extends this method to elliptic interpolation, hyperbolic interpolation and parabolic interpolation. Java is one of the languages that encour-ages this move, and the whole Object Oriented Programming movement that Java forms part of provides a context. Digitize the line with end points (20, Bresenham's line drawing algorithm. Patrick-Gilles Maillot's Thesis an extension of the Bresenham line drawing algorithm to perform 3D hidden lines removal; also published in MICAD '87 proceedings on CAD/CAM and Computer Graphics, page 591 - ISBN 2-86601-084-1. Orton and William R. b) Describe fractal and give any two examples of fractal. Using the data storage type defined on the Bitmap page for raster graphics images, draw a line given two points with Bresenham's line algorithm. Use this algorithm to draw a line with endpoints (2, 3) and (9, 8). , The Beauty of Bresenham's Algorithms; Further reading. What Is an Algorithm? Consider how you use a computer in a typical day. The typical orientations for. 8) [2+3=5] PART – B [20 Marks] Q4. Suppose one approximate point is already determined. Regular hexagons have all the sides the same length. From the kernel's perpective, each process has its own address space, file descriptors, etc and one thread of execution. Write short note on B-spline curves. Bresenham's Line and Circle Algorithms Introduction. Flowchart are very helpful in writing program and explaining program to others. With complete graph, takes V log V time (coupon collector); for line graph or cycle, takes V^2 time (gambler's ruin). Smart Ways to work with. The primary use of clipping in computer graphics is to remove objects, lines, or line segments that are outside the viewing pane. cad Module 1. Line Drawing Algorithm Drawbacks n DDA is the simplest line drawing algorithm n Not very efficient n Round operation is expensive n Optimized algorithms typically used. Drawing a circle on the screen is a little complex than drawing a line. changed by a suitable \renewcommand{}. Use the simple DDA algorithm line. The idea is the same for both colour and normal interpolation, a line is extended from the point in question to two edges of the polygon. Saff, Arthur David Snider. [8] Explain the concept of generalized clipping with the help of a suitable example. Uses floating-point math to plots a straight line between 2. Environmental Protection Agency U. Objects maybe displayed in a wireframe outline form. There is no fixed way of desk checking but taking the Fibonacci example I have suggested a simpler way to do it (simpler than the Desk Check Guide). h functions or WinBGIM (Windows 7) can be used to draw different shapes, display text in different fonts, change colors and many more. Implement the Bresenham's line drawing algorithm. Expain Liang — Barslcy line clipping algorithm witn suitable example. The change, which represents a new approach to search for Google, required the biggest changes to the company’s search algorithm since 2000. In libtcod it is accessible using line(x1, y1, x2, y2, callback). The trend line in the above MSFT example represents well-spaced low points. And these procedures consume most of the time spent on machine learning. Linear Regression. Regression line example. Exams 16,110 views. Now since this is to be done on a digital computer - speed is an important factor. Applied Economics and Statistics Our diverse, nationally-known faculty conduct extensive and coordinated programs in undergraduate and graduate education, cutting. The equation of a straight line is given by m=Δx/Δy eq(i), where Δx = x(2)-x(1) & Δy = y(2)-y(1),. After each modification, the listener indicates how well the current sound exemplifies a target sound descriptor (e. Tarjan’s off-line least common ancestors algorithm. 3 DDA Algorithm In computer graphics, a hardware or software implementation of a digital differential analyzer (DDA) is used for linear interpolation of variables over an interval between start and end point. (c) Explain Z Buffer algorithm for Hidden Surface Removal. suitable diagram/table to discuss, how frame buffer is used to control color of the pixel. Described here is a one-chip VLSI implementation of a shaded-polygon renderer which provides an affordable solution to the bottleneck. ppt - Free download as Powerpoint Presentation (. The true line is indicated in bright color, and its approximation is indicated in black pixels. OR (b)Describe Cohen- Sutherland line clipping technique with an example. For Circle the input required center and radius of the circle. Drawing a line or any curve on a screen with pixels as the fundamental entity requires selection and shading of pixels in an incremental fashion so as to approximate the final outcome to the desired line/curve equation. The Bresenham's line-drawing algorithm is based on drawing an approximation of the true line. Saff, Arthur David Snider. In this paper, the author extends this method to elliptic interpolation, hyperbolic interpolation and parabolic interpolation. What are the limitations of DDA line 07 drawing algorithm? (b) Explain the working of Cathode Ray Tube with a diagram. What are the advantages of DDA algorithm? 4. Explain the following knowledge representation techniques with suitable example. 8 (page ), there are lots of possible linear separators. Write a C/C++ program to implement DDA algorithm for line generation. Write a C/C++ program to implement DDA algorithm for line generation. This bit is the 0, so the code line changes polarity and goes HIGH. Moving across the x axis in unit intervals and at each step choose between two different y coordinates. For this specific example, the following is the statement of the decision with hypotheses for the decision: Determine whether to classify a drum at a given site as containing TRU wastes. Give steps involved in DDA algorithm. suitable diagram/table to discuss, how frame buffer is used to control color of the pixel. 2 Midpoint Line Algorithm Cf. 1) n Bresenham algorithm n Incremental algorithm: current value uses previous value n Integers only: avoid floating point. h header file. But it seems to be a bit easier to understand. In this article, we generalize the definition of Schnyder woods to d-angulations (plane. y is the output we want. Symbols Used In Flowchart Different symbols are used for different states in flowchart, For example: Input/Output and decision making has different symbols. The results are plotted as shown in the Fig. GDI+ came to my rescue. In Cyrus Beck line clipping algorithm, How will you determine whether the point of intersection between line and clipping window is Potentially Entering (PE) or Potentially Leaving (PL). In libtcod it is accessible using line(x1, y1, x2, y2, callback). Controversies in Medical Physics: a Compendium of Point/Counterpoint Debates Volume 2 Edited by: Colin G. com with free online thesaurus, antonyms, and definitions. A digital differential analyzer (DDA) with parallel processing paths. That is, it is drawing the line: w 1 I 1 + w 2 I 2 = t and looking at where the input point lies. Moving across the x axis in unit intervals and at each step choose between two different y coordinates. How do you classify hard copy graphics output devices for the CAD applications? Briefly describe the construction and working of “Pen plotters & Inkjet printers” with neat line sketches. (b) Draw the tree of calls of merge for the following set of elements (20, 30, 10, 40, 5, 60, 90, 45, 35, 25, 15, 55) 4. FCFS is very simple - Just a FIFO queue, like customers waiting in line at the bank or the post office or at a copying machine. (c) List two main differences between' the 5 following : (i) Cohen Sutherland line clipping algorithm and cyrus beck line clipping algorithm (ii) Scan line polygon filling algorithm and flood fill algorithm. For example, if x=10, y=7, we get this: Here are several versions, ending with Bresenham's algorithm. TUTORIAL QUESTIONS 1. For a line with positive slope greater than 1, we interchange the roles of the x and y directions. A line connects two points. To draw a line, you need two points between which you can draw a line. Bresenham's line drawing algorithm & Mid Point Circle algorithm Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The basic Bresenham algorithm Consider drawing a line on a raster grid where we restrict the allowable slopes of the line to the range. For example, transforming objects with touch input, “cutting” objects by using the tablet as a physical “knife”, navigating in 3D by using the tablet as a viewport, and triggering commands by interleaving bare-hand input around the tablet. 8, using (12 Marks) a. A common example is the nonzero winding number rule. Hello Friends, I am Free Lance Tutor, who helped student in completing their homework. Easy Tutor says. Explain Hilbert's curve. Thanks for A2A. Editorial letters email [email protected] A line of best fit can be roughly determined using an eyeball method by drawing a straight line on a scatter plot so that the number of points above the line and below the line is about equal (and the line passes through as many points as possible). It is a basic element in computer-graphics. Digitize the line with end points (20, Bresenham's line drawing algorithm. Java is one of the languages that encour-ages this move, and the whole Object Oriented Programming movement that Java forms part of provides a context. I have written an implementation of Bresenham's circle drawing algorithm. The viewing transformation is insensitive to the position of points relative to the viewing volume − especially those points behind the viewer − and it is necessary. In computer graphics, the midpoint circle algorithm is an algorithm used to determine the points needed for rasterizing a circle. Algorithm design is not a suitable interface for an artist or designer. the algorithm is orientation dependent. To draw a line, you need two points between which you can draw a line. What are the advantages of DDA algorithm? 4. Write a note on Parallel and Perspective projection and state their. 5 where the green line shows the position of the line of interest calculated as follows: vli = avg + (width – avg) / 3 (1) where vli is the distance of the line of interest from left image border, width is the width of image, avg is the arithmetic mean value of the count of white pixels on each row. FCFS is very simple - Just a FIFO queue, like customers waiting in line at the bank or the post office or at a copying machine. A neat and clear DFD can depict a good amount of the system requirements graphically. In the line drawing scheme, the figures are represented by equations – for example a straight line can be represented by the equation y=mx+c, a circle by x2+y2=r2 etc. DDAs are used for rasterization of lines, triangles and polygons. (In fact in class I tried to describe a search in which I modified the "add to end of list" line in the BFS pseudocode to "add to start of list" but the resulting traversal algorithm was not the same as DFS. For example, transforming objects with touch input, “cutting” objects by using the tablet as a physical “knife”, navigating in 3D by using the tablet as a viewport, and triggering commands by interleaving bare-hand input around the tablet. a) Describe Hilbert's curve with suitable example. The basic "line drawing" algorithm used in computer graphics is Bresenham's Algorithm. Use the mid point method to derive decision parameters for generating points along a straight line path with slope in the range 0 < m < 1. PSEUDOCODE - A terse, English like description of your algorithm. What are Inside-Outside tests? 7. What are the advantages and disadvantages of using DDA algorithm for line generation? List the steps of the algorithm. HDB coding replaces strings of four 0's with sequences containing a bipolar violation in the last bit position. For that reason, we believe ray-tracing is the best choice, among other techniques, when writing a program that creates simple images. Give steps involved in DDA algorithm. Make sure to change the path of BGI folder inside initgraph() function according to your system. Why do we prefer incremental algorithm over DDA? b) Explain Flood Fill algorithm for polygon filling with a suitable example 3. e) Describe how fractal surfaces are drawn with. What is computer graphics realism? The creation of realistic picture in computer graphics is known as realism.