Python 3 OpenGL Content to Execute Bresenham Circle Circular segment Calculation GUI Work area Application There might be many questions with regards to this article. We trust that subsequent to perusing this article all questions will be settled. How about we go to the article.
Python 3 OpenGL Script to Implement Bresenham Circle Arc Algorithm GUI Desktop App
#@MKchaudhary 15th sept 2018
#Bresenham's circle drawing python opengl program
from OpenGL.GL import *
from OpenGL.GLU import *
from OpenGL.GLUT import *
import sys
def init():
glClearColor(0.0,1.0,1.0,0.0)
glColor3f(1.0,0.0,0.0)
glPointSize(2.0)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluOrtho2D(0.0,640.0,0.0,480.0)
def readinput_circle():
global xcenter,ycenter,radius
xcenter=input('xCenter:')
ycenter=input('yCenter:')
radius=input('Radius:')
def setPixel(xcoordinate,ycoordinate):
glBegin(GL_POINTS)
glVertex2f(xcoordinate,ycoordinate)
glEnd()
glFlush()
def Brescircle(xcenter,ycenter,radius):
x=0
y=radius
p=3-2*radius
circlePlotpoints(xcenter,ycenter,x,y)
while x <= y:
x+=1
if p<0:
p=p+4*x+6
else:
y-=1
p= p+ 4*(x-y) + 10
circlePlotpoints(xcenter,ycenter,x,y)
def circlePlotpoints(xcenter,ycenter,x,y):
setPixel(xcenter + x , ycenter + y)
setPixel(xcenter + x , ycenter - y)
setPixel(xcenter - x , ycenter + y)
setPixel(xcenter - x , ycenter - y)
setPixel(xcenter + y , ycenter + x)
setPixel(xcenter + y , ycenter - x)
setPixel(xcenter - y , ycenter + x)
setPixel(xcenter - y , ycenter - x)
def Display():
glClear(GL_COLOR_BUFFER_BIT)
Brescircle(xcenter,ycenter,radius)
def main():
glutInit(sys.argv)
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB)
glutInitWindowSize(600,600)
glutInitWindowPosition(50,50)
glutCreateWindow("2D Transformation")
readinput_circle()
glutDisplayFunc(Display)
init()
glutMainLoop()
main()Final Words
Python 3 OpenGL Content to Execute Bresenham Circle Curve Calculation GUI Work area Application We trust every one of your questions about this point will be settled. See you again in the following article Much obliged.
