def initialise_opengl(self):
self.ellipsoid_proto = quadrics.proto_ellipsoid(slices=32, stacks=32)
self.principal_ellipses_tex = \
quadrics.ellipsoid_principal_sections_texture(darkening=0.75,
n_s=64, n_t=64)
self.cylindre_proto = quadrics.proto_cylinder(slices=16)
self.bond_material = gl_managed.material_model(
ambient_front_colour=(0.2, ) * 3, diffuse_front_colour=(0.1, ) * 3)
glEnable(GL_TEXTURE_2D)
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE)
def initialise_opengl(self):
self.ellipsoid_proto = quadrics.proto_ellipsoid(
slices=32, stacks=32)
self.principal_ellipses_tex = \
quadrics.ellipsoid_principal_sections_texture(darkening=0.75,
n_s=64, n_t=64)
self.cylindre_proto = quadrics.proto_cylinder(slices=16)
self.bond_material = gl_managed.material_model(
ambient_front_colour=(0.2,)*3,
diffuse_front_colour=(0.1,)*3)
glEnable(GL_TEXTURE_2D)
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE)
def InitGL(self):
gltbx.util.handle_error()
self.initialize_modelview(
angle=45) # that does glMatrixMode(GL_MODELVIEW)
# so we can safely position the light
# later in this method
self.buffer_factor = 2.
glEnable(GL_NORMALIZE) # mighty important because we use non-uniform
# scaling to render cylinders and ellipsoids,
# which also means thatGL_RESCALE_NORMALS
# would not do here
# Colours and lighting
glClearColor(0., 0., 0., 0.)
glShadeModel(GL_SMOOTH)
glEnable(GL_DEPTH_TEST)
glEnable(GL_LIGHTING)
glEnable(GL_LIGHT0)
glLightfv(GL_LIGHT0, GL_POSITION, [0, 0, 1, 0])
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE)
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, [0.5, 0.5, 0.5, 1.0])
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, (0.2, 0.2, 0.2, 1.))
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, (1, 1, 1, 1.))
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 50.)
# We build our quadrics
self.proto_cylinder = quadrics.proto_cylinder(slices=16)
self.proto_ellipsoid = quadrics.proto_ellipsoid(slices=32, stacks=32)
# We build the texture to paint the principal ellipses on ellipsoids
self.principal_ellipses_tex = \
quadrics.ellipsoid_principal_sections_texture(darkening=0.75,
n_s=64, n_t=64)
# Enable texturing and specify how to lay the texture on the ellipsoids
glEnable(GL_TEXTURE_2D)
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE)
gltbx.util.handle_error()
def InitGL(self):
gltbx.util.handle_error()
self.initialize_modelview(angle=45) # that does glMatrixMode(GL_MODELVIEW)
# so we can safely position the light
# later in this method
self.buffer_factor = 2.
glEnable(GL_NORMALIZE) # mighty important because we use non-uniform
# scaling to render cylinders and ellipsoids,
# which also means thatGL_RESCALE_NORMALS
# would not do here
# Colours and lighting
glClearColor(0., 0., 0., 0.)
glShadeModel(GL_SMOOTH)
glEnable(GL_DEPTH_TEST)
glEnable(GL_LIGHTING)
glEnable(GL_LIGHT0)
glLightfv(GL_LIGHT0, GL_POSITION, [0, 0, 1, 0])
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE)
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, [0.5, 0.5, 0.5, 1.0])
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, (0.2, 0.2, 0.2, 1.))
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, (1, 1, 1, 1.))
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 50.)
# We build our quadrics
self.proto_cylinder = quadrics.proto_cylinder(slices=16)
self.proto_ellipsoid = quadrics.proto_ellipsoid(slices=32, stacks=32)
# We build the texture to paint the principal ellipses on ellipsoids
self.principal_ellipses_tex = \
quadrics.ellipsoid_principal_sections_texture(darkening=0.75,
n_s=64, n_t=64)
# Enable texturing and specify how to lay the texture on the ellipsoids
glEnable(GL_TEXTURE_2D)
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE)
gltbx.util.handle_error()
