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PointsObject.py
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Sat, Nov 9, 11:42

PointsObject.py
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from OpenGL.GL import *
from OpenGL.GLU import *
from OpenGL.GLUT import *
from GLObject import *
from ParameterList import *
from numpy import *
import libgl
class PointsObject(GLObject):
def __init__(self,nb,ID='Points',var=None,mn=None,mx=None,pal=None):
self.ID = ID
self.ListID = None
self.nb = nb
self.mn = mn
self.mx = mx
self.var= var
self.pal= pal
# init parameters
self.param = ParametersList(self.ID)
self.param["Color_r"] = 1.0
self.param["Color_g"] = 1.0
self.param["Color_b"] = 1.0
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)
#glBegin(GL_POINTS)
#for i in range(self.nb.nbody):
# glVertex3f(self.nb.pos[i,0],self.nb.pos[i,1],self.nb.pos[i,2])
#
#glEnd()
# here, we do the same in C
#libgl.MakePointList(self.nb.pos)
#libgl.MakeArrowList(self.nb.pos,self.nb.vel,0.3)
if self.var!=None:
libgl.MakeColorPointList(self.nb.pos,self.var,float(self.mn),float(self.mx),self.pal)
else:
libgl.MakePointList(self.nb.pos)
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"])
glCallList(self.ListID)
def MulAlpha(self,f):
self.param["Color_a"] = self.param["Color_a"] * f
self.param["Color_a"] = max(0,self.param["Color_a"])
self.param["Color_a"] = min(1,self.param["Color_a"])
def DivAlpha(self,f):
self.param["Color_a"] = self.param["Color_a"] / f
self.param["Color_a"] = max(0,self.param["Color_a"])
self.param["Color_a"] = min(1,self.param["Color_a"])
def SetAlpha(self,a):
self.param["Color_a"] = a
self.param["Color_a"] = max(0,self.param["Color_a"])
self.param["Color_a"] = min(1,self.param["Color_a"])
def GetAlpha(self):
return self.param["Color_a"]
def SetColor4d(self,r,g,b,a):
self.param["Color_r"] = r
self.param["Color_g"] = g
self.param["Color_b"] = b
self.param["Color_a"] = a
def SetColor3d(self,r,g,b):
self.param["Color_r"] = r
self.param["Color_g"] = g
self.param["Color_b"] = b
def SetColor(self,c):
self.param["Color_r"] = c[0]
self.param["Color_g"] = c[1]
self.param["Color_b"] = c[2]
self.param["Color_a"] = c[3]

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