本文整理汇总了Python中video.Video.captureNextFrame方法的典型用法代码示例。如果您正苦于以下问题：Python Video.captureNextFrame方法的具体用法？Python Video.captureNextFrame怎么用？Python Video.captureNextFrame使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类video.Video的用法示例。
在下文中一共展示了Video.captureNextFrame方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: Gui
# 需要导入模块: from video import Video [as 别名]
# 或者: from video.Video import captureNextFrame [as 别名]
class Gui(QtGui.QMainWindow):
"""
Main GUI Class
It contains the main function and interfaces between
the GUI and functions
"""
def __init__(self,parent=None):
QtGui.QWidget.__init__(self,parent)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
""" Main Variables Using Other Classes"""
self.rex = Rexarm()
self.video = Video(cv2.VideoCapture(0))
self.world_coord = np.float32()
""" Play and Repeat Variable """
self.wayPoints = []
self.wayPointsPos = []
self.wayPointsSpeed = []
self.wayPointsTime = []
""" Other Variables """
self.last_click = np.float32([-1,-1])
self.define_template_flag = -1
self.click_point1 = np.float32([-1,-1])
self.click_point2 = np.float32([-1,-1])
self.template = None
self.targets = []
self.waypointsfp = csv.writer(open("waypoint.csv","wb"))
self.currtime = 0
""" Set GUI to track mouse """
QtGui.QWidget.setMouseTracking(self,True)
"""
Video Function
Creates a timer and calls play() function
according to the given time delay (27mm)
"""
self._timer = QtCore.QTimer(self)
self._timer.timeout.connect(self.play)
self._timer.start(27)
"""
LCM Arm Feedback
Creates a timer to call LCM handler continuously
No delay implemented. Reads all time
"""
self._timer2 = QtCore.QTimer(self)
self._timer2.timeout.connect(self.rex.get_feedback)
self._timer2.start()
"""
ARM Plan and Command Thread
Creates a timer to call REXARM.plan_command function continuously
"""
self._timer3 = QtCore.QTimer(self)
self._timer3.timeout.connect(self.rex.plan_command)
self._timer3.start()
"""
Connect Sliders to Function
TO DO: CONNECT THE OTHER 5 SLIDERS IMPLEMENTED IN THE GUI
"""
self.ui.sldrBase.valueChanged.connect(self.slider_change)
self.ui.sldrShoulder.valueChanged.connect(self.slider_change)
self.ui.sldrElbow.valueChanged.connect(self.slider_change)
self.ui.sldrWrist.valueChanged.connect(self.slider_change)
self.ui.sldrMaxTorque.valueChanged.connect(self.slider_change)
self.ui.sldrSpeed.valueChanged.connect(self.slider_change)
""" Commands the arm as the arm initialize to 0,0,0,0 angles """
self.slider_change()
""" Connect Buttons to Functions """
self.ui.btnLoadCameraCal.clicked.connect(self.load_camera_cal)
self.ui.btnPerfAffineCal.clicked.connect(self.affine_cal)
self.ui.btnTeachRepeat.clicked.connect(self.tr_initialize)
self.ui.btnAddWaypoint.clicked.connect(self.tr_add_waypoint)
self.ui.btnSmoothPath.clicked.connect(self.tr_smooth_path)
self.ui.btnPlayback.clicked.connect(self.tr_playback)
self.ui.btnLoadPlan.clicked.connect(self.tr_load)
self.ui.btnDefineTemplate.clicked.connect(self.def_template)
self.ui.btnLocateTargets.clicked.connect(self.template_match)
self.ui.btnExecutePath.clicked.connect(self.exec_path)
def play(self):
"""
Play Funtion
Continuously called by GUI
"""
""" Renders the Video Frame """
try:
self.video.captureNextFrame()
for t in self.targets:
self.video.addTarget(t)
self.ui.videoFrame.setPixmap(self.video.convertFrame())
self.ui.videoFrame.setScaledContents(True)
#.........这里部分代码省略.........
示例2: Gui
# 需要导入模块: from video import Video [as 别名]
# 或者: from video.Video import captureNextFrame [as 别名]
class Gui(QtGui.QMainWindow):
"""
Main GUI Class
It contains the main function and interfaces between
the GUI and functions
"""
def __init__(self,parent=None):
QtGui.QWidget.__init__(self,parent)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
""" Main Variables Using Other Classes"""
self.rex = Rexarm()
self.video = Video(cv2.VideoCapture(0))
""" Other Variables """
self.last_click = np.float32([0,0])
""" Set GUI to track mouse """
QtGui.QWidget.setMouseTracking(self,True)
"""
Video Function
Creates a timer and calls play() function
according to the given time delay (27mm)
"""
self._timer = QtCore.QTimer(self)
self._timer.timeout.connect(self.play)
self._timer.start(27)
"""
LCM Arm Feedback
Creates a timer to call LCM handler continuously
No delay implemented. Reads all time
"""
self._timer2 = QtCore.QTimer(self)
self._timer2.timeout.connect(self.rex.get_feedback)
self._timer2.start()
"""
Connect Sliders to Function
TO DO: CONNECT THE OTHER 5 SLIDERS IMPLEMENTED IN THE GUI
"""
self.ui.sldrBase.valueChanged.connect(self.slider_change)
self.ui.sldrShoulder.valueChanged.connect(self.slider_change)
self.ui.sldrElbow.valueChanged.connect(self.slider_change)
self.ui.sldrWrist.valueChanged.connect(self.slider_change)
self.ui.sldrMaxTorque.valueChanged.connect(self.slider_change)
self.ui.sldrSpeed.valueChanged.connect(self.slider_change)
""" Commands the arm as the arm initialize to 0,0,0,0 angles """
self.slider_change()
""" Connect Buttons to Functions """
self.ui.btnLoadCameraCal.clicked.connect(self.load_camera_cal)
self.ui.btnPerfAffineCal.clicked.connect(self.affine_cal)
self.ui.btnTeachRepeat.clicked.connect(self.tr_initialize)
self.ui.btnAddWaypoint.clicked.connect(self.tr_add_waypoint)
self.ui.btnSmoothPath.clicked.connect(self.tr_smooth_path)
self.ui.btnPlayback.clicked.connect(self.tr_playback)
self.ui.btnDefineTemplate.clicked.connect(self.def_template)
self.ui.btnLocateTargets.clicked.connect(self.template_match)
self.ui.btnExecutePath.clicked.connect(self.exec_path)
self.ui.path_start_time = None
self.executed_path = []
self.get_template = 0
self.templat_point = None
self.donuts = []
def play(self):
"""
Play Funtion
Continuously called by GUI
"""
""" Renders the Video Frame """
try:
self.video.captureNextFrame()
self.ui.videoFrame.setPixmap(
self.video.convertFrame())
self.ui.videoFrame.setScaledContents(True)
except TypeError:
print "No frame"
"""
Update GUI Joint Coordinates Labels
TO DO: include the other slider labels
"""
self.ui.rdoutBaseJC.setText(str(self.rex.joint_angles_fb[0]*R2D))
self.ui.rdoutShoulderJC.setText(str(self.rex.joint_angles_fb[1]*R2D))
self.ui.rdoutElbowJC.setText(str(self.rex.joint_angles_fb[2]*R2D))
self.ui.rdoutWristJC.setText(str(self.rex.joint_angles_fb[3]*R2D))
t = [self.rex.joint_angles_fb[0],
self.rex.joint_angles_fb[1] - 90.0 * D2R,
self.rex.joint_angles_fb[2],
self.rex.joint_angles_fb[3]]
#.........这里部分代码省略.........