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MultiTouchTest.py
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MultiTouchTest.py
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'''
TestDemo.py is a used to verify that TUIO events are being properly received and tracked.
A small number will be used to represent cursors.
'''
import vtk
import math
from MultiTouch import CursorTracker
try:
import tuio
except ImportError, ioe:
print >>sys.stderr, """
You have to install PyTUIO and copy it into your $PYTHONPATH.
You can grab a tarball from: http://code.google.com/p/pytuio/
"""
sys.exit(2)
class Marker:
def __init__(self, id):
# Create text mapper and 2d actor to display finger position.
self.textMapper = vtk.vtkTextMapper()
self.textMapper.SetInput(id)
self.tprop = self.textMapper.GetTextProperty()
self.tprop.SetFontFamilyToArial()
self.tprop.SetFontSize(30)
self.tprop.BoldOn()
self.tprop.ShadowOn()
self.tprop.SetColor(1, 0, 0)
self.textActor = vtk.vtkActor2D()
self.textActor.VisibilityOff()
self.textActor.SetMapper(self.textMapper)
class MultiTouchTest:
def __init__(self):
# Create the Renderer, RenderWindow, etc. and set the Picker.
self.ren = vtk.vtkRenderer()
self.renwin = vtk.vtkRenderWindow()
self.renwin.AddRenderer(self.ren)
self.ren.SetViewport(0,0,1,1)
self.iren = vtk.vtkRenderWindowInteractor()
self.iren.SetRenderWindow(self.renwin)
# Create text mappers and 2d actors to display finger position.
self.fingerMarker1 = Marker("(1)")
self.fingerMarker2 = Marker("(2)")
self.fingerMarker3 = Marker("(3)")
self.fingerMarker4 = Marker("(4)")
self.fingerMarker5 = Marker("(5)")
# Add the actors to the renderer, set the background and size
self.ren.AddActor2D(self.fingerMarker1.textActor)
self.ren.AddActor2D(self.fingerMarker2.textActor)
self.ren.AddActor2D(self.fingerMarker3.textActor)
self.ren.AddActor2D(self.fingerMarker4.textActor)
self.ren.AddActor2D(self.fingerMarker5.textActor)
self.ren.SetBackground(0, 0, 0)
self.renwin.SetSize(680, 460)
#self.renwin.FullScreenOn()
'''
TUIO STUFF
'''
self.tracking = tuio.Tracking('')
self.tracker = CursorTracker(8)
self.terminate = False
def Start(self):
self.renwin.Render()
self.RunTUIO()
def RunTUIO(self):
while not self.terminate :
while self.tracking.update():
# read the socket empty
pass
self.tracker.update(self.tracking.cursors())
self.CheckGesture()
def CheckGesture(self):
if self.tracker.fingers_detected() == 0:
print "No Fingers Detected"
self.fingerMarker1.textActor.VisibilityOff()
self.fingerMarker2.textActor.VisibilityOff()
self.fingerMarker3.textActor.VisibilityOff()
self.fingerMarker4.textActor.VisibilityOff()
self.fingerMarker5.textActor.VisibilityOff()
self.renwin.Render()
elif self.tracker.fingers_detected() == 1:
print "1 Finger Detected"
fingerID1 = self.tracker._seen.keys()[0]
finger1CurrCoords = self.tracker._coords[fingerID1]
# show finger marker
self.fingerMarker1.textActor.SetPosition(finger1CurrCoords[:2])
self.fingerMarker1.textActor.VisibilityOn()
# hide all other markers
self.fingerMarker2.textActor.VisibilityOff()
self.fingerMarker3.textActor.VisibilityOff()
self.fingerMarker4.textActor.VisibilityOff()
self.fingerMarker5.textActor.VisibilityOff()
self.renwin.Render()
elif self.tracker.fingers_detected() == 2:
print "2 Fingers Detected"
fingerID1 = self.tracker._seen.keys()[0]
fingerID2 = self.tracker._seen.keys()[1]
finger1CurrCoords = self.tracker._coords[fingerID1]
finger2CurrCoords = self.tracker._coords[fingerID2]
# show finger marker
self.fingerMarker1.textActor.SetPosition(finger1CurrCoords[:2])
self.fingerMarker2.textActor.SetPosition(finger2CurrCoords[:2])
self.fingerMarker1.textActor.VisibilityOn()
self.fingerMarker2.textActor.VisibilityOn()
# hide all other markers
self.fingerMarker3.textActor.VisibilityOff()
self.fingerMarker4.textActor.VisibilityOff()
self.fingerMarker5.textActor.VisibilityOff()
self.renwin.Render()
elif self.tracker.fingers_detected() == 3:
print "3 Fingers Detected"
fingerID1 = self.tracker._seen.keys()[0]
fingerID2 = self.tracker._seen.keys()[1]
fingerID3 = self.tracker._seen.keys()[2]
finger1CurrCoords = self.tracker._coords[fingerID1]
finger2CurrCoords = self.tracker._coords[fingerID2]
finger3CurrCoords = self.tracker._coords[fingerID3]
# show finger marker
self.fingerMarker1.textActor.SetPosition(finger1CurrCoords[:2])
self.fingerMarker2.textActor.SetPosition(finger2CurrCoords[:2])
self.fingerMarker3.textActor.SetPosition(finger3CurrCoords[:2])
self.fingerMarker1.textActor.VisibilityOn()
self.fingerMarker2.textActor.VisibilityOn()
self.fingerMarker3.textActor.VisibilityOn()
# hide all other markers
self.fingerMarker4.textActor.VisibilityOff()
self.fingerMarker5.textActor.VisibilityOff()
self.renwin.Render()
elif self.tracker.fingers_detected() == 4:
print "4 Fingers Detected"
fingerID1 = self.tracker._seen.keys()[0]
fingerID2 = self.tracker._seen.keys()[1]
fingerID3 = self.tracker._seen.keys()[2]
fingerID4 = self.tracker._seen.keys()[3]
finger1CurrCoords = self.tracker._coords[fingerID1]
finger2CurrCoords = self.tracker._coords[fingerID2]
finger3CurrCoords = self.tracker._coords[fingerID3]
finger4CurrCoords = self.tracker._coords[fingerID4]
# show finger marker
self.fingerMarker1.textActor.SetPosition(finger1CurrCoords[:2])
self.fingerMarker2.textActor.SetPosition(finger2CurrCoords[:2])
self.fingerMarker3.textActor.SetPosition(finger3CurrCoords[:2])
self.fingerMarker4.textActor.SetPosition(finger4CurrCoords[:2])
self.fingerMarker1.textActor.VisibilityOn()
self.fingerMarker2.textActor.VisibilityOn()
self.fingerMarker3.textActor.VisibilityOn()
self.fingerMarker4.textActor.VisibilityOn()
# hide all other markers
self.fingerMarker5.textActor.VisibilityOff()
self.renwin.Render()
elif self.tracker.fingers_detected() == 5:
print "5 Fingers Detected"
fingerID1 = self.tracker._seen.keys()[0]
fingerID2 = self.tracker._seen.keys()[1]
fingerID3 = self.tracker._seen.keys()[2]
fingerID4 = self.tracker._seen.keys()[3]
fingerID5 = self.tracker._seen.keys()[4]
finger1CurrCoords = self.tracker._coords[fingerID1]
finger2CurrCoords = self.tracker._coords[fingerID2]
finger3CurrCoords = self.tracker._coords[fingerID3]
finger4CurrCoords = self.tracker._coords[fingerID4]
finger5CurrCoords = self.tracker._coords[fingerID5]
# show finger marker
self.fingerMarker1.textActor.SetPosition(finger1CurrCoords[:2])
self.fingerMarker2.textActor.SetPosition(finger2CurrCoords[:2])
self.fingerMarker3.textActor.SetPosition(finger3CurrCoords[:2])
self.fingerMarker4.textActor.SetPosition(finger4CurrCoords[:2])
self.fingerMarker5.textActor.SetPosition(finger5CurrCoords[:2])
self.fingerMarker1.textActor.VisibilityOn()
self.fingerMarker2.textActor.VisibilityOn()
self.fingerMarker3.textActor.VisibilityOn()
self.fingerMarker4.textActor.VisibilityOn()
self.fingerMarker5.textActor.VisibilityOn()
self.renwin.Render()
elif self.tracker.fingers_detected() == 8:
self.terminate = True
def Kill(self):
print "Stopping TestDemo TUIO tracking"
self.tracking.stop()
print "TestDemo.py Terminated"
self.iren.GetRenderWindow().Finalize()