Source Code for Module VisionEgg.PyroApps.ScreenPositionGUI

  1  #!/usr/bin/env python 
  2  # 
  3  # The Vision Egg: ScreenPositionGUI 
  4  # 
  5  # Copyright (C) 2001-2003 Andrew Straw. 
  6  # Author: Andrew Straw <astraw@users.sourceforge.net> 
  7  # URL: <http://www.visionegg.org/> 
  8  # 
  9  # Distributed under the terms of the GNU Lesser General Public License 
 10  # (LGPL). See LICENSE.TXT that came with this file. 
 11  # 
 12  # $Id$ 
 13   
 14  """Handle 3D perspective projection (client-side)""" 
 15   
 16  import sys, os, pickle, math, string 
 17  import Tkinter, tkFileDialog 
 18  import Pyro.core 
 19  import VisionEgg.PyroClient 
 20  import StringIO 
 21   
 22  __version__ = VisionEgg.release_name 
 23  __cvs__ = string.split('$Revision$')[1] 
 24  __date__ = string.join(string.split('$Date$')[1:3], ' ') 
 25  __author__ = 'Andrew Straw <astraw@users.sourceforge.net>' 
 26   
 27 -class ScreenPositionParameters: 
 28 -    def __init__(self): 
 29   
 30          # frustum (initial values - view portion of unit sphere) 
 31          self.left = -0.2 
 32          self.right = 0.2 
 33          self.top = 0.2 
 34          self.bottom = -0.2 
 35          self.near = 0.2 
 36          self.far = 20.0 
 37           
 38          # position/orientation 
 39          self.eye = (0.0, 0.0, 0.0) # observer position 
 40          self.center = (0.0, 0.0, -1.0) # center of gaze 
 41          self.up = (0.0, 1.0, 0.0) # up vector 
 42   
 43 -class CallbackEntry(Tkinter.Entry): 
 44 -    def __init__(self,master=None,callback=None,**kw): 
 45          Tkinter.Entry.__init__(self,master, **kw) 
 46          self.bind('<Return>',callback) 
 47          self.bind('<Tab>',callback) 
 48   
 49 -class ScreenPositionControlFrame(Tkinter.Frame): 
 50 -    def __init__(self, master=None, auto_connect=0, server_hostname='', server_port=7766, **kw): 
 51          Tkinter.Frame.__init__(self,master,**kw) 
 52          self.pyro_client = None 
 53          self.entry_width = 10 
 54          self.connected = 0 
 55          self.meta_params = ScreenPositionParameters() 
 56          self.loopable_variables = {} 
 57   
 58          row = 0 
 59          Tkinter.Label(self, 
 60                        text="3D Perspective Calibration", 
 61                        font=("Helvetica",12,"bold")).grid(row=row,column=0,columnspan=2) 
 62   
 63          row += 1 
 64          Tkinter.Label(self, 
 65                        text="This dialog allows you to enter acheive "+\ 
 66                        "the proper perspective distortion for 3D scenes." 
 67                        ).grid(row=row,column=0,columnspan=2) 
 68   
 69          if not auto_connect: 
 70              row += 1 
 71              # let columns expand 
 72              connected_frame = Tkinter.Frame(self) 
 73              connected_frame.grid(row=row,column=0,columnspan=2,sticky=Tkinter.W+Tkinter.E) 
 74              connected_frame.columnconfigure(0,weight=1) 
 75              connected_frame.columnconfigure(1,weight=1) 
 76              connected_frame.columnconfigure(2,weight=1) 
 77   
 78              self.connected_label = Tkinter.Label(connected_frame,text="Server status: Not connected") 
 79              self.connected_label.grid(row=0,column=0) 
 80              Tkinter.Button(connected_frame,text="Connect",command=self.connect).grid(row=0,column=1) 
 81              Tkinter.Button(connected_frame,text="Quit server",command=self.quit_server).grid(row=0,column=2) 
 82   
 83          row += 1 
 84          param_frame = Tkinter.Frame(self) 
 85          param_frame.grid(row=row,column=0,sticky=Tkinter.N) 
 86          param_frame.columnconfigure(0,weight=1) 
 87          param_frame.columnconfigure(1,weight=1) 
 88   
 89          pf_row = 0 
 90          frustum_frame = Tkinter.Frame(param_frame) 
 91          frustum_frame.grid(row=pf_row,column=0,columnspan=2,ipady=5) 
 92           
 93          ff_row = 0 
 94          Tkinter.Label(frustum_frame, 
 95                        text="Viewing volume size", 
 96                        font=("Helvetica",12,"bold")).grid(row=ff_row,column=0,columnspan=3,ipady=5) 
 97   
 98          ff_row += 1 
 99          Tkinter.Label(frustum_frame,text="Left:").grid(row=ff_row,column=0) 
100          self.left_tk_var = Tkinter.DoubleVar() 
101          self.left_tk_var.set(self.meta_params.left) 
102          CallbackEntry(frustum_frame, 
103                        self.send_values, 
104                        width=self.entry_width, 
105                        textvariable=self.left_tk_var).grid(row=ff_row,column=1) 
106   
107          ff_row += 1 
108          Tkinter.Label(frustum_frame,text="Right:").grid(row=ff_row,column=0) 
109          self.right_tk_var = Tkinter.DoubleVar() 
110          self.right_tk_var.set(self.meta_params.right) 
111          CallbackEntry(frustum_frame, 
112                        self.send_values, 
113                        width=self.entry_width, 
114                        textvariable=self.right_tk_var).grid(row=ff_row,column=1) 
115   
116          ff_row += 1 
117          Tkinter.Label(frustum_frame,text="Top:").grid(row=ff_row,column=0) 
118          self.top_tk_var = Tkinter.DoubleVar() 
119          self.top_tk_var.set(self.meta_params.top) 
120          CallbackEntry(frustum_frame, 
121                        self.send_values, 
122                        width=self.entry_width, 
123                        textvariable=self.top_tk_var).grid(row=ff_row,column=1) 
124           
125          ff_row += 1 
126          Tkinter.Label(frustum_frame,text="Bottom:").grid(row=ff_row,column=0) 
127          self.bottom_tk_var = Tkinter.DoubleVar() 
128          self.bottom_tk_var.set(self.meta_params.bottom) 
129          CallbackEntry(frustum_frame, 
130                        self.send_values, 
131                        width=self.entry_width, 
132                        textvariable=self.bottom_tk_var).grid(row=ff_row,column=1) 
133   
134          ff_row += 1 
135          Tkinter.Label(frustum_frame,text="Near:").grid(row=ff_row,column=0) 
136          self.near_tk_var = Tkinter.DoubleVar() 
137          self.near_tk_var.set(self.meta_params.near) 
138          CallbackEntry(frustum_frame, 
139                        self.send_values, 
140                        width=self.entry_width, 
141                        textvariable=self.near_tk_var).grid(row=ff_row,column=1) 
142   
143          ff_row += 1 
144          Tkinter.Label(frustum_frame,text="Far:").grid(row=ff_row,column=0) 
145          self.far_tk_var = Tkinter.DoubleVar() 
146          self.far_tk_var.set(self.meta_params.far) 
147          CallbackEntry(frustum_frame, 
148                        self.send_values, 
149                        width=self.entry_width, 
150                        textvariable=self.far_tk_var).grid(row=ff_row,column=1) 
151   
152          # quick frustum frame 
153          qf_frame = Tkinter.Frame(frustum_frame) 
154          qf_frame.grid(row=1,column=2,rowspan=ff_row) 
155   
156          qf_row = 0 
157          Tkinter.Button(qf_frame,text="Taller",command=self.frustum_taller).grid(row=qf_row,column=0,columnspan=2)         
158          qf_row += 1 
159          Tkinter.Button(qf_frame,text="Narrower",command=self.frustum_narrower).grid(row=qf_row,column=0) 
160          Tkinter.Button(qf_frame,text="Wider",command=self.frustum_wider).grid(row=qf_row,column=1) 
161          qf_row += 1 
162          Tkinter.Button(qf_frame,text="Shorter",command=self.frustum_shorter).grid(row=qf_row,column=0,columnspan=2)         
163   
164          qf_row = 0 
165          Tkinter.Button(qf_frame,text="Up",command=self.frustum_up).grid(row=qf_row,column=2,columnspan=2)         
166          qf_row += 1 
167          Tkinter.Button(qf_frame,text="Left",command=self.frustum_left).grid(row=qf_row,column=2) 
168          Tkinter.Button(qf_frame,text="Right",command=self.frustum_right).grid(row=qf_row,column=3) 
169          qf_row += 1 
170          Tkinter.Button(qf_frame,text="Down",command=self.frustum_down).grid(row=qf_row,column=2,columnspan=2)         
171   
172          pf_row += 1 
173          lookat_frame = Tkinter.Frame(param_frame) 
174          lookat_frame.grid(row=pf_row,column=0,columnspan=2,ipady=5) 
175           
176          la_row = 0 
177          Tkinter.Label(lookat_frame, 
178                        text="Viewing volume orientation", 
179                        font=("Helvetica",12,"bold")).grid(row=la_row,column=0,columnspan=3,ipady=5) 
180   
181          la_row += 1 
182          Tkinter.Label(lookat_frame,text="eye X:").grid(row=la_row,column=0) 
183          self.eye_x_tk_var = Tkinter.DoubleVar() 
184          self.eye_x_tk_var.set(self.meta_params.eye[0]) 
185          CallbackEntry(lookat_frame, 
186                        self.send_values, 
187                        width=self.entry_width, 
188                        textvariable=self.eye_x_tk_var).grid(row=la_row,column=1) 
189   
190          la_row += 1 
191          Tkinter.Label(lookat_frame,text="eye Y:").grid(row=la_row,column=0) 
192          self.eye_y_tk_var = Tkinter.DoubleVar() 
193          self.eye_y_tk_var.set(self.meta_params.eye[1]) 
194          CallbackEntry(lookat_frame, 
195                        self.send_values, 
196                        width=self.entry_width, 
197                        textvariable=self.eye_y_tk_var).grid(row=la_row,column=1) 
198   
199