triangle.py :  » Game-2D-3D » PyOpenGL » PyOpenGL-Demo-3.0.1b1 » PyOpenGL-Demo » dek » OglSurface » Python Open Source

Home
Python Open Source
1.3.1.2 Python
2.Ajax
3.Aspect Oriented
4.Blog
5.Build
6.Business Application
7.Chart Report
8.Content Management Systems
9.Cryptographic
10.Database
11.Development
12.Editor
13.Email
14.ERP
15.Game 2D 3D
16.GIS
17.GUI
18.IDE
19.Installer
20.IRC
21.Issue Tracker
22.Language Interface
23.Log
24.Math
25.Media Sound Audio
26.Mobile
27.Network
28.Parser
29.PDF
30.Project Management
31.RSS
32.Search
33.Security
34.Template Engines
35.Test
36.UML
37.USB Serial
38.Web Frameworks
39.Web Server
40.Web Services
41.Web Unit
42.Wiki
43.Windows
44.XML
Python Open Source » Game 2D 3D » PyOpenGL 
PyOpenGL » PyOpenGL Demo 3.0.1b1 » PyOpenGL Demo » dek » OglSurface » triangle.py
#!/usr/bin/env python

# This is statement is required by the build system to query build info
if __name__ == '__build__':
  raise Exception


import sys
import string
try:
  import numpy as Numeric
except ImportError, err:
  try: 
    import Numeric
  except ImportError, err:
    print "This demo requires the numpy or Numeric extension, sorry"
    import sys
    sys.exit()
import NumericPDB
import string
from OpenGL.GL import *
from OpenGL.Tk import *
import Image
import OglFrame

MAP="test.ppm"

class Surface:
  def SetupWindow(self):
    self.OglFrame = OglFrame.OglFrame(None, 
                      redraw=self.Display, 
                      depth=1,
                      double=1)
    self.OglFrame.ogl.set_background(0,0,0)

  def Display(self, event=None):
    glEnable(GL_DEPTH_TEST)
    glDepthMask(GL_TRUE)
    glEnable(GL_CULL_FACE)
    glCullFace(GL_BACK)

    if self.surface:
      glCallList(self.surfacelist)
    if self.bond:
      glCallList(self.bondlist)

  def SetupSurface(self):
    self.surfacelist = glGenLists(1)
    glNewList(self.surfacelist, GL_COMPILE);
    
    glEnable(GL_LIGHTING)
    glEnable(GL_BLEND)

    color1 = color2 = color3 = (1,1,1,1)
    glColorMaterial(GL_FRONT, GL_DIFFUSE)
    glEnable(GL_COLOR_MATERIAL)
    glBegin(GL_TRIANGLES)
    for i in range(len(self.faces)):

      tri = self.faces[i]
      vert1 = tuple(self.vert[tri[0]-1])
      vert2 = tuple(self.vert[tri[1]-1])
      vert3 = tuple(self.vert[tri[2]-1])
      norm1 = tuple(self.norm[tri[0]-1])
      norm2 = tuple(self.norm[tri[1]-1])
      norm3 = tuple(self.norm[tri[2]-1])

      color = self.colorlist[int(self.nearest[tri[0]-1])-1]
      glColor3f(color[0], color[1], color[2])
      glNormal3fv(norm1)
      glVertex3fv(vert1)

      color = self.colorlist[int(self.nearest[tri[1]-1])-1]
      glColor3f(color[0], color[1], color[2])
      glNormal3fv(norm2)
      glVertex3fv(vert2)

      color = self.colorlist[int(self.nearest[tri[2]-1])-1]
      glColor3f(color[0], color[1], color[2])
      glNormal3fv(norm3)
      glVertex3fv(vert3)

    glEnd()
    glDisable(GL_LIGHTING)
    glDisable(GL_BLEND)
    glEndList()

    self.surface=1

  def SetupBonds(self):
    self.bond=1
    self.bondlist = glGenLists(1)
    glNewList(self.bondlist, GL_COMPILE);
    glDisable(GL_LIGHTING)
    glDisable(GL_BLEND)
    glBegin(GL_LINES)
    for i in self.topol:
      at1, at2 = i[0], i[1]
      color = self.colorlist2[at1]
      apply(glColor3f, tuple(color))
      glVertex3f(self.crd[at1][0], \
            self.crd[at1][1], \
            self.crd[at1][2])
      color = self.colorlist2[at2]
      apply(glColor3f, tuple(color))
      glVertex3f(self.crd[at2][0], \
            self.crd[at2][1], \
            self.crd[at2][2])
    glEnd()
    glEnable(GL_BLEND)
    glEndList()

  def ReadSurface(self):
    f = open(self.facefile)
    l = f.readlines()
    data = string.split(l[2])
    numfaces = string.atoi(data[0])
    spheres = string.atoi(data[1])
    probe_r = string.atof(data[2])
    density = string.atof(data[3])
    print "Numfaces, spheres, probe_r, density"
    print numfaces, spheres, probe_r, density

    self.faces = Numeric.zeros((numfaces, 3))
    for i in range(numfaces):
      data = string.split(l[i+3])
      self.faces[i] = map(string.atoi, data[:3])
    f.close()

    f = open(self.vertfile)
    l = f.readlines()
    data = string.split(l[2])
    vertices = string.atoi(data[0])
    spheres = string.atoi(data[1])
    probe_r = string.atof(data[2])
    density = string.atof(data[3])
    print "Vertices, spheres, probe_r, density"
    print vertices, spheres, probe_r, density
    f.close()

    self.vert = Numeric.zeros((vertices, 3), 'f')
    self.norm = Numeric.zeros((vertices, 3), 'f')
    self.nearest = Numeric.zeros((vertices))
    for i in range(vertices):
      data = string.split(l[i+3])
      self.vert[i] = map(string.atof, data[:3])
      self.norm[i] = map(string.atof, data[3:6])
      self.nearest[i] = string.atoi(data[7])

    vcen = Numeric.add.reduce(self.vert)/len(self.vert)
    self.OglFrame.ogl.set_centerpoint(vcen[0], vcen[1], vcen[2])
    

  def ReadPDB(self):
    p = NumericPDB.PDB(self.pdbfile)
    atomlist = map(lambda x: x.atom, p.records)
    k = self.colordict.keys()
    self.colorlist = []
    self.maplist = []
    for i in atomlist:
      if i[0] in k:
        self.colorlist.append(self.colordict[i[0]])
        self.maplist.append(self.mapdict[i[0]])
      else:
        print "unfound atom type:", i
        self.colorlist.append(self.colordict['U'])
        self.maplist.append(self.mapdict['U'])


  def MakeImage(self):
    im = Image.open(self.map)
    self.imageWidth = im.size[0]
    self.imageHeight = im.size[1]
    self.image = im.tostring("raw", "RGBX", 0, -1)

  def __init__(self, facefile="1crn.face", vertfile="1crn.vert", pdbfile="1crn.pdb"):
    self.facefile = facefile
    self.vertfile = vertfile
    self.pdbfile = pdbfile

    self.map = MAP

    alpha = 1
    self.colordict = {'C':[.5,.5,.5,alpha], 'O':[1,0,0,alpha], 'N':[0,0,1,alpha], 'S':[1,1,0,alpha], 'P':[1,0,1,alpha],'H':[1,1,1,alpha], 'U':[0,0,0,alpha]}
    self.mapdict = {'C':0.5, 'O':.9, 'N':0.1, 'S':0.5, 'P':0.5,'H':0.5, 'U':0.5}
    self.surface = None
    self.bond = None
    self.SetupWindow()



    self.ReadPDB()
    self.MakeImage()
    self.ReadSurface()
    self.SetupSurface()


##    self.OglFrame.ogl.tkRedraw()
##    out=tkinter.dooneevent(tkinter.DONT_WAIT)
##    while (out):
##      out=tkinter.dooneevent(tkinter.DONT_WAIT)
##    self.OglFrame.Photo()

    self.OglFrame.mainloop()


if __name__ == '__main__':
  s = Surface()
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.