本文整理汇总了Python中opengltk.OpenGL.GL.glVertex3fv方法的典型用法代码示例。如果您正苦于以下问题：Python GL.glVertex3fv方法的具体用法？Python GL.glVertex3fv怎么用？Python GL.glVertex3fv使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类opengltk.OpenGL.GL的用法示例。
在下文中一共展示了GL.glVertex3fv方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: arcdraw
# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glVertex3fv [as 别名]
def arcdraw(self, x, n, radius, colxf=None):
# determine scale and rotation of template
import math
sz=0.0
y = [0, 0, 0]
for i in (0,1,2):
y[i] = x[i]+n[i]
for i in (0,1,2):
sz=sz+(x[i]-y[i])*(x[i]-y[i])
sz = sqrt(sz)
if sz==0.0:
return
rx = -180.0*acos((y[2]-x[2])/sz)/pi
rz = -180.0*atan2(y[0]-x[0],y[1]-x[1])/pi
GL.glPushMatrix()
GL.glTranslatef(float(x[0]),float(x[1]),float(x[2]))
if rz<=180.0 and rz >=-180.0:
GL.glRotatef(float(rz), 0., 0., 1.)
GL.glRotatef(float(rx), 1., 0., 0.)
GL.glScalef(float(radius),float(radius),float(sz))
# draw circle
GL.glColor4fv(colxf)
GL.glBegin(GL.GL_LINE_STRIP)
for i in range(self.nsegments+1):
GL.glVertex3fv(self.v[i])
GL.glEnd()
GL.glPopMatrix()示例2: drawpolygons
# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glVertex3fv [as 别名]
def drawpolygons(self):
g = self.geom
vertices = g.getVertices()
faces = g.getFaces()
normals = g.getFNormals()
GL.glDisable(GL.GL_CULL_FACE)
for i,f in enumerate(faces):
GL.glBegin(GL.GL_POLYGON)
GL.glNormal3fv(normals[i])
for vi in f:
GL.glVertex3fv(vertices[vi])
GL.glEnd()
i+=1示例3: Draw
# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glVertex3fv [as 别名]
def Draw(self):
if __debug__:
if hasattr(DejaVu, 'functionName'): DejaVu.functionName()
GL.glEnable(GL.GL_AUTO_NORMAL)
GL.glEnable(GL.GL_NORMALIZE)
if self.theNurb is None:
self.theNurb = GLU.gluNewNurbsRenderer()
GLU.gluNurbsProperty(self.theNurb, GLU.GLU_SAMPLING_TOLERANCE,
25.0)
GLU.gluNurbsProperty(self.theNurb, GLU.GLU_DISPLAY_MODE,
GLU.GLU_OUTLINE_POLYGON)
GLU.gluNurbsCallback(self.theNurb, GLU.GLU_ERROR, self.nurbsError)
GLU.gluBeginSurface(self.theNurb)
_glulib.gluNurbsSurface( self.theNurb,
8, self.knots,
8, self.knots,
4*3,
3,
self.ctlpoints,
4, 4,
GL.GL_MAP2_VERTEX_3)
GLU.gluEndSurface(self.theNurb)
GL.glPointSize(5.0)
GL.glDisable(GL.GL_LIGHTING)
GL.glColor3f(1.0, 1.0, 0.0)
GL.glBegin(GL.GL_POINTS)
for i in range(4):
for j in range(4):
GL.glVertex3fv(self.ctlpoints[i][j])
GL.glEnd()
GL.glDisable(GL.GL_AUTO_NORMAL)
GL.glDisable(GL.GL_NORMALIZE)示例4: drawLegendLabelName
# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glVertex3fv [as 别名]
#.........这里部分代码省略.........
labelColor2 = (.5, .5, .5)
else:
labelColor2 = labelColor
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glPushMatrix()
GL.glLoadIdentity()
if tile is None:
GL.glOrtho(0, float(fullWidth), 0, float(fullHeight), -1, 1)
else:
GL.glOrtho(float(tile[0]), float(tile[1]), float(tile[2]), float(tile[3]), -1, 1)
GL.glMatrixMode(GL.GL_MODELVIEW)
GL.glPushMatrix()
GL.glLoadIdentity()
GL.glDisable( GL.GL_LIGHTING )
GL.glPolygonMode(GL.GL_FRONT, GL.GL_FILL )
if len(backgroundColor) == 4:
GL.glEnable(GL.GL_BLEND)
GL.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA)
#because of an unexplained bug on michel's laptop,
#we don't draw the background when there is no frame
#(so michel has a way to manage the legend)
if frame is True:
#draw transparent background
GL.glDepthMask(GL.GL_FALSE)
if len(backgroundColor) == 3:
GL.glColor3fv(backgroundColor)
else:
GL.glColor4fv(backgroundColor)
GL.glBegin(GL.GL_QUADS)
GL.glVertex3fv(lPt1)
GL.glVertex3fv(lPt2)
GL.glVertex3fv(lPt3)
GL.glVertex3fv(lPt4)
GL.glEnd()
GL.glDepthMask(GL.GL_TRUE)
#draw frame
if frame is True:
GL.glPolygonMode(GL.GL_FRONT, GL.GL_LINE )
GL.glLineWidth(1)
GL.glColor3fv(labelColor2)
GL.glBegin(GL.GL_QUADS)
GL.glVertex3fv(lPt1)
GL.glVertex3fv(lPt2)
GL.glVertex3fv(lPt3)
GL.glVertex3fv(lPt4)
GL.glEnd()
GL.glPolygonMode(GL.GL_FRONT, GL.GL_FILL)
if mini is not None and maxi is not None and maxi > mini:
lUnitStep = legendLongSide/float(maxi-mini)
else:
lUnitStep = legendLongSide
GL.glDisable( GL.GL_LIGHTING )
if verticalLegend is True:
if leftOrBelowLabels is True:
lRoomLeftToLabel = -fontScaleHalf + lRoomToLegendCloseLongSide
lRoomLeftToName = -fontScaleHalf + lRoomToLegendFarLongSide - lNameWidth
lRoomLeftToUnit = -fontScaleHalf + lRoomToLegendFarLongSide - lUnitWidth
lRoomBelowName = -fontScaleHalf + roomBelowLegend - lMaxLabelsHeight - lNameHeight示例5: Draw
# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glVertex3fv [as 别名]
def Draw(self):
for i in xrange(len(self.vertexSet)):
if len(self.radii)==1:
rad = self.radii[0]
else:
rad = self.radii[i]
if len(self.angles)==1:
ang = self.angles[0]
else:
ang = self.angles[i]
vx, vy, vz = norm = self.vertexSet.normals.array[i]
if self.vectors is None:
# get orthogonal vector
dx, dy, dz = fabs(vx), fabs(vy), fabs(vz)
mini= min( [dx, dy, dz] )
if mini==dx:
nov = 1./sqrt( vz*vz+ vy*vy )
ovx = 0.
ovy = -vz*nov
ovz = vy*nov
elif mini==dy:
nov = 1./sqrt( vz*vz+ vx*vx )
ovx = -vz*nov
ovy = 0.
ovz = vx*nov
else:
nov = 1./sqrt( vy*vy+ vx*vx )
ovx = -vy*nov
ovy = vx*nov
ovz = 0.
vec = [ovx, ovy, ovz]
elif len(self.vectors)==1:
vec = self.vectors[0]
else:
vec = self.vectors[i]
angRad = ang*pi*0.00555555555556
nsegments = int(ang/self.degreesPerSegment) + 1
d = angRad / nsegments # increment
a = 0 # starting angle
GL.glNormal3fv(norm.astype('f'))
GL.glPushName(i)
GL.glBegin(GL.GL_TRIANGLE_FAN)
if self.materials[GL.GL_FRONT].binding[0]==viewerConst.PER_VERTEX:
col = self.materials[GL.GL_FRONT].prop[0]
GL.glColor4fv(col[i])
center = Numeric.array(self.vertexSet.vertices.array[i])
vec = Numeric.array(vec).astype('f')
#vec = vec/sqrt(Numeric.sum(vec*vec))
vec2 = Numeric.zeros(3, 'f')
vec2[0] = vec[1]*norm[2] - vec[2]*norm[1]
vec2[1] = vec[2]*norm[0] - vec[0]*norm[2]
vec2[2] = vec[0]*norm[1] - vec[1]*norm[0]
GL.glVertex3fv(center)
for j in range(nsegments+1):
p = center + cos(a)*vec*rad + sin(a)*vec2*rad
GL.glVertex3fv(p.astype('f'))
a = a+d
GL.glEnd()
GL.glPopName()
return 1