/usr/share/pyshared/VisionEgg/PyroApps/GridServer.py is in python-visionegg 1.2.1-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | #!/usr/bin/env python
#
# The Vision Egg: GridServer
#
# Copyright (C) 2001-2003 Andrew Straw.
# Author: Andrew Straw <astraw@users.sourceforge.net>
# URL: <http://www.visionegg.org/>
#
# Distributed under the terms of the GNU Lesser General Public License
# (LGPL). See LICENSE.TXT that came with this file.
import VisionEgg, string
import sys, os, math
import VisionEgg.Core
import VisionEgg.FlowControl
import VisionEgg.Textures
import VisionEgg.SphereMap
import VisionEgg.PyroHelpers
import Pyro.core
from VisionEgg.PyroApps.ScreenPositionServer import ScreenPositionMetaController
from VisionEgg.PyroApps.ScreenPositionGUI import ScreenPositionParameters
from VisionEgg.PyroApps.GridGUI import GridMetaParameters
class GridMetaController( Pyro.core.ObjBase ):
def __init__(self,screen,presentation,stimuli):
# get the instance of Stimulus that was created
assert( stimuli[0][0] == '3d_perspective_with_set_viewport_callback' )
grid = stimuli[0][1]
Pyro.core.ObjBase.__init__(self)
self.meta_params = GridMetaParameters()
if not isinstance(screen,VisionEgg.Core.Screen):
raise ValueError("Expecting instance of VisionEgg.Core.Screen")
if not isinstance(presentation,VisionEgg.FlowControl.Presentation):
raise ValueError("Expecting instance of VisionEgg.FlowControl.Presentation")
if not isinstance(grid,VisionEgg.SphereMap.AzElGrid):
raise ValueError("Expecting instance of VisionEgg.SphereMap.SphereMap")
self.p = presentation
self.stim = grid
screen.parameters.bgcolor = (1.0, 1.0, 1.0, 0.0)
def get_parameters(self):
return self.meta_params
def set_parameters(self, new_parameters):
if isinstance(new_parameters, GridMetaParameters):
self.meta_params = new_parameters
else:
raise ValueError("Argument to set_parameters must be instance of GridMetaParameters")
self.update()
def update(self):
self.p.parameters.go_duration = ( 0.0, 'seconds')
def go(self):
self.p.parameters.enter_go_loop = 1
def quit_server(self):
self.p.parameters.quit = 1
def get_meta_controller_class():
return GridMetaController
def make_stimuli():
stimulus = VisionEgg.SphereMap.AzElGrid()
def set_az_el_grid_viewport(viewport):
stimulus.parameters.my_viewport = viewport
return [('3d_perspective_with_set_viewport_callback',stimulus,set_az_el_grid_viewport)] # return ordered list of tuples
def get_meta_controller_stimkey():
return "grid_server"
# Don't do anything unless this script is being run
if __name__ == '__main__':
pyro_server = VisionEgg.PyroHelpers.PyroServer()
screen = VisionEgg.Core.Screen.create_default()
# get Vision Egg stimulus ready to go
stimuli = make_stimuli()
stimulus = stimuli[0][1]
temp = ScreenPositionParameters()
projection = VisionEgg.Core.PerspectiveProjection(temp.left,
temp.right,
temp.bottom,
temp.top,
temp.near,
temp.far)
viewport = VisionEgg.Core.Viewport(screen=screen,stimuli=[stimulus],projection=projection)
p = VisionEgg.FlowControl.Presentation(viewports=[viewport])
# now hand over control of projection to ScreenPositionMetaController
projection_controller = ScreenPositionMetaController(p,projection)
pyro_server.connect(projection_controller,"projection_controller")
# now hand over control of drum to GridMetaController
meta_controller = GridMetaController(screen,p,stimuli)
pyro_server.connect(meta_controller,get_meta_controller_stimkey())
# get listener controller and register it
p.add_controller(None,None, pyro_server.create_listener_controller())
# enter endless loop
p.run_forever()
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