Python GL.glPushMatrix方法代码示例

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPushMatrix [as 别名]
    def ConcatRotation(self, matrix, redo=1):
        if __debug__:
         if hasattr(DejaVu, 'functionName'): DejaVu.functionName()
	"""Apply the rotation matrix to the object [matrix.shape==(16,)]"""
	
	if self.redirectXform: obj = self.redirectXform
	else: obj = self
        obj._modified = True
	GL.glPushMatrix()
	GL.glLoadIdentity()
	GL.glMultMatrixf(obj.Ri)#.astype('f'))
	GL.glMultMatrixf(matrix)
	GL.glMultMatrixf(obj.R)#.astype('f'))
	GL.glMultMatrixf(obj.rotation)

	m = Numeric.array(GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX)).astype('f')
        obj.rotation = glCleanRotMat(m).astype('f')
	obj.rotation.shape = (16, )
	GL.glPopMatrix()
        for o in self.copyXform: o.ConcatRotation(matrix)

        ## This code made rotation very slow because it would rebuild the
        ## master dpyList in cases where it was not needed
##         if redo and not self.immediateRendering:
##             vi = self.viewer
##             print 'faga'
##             vi.deleteOpenglList()
           
        vi = self.viewer
        if vi.activeClippingPlanes > 0 or vi.activeScissor > 0 or \
          (vi.currentObject!=vi.rootObject and not \
           vi.redirectTransformToRoot) and redo and \
           not self.immediateRendering:
            vi.deleteOpenglList()

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPushMatrix [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()

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPushMatrix [as 别名]
    def _loopGeomsRec(self, obj):
        """ recursive method """

	GL.glPushMatrix()

        # we discard root object transformation:
        if obj is not obj.viewer.rootObject:
            if hasattr(obj, 'MakeMat'):
                obj.MakeMat()

        obj.VRML2CreatedPROTOForThisGeom = 0 # flag used in vrml2 doit()
            
        for i in range(len(obj.instanceMatricesFortran)):
            GL.glPushMatrix()
            GL.glMultMatrixf(obj.instanceMatricesFortran[i])
            obj.instanceMatricesFortranIndex = i # flag used in stl and vrml2 doit()
            
            matrix = GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX)
            self.NodeRepr(obj, matrix)

            for child in obj.children:
                
                if child.visible:
                    self._loopGeomsRec(child)

            GL.glPopMatrix()

	GL.glPopMatrix()     # Restore the matrix
        del obj.instanceMatricesFortranIndex # clean up object
        del obj.VRML2CreatedPROTOForThisGeom 

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPushMatrix [as 别名]
    def GetMatrix(self, root=None, instance=None, scale=True, transpose=True):
        if __debug__:
         if hasattr(DejaVu, 'functionName'): DejaVu.functionName()
	"""Returns the matrix by which this object is transformed
scale = False: returns the rotation and translation. no scaling info included
               Used to save the transformed geom --> coords --> new pdb file
instance is a list of integer instance indices for all parents
"""
        if root is None:
            root = self.viewer.rootObject

        if instance is None:
            instance = [0]
            p = self.parent
            while p:
                instance.append(0)
                p = p.parent

        GL.glPushMatrix()
        GL.glLoadIdentity()
        #print 'GetMatrix', instance
        self.BuildMat(self, root, scale, instance)
        #GL.glMultMatrixf(self.instanceMatricesFortran[instanceList[0]]])
        m = Numeric.array(GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX)).astype('f')
        GL.glPopMatrix()
        if Numeric.alltrue(m==Numeric.zeros(16).astype('f')):
            # this happens when Pmv has no GUI
            m = Numeric.identity(4)
        if transpose:
            return Numeric.transpose(Numeric.reshape(m, (4,4)))
        else:
            return Numeric.reshape(m, (4,4))

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPushMatrix [as 别名]
    def Draw(self):
        #print "StickerImage.Draw", self

        if self.image is None:
            return

        GL.glMatrixMode(GL.GL_PROJECTION)
        GL.glPushMatrix()
        GL.glLoadIdentity()
        Insert2d.Draw(self)
        GL.glMatrixMode(GL.GL_MODELVIEW)
        GL.glPushMatrix()
        GL.glLoadIdentity()

        GL.glDisable(GL.GL_DEPTH_TEST)
        GL.glDisable(GL.GL_LIGHTING); 

        width = self.size[0]
        height = self.size[1]

        fullWidth = self.viewer.currentCamera.width
        fullHeight = self.viewer.currentCamera.height

        # we want the anchor of the image to be at the given position
        posxFromLeft = self.position[0] * fullWidth - self.anchor[0] * width
        posyFrombottom = (1.-self.position[1]) * fullHeight - (1.-self.anchor[1]) * height
        #print "posxFromLeft, posyFrombottom", posxFromLeft, posyFrombottom

        # used for picking
        self.polygonContour = [ (posxFromLeft, posyFrombottom),
                                (posxFromLeft+width, posyFrombottom),
                                (posxFromLeft+width, posyFrombottom+height),
                                (posxFromLeft, posyFrombottom+height)
                              ]

        # this accept negative values were GL.glRasterPos2f(x,y) doesn't
        GL.glRasterPos2f(0, 0)
        _gllib.glBitmap(0, 0, 0, 0, posxFromLeft, posyFrombottom, 0)

        GL.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1)
        if self.image.mode == 'RGBA':
                _gllib.glDrawPixels(self.image.size[0], self.image.size[1], 
                                    GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, 
                                    self.image.tostring() )
        elif self.image.mode == 'RGB':
                _gllib.glDrawPixels(self.image.size[0], self.image.size[1], 
                                    GL.GL_RGB, GL.GL_UNSIGNED_BYTE, 
                                    self.image.tostring() )
        elif self.image.mode == 'L':
                _gllib.glDrawPixels(self.image.size[0], self.image.size[1], 
                                    GL.GL_LUMINANCE, GL.GL_UNSIGNED_BYTE, 
                                    self.image.tostring() )

        GL.glMatrixMode(GL.GL_PROJECTION)
        GL.glPopMatrix()
        GL.glMatrixMode(GL.GL_MODELVIEW)
        GL.glPopMatrix()

        return 1

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPushMatrix [as 别名]
 def tkRedraw(self, *dummy):
     #if not self.winfo_ismapped(): return
     self.update_idletasks()
     self.tk.call(self._w, 'makecurrent')
     self.initProjection()
     GL.glPushMatrix()
     self.redraw()
     GL.glFlush()
     GL.glPopMatrix()
     self.tk.call(self._w, 'swapbuffers')

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPushMatrix [as 别名]
    def arrowdraw(self, x, y, colxf=None, colxb=None,
                  colyf=None, colyb=None,face=None):
        # draw a cylinder going from x to y
        # col for materials
        # face can be GL_FRONT_AND_BACK or something else

        # determine scale and rotation of template
        import math
        sz=0.0
        for i in (0,1,2): sz=sz+(x[i]-y[i])*(x[i]-y[i])
        if sz <= 0.0: return
        sz = math.sqrt(sz)

        rx = -180.0*math.acos((y[2]-x[2])/sz)/math.pi
        dx = y[0]-x[0]
        dy = y[1]-x[1]
        if math.fabs(dx) < 0.00001 and math.fabs(dy) < 0.00001:
            rz = 0.0
        else:
            rz = -180.0*math.atan2(dx,dy)/math.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.)

        # draw arrow
        GL.glBegin(GL.GL_LINES)
        
        if colxf:
            
            for m in (0,1,2,3,4):
                if colxf[m] is not None:
                    glMaterialWithCheck( face, viewerConst.propConst[m],
                                         colxf[m] )
        if colxb and face!=GL.GL_FRONT_AND_BACK:
            for m in (0,1,2,3,4):
                if colxb[m] is not None:
                    glMaterialWithCheck( GL.GL_BACK,
                                         viewerConst.propConst[m],
                                         colxb[m] )
                    
        GL.glVertex3f(float(self.v[0][0]), float(self.v[0][1]), float(self.v[0][2]*sz))
        GL.glVertex3f(float(self.v[1][0]), float(self.v[1][1]), float(self.v[1][2]*sz))
        for i in range(self.npoly):
            h = i+2
            vx = self.v[h]
            GL.glVertex3f(float(self.v[1][0]), float(self.v[1][1]),
                          float(self.v[1][2]*sz))
            GL.glVertex3f(float(vx[0]*sz), float(vx[1]*sz), float(vx[2]*sz))

        GL.glEnd()

        GL.glPopMatrix()             

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPushMatrix [as 别名]
    def Draw(self):
        #print "Sticker.Draw", self
        
        GL.glMatrixMode(GL.GL_PROJECTION)
        GL.glPushMatrix()
        GL.glLoadIdentity()
        Insert2d.Draw(self)
        GL.glMatrixMode(GL.GL_MODELVIEW)
        GL.glPushMatrix()
        GL.glLoadIdentity()

        GL.glDisable(GL.GL_DEPTH_TEST)
        GL.glDisable(GL.GL_LIGHTING); 

        lLabelbounds = self.calculateSize()

        width = self.size[0]
        height = self.size[1]

        fullWidth = self.viewer.currentCamera.width
        fullHeight = self.viewer.currentCamera.height

        # we want the anchor of the image to be at the given position
        posxFromLeft = self.position[0] * fullWidth - self.anchor[0] * width
        posyFrombottom = (1.-self.position[1]) * fullHeight - (1.-self.anchor[1]) * height
        posxFromLeft = int(floor( posxFromLeft ) )
        posyFrombottom = int(floor( posyFrombottom ) )
        
        if (self.position[1] == 0.):
                posyFrombottom -= 1
        #print "posxFromLeft, posyFrombottom", posxFromLeft, posyFrombottom

        # used for picking
        self.polygonContour = [ (posxFromLeft, posyFrombottom),
                                (posxFromLeft+width, posyFrombottom),
                                (posxFromLeft+width, posyFrombottom+height),
                                (posxFromLeft, posyFrombottom+height)
                              ]

        GL.glTranslatef(float(posxFromLeft), float(posyFrombottom), 0)

        self.drawSticker(lLabelbounds)

        GL.glEnable(GL.GL_DEPTH_TEST)
        GL.glEnable(GL.GL_LIGHTING); 

        GL.glMatrixMode(GL.GL_PROJECTION)
        GL.glPopMatrix()
        GL.glMatrixMode(GL.GL_MODELVIEW)
        GL.glPopMatrix()

        return 1

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPushMatrix [as 别名]
def DrawStuff ():

    GL.glClear (GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
    
    # set up some matrices so that the object spins with the mouse 
    GL.glPushMatrix ()
    GL.glTranslatef (0.0, 0.0, -80.0)
    GL.glRotatef (lastx, 0.0, 1.0, 0.0)
    GL.glRotatef (lasty, 1.0, 0.0, 0.0)
    
    # Phew. FINALLY, Draw the polycylinder  -- 
    #gle.glePolyCylinder (NPTS, points, colors, 2.3)
    gle.glePolyCylinder (points, colors, 2.3)
    GL.glPopMatrix ()
    
    GLUT.glutSwapBuffers ()

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPushMatrix [as 别名]
    def tkRedraw(self, *dummy):
        """Cause the opengl widget to redraw itself.
guillaume: call the preparation of the opengl matrices for drawing the widget
then draw the widget 
"""
        if __debug__:
         if hasattr(DejaVu, 'functionName'): DejaVu.functionName()

        #if not self.winfo_ismapped(): return
        self.update_idletasks()
        self.tk.call(self._w, 'makecurrent')
        self.initProjection()
        GL.glPushMatrix()
        self.redraw()
        GL.glFlush()
        GL.glPopMatrix()
        self.tk.call(self._w, 'swapbuffers')

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPushMatrix [as 别名]
    def ConcatRotationRelative(self, matrix):
        if __debug__:
         if hasattr(DejaVu, 'functionName'): DejaVu.functionName()
        """Apply the rotation matrix to the object (matrix.shape ==(16,)
        Unlike ConcatRotation you just concatenate the rotation of the object
        without considering Ri and R
        """
        self._modified = True
        obj = self
	GL.glPushMatrix()
	GL.glLoadIdentity()
##         GL.glMultMatrixf(obj.rotation)
        GL.glMultMatrixf(matrix)
        GL.glMultMatrixf(obj.rotation)
        m = Numeric.array(GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX)).astype('f')
        obj.rotation = m.astype('f')
        obj.rotation.shape = (16, )
        GL.glPopMatrix()

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPushMatrix [as 别名]
    def pickDraw(self):
        """called by the picking process to operate the selection
"""
        #print "colorMapLegend.pickDraw", self
        # we draw just flat quad of the insert2d
        GL.glMatrixMode(GL.GL_PROJECTION)
        GL.glPushMatrix()       
        #GL.glLoadIdentity()
        GL.glLoadMatrixf(self.viewer.currentCamera.pickMatrix) 
        GL.glOrtho(0, float(self.viewer.currentCamera.width),
                   0, float(self.viewer.currentCamera.height), -1, 1)
        GL.glMatrixMode(GL.GL_MODELVIEW)
        GL.glPushMatrix()
        GL.glLoadIdentity()
        GL.glPolygonMode(GL.GL_FRONT, GL.GL_FILL)
        #GL.glColor3f(1,0,0)

        if self.resizeSpot is not None:
            GL.glPushName(1)
            GL.glBegin(GL.GL_QUADS)
            GL.glVertex2f(float(self.resizeSpot[0]+self.resizeSpotRadius),
                          float(self.resizeSpot[1]-self.resizeSpotRadius))
            GL.glVertex2f(float(self.resizeSpot[0]+self.resizeSpotRadius),
                          float(self.resizeSpot[1]+self.resizeSpotRadius))
            GL.glVertex2f(float(self.resizeSpot[0]-self.resizeSpotRadius),
                          float(self.resizeSpot[1]+self.resizeSpotRadius))
            GL.glVertex2f(float(self.resizeSpot[0]-self.resizeSpotRadius),
                          float(self.resizeSpot[1]-self.resizeSpotRadius))
            GL.glEnd()
            GL.glPopName()

        GL.glPushName(0)
        GL.glBegin(GL.GL_QUADS)
        GL.glVertex2fv(self.polygonContour[0])
        GL.glVertex2fv(self.polygonContour[1])
        GL.glVertex2fv(self.polygonContour[2])
        GL.glVertex2fv(self.polygonContour[3])
        GL.glEnd()
        GL.glPopName()

        GL.glMatrixMode(GL.GL_PROJECTION)
        GL.glPopMatrix()
        GL.glMatrixMode(GL.GL_MODELVIEW)
        GL.glPopMatrix()

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPushMatrix [as 别名]
    def FrameTransform(self, camera=None):
        if __debug__:
         if hasattr(DejaVu, 'functionName'): DejaVu.functionName()
	"""Build the R an RI, the object's frame transformation and inverse"""

	GL.glPushMatrix()
	self.Si = Numeric.ones( (3, ) )
	GL.glLoadIdentity()
	if hasattr(self, 'parent'):
            if self.inheritXform:
                parent = self.parent
                while (parent):
                    m = Numeric.reshape( parent.rotation, (4,4) )
                    upd = Numeric.reshape( Numeric.transpose(m), (16, ) )
                    GL.glMultMatrixf(upd)                
                    GL.glMultMatrixf(parent.MatrixRotInv)                
                    self.Si = self.Si / parent.scale
                    self.Si = self.Si / parent.MatrixScale
                    # we have to test here because we need to take into
                    # account the first parent that does not inherit while
                    # building R and Ri
                    if not parent.inheritXform:
                        break
                    parent = parent.parent


	if camera:
	    m = Numeric.reshape( camera.rotation, (4,4) )
	    upd = Numeric.reshape( Numeric.transpose(m), (16, ) )
	    GL.glMultMatrixf(upd)
            self.Si = self.Si / camera.scale

	self.Ri = Numeric.array(GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX)).astype('f')
	GL.glPopMatrix()
	self.Ri = glCleanRotMat(self.Ri).astype('f')
        self.Ri.shape = (4,4)
	self.R = Numeric.reshape( Numeric.transpose(self.Ri), (16, ) ).astype('f')
	self.Ri.shape = (16, )

	if self.redirectXform: self.redirectXform.FrameTransform(camera)
	for o in self.copyXform: o.FrameTransform(camera)

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPushMatrix [as 别名]
    def render(self, mode='render'):
        # call with mode='csg' to render simple shape to setup Zbuffer for CSG
        # call with mode='render' to render by calling geom's draw function
        if self.geom:
            #import traceback
            #print traceback.print_stack()
            #print self.geom
            #print "========================================================="
            root = self.geom.viewer.rootObject

            instance = [0]
            p = self.geom.parent
            while p:
                instance.append(0)
                p = p.parent

            #mat = Numeric.array(GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX)).astype('f')
            #print 'mat OK', mat
            GL.glPushMatrix()
            GL.glLoadIdentity()
            self.geom.viewer.currentCamera.BuildTransformation()
            self.geom.BuildMat(self.geom, root, True, instance)

            #mat = Numeric.array(GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX)).astype('f')
            #print 'mat PB', mat
            #print 'render ', mode, self.geom
            if mode=='csg':
                if self.dpyListCSG is None:
                    self.redoDisplayListCSG()
                GL.glCallList(self.dpyListCSG)
            elif mode=='render':
                obj = self.geom
                if not obj.inheritMaterial:
                    obj.InitMaterial(0)
                    obj.InitColor(0)
                obj.DisplayFunction()
                
            GL.glPopMatrix()

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPushMatrix [as 别名]
    def FrameTransform(self, camera=None):
	"""Build the R an RI, the object's frame transformation and inverse"""

	GL.glPushMatrix()
	self.Si = Numeric.ones( (3, ) )
	GL.glLoadIdentity()
	m = Numeric.reshape( self.object.rotation, (4,4) )
	upd = Numeric.reshape( Numeric.transpose(m), (16, ) )
	GL.glMultMatrixf(self.object.Ri)
	GL.glMultMatrixf(upd)
        GL.glMultMatrixf(self.object.MatrixRotInv)
        self.Si = self.Si * self.object.Si / (self.object.scale *
                                              self.object.MatrixScale)

	self.Ri = Numeric.array(GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX)).astype('f')
	GL.glPopMatrix()
	#self.Ri = Numeric.reshape(glCleanRotMat(self.Ri), (4,4) )
        self.Ri = glCleanRotMat(self.Ri)
	self.R = Numeric.reshape( Numeric.transpose(self.Ri), (16, ) ).astype('f')
	self.Ri = Numeric.reshape(self.Ri, (16, )).astype('f')

	if self.redirectXform: self.redirectXform.FrameTransform(camera)
	for o in self.copyXform: o.FrameTransform(camera)