Tinyrender-Lesson 1 Bresenham’s Line Drawing Algorithm 原文:https://github.com/ssloy/tinyrenderer/wiki/Lesson-1-Bresenham%E2%80%99s-Line-Drawing-Algorithm 关于该绘制直线算法的另外介绍:https://www.cnblogs.com/wlzy/p/8695226
voidline(intx0,inty0,intx1,inty1,TGAImage ,TGAColorcolor){boolsteep=false;//判断斜率高的那一个if(std::abs(x0-x1)<std::abs(y0-y1)){std::swap(x0,y0);std::swap(x1,y1);steep=true;}//判断左右if(x0>x1){std::swap(x0,x1);std::swap(y0,y1);}intdx=x1-x0;intdy=y1-y0;fl...
draw_line2((20,13), (40,80), (255,0,0), fig,132) draw_line2((80,40), (13,20), (255,0,0), fig,133) 从上面的结果可以发现,当x方向的距离小于y方向的距离的时候会导致采样不足。第二个图点和点之间出现了空洞。下面进行第三次尝试。 Third attempt defdraw_line3(p0, p1, color, fi...
2.1.如果线段ax+by+c=0与x=x1+1的交点y坐标大于(y+*y+1)/2则选右上那个点2.2.否则选右下那个点。3.画点4.跳回第2步5.结束算法的具体过程是怎样的呢,其实就是在每次画点的时候选取与实现直线的交点y坐标的差最小的那个点,例如下图:关键是如何找最近的点,每次x都递增1,y则增1或者不增1,由上图...
The present paper focuses on effective approach to minimize the error in the existing Bresenham's Line Drawing Algorithm (BLDA) in computer graphics. In this method, we consider three different values of h, i.e., 1, 0.5 and 0.1. For h=1, all the results of BLDA have been verified and...
Bresenham algorithm is the most fundamental algorithm for drawing line segments in computer graphics. Canonical Bresenham algorithm can only generate one pixel of a line each time. We proposed a new method by improving it in a novel way, which can generate pixel of a line row by row according...
•Algorithm •Complexity •RunTime •Applications •References Introduction •Bresenham’salgorithmisoneoftheearliestalgoritm developedinthefieldofcomputergraphics. •Linedrawingisaccomplishedbycalculatingintermediate positionsalongthelinepathbetweentwospecified ...
A simple implementation of Bresenham's line drawing algorithm. See the Wikipedia entry for details on what that is. Note that this is a simple implementation. It is written in Pure Python (without e.g. numpy), so it is relatively slow. I found some beauty in combining the classic algorith...
3. What advantage does Bresenham's algorithm have over traditional line-drawing algorithms? A. Higher resolution B. Less computational overhead C. More color options D. Easier implementation Show Answer 4. In what coordinate system does Bresenham's algorithm operate? A. Polar coordinates ...
Multiple choice questions and answers (MCQ) based on the Bresenham's Algorithm in computer graphics with 4 choices, correct answer and explanation. Submitted by Monika Sharma, on October 13, 2020 Question 1: Which of the following is true with respect to the Bresenham's line drawing algorithm?