Exemplo n.º 1
0
 def __init__(self, width, height, depth):
     self.width = width
     self.height = height
     self.depth = depth
     self._dev = Fake("", self.width, self.height, self.depth)
     self.vision = VisionSystem()
     self.vision.registerCameraDevice(self._dev)
     self._cbuf = self.vision.getMMap()
     # -------------------------------------------------
     self.rgb = (0, 1, 2)  # offsets to RGB
     self.format = "RGB"
     Camera.__init__(self, self.width, self.height, self.depth,
                     "Fake Camera View")
     self.subtype = "simulated"
     self.data = CBuffer(self._cbuf)
Exemplo n.º 2
0
 def __init__(self, robot, visionSystem):
     self.robot = robot
     self.width = 320
     self.height = 240
     self.depth = 3
     self._dev = Fake("", self.width, self.height, self.depth)
     self.vision = VisionSystem()
     self.vision.registerCameraDevice(self._dev)
     self._cbuf = self.vision.getMMap()
     # -------------------------------------------------
     self.rgb = (0, 1, 2)  # offsets to RGB
     self.format = "RGB"
     Camera.__init__(self, self.width, self.height, self.depth,
                     "Rovio Camera View")
     self.subtype = "rovio"
     self.data = CBuffer(self._cbuf)
Exemplo n.º 3
0
    def __init__(self,
                 pattern=None,
                 start=0,
                 stop=19,
                 char="?",
                 interval=1.0,
                 visionSystem=None,
                 verbose=0):
        """
      pattern is a filename with indicators on where to put digits for the
      sequence.  Absolute or relative filenames can be used.

      For example, 'image???-.ppm' would start at 'image000.ppm'
      and continue up to stop.
      
      char is the character that should be replaced in the pattern.

      interval = how often do I get new image

      As an example, to load som-0.ppm through som-19.ppm, we could call
      FakeCamera('vision/snaps/som-?.ppm', 0, 19)
      """
        if pattern == None:
            pattern = "vision/snaps/som-?.ppm"
        self.pattern = pattern
        self.stop = stop
        self.start = start
        self.current = start
        self.setUpdateInterval(interval)
        self.verbose = verbose
        self.lastUpdate = 0
        #create a matchdata object that we will store
        self.match = re.search(re.escape(char) + "+", pattern)
        #create a format string that we can use to replace the
        #replace characters
        if self.match:
            self.fstring = "%%0%dd" % len(self.match.group())
            currname = self.pattern[:self.match.start()] + \
                       self.fstring % self.current + \
                       self.pattern[self.match.end():]
        else:
            currname = self.pattern
        if system.file_exists(currname):
            self.path = ''
        elif system.file_exists(os.getenv('PYROBOT') + "/" + currname):
            self.path = os.getenv('PYROBOT') + "/"
        else:
            raise ValueError("file not found: '%s'" % currname)
        if self.verbose:
            print("info: reading file '%s'..." % (self.path + currname))
        self._dev = Fake(self.path + currname)
        # connect vision system: --------------------------
        if visionSystem:
            self.vision = visionSystem
            self.vision.registerCameraDevice(self._dev)
            self.width = self.vision.getWidth()
            self.height = self.vision.getHeight()
            self.depth = self.vision.getDepth()
            self._cbuf = self.vision.getMMap()
        else:
            self.vision = None
            self.width = 0
            self.height = 0
            self.depth = 0
            self._cbuf = None
        # -------------------------------------------------
        self.rgb = (0, 1, 2)  # offsets to RGB
        self.format = "RGB"
        Camera.__init__(self, self.width, self.height, self.depth,
                        "Fake Camera View")
        self.subtype = "simulated"
        self.source = self.pattern
        self.data = CBuffer(self._cbuf)
        self.oldStart = None
        self.oldStop = None
Exemplo n.º 4
0
   def __init__(self, pattern = None,
                start = 0, stop = 19, char = "?",
                interval = 1.0, visionSystem = None, verbose = 0):
      """
      pattern is a filename with indicators on where to put digits for the
      sequence.  Absolute or relative filenames can be used.

      For example, 'image???-.ppm' would start at 'image000.ppm'
      and continue up to stop.
      
      char is the character that should be replaced in the pattern.

      interval = how often do I get new image

      As an example, to load som-0.ppm through som-19.ppm, we could call
      FakeCamera('vision/snaps/som-?.ppm', 0, 19)
      """
      if pattern == None:
         pattern = "vision/snaps/som-?.ppm"
      self.pattern = pattern
      self.stop = stop
      self.start = start
      self.current = start
      self.setUpdateInterval(interval)
      self.verbose = verbose
      self.lastUpdate = 0
      #create a matchdata object that we will store
      self.match = re.search(re.escape(char) + "+", pattern)
      #create a format string that we can use to replace the
      #replace characters
      if self.match:
         self.fstring = "%%0%dd" % len(self.match.group())
         currname = self.pattern[:self.match.start()] + \
                    self.fstring % self.current + \
                    self.pattern[self.match.end():]
      else:
         currname = self.pattern
      if system.file_exists(currname):
         self.path = ''
      elif system.file_exists( pyrobotdir() + "/" + currname):
         self.path = pyrobotdir() + "/"
      else:
         raise ValueError, "file not found: '%s'" % currname
      if self.verbose:
         print "info: reading file '%s'..." % (self.path + currname)
      self._dev = Fake(self.path + currname)
      # connect vision system: --------------------------
      if visionSystem:
         self.vision = visionSystem
         self.vision.registerCameraDevice(self._dev)
         self.width = self.vision.getWidth()
         self.height = self.vision.getHeight()
         self.depth = self.vision.getDepth()
         self._cbuf = self.vision.getMMap()
      else:
         self.vision = None
         self.width = 0
         self.height = 0
         self.depth = 0
         self._cbuf = None
      # -------------------------------------------------
      self.rgb = (0, 1, 2) # offsets to RGB
      self.format = "RGB"
      Camera.__init__(self, self.width, self.height, self.depth,
                      "Fake Camera View")
      self.subtype = "simulated"
      self.source = self.pattern
      self.data = CBuffer(self._cbuf)
      self.oldStart = None
      self.oldStop = None
Exemplo n.º 5
0
class FakeCamera(Camera):
   """
   A fake camera.  This will emulate a camera, but instead of
   accessing the hardware, it will load a series of images from file.
   """
   def __init__(self, pattern = None,
                start = 0, stop = 19, char = "?",
                interval = 1.0, visionSystem = None, verbose = 0):
      """
      pattern is a filename with indicators on where to put digits for the
      sequence.  Absolute or relative filenames can be used.

      For example, 'image???-.ppm' would start at 'image000.ppm'
      and continue up to stop.
      
      char is the character that should be replaced in the pattern.

      interval = how often do I get new image

      As an example, to load som-0.ppm through som-19.ppm, we could call
      FakeCamera('vision/snaps/som-?.ppm', 0, 19)
      """
      if pattern == None:
         pattern = "vision/snaps/som-?.ppm"
      self.pattern = pattern
      self.stop = stop
      self.start = start
      self.current = start
      self.setUpdateInterval(interval)
      self.verbose = verbose
      self.lastUpdate = 0
      #create a matchdata object that we will store
      self.match = re.search(re.escape(char) + "+", pattern)
      #create a format string that we can use to replace the
      #replace characters
      if self.match:
         self.fstring = "%%0%dd" % len(self.match.group())
         currname = self.pattern[:self.match.start()] + \
                    self.fstring % self.current + \
                    self.pattern[self.match.end():]
      else:
         currname = self.pattern
      if system.file_exists(currname):
         self.path = ''
      elif system.file_exists( os.getenv('PYROBOT') + "/" + currname):
         self.path = os.getenv('PYROBOT') + "/"
      else:
         raise ValueError, "file not found: '%s'" % currname
      if self.verbose:
         print "info: reading file '%s'..." % (self.path + currname)
      self._dev = Fake(self.path + currname)
      # connect vision system: --------------------------
      if visionSystem:
         self.vision = visionSystem
         self.vision.registerCameraDevice(self._dev)
         self.width = self.vision.getWidth()
         self.height = self.vision.getHeight()
         self.depth = self.vision.getDepth()
         self._cbuf = self.vision.getMMap()
      else:
         self.vision = None
         self.width = 0
         self.height = 0
         self.depth = 0
         self._cbuf = None
      # -------------------------------------------------
      self.rgb = (0, 1, 2) # offsets to RGB
      self.format = "RGB"
      Camera.__init__(self, self.width, self.height, self.depth,
                      "Fake Camera View")
      self.subtype = "simulated"
      self.source = self.pattern
      self.data = CBuffer(self._cbuf)
      self.oldStart = None
      self.oldStop = None

   def pauseButton(self):
      self.freezeFrame()

   def playButton(self):
      self.unFreezeFrame()

   def setUpdateInterval(self, val):
      Camera.setUpdateInterval(self, val)
      self.interval = val

   def freezeFrame(self):
      if self.oldStart == None:
         self.oldStart = self.start
         self.oldStop = self.stop
         self.stop = self.current
         self.start = max(self.current - 1, 0)

   def unFreezeFrame(self):
      if self.oldStart != None:
         self.stop = self.oldStop
         self.start = self.oldStart
         self.oldStart = None
         self.oldStop = None
         
   def update(self):
      if (self.current < self.stop):
         currentTime = time.time()
         if currentTime - self.lastUpdate > self.interval:
            if self.match:
               currname = self.pattern[:self.match.start()] + \
                          self.fstring % self.current + \
                          self.pattern[self.match.end():]
            else:
               currname = self.pattern
            if self.verbose:
               print "info: reading file '%s'..." % (self.path + currname)
            self._dev.updateMMap(self.path + currname)
            self.processAll()
            self.current += 1
            self.lastUpdate = currentTime
      else:
         self.current = self.start 
Exemplo n.º 6
0
class FakeCamera(Camera):
    """
   A fake camera.  This will emulate a camera, but instead of
   accessing the hardware, it will load a series of images from file.
   """
    def __init__(self,
                 pattern=None,
                 start=0,
                 stop=19,
                 char="?",
                 interval=1.0,
                 visionSystem=None,
                 verbose=0):
        """
      pattern is a filename with indicators on where to put digits for the
      sequence.  Absolute or relative filenames can be used.

      For example, 'image???-.ppm' would start at 'image000.ppm'
      and continue up to stop.
      
      char is the character that should be replaced in the pattern.

      interval = how often do I get new image

      As an example, to load som-0.ppm through som-19.ppm, we could call
      FakeCamera('vision/snaps/som-?.ppm', 0, 19)
      """
        if pattern == None:
            pattern = "vision/snaps/som-?.ppm"
        self.pattern = pattern
        self.stop = stop
        self.start = start
        self.current = start
        self.setUpdateInterval(interval)
        self.verbose = verbose
        self.lastUpdate = 0
        #create a matchdata object that we will store
        self.match = re.search(re.escape(char) + "+", pattern)
        #create a format string that we can use to replace the
        #replace characters
        if self.match:
            self.fstring = "%%0%dd" % len(self.match.group())
            currname = self.pattern[:self.match.start()] + \
                       self.fstring % self.current + \
                       self.pattern[self.match.end():]
        else:
            currname = self.pattern
        if system.file_exists(currname):
            self.path = ''
        elif system.file_exists(pyrobotdir() + "/" + currname):
            self.path = pyrobotdir() + "/"
        else:
            raise ValueError, "file not found: '%s'" % currname
        if self.verbose:
            print "info: reading file '%s'..." % (self.path + currname)
        self._dev = Fake(self.path + currname)
        # connect vision system: --------------------------
        if visionSystem:
            self.vision = visionSystem
            self.vision.registerCameraDevice(self._dev)
            self.width = self.vision.getWidth()
            self.height = self.vision.getHeight()
            self.depth = self.vision.getDepth()
            self._cbuf = self.vision.getMMap()
        else:
            self.vision = None
            self.width = 0
            self.height = 0
            self.depth = 0
            self._cbuf = None
        # -------------------------------------------------
        self.rgb = (0, 1, 2)  # offsets to RGB
        self.format = "RGB"
        Camera.__init__(self, self.width, self.height, self.depth,
                        "Fake Camera View")
        self.subtype = "simulated"
        self.source = self.pattern
        self.data = CBuffer(self._cbuf)
        self.oldStart = None
        self.oldStop = None

    def pauseButton(self):
        self.freezeFrame()

    def playButton(self):
        self.unFreezeFrame()

    def setUpdateInterval(self, val):
        Camera.setUpdateInterval(self, val)
        self.interval = val

    def freezeFrame(self):
        if self.oldStart == None:
            self.oldStart = self.start
            self.oldStop = self.stop
            self.stop = self.current
            self.start = max(self.current - 1, 0)

    def unFreezeFrame(self):
        if self.oldStart != None:
            self.stop = self.oldStop
            self.start = self.oldStart
            self.oldStart = None
            self.oldStop = None

    def update(self):
        if not self.active: return
        if (self.current < self.stop):
            currentTime = time.time()
            if currentTime - self.lastUpdate > self.interval:
                if self.match:
                    currname = self.pattern[:self.match.start()] + \
                               self.fstring % self.current + \
                               self.pattern[self.match.end():]
                else:
                    currname = self.pattern
                if self.verbose:
                    print "info: reading file '%s'..." % (self.path + currname)
                self._dev.updateMMap(self.path + currname)
                self.processAll()
                self.current += 1
                self.lastUpdate = currentTime
        else:
            self.current = self.start