mirror of
https://github.com/NGSolve/netgen.git
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114 lines
2.2 KiB
Python
114 lines
2.2 KiB
Python
from netgen.csg import *
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import netgen.meshing as meshing
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import libvisual
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from OpenGL.GL import *
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from OpenGL.GLU import *
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from OpenGL.GLUT import *
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sp1 = Sphere (Pnt(0,0,0), 0.2)
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sp2 = Sphere (Pnt(0.5,0,0), 0.2)
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all = sp1+sp2
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geom = CSGeometry()
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geom.Add (all)
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param = meshing.MeshingParameters()
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param.maxh = 0.1
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m1 = GenerateMesh (geom, param)
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vismesh = libvisual.meshvis.VS(m1)
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vis = VS(geom)
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# vis.Draw()
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window = 0 # glut window number
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width, height = 500, 500
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def mydraw():
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vis.Draw()
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glutSwapBuffers()
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xold = -1;
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yold = -1;
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mode = 'r'
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def myMotionHandler( x, y ):
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global xold, yold
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MouseMove(vis,xold,yold, x,y, mode) # 'm','z'
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xold = x
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yold = y
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glutPostRedisplay()
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# mydraw()
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def myPassiveMotionHandler( x, y ):
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global xold, yold
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xold = x
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yold = y
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def myMouseHandler( button, state, x, y ):
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print(button,state,x,y)
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modes = {0:'r', 1:'m', 2:'z'}
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global mode
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if button<3:
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if state==0:
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mode = modes[button]
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else:
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mode = 'r'
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glutInit("mainwin") # initialize glut
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glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_ALPHA | GLUT_DEPTH)
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glutInitWindowSize(width, height) # set window size
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glutInitWindowPosition(0, 0) # set window position
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window = glutCreateWindow(b"ngs") # create window with title
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glutMotionFunc(myMotionHandler)
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glutMouseFunc(myMouseHandler)
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glutPassiveMotionFunc(myPassiveMotionHandler)
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glutDisplayFunc(mydraw) # set draw function callback
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# glutIdleFunc(mydraw) # draw all the time
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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pnear = 0.1;
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pfar = 10;
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gluPerspective(20.0, 1.0*width / height, pnear, pfar);
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glViewport(0, 0, width, height);
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glMatrixMode(GL_MODELVIEW);
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glutMainLoop()
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# import threading
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# threading.start_new_thread (glutMainLoop, [])
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# from threading import Thread
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# thread = Thread(target = glutMainLoop)
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# thread.start()
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# thread.join()
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# param = meshing.MeshingParameters(maxh=0.2)
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# mesh = GenerateMesh (geom, param)
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# mesh.Save ("test.vol")
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