LineObject.py
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	from OpenGL.GL import *
	from OpenGL.GLU import *
	from OpenGL.GLUT import *

	from PyQt4 import QtCore, QtGui, QtOpenGL

	from GLObject import *
	from ParameterList import *

	class LineObject(GLObject):

	def __init__(self,wx0,wy0,wz0,wx1,wy1,wz1,ID='Line'):

	self.ID = ID
	self.ListID = None

	self.wx0 = wx0
	self.wy0 = wy0
	self.wz0 = wz0
	self.wx1 = wx1
	self.wy1 = wy1
	self.wz1 = wz1


	# init parameters
	self.param = ParametersList(self.ID)
	self.param["Color_r"] = 1.0
	self.param["Color_g"] = 0.0
	self.param["Color_b"] = 0.0
	self.param["Color_a"] = 1.0
	self.param["show"] = 1
	self.GenList()




	def GenList(self):

	if self.ListID == None:
	self.ListID = glGenLists(1)
	glNewList(self.ListID, GL_COMPILE)

	glPointSize(2.0)

	glBegin(GL_LINES)
	glVertex3f(self.wx0,self.wy0,self.wz0)
	glVertex3f(self.wx1,self.wy1,self.wz1)
	glEnd()

	glPointSize(1.0)


	glEndList()



	def Display(self,color=None):
	'''
	display the object
	'''
	if (self.param['show']):
	if color==None:
	glColor4d(self.param["Color_r"],self.param["Color_g"],self.param["Color_b"],self.param["Color_a"])
	else:
	glColor4d(color[0],color[1],color[2],self.param["Color_a"])

	glPushMatrix();
	glCallList(self.ListID)
	glPopMatrix();




	def ReadParameters(self,file):
	'''
	read parameters
	'''
	pass

	def WriteParameters(self,file):
	'''
	write parameters
	'''
	pass


	def AutoSetParameters(self,ModelSize,CenterOfMass):
	'''
	auto set parameters
	'''
	pass