파이썬에서 glutMouseFunc를 사용하여 유효한 컨텍스트 없을 때

내가 어떤 마우스 기능을 glutMouseFunc를 사용할 필요가 파이썬이 PyOpenGL 사용에 프로그램을 작성하려고 만하고있어 나는 다음과 같은 오류 얻을 프로그램을 실행하면파이썬에서 glutMouseFunc를 사용하여 유효한 컨텍스트 없을 때

Traceback (most recent call last): 
    File "teapot.py", line 80, in <module> 
    glutMouseFunc(mouseHandle) 
    File "/usr/lib/python2.7/dist-packages/OpenGL/GLUT/special.py", line 137, in __call__ 
    contextdata.setValue(self.CONTEXT_DATA_KEY, cCallback) 
    File "/usr/lib/python2.7/dist-packages/OpenGL/contextdata.py", line 57, in setValue 
    context = getContext(context) 
    File "/usr/lib/python2.7/dist-packages/OpenGL/contextdata.py", line 40, in getContext 
    """Attempt to retrieve context when no valid context""" 
OpenGL.error.Error: Attempt to retrieve context when no valid context

을

나는 그것을 인터넷 검색을 시도했지만 나는 어떤 관련 result.Here 내 코드입니다 찾을 수 없습니다 :

from OpenGL.GL import * 
from OpenGL.GLUT import * 
t = 0 
def init(): 
    r=1 
    g=0 
    b=0 
    glColor3f(r,g,b) 
    glClearColor(1.0,1.0,1.0,0.0) 
    glMatrixMode(GL_PROJECTION) 
    glLoadIdentity() 

def display(): 
    glClear(GL_COLOR_BUFFER_BIT) 
    glViewport(0,0,150,100) 
    drawSquare() 
    glViewport(0,100,150,200) 
    drawCircle() 
    glViewport(0,200,150,300) 
    drawTriangle() 
    glViewport(0,300,150,400) 
    drawFan() 
    if(t==1): 
     glViewport(150,0,800,600) 
     drawFan() 
    if(t==2): 
     glViewport(150,0,800,600) 
     drawTriangle() 
    if(t==3): 
     glViewport(150,0,800,600) 
     drawCircle() 
    if(t==4): 
     glViewport(150,0,800,600) 
     drawSquare() 
    glFlush() 
def drawFan(): 
    glBegin(GL_TRIANGLE_FAN) 
    glVertex2f(0.0,0.0) 
    glVertex2f(0.3,0.3) 
    glVertex2f(0.3,-0.3) 
    glVertex2f(-0.3,0.3) 
    glVertex2f(-0.3,-0.3) 
    glEnd() 

def drawTriangle(): 
    glBegin(GL_TRIANGLES) 
    glVertex2f(0.5,0.0) 
    glVertex2f(0.0,0.5) 
    glVertex2f(-0.5,0.0) 
    glEnd() 

def drawCircle(): 
    glutSolidSphere(0.5, 30 ,30) 

def drawSquare(): 
    glBegin(GL_POLYGON) 
    glVertex2f(0.5,0.5) 
    glVertex2f(-0.5,0.5) 
    glVertex2f(-0.5,-0.5) 
    glVertex2f(0.5,-0.5) 
    glEnd() 

def mouseHandle(button, state, x, y): 
    if(button == GLUT_LEFT_BUTTON and x < 150 and y < 170): 
     t=1 
     glutPostRedisplay() 
     print "1: x=",x," y=",y,"\n" 
    elif(button == GLUT_LEFT_BUTTON and x < 150 and 170 < y and y < 280): 
     t=2 
     glutPostRedisplay() 
    elif(button == GLUT_LEFT_BUTTON and x < 150 and 345 < y and y < 451): 
     t=3 
     glutPostRedisplay() 
    elif(button == GLUT_LEFT_BUTTON and x < 150 and 525 < y and y < 578): 
     t=4 
     glutPostRedisplay() 
    else: 
     glutPostRedisplay() 
glutInit('') 
glutMouseFunc(mouseHandle) 
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB) 
glutInitWindowSize(800,600) 
glutCreateWindow('Hello GLUT') 
glutDisplayFunc(display) 
init() 
glutMainLoop()

출처

2012-12-21 Hamed Momeni

모든 신체가 무엇을 알고 : 난 그냥 아래처럼 glutDisplayFunc 후 glutMouseFunc 전화를 이동해야했습니다? –

좋아, 일부 거주 후 나는 그것을 해결하는 방법을 알아 냈다.

glutInit('') 
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB) 
glutInitWindowSize(800,600) 
glutCreateWindow('Hello GLUT') 
glutDisplayFunc(display) 
glutMouseFunc(mouseHandle) 
init() 
glutMainLoop()

출처

2012-12-22 06:32:59

파이썬에서 glutMouseFunc를 사용하여 유효한 컨텍스트 없을 때

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