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Commit 903e7b3c authored by Keegi's avatar Keegi
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Merge branch 'master' into experimental

parents 55dd4239 65f4fb25
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stlview.py 0 → 100644
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#!/usr/bin/python
import os
import wx,math,stltool
from wx import glcanvas
import time
import threading
import pyglet
pyglet.options['shadow_window'] = False
pyglet.options['debug_gl'] = False
from pyglet import gl
from pyglet.gl import *
class GLPanel(wx.Panel):
'''A simple class for using OpenGL with wxPython.'''
def __init__(self, parent, id, pos=wx.DefaultPosition,
size=wx.DefaultSize, style=0):
# Forcing a no full repaint to stop flickering
style = style | wx.NO_FULL_REPAINT_ON_RESIZE
#call super function
super(GLPanel, self).__init__(parent, id, pos, size, style)
#init gl canvas data
self.GLinitialized = False
attribList = (glcanvas.WX_GL_RGBA, # RGBA
glcanvas.WX_GL_DOUBLEBUFFER, # Double Buffered
glcanvas.WX_GL_DEPTH_SIZE, 24) # 24 bit
# Create the canvas
self.sizer = wx.BoxSizer(wx.HORIZONTAL)
self.canvas = glcanvas.GLCanvas(self, attribList=attribList)
self.sizer.Add(self.canvas, 1, wx.EXPAND)
self.SetSizer(self.sizer)
#self.sizer.Fit(self)
self.Layout()
# bind events
self.canvas.Bind(wx.EVT_ERASE_BACKGROUND, self.processEraseBackgroundEvent)
self.canvas.Bind(wx.EVT_SIZE, self.processSizeEvent)
self.canvas.Bind(wx.EVT_PAINT, self.processPaintEvent)
#==========================================================================
# Canvas Proxy Methods
#==========================================================================
def GetGLExtents(self):
'''Get the extents of the OpenGL canvas.'''
return self.canvas.GetClientSize()
def SwapBuffers(self):
'''Swap the OpenGL buffers.'''
self.canvas.SwapBuffers()
#==========================================================================
# wxPython Window Handlers
#==========================================================================
def processEraseBackgroundEvent(self, event):
'''Process the erase background event.'''
pass # Do nothing, to avoid flashing on MSWin
def processSizeEvent(self, event):
'''Process the resize event.'''
if self.canvas.GetContext():
# Make sure the frame is shown before calling SetCurrent.
self.Show()
self.canvas.SetCurrent()
size = self.GetGLExtents()
self.winsize = (size.width, size.height)
self.width, self.height = size.width, size.height
self.OnReshape(size.width, size.height)
self.canvas.Refresh(False)
event.Skip()
def processPaintEvent(self, event):
'''Process the drawing event.'''
self.canvas.SetCurrent()
# This is a 'perfect' time to initialize OpenGL ... only if we need to
if not self.GLinitialized:
self.OnInitGL()
self.GLinitialized = True
self.OnDraw()
event.Skip()
def Destroy(self):
#clean up the pyglet OpenGL context
#self.pygletcontext.destroy()
#call the super method
super(wx.Panel, self).Destroy()
#==========================================================================
# GLFrame OpenGL Event Handlers
#==========================================================================
def OnInitGL(self):
'''Initialize OpenGL for use in the window.'''
#create a pyglet context for this panel
self.pmat=(GLdouble * 16)()
self.mvmat=(GLdouble * 16)()
self.pygletcontext = Context(current_context)
self.pygletcontext.set_current()
self.dist=1000
self.vpmat=None
#normal gl init
glClearColor(0, 0, 0, 0.5)
glColor3f(1, 0, 0)
glEnable(GL_DEPTH_TEST)
glEnable(GL_CULL_FACE)
# Uncomment this line for a wireframe view
#glPolygonMode(GL_FRONT_AND_BACK, GL_LINE)
# Simple light setup. On Windows GL_LIGHT0 is enabled by default,
# but this is not the case on Linux or Mac, so remember to always
# include it.
glEnable(GL_LIGHTING)
glEnable(GL_LIGHT0)
glEnable(GL_LIGHT1)
# Define a simple function to create ctypes arrays of floats:
def vec(*args):
return (GLfloat * len(args))(*args)
glLightfv(GL_LIGHT0, GL_POSITION, vec(.5, .5, 1, 0))
glLightfv(GL_LIGHT0, GL_SPECULAR, vec(.5, .5, 1, 1))
glLightfv(GL_LIGHT0, GL_DIFFUSE, vec(1, 1, 1, 1))
glLightfv(GL_LIGHT1, GL_POSITION, vec(1, 0, .5, 0))
glLightfv(GL_LIGHT1, GL_DIFFUSE, vec(.5, .5, .5, 1))
glLightfv(GL_LIGHT1, GL_SPECULAR, vec(1, 1, 1, 1))
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, vec(0.5, 0, 0.3, 1))
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, vec(1, 1, 1, 1))
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 200)
glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, vec(0,0.1,0,0.9))
#create objects to draw
#self.create_objects()
def OnReshape(self, width, height):
'''Reshape the OpenGL viewport based on the dimensions of the window.'''
if not self.GLinitialized:
self.OnInitGL()
self.GLinitialized = True
self.pmat=(GLdouble * 16)()
self.mvmat=(GLdouble * 16)()
glViewport(0, 0, width, height)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(60., width / float(height), .1, 1000.)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
#pyglet stuff
self.vpmat=(GLint * 4)(0,0,*list(self.GetClientSize()))
glGetDoublev(GL_PROJECTION_MATRIX,self.pmat)
glGetDoublev(GL_MODELVIEW_MATRIX,self.mvmat)
#glMatrixMode(GL_PROJECTION)
# Wrap text to the width of the window
if self.GLinitialized:
self.pygletcontext.set_current()
self.update_object_resize()
def OnDraw(self, *args, **kwargs):
"""Draw the window."""
#clear the context
self.canvas.SetCurrent()
self.pygletcontext.set_current()
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT)
#draw objects
self.draw_objects()
#update screen
self.SwapBuffers()
#==========================================================================
# To be implemented by a sub class
#==========================================================================
def create_objects(self):
'''create opengl objects when opengl is initialized'''
pass
def update_object_resize(self):
'''called when the window recieves only if opengl is initialized'''
pass
def draw_objects(self):
'''called in the middle of ondraw after the buffer has been cleared'''
pass
class stlview(object):
list = None
def __init__(self, facets, batch):
# Create the vertex and normal arrays.
vertices = []
normals = []
for i in facets:
for j in i[1]:
vertices.extend(j)
normals.extend(i[0])
# Create a list of triangle indices.
indices = range(3*len(facets))#[[3*i,3*i+1,3*i+2] for i in xrange(len(facets))]
#print indices[:10]
self.vertex_list = batch.add_indexed(len(vertices)//3,
GL_TRIANGLES,
None,#group,
indices,
('v3f/static', vertices),
('n3f/static', normals))
def delete(self):
self.vertex_list.delete()
def trackball(p1x, p1y, p2x, p2y, r):
TRACKBALLSIZE=r
#float a[3]; /* Axis of rotation */
#float phi; /* how much to rotate about axis */
#float p1[3], p2[3], d[3];
#float t;
if (p1x == p2x and p1y == p2y):
return [0.0,0.0,0.0,1.0]
p1=[p1x,p1y,project_to_sphere(TRACKBALLSIZE,p1x,p1y)]
p2=[p2x,p2y,project_to_sphere(TRACKBALLSIZE,p2x,p2y)]
a=stltool.cross(p2,p1)
d=map(lambda x,y:x-y,p1,p2)
t = math.sqrt(sum(map(lambda x:x*x, d))) / (2.0*TRACKBALLSIZE)
if (t > 1.0): t = 1.0
if (t < -1.0): t = -1.0
phi = 2.0 * math.asin(t)
return axis_to_quat(a,phi)
def vec(*args):
return (GLfloat * len(args))(*args)
def axis_to_quat(a,phi):
#print a, phi
lena=math.sqrt(sum(map(lambda x:x*x, a)))
q=map(lambda x:x*(1/lena),a)
q=map(lambda x:x*math.sin(phi/2.0),q)
q.append(math.cos(phi/2.0))
return q
def build_rotmatrix(q):
m=(GLdouble * 16)()
m[0] = 1.0 - 2.0 * (q[1] * q[1] + q[2] * q[2])
m[1] = 2.0 * (q[0] * q[1] - q[2] * q[3]);
m[2] = 2.0 * (q[2] * q[0] + q[1] * q[3]);
m[3] = 0.0;
m[4] = 2.0 * (q[0] * q[1] + q[2] * q[3]);
m[5]= 1.0 - 2.0 * (q[2] * q[2] + q[0] * q[0]);
m[6] = 2.0 * (q[1] * q[2] - q[0] * q[3]);
m[7] = 0.0;
m[8] = 2.0 * (q[2] * q[0] - q[1] * q[3]);
m[9] = 2.0 * (q[1] * q[2] + q[0] * q[3]);
m[10] = 1.0 - 2.0 * (q[1] * q[1] + q[0] * q[0]);
m[11] = 0.0;
m[12] = 0.0;
m[13] = 0.0;
m[14] = 0.0;
m[15] = 1.0;
return m
def project_to_sphere(r, x, y):
d = math.sqrt(x*x + y*y)
if (d < r * 0.70710678118654752440):
return math.sqrt(r*r - d*d)
else:
t = r / 1.41421356237309504880
return t*t / d
def mulquat(q1,rq):
return [q1[3] * rq[0] + q1[0] * rq[3] + q1[1] * rq[2] - q1[2] * rq[1],
q1[3] * rq[1] + q1[1] * rq[3] + q1[2] * rq[0] - q1[0] * rq[2],
q1[3] * rq[2] + q1[2] * rq[3] + q1[0] * rq[1] - q1[1] * rq[0],
q1[3] * rq[3] - q1[0] * rq[0] - q1[1] * rq[1] - q1[2] * rq[2]]
class TestGlPanel(GLPanel):
def __init__(self, parent, id=wx.ID_ANY, pos=(10, 10)):
super(TestGlPanel, self).__init__(parent, id, wx.DefaultPosition, wx.DefaultSize, 0)
self.batches=[]
self.rot=0
self.canvas.Bind(wx.EVT_MOUSE_EVENTS,self.move)
self.initialized=1
self.canvas.Bind(wx.EVT_MOUSEWHEEL,self.wheel)
self.initp=None
self.selected=0
self.dist=200
self.transv=[0, 0, -self.dist]
self.basequat=[0,0,0,1]
wx.CallAfter(self.forceresize)
def forceresize(self):
self.SetClientSize((self.GetClientSize()[0],self.GetClientSize()[1]+1))
self.SetClientSize((self.GetClientSize()[0],self.GetClientSize()[1]-1))
threading.Thread(target=self.update).start()
self.initialized=0
def move(self, event):
if event.Dragging() and event.LeftIsDown():
if self.initp==None:
self.initp=event.GetPositionTuple()
else:
if event.ShiftDown():
if self.selected<0:
return
p1=list(self.initp)
p1[1]*=-1
self.initp=None
p2=list(event.GetPositionTuple())
p2[1]*=-1
self.batches[self.selected][0]=map(lambda old,new,original:original+(new-old), list(p1)+[0],list(p2)+[0],self.batches[0][0])
return
#print self.initp
p1=self.initp
self.initp=None
p2=event.GetPositionTuple()
sz=self.GetClientSize()
p1x=(float(p1[0])-sz[0]/2)/(sz[0]/2)
p1y=-(float(p1[1])-sz[1]/2)/(sz[1]/2)
p2x=(float(p2[0])-sz[0]/2)/(sz[0]/2)
p2y=-(float(p2[1])-sz[1]/2)/(sz[1]/2)
#print p1x,p1y,p2x,p2y
quat=trackball(p1x, p1y, p2x, p2y, -self.transv[2]/250.0)
if self.rot:
self.basequat=mulquat(self.basequat,quat)
#else:
glGetDoublev(GL_MODELVIEW_MATRIX,self.mvmat)
#self.basequat=quatx
mat=build_rotmatrix(self.basequat)
glLoadIdentity()
#glTranslatef(-self.transv[0],-self.transv[1],-self.transv[2])
glTranslatef(*self.transv)
glMultMatrixd(mat)
glGetDoublev(GL_MODELVIEW_MATRIX,self.mvmat)
self.rot=1
elif event.ButtonUp(wx.MOUSE_BTN_LEFT):
if self.initp is not None:
self.initp=None
elif event.ButtonUp(wx.MOUSE_BTN_RIGHT):
if self.initp is not None:
self.initp=None
elif event.Dragging() and event.RightIsDown():
if self.initp is None:
self.initp=event.GetPositionTuple()
else:
p1=self.initp
p2=event.GetPositionTuple()
sz=self.GetClientSize()
p1=list(p1)
p2=list(p2)
p1[1]*=-1
p2[1]*=-1
self.transv=map(lambda x,y,z,c:c-self.dist*(x-y)/z, list(p1)+[0], list(p2)+[0], list(sz)+[1], self.transv)
glLoadIdentity()
glTranslatef(*self.transv)
if(self.rot):
glMultMatrixd(build_rotmatrix(self.basequat))
glGetDoublev(GL_MODELVIEW_MATRIX,self.mvmat)
self.rot=1
self.initp=None
def wheel(self,event):
z=event.GetWheelRotation()
delta=10
if event.ShiftDown():
if self.selected<0:
return
if z > 0:
self.batches[self.selected][2]+=delta/2
else:
self.batches[self.selected][2]-=delta/2
return
if z > 0:
self.transv[2]+=delta
else:
self.transv[2]-=delta
glLoadIdentity()
glTranslatef(*self.transv)
if(self.rot):
glMultMatrixd(build_rotmatrix(self.basequat))
glGetDoublev(GL_MODELVIEW_MATRIX,self.mvmat)
self.rot=1
def update(self):
while(1):
dt=0.05
time.sleep(0.05)
try:
wx.CallAfter(self.Refresh)
except:
return
#continue
global rx, ry, rz
rx += dt * 1
ry += dt * 80
rz += dt * 30
rx %= 360
ry %= 360
rz %= 360
def create_objects(self):
'''create opengl objects when opengl is initialized'''
import stltool
batch = pyglet.graphics.Batch()
s= stltool.stl("x-end-idler.stl")
stl = stlview(s.facets, batch=batch)
#print "added vertices"
self.batches+=[[[50,50,0],batch,0]]
#batch = pyglet.graphics.Batch()
#s= stltool.stl("../prusa/metric-prusa/mbotplate1.stl")
#stl = stlview(s.facets, batch=batch)
#print "added vertices"
#self.batches+=[([-50,-50,0],batch)]
self.initialized=1
wx.CallAfter(self.Refresh)
def update_object_resize(self):
'''called when the window recieves only if opengl is initialized'''
pass
def draw_objects(self):
'''called in the middle of ondraw after the buffer has been cleared'''
if self.vpmat is None:
return
if not self.initialized:
self.create_objects()
#glLoadIdentity()
#print list(self.pmat)
if self.rot==1:
glLoadIdentity()
glMultMatrixd(self.mvmat)
else:
glLoadIdentity()
glTranslatef(*self.transv)
#glRotatef(rz, 0, 0, 1)
#glRotatef(ry, 0, 1, 0)
#glRotatef(rx, 1, 0, 0)
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, vec(0.2, 0.2, 0.2, 1))
glBegin(GL_LINES)
rows=10
cols=10
zheight=50
for i in xrange(-rows,rows+1):
if i%5==0:
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, vec(0.6, 0.6, 0.6, 1))
else:
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, vec(0.2, 0.2, 0.2, 1))
glVertex3f(10*-cols, 10*i,0)
glVertex3f(10*cols, 10*i,0)
for i in xrange(-cols,cols+1):
if i%5==0:
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, vec(0.6, 0.6, 0.6, 1))
else:
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, vec(0.2, 0.2, 0.2, 1))
glVertex3f(10*i, 10*-rows,0)
glVertex3f(10*i, 10*rows,0)
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, vec(0.6, 0.6, 0.6, 1))
glVertex3f(10*-cols, 10*-rows,0)
glVertex3f(10*-cols, 10*-rows,zheight)
glVertex3f(10*cols, 10*rows,0)
glVertex3f(10*cols, 10*rows,zheight)
glVertex3f(10*cols, 10*-rows,0)
glVertex3f(10*cols, 10*-rows,zheight)
glVertex3f(10*-cols, 10*rows,0)
glVertex3f(10*-cols, 10*rows,zheight)
glVertex3f(10*-cols, 10*rows,zheight)
glVertex3f(10*cols, 10*rows,zheight)
glVertex3f(10*cols, 10*rows,zheight)
glVertex3f(10*cols, 10*-rows,zheight)
glVertex3f(10*cols, 10*-rows,zheight)
glVertex3f(10*-cols, 10*-rows,zheight)
glVertex3f(10*-cols, 10*-rows,zheight)
glVertex3f(10*-cols, 10*rows,zheight)
glEnd()
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, vec(0.5, 0.6, 0.3, 1))
#glTranslatef(0,40,0)
for i in self.batches:
glPushMatrix()
glTranslatef(*i[0])
glRotatef(i[2],0.0,0.0,1.0)
#glScalef(1,1,0)
i[1].draw()
glPopMatrix()
#print "drawn batch"
class TestFrame(wx.Frame):
'''A simple class for using OpenGL with wxPython.'''
def __init__(self, parent, ID, title, pos=wx.DefaultPosition,
size=wx.DefaultSize, style=wx.DEFAULT_FRAME_STYLE):
super(TestFrame, self).__init__(parent, ID, title, pos, size, style)
self.mainsizer = wx.BoxSizer(wx.HORIZONTAL)
self.GLPanel1 = TestGlPanel(self)
self.mainsizer.Add(self.GLPanel1, 1, wx.EXPAND)
#self.GLPanel2 = TestGlPanel(self, wx.ID_ANY, (20, 20))
#self.mainsizer.Add(self.GLPanel2, 1, wx.EXPAND)
self.SetSizer(self.mainsizer)
#self.mainsizer.Fit(self)
self.Layout()
rx = ry = rz = 0
app = wx.App(redirect=False)
frame = TestFrame(None, wx.ID_ANY, 'GL Window', size=(400,400))
#frame = wx.Frame(None, -1, "GL Window", size=(400,400))
#panel = TestGlPanel(frame)
frame.Show(True)
app.MainLoop()
app.Destroy()
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