def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Pointing Device")
self.show()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.buffer_amount = 20
self.fc = Flowchart(terminals={
'dataIn': {
'io': 'in'
},
'dataOut': {
'io': 'out'
}
})
self.layout.addWidget(self.fc.widget(), 0, 0, 2, 1)
self.configNodes()
self.configScatterPlot()
self.getWiimote()
def __init__(self, useWiiMote, parent=None):
super(Pointer, self).__init__()
self.useWiiMote = useWiiMote
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.buffer_amount = 20
self.fc = Flowchart(terminals={
'dataIn': {
'io': 'in'
},
'dataOut': {
'io': 'out'
}
})
self.layout.addWidget(self.fc.widget(), 0, 0, 2, 1)
self.configNodes()
if self.useWiiMote:
self.getWiimote()
self.outputCounter = 0
def setup_nodes(self):
# Create an empty flowchart with a single input and output
self.fc = Flowchart(terminals={})
self.wiimote_node = self.fc.createNode('Wiimote')
self.buffer_node_x = self.fc.createNode('Buffer')
self.buffer_node_y = self.fc.createNode('Buffer')
self.buffer_node_z = self.fc.createNode('Buffer')
self.fft_node = self.fc.createNode('Fft')
self.fc.connectTerminals(self.wiimote_node['accelX'],
self.buffer_node_x['dataIn'])
self.fc.connectTerminals(self.wiimote_node['accelY'],
self.buffer_node_y['dataIn'])
self.fc.connectTerminals(self.wiimote_node['accelZ'],
self.buffer_node_z['dataIn'])
self.fc.connectTerminals(self.buffer_node_x['dataOut'],
self.fft_node['inX'])
self.fc.connectTerminals(self.buffer_node_y['dataOut'],
self.fft_node['inY'])
self.fc.connectTerminals(self.buffer_node_z['dataOut'],
self.fft_node['inZ'])
spectrogram_node = self.fc.createNode('PlotWidget')
spectrogram_node.setPlot(self.spectrogram_widget)
self.fc.connectTerminals(self.fft_node['fft'], spectrogram_node['In'])
self.svm_node = self.fc.createNode('Svm')
self.fc.connectTerminals(self.fft_node['fft'], self.svm_node['fft'])
def setup_nodes(self):
# Create an empty flowchart with a single input and output
self.fc = Flowchart(terminals={})
self.wiimote_node = self.fc.createNode('Wiimote')
self.fft_node = self.fc.createNode('Fft')
self.svm_node = self.fc.createNode('Svm')
self.fc.connectTerminals(self.wiimote_node['accelX'], self.svm_node['inX'])
self.fc.connectTerminals(self.wiimote_node['accelY'], self.svm_node['inY'])
self.fc.connectTerminals(self.wiimote_node['accelZ'], self.svm_node['inZ'])
def __init__(self, parent=None):
"""
Constructor
@param parent reference to the parent widget
@type QWidget
"""
self.fc = Flowchart()
QMainWindow.__init__(self, parent)
self.setupUi(self)
self.fcctrl = self.fc.widget()
self.fcwidget = self.fcctrl.chartWidget.view
self.tab1wid.addWidget(self.fcwidget, 0, 0, 2, 1)
self.tab2wid.addWidget(self.fcctrl, 0, 0, 2, 1)
def __init__(self):
super(ModelWindow, self).__init__()
self.setupUi(self)
self.global_id = 0 #每个层对应的唯一ID，用于基于DAG图的校验和代码生成
self.nodes = dict() #所有层的信息
self.id_name = dict() #ID-名字映射
self.name_id = dict() #名字-ID映射
self.net = nx.DiGraph() #图，节点为层的ID
self.library = fclib.LIBRARY.copy()
self.library.addNodeType(CovNode, [('CovNode', )])
self.library.addNodeType(PoolNode, [('PoolNode', )])
self.library.addNodeType(LinearNode, [('LinearNode', )])
self.library.addNodeType(ConcatNode, [('ConcatNode', )])
self.library.addNodeType(Concat1dNode, [('Concat1dNode', )])
self.library.addNodeType(SoftmaxNode, [('SoftmaxNode', )])
self.library.addNodeType(LogSoftmaxNode, [('LogSoftmaxNode', )])
self.library.addNodeType(BachNorm1dNode, [('BachNorm1dNode', )])
self.library.addNodeType(BachNorm2dNode, [('BachNorm2dNode', )])
self.library.addNodeType(AddNode, [('ResAddNode', )])
self.library.addNodeType(IdentityNode, [('IdentityNode', )])
self.type_name = {
2: 'Cov2d',
3: 'Pool2d',
4: 'Linear',
5: 'Softmax',
6: 'LogSoftmax',
7: 'BachNorm1d',
8: 'BachNorm2d',
9: 'Res_Add',
10: 'Concat2d',
11: 'Concat1d',
12: 'Identity'
}
self.fc = Flowchart() #模型可视化的流程图，对应FlowChart按钮
self.fc.setLibrary(self.library) #引入FCNodes.py中定义的Node
self.outputs = list() #模型所有输出
w = self.fc.widget()
self.fc_inputs = dict() #self.fc流程图的输入
main_widget = QWidget()
main_layout = QGridLayout()
main_widget.setLayout(main_layout)
self.detail = QTreeWidget()
self.detail.setColumnCount(2)
self.detail.setHeaderLabels(["属性", "值"])
self.root = QTreeWidgetItem(self.detail)
self.root.setText(0, "所有属性")
main_layout.addWidget(self.fc.widget(), 0, 0, 1, 2)
main_layout.addWidget(self.detail, 0, 2)
self.setCentralWidget(main_widget)
def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Gesture Recognizer")
self.showFullScreen()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
self.layout.addWidget(self.fc.widget(), 0, 0, 2, 1)
self.path = {'x': [], 'y': []}
self.threshold = 50
self.sample_size = 64
self.default_msg = 'No template matched...'
self.error_ir_msg = 'No ir-values received'
self.error_wiimote_msg = 'No wiimote connected'
self.error_template_msg = 'No template could be created'
self.pressed_key = None
self.dollar = Recognizer()
self.config_nodes()
self.config_layout()
self.setup_templates()
self.get_wiimote()
class DaskFlow(FlowchartCtrlWidget):
def __init__(self):
self.flowchart = Flowchart()
super(DaskFlow, self).__init__(self.flowchart)
def fromDask(self, workflow: Workflow):
for process in workflow.processes:
node = Node(process.name,
terminals={
"inputTerminalName": {
"io": "in"
},
"outputTerminalName": {
"io": "out"
}
})
self.flowchart.addNode(node, process.name)
def __init__(self, imagepath='images/'):
super(FlowChartWidget, self).__init__()
pg.setConfigOption('background', 'w')
pg.setConfigOption('foreground', 'k')
self.imagepath = imagepath
layout = QVBoxLayout()
## Create flowchart, define input/output terminals
fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
w = fc.widget()
layout.addWidget(w)
self.setLayout(layout)
class DaskFlow(FlowchartCtrlWidget):
def __init__(self):
self.flowchart = Flowchart()
super(DaskFlow, self).__init__(self.flowchart)
def fromDask(self, workflow: Workflow):
for process in workflow.processes:
node = Node(process.name,
terminals={
'inputTerminalName': {
'io': 'in'
},
'outputTerminalName': {
'io': 'out'
}
})
self.flowchart.addNode(node, process.name)
def __init__(self,
fc: Flowchart,
parent: Union[QtGui.QWidget, None] = None,
pathAndId: Union[Tuple[str, int], None] = None,
monitorInterval: Union[int, None] = None):
super().__init__(parent)
self.fc = fc
self.loaderNode = fc.nodes()['QCodesDSLoader.0']
self.monitor = QtCore.QTimer()
# a flag we use to set reasonable defaults when the first data
# is processed
self._initialized = False
windowTitle = "Plottr | QCoDeS autoplot"
if pathAndId is not None:
path = os.path.abspath(pathAndId[0])
windowTitle += f" | {os.path.split(path)[1]} [{pathAndId[1]}]"
pathAndId = path, pathAndId[1]
self.setWindowTitle(windowTitle)
# toolbar
self.toolbar = self.addToolBar('Data monitoring')
# toolbar item: monitor interval
self.monitorInput = MonitorIntervalInput()
self.monitorInput.setToolTip('Set to 0 for disabling monitoring')
self.monitorInput.intervalChanged.connect(self.setMonitorInterval)
self.toolbar.addWidget(self.monitorInput)
# status bar
self.status = QtGui.QStatusBar()
self.setStatusBar(self.status)
# menu bar
menu = self.menuBar()
fileMenu = menu.addMenu('&Data')
# action: updates from the db file
refreshAction = QtGui.QAction('&Refresh', self)
refreshAction.setShortcut('R')
refreshAction.triggered.connect(self.refreshData)
fileMenu.addAction(refreshAction)
# more signals/slots
self.monitor.timeout.connect(self.monitorTriggered)
if pathAndId is not None:
self.loaderNode.pathAndId = pathAndId
if monitorInterval is not None:
self.setMonitorInterval(monitorInterval)
if self.loaderNode.nLoadedRecords > 0:
self.setDefaults()
self._initialized = True
def __init__(self, parent=None, **kwargs):
super(AppWindow, self).__init__(parent)
self.setupUi(self)
self.I = kwargs.get('I', None)
self.setWindowTitle('pyqtgraph example: FlowchartCustomNode')
## Create an empty flowchart with a single input and output
self.fc = Flowchart(terminals={
'dataIn': {
'io': 'in'
},
})
self.w = self.fc.widget()
self.WidgetLayout.addWidget(self.fc.widget())
self.plot1 = self.add2DPlot(self.ExperimentLayout)
self.plot2 = self.add2DPlot(self.ExperimentLayout)
self.curve1 = self.addCurve(self.plot1)
self.curve2 = self.addCurve(self.plot2)
self.curve1.setData([1, 2, 3], [5, 6, 7])
self.library = fclib.LIBRARY.copy() # start with the default node set
self.library.addNodeType(PlotViewNode, [('Display', )])
self.library.addNodeType(CaptureNode, [('Acquire', )])
self.fc.setLibrary(self.library)
## Now we will programmatically add nodes to define the function of the flowchart.
## Normally, the user will do this manually or by loading a pre-generated
## flowchart file.
self.cap = self.fc.createNode('Capture', pos=(0, 0))
self.cap.setI(self.I)
self.v1Node = self.fc.createNode('PlotView', pos=(0, -150))
self.v1Node.setView(self.curve1)
self.v2Node = self.fc.createNode('PlotView', pos=(150, -150))
self.v2Node.setView(self.curve2)
self.fc.connectTerminals(self.fc['dataIn'], self.cap['dataIn'])
self.fc.connectTerminals(self.cap['dataOut'], self.v1Node['data'])
#self.fc.connectTerminals(self.fc['dataIn'], self.v2Node['data'])
self.fc.setInput(dataIn=True)
def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Wiimote Activity")
self.showFullScreen()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
self.layout.addWidget(self.fc.widget(), 0, 0, 4, 1)
self.createNodes()
self.getWiimote()
def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Plotting the Wiimote")
self.showFullScreen()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.flowchart = Flowchart(terminals={
'xDataIn': {'io': 'in'},
'yDataIn': {'io': 'in'},
'zDataIn': {'io': 'in'},
'xDataOut': {'io': 'out'},
'yDataOut': {'io': 'out'},
'zDataOut': {'io': 'out'}
})
self.layout.addWidget(self.flowchart.widget(), 0, 0, 3, 1)
fclib.registerNodeType(WiimoteNode, [('Display',)])
self.wii_node = self.flowchart.createNode('Wiimote', pos=(0, 0))
self.axes = ['x', 'y', 'z']
# positions for all nodes; order:
# raw_node xpos, raw_node ypos, filtered_node xpos, filtered_node ypos,
# filter_node xpos, filter_node ypos
self.positions = {
'x': [-450, -350, -300, -350, -375, -150],
'y': [-150, -350, 0, -350, -75, -150],
'z': [150, -350, 300, -350, 225, -150],
}
# create, style, config and connect the elements for every axis
for axis in self.axes:
index = self.axes.index(axis)
plot_raw = pyqtgraph.PlotWidget()
plot_filtered = pyqtgraph.PlotWidget()
# add widget for this axis in next row
self.layout.addWidget(plot_filtered, index, 2, 1, 2)
self.configPlotItems(axis, plot_raw, plot_filtered)
self.createNodes(axis, plot_raw, plot_filtered)
self.connectNodes(axis)
pyqtgraph.setConfigOptions(antialias=True)
self.flowchart.setInput(xDataIn=0)
self.flowchart.setInput(yDataIn=0)
self.flowchart.setInput(zDataIn=0)
def __init__(self, imagepath='images/'):
super(FlowChartWidget, self).__init__()
pg.setConfigOption('background', 'w')
pg.setConfigOption('foreground', 'k')
self.imagepath = imagepath
layout = QVBoxLayout()
## Create flowchart, define input/output terminals
fc = Flowchart(terminals={
'dataIn': {
'io': 'in'
},
'dataOut': {
'io': 'out'
}
})
w = fc.widget()
layout.addWidget(w)
self.setLayout(layout)
def setup_displaying_of_plots():
"""
setup of all PyQt and PyQtGraph related objects for further use
:return: newly constructed window object, central_widget object,
layout object and flowchart object
"""
win = QtGui.QMainWindow()
win.setWindowTitle("Analyze")
central_widget = QtGui.QWidget()
win.setCentralWidget(central_widget)
layout = QtGui.QGridLayout()
central_widget.setLayout(layout)
fc = Flowchart(terminals={})
layout.addWidget(fc.widget(), 0, 0, 2, 1)
return win, central_widget, layout, fc
def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Wiimote Activity")
self.showFullScreen()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.fc = Flowchart(terminals={"dataIn": {"io": "in"}, "dataOut": {"io": "out"}})
self.layout.addWidget(self.fc.widget(), 0, 0, 4, 1)
self.createNodes()
def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Gesture Recognizer")
self.showFullScreen()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.fc = Flowchart(terminals={
'dataIn': {
'io': 'in'
},
'dataOut': {
'io': 'out'
}
})
self.layout.addWidget(self.fc.widget(), 0, 0, 2, 1)
self.path = {'x': [], 'y': []}
self.threshold = 50
self.sample_size = 64
self.default_msg = 'No template matched...'
self.error_ir_msg = 'No ir-values received'
self.error_wiimote_msg = 'No wiimote connected'
self.error_template_msg = 'No template could be created'
self.pressed_key = None
self.dollar = Recognizer()
self.config_nodes()
self.config_layout()
self.setup_templates()
self.get_wiimote()
def __init__(self, parent=None,**kwargs):
super(AppWindow, self).__init__(parent)
self.setupUi(self)
self.I=kwargs.get('I',None)
self.setWindowTitle('pyqtgraph example: FlowchartCustomNode')
## Create an empty flowchart with a single input and output
self.fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
})
self.w = self.fc.widget()
self.WidgetLayout.addWidget(self.fc.widget())
self.plot1 = self.add2DPlot(self.ExperimentLayout)
self.plot2 = self.add2DPlot(self.ExperimentLayout)
self.curve1 = self.addCurve(self.plot1)
self.curve2 = self.addCurve(self.plot2)
self.curve1.setData([1,2,3],[5,6,7])
self.library = fclib.LIBRARY.copy() # start with the default node set
self.library.addNodeType(PlotViewNode, [('Display',)])
self.library.addNodeType(CaptureNode, [('Acquire',)])
self.fc.setLibrary(self.library)
## Now we will programmatically add nodes to define the function of the flowchart.
## Normally, the user will do this manually or by loading a pre-generated
## flowchart file.
self.cap = self.fc.createNode('Capture', pos=(0, 0))
self.cap.setI(self.I)
self.v1Node = self.fc.createNode('PlotView', pos=(0, -150))
self.v1Node.setView(self.curve1)
self.v2Node = self.fc.createNode('PlotView', pos=(150, -150))
self.v2Node.setView(self.curve2)
self.fc.connectTerminals(self.fc['dataIn'], self.cap['dataIn'])
self.fc.connectTerminals(self.cap['dataOut'], self.v1Node['data'])
#self.fc.connectTerminals(self.fc['dataIn'], self.v2Node['data'])
self.fc.setInput(dataIn=True)
def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Pointing Device")
self.show()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
self.layout.addWidget(self.fc.widget(), 0, 0, 2, 1)
self.configNodes()
self.configScatterPlot()
self.getWiimote()
def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Wiimote Activity")
self.showFullScreen()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
self.layout.addWidget(self.fc.widget(), 0, 0, 4, 1)
self.createNodes()
self.getWiimote()
def __init__(self, useWiiMote, parent=None):
super(Pointer, self).__init__()
self.useWiiMote = useWiiMote
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.buffer_amount = 20
self.fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
self.layout.addWidget(self.fc.widget(), 0, 0, 2, 1)
self.configNodes()
if self.useWiiMote:
self.getWiimote()
self.outputCounter = 0
def cli(dataset, flowchart):
app = QtGui.QApplication.instance(
) # retrieves the ipython qt application if any
if app is None:
app = QtGui.QApplication([]) # create one if standalone execution
fc = Flowchart(library=LIBRARY, terminals={'dataIn': {'io': 'in'}})
win = pyviViewerWindow(fc)
fc.setInput(dataIn=dataset)
if flowchart:
fc_state = configfile.readConfigFile(flowchart)
fc.restoreState(fc_state, clear=False)
fc.viewBox.autoRange()
import sys
if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
app.exec_()
app.deleteLater()
sys.exit()
import wiimote
import wiimote_node
if __name__ == '__main__':
import sys
app = QtGui.QApplication([])
win = QtGui.QMainWindow()
win.setWindowTitle('NormalVector Demo')
cw = QtGui.QWidget()
win.setCentralWidget(cw)
layout = QtGui.QGridLayout()
cw.setLayout(layout)
## Create an empty flowchart with a single input and output
fc = Flowchart(terminals={})
w = fc.widget()
layout.addWidget(fc.widget(), 0, 0, 2, 1)
wiimoteNode = fc.createNode('Wiimote', pos=(-150, 150))
normalNode = fc.createNode('NormalVector', pos=(0, 150))
plotCurve = fc.createNode('PlotCurve', pos=(150, 150))
pw1 = pg.PlotWidget()
pw1.setYRange(-1, 1)
pw1.setXRange(-1, 1)
layout.addWidget(pw1, 0, 1)
pw1Node = fc.createNode('PlotWidget', pos=(300, 150))
pw1Node.setPlot(pw1)
import wiimote
import wiimote_node
if __name__ == '__main__':
import sys
app = QtGui.QApplication([])
win = QtGui.QMainWindow()
win.setWindowTitle('NormalVector Demo')
cw = QtGui.QWidget()
win.setCentralWidget(cw)
layout = QtGui.QGridLayout()
cw.setLayout(layout)
## Create an empty flowchart with a single input and output
fc = Flowchart(terminals={
})
w = fc.widget()
layout.addWidget(fc.widget(), 0, 0, 2, 1)
wiimoteNode = fc.createNode('Wiimote', pos=(-150, 150))
normalNode = fc.createNode('NormalVector', pos=( 0, 150))
plotCurve = fc.createNode('PlotCurve', pos=(150, 150))
pw1 = pg.PlotWidget()
pw1.setYRange(-1, 1)
pw1.setXRange(-1, 1)
layout.addWidget(pw1, 0, 1)
pw1Node = fc.createNode('PlotWidget', pos=(300, 150))
pw1Node.setPlot(pw1)
fclib.registerNodeType(WiimoteNode, [('Sensor',)])
fclib.registerNodeType(IrPlotNode, [('Display',)])
if __name__ == '__main__':
import sys
app = QtGui.QApplication([])
win = QtGui.QMainWindow()
win.setWindowTitle('Wiipoint 2D')
cw = QtGui.QWidget()
win.setCentralWidget(cw)
layout = QtGui.QGridLayout()
cw.setLayout(layout)
fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
w = fc.widget()
layout.addWidget(fc.widget(), 0, 0, 2, 1)
view = pg.GraphicsLayoutWidget()
layout.addWidget(view, 0, 1, 2, 1)
wiimoteNode = fc.createNode('Wiimote', pos=(0, 0), )
bufferNodeIr = fc.createNode('Buffer', pos=(150, 150))
irPlotNode = fc.createNode('IrPlotNode', pos=(300, 150))
# connect 'Plus' and 'Minus' buttons
wiimoteNode.set_buffer_node(bufferNodeIr)
fclib.registerNodeType(WiimoteNode, [('Sensor',)])
if __name__ == '__main__':
import sys
app = QtGui.QApplication([])
win = QtGui.QMainWindow()
win.setWindowTitle('WiimoteNode demo')
cw = QtGui.QWidget()
win.setCentralWidget(cw)
layout = QtGui.QGridLayout()
cw.setLayout(layout)
## Create an empty flowchart with a single input and output
fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
w = fc.widget()
layout.addWidget(fc.widget(), 0, 0, 2, 1)
pw1 = pg.PlotWidget()
layout.addWidget(pw1, 0, 1)
pw1.setYRange(0, 1024)
pw1Node = fc.createNode('PlotWidget', pos=(0, -150))
pw1Node.setPlot(pw1)
wiimoteNode = fc.createNode('Wiimote', pos=(0, 0), )
bufferNode = fc.createNode('Buffer', pos=(150, 0))
class Demo(QtGui.QWidget):
def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Pointing Device")
self.show()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
self.layout.addWidget(self.fc.widget(), 0, 0, 2, 1)
self.configNodes()
self.configScatterPlot()
self.getWiimote()
# connect to wiimote and config wiimote node
def getWiimote(self):
if len(sys.argv) == 1:
addr, name = wiimote.find()[0]
elif len(sys.argv) == 2:
addr = sys.argv[1]
name = None
elif len(sys.argv) == 3:
addr, name = sys.argv[1:3]
print("Connecting to %s (%s)" % (name, addr))
self.wiimoteNode.text.setText(addr)
self.wiimoteNode.connect_wiimote()
# create and connect nodes
def configNodes(self):
self.pointVisNode = self.fc.createNode('Vis2D', pos=(-150, 150))
self.wiimoteNode = self.fc.createNode('Wiimote', pos=(0, 0), )
self.bufferNode = self.fc.createNode('Buffer', pos=(0, -150))
self.buffer_amount = self.bufferNode.getBufferSize()
self.fc.connectTerminals(
self.wiimoteNode['irVals'],
self.bufferNode['dataIn'])
self.fc.connectTerminals(
self.bufferNode['dataOut'],
self.pointVisNode['irVals'])
# create and config scatter plot item
def configScatterPlot(self):
gview = pg.GraphicsLayoutWidget()
self.layout.addWidget(gview, 0, 1, 2, 1)
plot = gview.addPlot()
self.scatter = pg.ScatterPlotItem(
size=10, pen=pg.mkPen(None), brush=pg.mkBrush(255, 255, 255, 120))
plot.addItem(self.scatter)
plot.setXRange(-1000, 200)
plot.setYRange(-1000, 200)
def keyPressEvent(self, ev):
if ev.key() == QtCore.Qt.Key_Escape:
self.close()
# do actions in loop
def update(self):
outputValues = self.pointVisNode.outputValues()
if outputValues['irX'] is not None and outputValues['irY'] is not None:
self.scatter.setData(pos=[
[-outputValues['irX'], -outputValues['irY']]])
# raise or lower buffer amount with +/- keys
if self.wiimoteNode.wiimote is not None:
if self.wiimoteNode.wiimote.buttons['Plus']:
self.buffer_amount += 1
self.bufferNode.setBufferSize(self.buffer_amount)
elif self.wiimoteNode.wiimote.buttons['Minus']:
if self.buffer_amount > 1:
self.buffer_amount -= 1
self.bufferNode.setBufferSize(self.buffer_amount)
pyqtgraph.QtGui.QApplication.processEvents()
def __init__(self):
self.flowchart = Flowchart()
super(DaskFlow, self).__init__(self.flowchart)
class Demo(QtGui.QWidget):
def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Pointing Device")
self.show()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.buffer_amount = 20
self.fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
self.layout.addWidget(self.fc.widget(), 0, 0, 2, 1)
self.configNodes()
self.configScatterPlot()
self.getWiimote()
def getWiimote(self):
if len(sys.argv) == 1:
addr, name = wiimote.find()[0]
elif len(sys.argv) == 2:
addr = sys.argv[1]
name = None
elif len(sys.argv) == 3:
addr, name = sys.argv[1:3]
print("Connecting to %s (%s)" % (name, addr))
self.wiimoteNode.text.setText(addr)
self.wiimoteNode.connect_wiimote()
# create and connect nodes
def configNodes(self):
self.pointVisNode = self.fc.createNode('Vis3D', pos=(-150, 150))
self.wiimoteNode = self.fc.createNode('Wiimote', pos=(0, 0), )
self.bufferNode = self.fc.createNode('Buffer', pos=(0, -150))
self.buffer_amount = self.bufferNode.getBufferSize()
self.fc.connectTerminals(
self.wiimoteNode['irVals'],
self.bufferNode['dataIn'])
self.fc.connectTerminals(
self.bufferNode['dataOut'],
self.pointVisNode['irVals'])
# create and config scatter plot item
def configScatterPlot(self):
gview = pg.GraphicsLayoutWidget()
self.layout.addWidget(gview, 0, 1, 2, 1)
plot = gview.addPlot()
self.scatter = pg.ScatterPlotItem(
size=10, pen=pg.mkPen(None), brush=pg.mkBrush(255, 255, 255, 120))
plot.addItem(self.scatter)
plot.setXRange(-1000, 200)
plot.setYRange(-1000, 200)
def keyPressEvent(self, ev):
if ev.key() == QtCore.Qt.Key_Escape:
self.close()
# do actions in loop
def update(self):
outputValues = self.pointVisNode.outputValues()
isX1Valid = outputValues['irX1'] is not None
isY1Valid = outputValues['irY1'] is not None
isX2Valid = outputValues['irX2'] is not None
isY2Valid = outputValues['irY2'] is not None
if isX1Valid and isX2Valid and isY1Valid and isY2Valid:
distance = self.calcDistance(outputValues)
if distance > 0:
size = 3000 * (1 / distance * 2)
self.scatter.setData(
pos=[[
-outputValues['irX1'],
-outputValues['irY1']],
[-outputValues['irX2'], -outputValues['irY2']]],
size=size, pxMode=True)
# raise or lower buffer amount with +/- keys
if self.wiimoteNode.wiimote is not None:
if self.wiimoteNode.wiimote.buttons['Plus']:
self.buffer_amount += 1
self.bufferNode.setBufferSize(self.buffer_amount)
elif self.wiimoteNode.wiimote.buttons['Minus']:
if self.buffer_amount > 1:
self.buffer_amount -= 1
self.bufferNode.setBufferSize(self.buffer_amount)
pyqtgraph.QtGui.QApplication.processEvents()
# calc distance from wiimote to the two lights
# reference: http://wiiphysics.site88.net/physics.html
def calcDistance(self, outputValues):
x1 = outputValues['irX1']
y1 = outputValues['irY1']
x2 = outputValues['irX2']
y2 = outputValues['irY2']
# init wiimote's camera angles
hfov = 41
vfov = 31
# set constant distance between the two lights
lightDistance = 30
fov = ((hfov / 1024.0) + (vfov / 768.0)) / 2.0
r = math.sqrt(math.pow(x1 - x2, 2) + math.pow(y1 - y2, 2))
alpha = (fov * r) / 4.0
tan = math.tan(math.radians(alpha))
try:
camDistance = lightDistance / (2 * tan)
except:
camDistance = 0
return camDistance
def __init__(self, parent=None, **kwargs):
super(AppWindow, self).__init__(parent)
self.setupUi(self)
print(self.utils)
self.I = kwargs.get('I', None)
self.I.set_sine1(5000)
self.I.configure_trigger(0, 'CH1', 0)
self.setWindowTitle('pyqtgraph example: FlowchartCustomNode')
## Create an empty flowchart with a single input and output
self.fc = Flowchart(terminals={
'In': {
'io': 'in'
},
'dataOut': {
'io': 'out'
},
})
self.w = self.fc.widget()
self.ExperimentLayout.addWidget(self.w.chartWidget.view)
#self.WidgetLayout.addWidget(self.w.chartWidget.selInfo)
###############MODIFY INPUT NODE#############################
self.inp = addWidget(
self.fc.inputNode.graphicsItem(),
'input',
func=self.fc.setInput,
nameFunc=self.fc.inputNode.graphicsItem().nameItem.setPlainText)
############### CREATE USER LIBRARY #############################
self.library = fclib.LIBRARY.copy() # start with the default node set
#add our custom nodes to the library
self.library.addNodeType(self.PlotViewNode, [('Display', )])
for a in [
self.CaptureNode1, self.CaptureNode2, self.DACNode,
self.VoltNode, self.GainNode
]:
a.I = self.I
self.library.addNodeType(self.ArrayNode, [('Data', )])
self.library.addNodeType(self.ArrayNode2D, [('Data', )])
self.library.addNodeType(self.CaptureNode1, [('Acquire', )])
self.library.addNodeType(self.CaptureNode2, [('Acquire', )])
self.library.addNodeType(self.VoltNode, [('Acquire', )])
self.library.addNodeType(self.DACNode, [('Outputs', )])
self.library.addNodeType(self.MyEvalNode, [('Outputs', )])
self.library.addNodeType(self.GainNode, [('Configure', )])
self.library.addNodeType(self.ConstantNode, [('Configure', )])
self.fc.setLibrary(self.library)
############# LIBRARY HAS BEEN POPULATED. NOW BUILD THE MENU ###############
self.menu = self.buildMenu(self.w.chartWidget)
self.menu.setMinimumHeight(150)
self.WidgetLayout.addWidget(self.menu)
self.WidgetLayout.addWidget(self.w)
self.w.ui.showChartBtn.setParent(None)
self.w.ui.reloadBtn.setParent(None)
############# NEXT UP : add ui elements ###############
self.plot = self.add2DPlot(self.ExperimentLayout)
self.plot.addLegend()
self.PlotViewNode.plot = self.plot
## Now we will programmatically add nodes to define the function of the flowchart.
## Normally, the user will do this manually or by loading a pre-generated
## flowchart file.
self.cap = self.fc.createNode('Capture1', pos=(0, 0))
self.v1Node = self.fc.createNode('2D Curve', pos=(200, -70))
self.v2Node = self.fc.createNode('2D Curve', pos=(200, 70))
self.fc.connectTerminals(self.fc['In'], self.cap['In'])
self.fc.connectTerminals(self.cap['time'], self.v1Node['X'])
self.fc.connectTerminals(self.cap['voltage'], self.v1Node['Y'])
self.setStyleSheet("")
class AppWindow(QtGui.QMainWindow, hackYourOwn.Ui_MainWindow, utilitiesClass):
def __init__(self, parent=None, **kwargs):
super(AppWindow, self).__init__(parent)
self.setupUi(self)
print(self.utils)
self.I = kwargs.get('I', None)
self.I.set_sine1(5000)
self.I.configure_trigger(0, 'CH1', 0)
self.setWindowTitle('pyqtgraph example: FlowchartCustomNode')
## Create an empty flowchart with a single input and output
self.fc = Flowchart(terminals={
'In': {
'io': 'in'
},
'dataOut': {
'io': 'out'
},
})
self.w = self.fc.widget()
self.ExperimentLayout.addWidget(self.w.chartWidget.view)
#self.WidgetLayout.addWidget(self.w.chartWidget.selInfo)
###############MODIFY INPUT NODE#############################
self.inp = addWidget(
self.fc.inputNode.graphicsItem(),
'input',
func=self.fc.setInput,
nameFunc=self.fc.inputNode.graphicsItem().nameItem.setPlainText)
############### CREATE USER LIBRARY #############################
self.library = fclib.LIBRARY.copy() # start with the default node set
#add our custom nodes to the library
self.library.addNodeType(self.PlotViewNode, [('Display', )])
for a in [
self.CaptureNode1, self.CaptureNode2, self.DACNode,
self.VoltNode, self.GainNode
]:
a.I = self.I
self.library.addNodeType(self.ArrayNode, [('Data', )])
self.library.addNodeType(self.ArrayNode2D, [('Data', )])
self.library.addNodeType(self.CaptureNode1, [('Acquire', )])
self.library.addNodeType(self.CaptureNode2, [('Acquire', )])
self.library.addNodeType(self.VoltNode, [('Acquire', )])
self.library.addNodeType(self.DACNode, [('Outputs', )])
self.library.addNodeType(self.MyEvalNode, [('Outputs', )])
self.library.addNodeType(self.GainNode, [('Configure', )])
self.library.addNodeType(self.ConstantNode, [('Configure', )])
self.fc.setLibrary(self.library)
############# LIBRARY HAS BEEN POPULATED. NOW BUILD THE MENU ###############
self.menu = self.buildMenu(self.w.chartWidget)
self.menu.setMinimumHeight(150)
self.WidgetLayout.addWidget(self.menu)
self.WidgetLayout.addWidget(self.w)
self.w.ui.showChartBtn.setParent(None)
self.w.ui.reloadBtn.setParent(None)
############# NEXT UP : add ui elements ###############
self.plot = self.add2DPlot(self.ExperimentLayout)
self.plot.addLegend()
self.PlotViewNode.plot = self.plot
## Now we will programmatically add nodes to define the function of the flowchart.
## Normally, the user will do this manually or by loading a pre-generated
## flowchart file.
self.cap = self.fc.createNode('Capture1', pos=(0, 0))
self.v1Node = self.fc.createNode('2D Curve', pos=(200, -70))
self.v2Node = self.fc.createNode('2D Curve', pos=(200, 70))
self.fc.connectTerminals(self.fc['In'], self.cap['In'])
self.fc.connectTerminals(self.cap['time'], self.v1Node['X'])
self.fc.connectTerminals(self.cap['voltage'], self.v1Node['Y'])
self.setStyleSheet("")
def setInterconnects(self, val):
if val: shape = 'cubic'
else: shape = 'line'
for a in self.fc.listConnections():
for x in a[1]._graphicsItem.getViewBox().allChildren():
if isinstance(x, pg.flowchart.TerminalGraphicsItem):
for y in x.term.connections().items():
y[1].setStyle(shape=shape)
def runOnce(self):
self.fc.setInput(In=True)
def buildMenu(self, CW):
def buildSubMenu(node, rootMenu, subMenus):
for section, node in node.items():
menu = QtGui.QMenu(section)
rootMenu.addMenu(menu)
if isinstance(node, OrderedDict):
buildSubMenu(node, menu, subMenus)
subMenus.append(menu)
else:
act = rootMenu.addAction(section)
act.nodeType = section
act.pos = None
class PermanentMenu(QtGui.QMenu):
def hideEvent(self, event):
self.show()
menu = PermanentMenu()
self.subMenus = []
buildSubMenu(CW.chart.library.getNodeTree(), menu, self.subMenus)
menu.triggered.connect(CW.nodeMenuTriggered)
CW.menuPos = QtCore.QPoint(100, 150)
return menu
#self.v3Node = self.fc.createNode('PlotView', pos=(300, -150))
#self.v3Node.setView(self.curve1)
#self.fc.connectTerminals(self.cap['dataOut'], self.v1Node['data'])
def __del__(self):
#self.looptimer.stop()
print('bye')
def closeEvent(self, event):
self.finished = True
self.fc._widget.chartWidget.close()
################################################################################################
#######################--------Display Function calls start here------------####################
################################################################################################
class PlotViewNode(Node, utilitiesClass):
"""Node that displays plot data in an Plotwidget"""
nodeName = '2D Curve'
def __init__(self, name):
self.view = None
Node.__init__(self,
name,
terminals=OrderedDict([('X', dict(io='in')),
('Y', dict(io='in')),
('dY',
dict(io='in',
optional=True))]))
self.txt = addWidget(self.graphicsItem(), 'plotText')
self.curveName = self._name
self.curve = self.addCurve(
self.plot, self.curveName
) #self.plot is set by the parent prior to initialization
self.txt.curve = self.curve
self.sigRenamed.connect(self.renamed)
def renamed(self, node, oldName):
print('renamed from ', oldName, ' to ', self._name)
self.renameLegendItem(self.plot.plotItem.legend, oldName,
self._name)
def process(self, X, Y, dY):
if X is not None and Y is not None:
if len(X) == len(Y):
self.txt.setText('length=%d\nx: %s\ny: [%s]...' %
(len(X), str(X[:20]), " ".join(
format(a, ".1f") for a in Y[:20])))
try:
if dY is not None and self.plot is not None:
self.plot.setYRange(dY[0], dY[1])
except Exception as e:
print(e)
self.curve.setData(X, Y)
return
self.curve.setData([])
################################################################################################
#######################--------Container Function calls start here------------##################
################################################################################################
class ArrayNode(CtrlNode):
nodeName = '1 Column Array'
uiTemplate = []
def __init__(self, name):
self.A = []
terminals = {'In': dict(io='in'), 'ArrayOut': dict(io='out')}
CtrlNode.__init__(self, name, terminals=terminals)
self.container = addWidget(self.graphicsItem(),
'array',
func=self.clear)
def clear(self):
self.A = []
self.container.label.setText('Empty')
def process(self, In, display=False):
try:
self.A.append(float(In))
self.container.label.setText('size:%d' % len(self.A))
except Exception as e:
print(e)
return {'ArrayOut': np.array(self.A)}
class ArrayNode2D(CtrlNode):
nodeName = '2 Column Array'
uiTemplate = []
def __init__(self, name):
self.A = []
self.B = []
terminals = {
'In1': dict(io='in'),
'In2': dict(io='in'),
'ArrayOut1': dict(io='out'),
'ArrayOut2': dict(io='out')
}
CtrlNode.__init__(self, name, terminals=terminals)
self.container = addWidget(self.graphicsItem(),
'array',
func=self.clear)
def clear(self):
self.A = []
self.B = []
self.container.label.setText('Empty')
def process(self, In1, In2, display=False):
try:
self.A.append(float(In1))
self.B.append(float(In2))
self.container.label.setText('size:%d' % len(self.A))
except Exception as e:
print(e)
return {
'ArrayOut1': np.array(self.A),
'ArrayOut2': np.array(self.B)
}
################################################################################################
#######################--------Input Function calls start here------------######################
################################################################################################
class CaptureNode1(CtrlNode):
nodeName = 'Capture1'
uiTemplate = [
('samples', 'spin', {
'value': 1000,
'dec': False,
'step': 10,
'minStep': 1,
'bounds': [0, 10000]
}),
('timegap', 'spin', {
'value': 1,
'dec': False,
'step': 10,
'minStep': 1,
'bounds': [0, 100]
}),
]
def __init__(self, name):
terminals = OrderedDict([('In', dict(io='in')),
('time', dict(io='out')),
('voltage', dict(io='out')),
('dV', dict(io='out'))])
CtrlNode.__init__(self, name, terminals=terminals)
self.comboBox = addWidget(self.graphicsItem(),
'combo',
items=self.I.allAnalogChannels)
def process(self, In, display=False):
try:
x, y = self.I.capture1(self.comboBox.currentText(),
int(self.ctrls['samples'].value()),
int(self.ctrls['timegap'].value()))
return {
'time': x,
'voltage': y,
'dV': self.I.achans[0].get_Y_range()
}
except Exception as e:
print(e)
return {'time': None, 'voltage': None}
class CaptureNode2(CtrlNode):
nodeName = 'Capture2'
uiTemplate = [
('samples', 'spin', {
'value': 1000,
'dec': False,
'step': 10,
'minStep': 1,
'bounds': [0, 5000]
}),
('timegap', 'spin', {
'value': 1,
'dec': False,
'step': 10,
'minStep': 1,
'bounds': [0, 100]
}),
]
def __init__(self, name):
terminals = OrderedDict([('In', dict(io='in')),
('time', dict(io='out')),
('V_CH1', dict(io='out')),
('V_CH2', dict(io='out'))])
CtrlNode.__init__(self, name, terminals=terminals)
self.comboBox = addWidget(self.graphicsItem(),
'combo',
items=self.I.allAnalogChannels)
def process(self, In, display=False):
try:
x, y1, y2 = self.I.capture2(self.ctrls['samples'].value(),
self.ctrls['timegap'].value(),
self.comboBox.currentText())
return {'time': x, 'V_CH1': y1, 'V_CH2': y2}
except Exception as e:
print(e)
return {'time': None, 'V_CH1': None, 'V_CH2': None}
class VoltNode(CtrlNode):
nodeName = 'AnalogIn'
uiTemplate = [
('channel', 'combo', {
'values': ['CH1', 'CH2', 'CH3', 'AN8', 'SEN', 'CAP']
}),
]
def __init__(self, name):
terminals = {'trig': dict(io='in'), 'V_out': dict(io='out')}
CtrlNode.__init__(self, name, terminals=terminals)
def process(self, trig, display=False):
if trig != None:
try:
val = self.I.get_voltage(
self.ctrls['channel'].currentText())
return {'V_out': val}
except Exception as e:
print(e)
return {'V_out': None}
################################################################################################
#######################-----------Options and settings start here------------###################
################################################################################################
class GainNode(CtrlNode, utilitiesClass):
nodeName = 'AnalogGain'
def __init__(self, name):
terminals = {}
CtrlNode.__init__(self, name, terminals=terminals)
self.graphicsItem().nameItem.setPlainText('')
self.wg = self.gainIcon(FUNC=self.I.set_gain)
self.comboBox = addWidget(self.graphicsItem(), 'generic', self.wg)
def process(self, display=False):
pass #return {'Y_CH1':self.I.achans['CH1'].get_Y_range(),'Y_CH2':self.I.achans['CH2'].get_Y_range()}
class ConstantNode(CtrlNode):
nodeName = 'Constant'
def __init__(self, name):
terminals = {'value': {'io': 'out', 'multiable': True}}
CtrlNode.__init__(self, name, terminals=terminals)
def process(self, display=False):
return {'value': [-4, 4]}
################################################################################################
#######################----------Output Function calls start here------------###################
################################################################################################
class DACNode(CtrlNode):
nodeName = 'PVx'
uiTemplate = [
('channel', 'combo', {
'values': ['PV1', 'PV2', 'PV3']
}),
]
def __init__(self, name):
terminals = {'V_in': dict(io='in'), 'V_out': dict(io='out')}
CtrlNode.__init__(self, name, terminals=terminals)
self.label = addWidget(self.graphicsItem(), 'label', units='V')
def process(self, V_in, display=False):
if V_in:
try:
val = self.I.DAC.setVoltage(
self.ctrls['channel'].currentText(), V_in)
self.label.setValue(val)
return {'V_out': val}
except Exception as e:
print(e)
return {'V_out': None}
class MyEvalNode(Node):
"""Return the output of a string evaluated/executed by the python interpreter.
The string may be either an expression or a python script, and inputs are accessed as the name of the terminal.
For expressions, a single value may be evaluated for a single output, or a dict for multiple outputs.
For a script, the text will be executed as the body of a function."""
nodeName = 'MyPythonEval'
def __init__(self, name):
Node.__init__(self,
name,
terminals={
'input': {
'io': 'in',
'renamable': True,
'multiable': True
},
'output': {
'io': 'out',
'renamable': True,
'multiable': True
},
},
allowAddInput=True,
allowAddOutput=True)
self.ui = QtGui.QWidget()
self.layout = QtGui.QGridLayout()
self.text = QtGui.QTextEdit()
self.text.setTabStopWidth(30)
self.text.setPlainText(
"# Access inputs as args['input_name']\nreturn {'output': None} ## one key per output terminal"
)
self.layout.addWidget(self.text, 1, 0, 1, 2)
self.ui.setLayout(self.layout)
#QtCore.QObject.connect(self.addInBtn, QtCore.SIGNAL('clicked()'), self.addInput)
#self.addInBtn.clicked.connect(self.addInput)
#QtCore.QObject.connect(self.addOutBtn, QtCore.SIGNAL('clicked()'), self.addOutput)
#self.addOutBtn.clicked.connect(self.addOutput)
self.text.focusOutEvent = self.focusOutEvent
self.lastText = None
def focusOutEvent(self, ev):
text = str(self.text.toPlainText())
if text != self.lastText:
self.lastText = text
self.update()
return QtGui.QTextEdit.focusOutEvent(self.text, ev)
def process(self, display=True, **args):
l = locals()
l.update(args)
## try eval first, then exec
try:
text = str(self.text.toPlainText()).replace('\n', ' ')
output = eval(text, globals(), l)
except SyntaxError:
fn = "def fn(**args):\n"
run = "\noutput=fn(**args)\n"
text = fn + "\n".join([
" " + l
for l in str(self.text.toPlainText()).split('\n')
]) + run
exec(text)
except:
print("Error processing node: %s" % self.name())
raise
return output
def saveState(self):
state = Node.saveState(self)
state['text'] = str(self.text.toPlainText())
return state
def restoreState(self, state):
Node.restoreState(self, state)
self.text.clear()
self.text.insertPlainText(state['text'])
self.restoreTerminals(state['terminals'])
self.update()
class Demo(QtGui.QWidget):
def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Wiimote Activity")
self.showFullScreen()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.fc = Flowchart(terminals={
'dataIn': {
'io': 'in'
},
'dataOut': {
'io': 'out'
}
})
self.layout.addWidget(self.fc.widget(), 0, 0, 4, 1)
self.createNodes()
#self.getWiimote()
# connect to wiimote with an address given as argument
def getWiimote(self):
if len(sys.argv) == 1:
addr, name = wiimote.find()[0]
elif len(sys.argv) == 2:
addr = sys.argv[1]
name = None
elif len(sys.argv) == 3:
addr, name = sys.argv[1:3]
print("Connecting to %s (%s)" % (name, addr))
self.wiimoteNode.text.setText(addr)
self.wiimoteNode.connect_wiimote()
def update(self):
outputValues = self.activityNode.outputValues()
if outputValues['activity'] is not None:
self.label.setText(outputValues['activity'])
pg.QtGui.QApplication.processEvents()
# create and config the nodes needed to recognize activities
def createNodes(self):
pwX = pg.PlotWidget()
pwY = pg.PlotWidget()
pwZ = pg.PlotWidget()
pwX.getPlotItem().hideAxis('bottom')
pwX.setYRange(300, 700)
pwY.getPlotItem().hideAxis('bottom')
pwY.setYRange(300, 700)
pwZ.getPlotItem().hideAxis('bottom')
pwZ.setYRange(300, 700)
self.label = QtGui.QLabel()
self.label.setText("No activity yet...")
font = QtGui.QFont("Arial")
font.setPointSize(32)
self.label.setFont(font)
self.layout.addWidget(pwX, 0, 1)
self.layout.addWidget(pwY, 1, 1)
self.layout.addWidget(pwZ, 2, 1)
self.layout.addWidget(self.label, 3, 1)
pwXNode = self.fc.createNode('PlotWidget', pos=(-150, -150))
pwXNode.setPlot(pwX)
pwYNode = self.fc.createNode('PlotWidget', pos=(0, -150))
pwYNode.setPlot(pwY)
pwZNode = self.fc.createNode('PlotWidget', pos=(150, -150))
pwZNode.setPlot(pwZ)
self.activityNode = self.fc.createNode('ClassifierNode', pos=(0, 150))
"""
self.wiimoteNode = self.fc.createNode('Wiimote', pos=(-300, 0))
self.bufferXNode = self.fc.createNode('Buffer', pos=(-150, -300))
self.bufferYNode = self.fc.createNode('Buffer', pos=(0, -300))
self.bufferZNode = self.fc.createNode('Buffer', pos=(150, -300))
self.fc.connectTerminals(
self.wiimoteNode['accelX'], self.bufferXNode['dataIn'])
self.fc.connectTerminals(
self.wiimoteNode['accelY'], self.bufferYNode['dataIn'])
self.fc.connectTerminals(
self.wiimoteNode['accelZ'], self.bufferZNode['dataIn'])
self.fc.connectTerminals(self.bufferXNode['dataOut'], pwXNode['In'])
self.fc.connectTerminals(self.bufferYNode['dataOut'], pwYNode['In'])
self.fc.connectTerminals(self.bufferZNode['dataOut'], pwZNode['In'])
self.fc.connectTerminals(
self.bufferXNode['dataOut'], self.activityNode['accelX'])
self.fc.connectTerminals(
self.bufferYNode['dataOut'], self.activityNode['accelY'])
self.fc.connectTerminals(
self.bufferZNode['dataOut'], self.activityNode['accelZ'])
"""
def keyPressEvent(self, ev):
if ev.key() == QtCore.Qt.Key_Escape:
self.close()
# -*- coding: utf-8 -*-
"""
Created on Sat Feb 27 09:12:30 2016
@author: christoph
"""
from pyqtgraph.flowchart import Flowchart
fc = Flowchart(terminals={
'nameOfInputTerminal': {'io': 'in'},
'nameOfOutputTerminal': {'io': 'out'}
})
ctrl = fc.ctrlWidget()
myLayout.addWidget(ctrl) ## read Qt docs on QWidget and layouts for more information
return {'numberOut': output}
fclib.registerNodeType(NumberDisplayNode, [('Data',)])
if __name__ == '__main__':
import sys
app = QtGui.QApplication([])
win = QtGui.QMainWindow()
win.setWindowTitle('Noisalyzer')
cw = QtGui.QWidget()
win.setCentralWidget(cw)
layout = QtGui.QGridLayout()
cw.setLayout(layout)
# Create an empty flowchart with a single input and output
fc = Flowchart(terminals={
})
w = fc.widget()
layout.addWidget(fc.widget(), 0, 0, 2, 1)
# WiimoteNode:
wiimoteNode = fc.createNode('Wiimote', pos=(0, 0), )
wiimoteNode.text.setText(addr)
# X Axis:
pw_accelX = pg.PlotWidget()
layout.addWidget(pw_accelX, 0, 1)
pw_accelX.setYRange(0, 1024)
# plot node for x axis
pw_x_Node = fc.createNode('PlotWidget', pos=(600, 0))
def initialize(self):
pvhistory = []
lvhistory = []
n = 0
fc = Flowchart(terminals={'in': {'io': 'out'}, 'op': {'io': 'in'}})
nodeList = fc.nodes()
fc.removeNode(nodeList['Input'])
fc.removeNode(nodeList['Output'])
for i in self.mappings["vgs"]:
vgNode = Node(i, allowRemove=False, allowAddOutput=False)
fc.addNode(vgNode, i, [0, n])
Node.addTerminal(vgNode, 'O', io='out', multi=True)
Node.addTerminal(vgNode, 'I', io='in', multi=True)
for j in self.mappings["mappings"]:
if i == j[1]:
if j[2] not in lvhistory:
lvNode = Node(j[2],
allowRemove=False,
allowAddOutput=False)
fc.addNode(lvNode, j[2], [200, n])
Node.addTerminal(lvNode, 'I', io='in')
try:
fc.connectTerminals(vgNode['O'], lvNode['I'])
except:
pass
#cvar2 = Node.addOutput(vgNode)
#fc.connectTerminals(vgNode['Out'],cvar2)
lvhistory.append(j[2])
else:
pass
if j[0] not in pvhistory:
pvNode = Node(j[0],
allowRemove=False,
allowAddOutput=False)
fc.addNode(pvNode, j[0], [-400, n])
Node.addTerminal(pvNode, 'O', io='out')
try:
fc.connectTerminals(pvNode['O'], vgNode['I'])
except:
pass
#cvar1 = Node.addInput(vgNode)
#fc.connectTerminals(pvNode['Out'], cvar1)
pvhistory.append(j[0])
else:
pass
n = n + 200
#vgNode.ctrls['doubleSpin'].setValue(5)
#lvNode = fc.createNode('PlotWidget', 'lv')
self.layout = QGridLayout()
self.setLayout(self.layout)
self.layout.addWidget(fc.widget())
import numpy as np
import pyqtgraph.metaarray as metaarray
app = QtGui.QApplication([])
## Create main window with grid layout
win = QtGui.QMainWindow()
win.setWindowTitle('pyqtgraph example: Flowchart')
cw = QtGui.QWidget()
win.setCentralWidget(cw)
layout = QtGui.QGridLayout()
cw.setLayout(layout)
## Create flowchart, define input/output terminals
fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
w = fc.widget()
## Add flowchart control panel to the main window
layout.addWidget(fc.widget(), 0, 0, 2, 1)
## Add two plot widgets
pw1 = pg.PlotWidget()
pw2 = pg.PlotWidget()
layout.addWidget(pw1, 0, 1)
layout.addWidget(pw2, 1, 1)
win.show()
## generate signal data to pass through the flowchart
fclib.registerNodeType(SpectrumNode, [('Display',)])
###############################################################################################################
if __name__ == '__main__':
import sys
app = QtGui.QApplication([])
win = QtGui.QMainWindow()
win.setWindowTitle('WiimoteNode demo')
cw = QtGui.QWidget()
win.setCentralWidget(cw)
layout = QtGui.QGridLayout()
cw.setLayout(layout)
## Create an empty flowchart with a single input and output
fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
w = fc.widget()
layout.addWidget(fc.widget(), 0, 0, 2, 1)
pw1 = pg.PlotWidget()
pw1.plot(pen='y')
layout.addWidget(pw1, 1, 1)
pw1.setYRange(0, 1024)
pw1Node = fc.createNode('PlotWidget', pos=(300, 150))
pw1Node.setPlot(pw1)
pw2 = pg.PlotWidget()
pw2.plot(pen='g')
class ActivityRecognition():
RED = QtGui.QColor(255, 0, 0)
GREEN = QtGui.QColor(0, 255, 0)
YELLOW = QtGui.QColor(255, 255, 0)
GRAY = QtGui.QColor(100, 100, 100)
def __init__(self, app):
self.app = app
self.training_mode = False
self.recognition_mode = False
# self.gestures = {}
self.init_ui()
self.setup_nodes()
self.connect_buttons()
self.win.show()
if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
QtGui.QApplication.instance().exec_()
def init_ui(self):
width, height = self.app.desktop().width(), self.app.desktop().height()
self.win = QtGui.QWidget()
self.win.setWindowTitle('Activity Recognition')
self.win.setGeometry(width / 4, height / 4, width / 2, height / 2)
self.main_layout = QtGui.QGridLayout()
self.win.setLayout(self.main_layout)
self.setup_left_group()
self.setup_middle_group()
self.setup_right_group()
def setup_left_group(self):
left_group = QtGui.QGroupBox()
left_layout = QtGui.QGridLayout()
wm_label = QtGui.QLabel("Enter your mac address")
self.wm_addr = QtGui.QLineEdit()
self.wm_addr.setPlaceholderText("Enter your mac address here")
self.wm_addr.setText("B8:AE:6E:1B:5B:03")
self.wm_connect_btn = QtGui.QPushButton("Connect")
# wm_connect_btn.clicked.connect(self.connect_wm)
left_layout.addWidget(wm_label, 1, 1, 1, 2)
left_layout.addWidget(self.wm_addr, 2, 1, 1, 2)
left_layout.addWidget(self.wm_connect_btn, 3, 1, 1, 2)
self.training_hint = QtGui.QLabel(
"You can toggle Training Mode by pressing 'A' on your WiiMote!")
self.training_label = QtGui.QLabel("NO WIIMOTE CONNECTED")
self.training_label.setAlignment(QtCore.Qt.AlignCenter)
self.training_label.setAutoFillBackground(True)
self.training_btn = QtGui.QPushButton("Activate Training Mode")
left_layout.addWidget(self.training_hint, 4, 1, 1, 2)
left_layout.addWidget(self.training_label, 5, 1, 1, 2)
left_layout.addWidget(self.training_btn, 6, 1, 1, 2)
self.save_label = QtGui.QLabel("Enter a name for your gesture:")
self.save_label.setAlignment(QtCore.Qt.AlignCenter)
self.save_text = QtGui.QLineEdit()
self.save_text.setPlaceholderText("Enter Gesture Name")
self.save_btn = QtGui.QPushButton("Save Gesture")
left_layout.addWidget(self.save_label, 7, 1, 1, 2)
left_layout.addWidget(self.save_text, 8, 1, 1, 2)
left_layout.addWidget(self.save_btn, 9, 1, 1, 2)
left_group.setLayout(left_layout)
self.main_layout.addWidget(left_group, 1, 1, 1, 1)
def setup_middle_group(self):
middle_group = QtGui.QGroupBox()
middle_layout = QtGui.QGridLayout()
l1 = QtGui.QLabel()
l1.setText("MIDDLE GROUP")
middle_layout.addWidget(l1, 1, 1)
self.spectrogram_widget = pg.PlotWidget()
self.spectrogram_widget.setYRange(0, 128)
middle_layout.addWidget(self.spectrogram_widget, 2, 1)
middle_group.setLayout(middle_layout)
self.main_layout.addWidget(middle_group, 1, 2, 1, 5)
def setup_right_group(self):
right_group = QtGui.QGroupBox()
right_layout = QtGui.QGridLayout()
self.connected_status_label = QtGui.QLabel()
self.connected_status_label.setAlignment(QtCore.Qt.AlignCenter)
self.connected_status_label.setAutoFillBackground(True)
connected_status_palette = self.connected_status_label.palette()
connected_status_palette.setColor(
self.connected_status_label.backgroundRole(), self.RED)
self.connected_status_label.setPalette(connected_status_palette)
self.connected_status_label.setText("NOT CONNECTED")
right_layout.addWidget(self.connected_status_label, 1, 1)
self.recording_status_label = QtGui.QLabel()
self.recording_status_label.setAlignment(QtCore.Qt.AlignCenter)
self.recording_status_label.setAutoFillBackground(True)
recording_status_palette = self.recording_status_label.palette()
recording_status_palette.setColor(
self.recording_status_label.backgroundRole(), self.RED)
self.recording_status_label.setPalette(recording_status_palette)
self.recording_status_label.setText("Not Recording")
right_layout.addWidget(self.recording_status_label, 2, 1)
self.recognized_gesture_heading = QtGui.QLabel("Recognized Gesture:")
self.recognized_gesture = QtGui.QLabel("UNKNOWN GESTURE")
right_layout.addWidget(self.recognized_gesture_heading, 3, 1, 1, 1)
right_layout.addWidget(self.recognized_gesture, 4, 1, 1, 1)
self.known_gestures = QtGui.QLabel()
self.known_gestures.setText("HERE WILL BE ALL KNOWN GESTURES")
right_layout.addWidget(self.known_gestures, 5, 1, 3, 1)
right_group.setLayout(right_layout)
self.main_layout.addWidget(right_group, 1, 7, 1, 1)
def setup_nodes(self):
# Create an empty flowchart with a single input and output
self.fc = Flowchart(terminals={})
self.wiimote_node = self.fc.createNode('Wiimote')
self.buffer_node_x = self.fc.createNode('Buffer')
self.buffer_node_y = self.fc.createNode('Buffer')
self.buffer_node_z = self.fc.createNode('Buffer')
self.fft_node = self.fc.createNode('Fft')
self.fc.connectTerminals(self.wiimote_node['accelX'],
self.buffer_node_x['dataIn'])
self.fc.connectTerminals(self.wiimote_node['accelY'],
self.buffer_node_y['dataIn'])
self.fc.connectTerminals(self.wiimote_node['accelZ'],
self.buffer_node_z['dataIn'])
self.fc.connectTerminals(self.buffer_node_x['dataOut'],
self.fft_node['inX'])
self.fc.connectTerminals(self.buffer_node_y['dataOut'],
self.fft_node['inY'])
self.fc.connectTerminals(self.buffer_node_z['dataOut'],
self.fft_node['inZ'])
spectrogram_node = self.fc.createNode('PlotWidget')
spectrogram_node.setPlot(self.spectrogram_widget)
self.fc.connectTerminals(self.fft_node['fft'], spectrogram_node['In'])
self.svm_node = self.fc.createNode('Svm')
self.fc.connectTerminals(self.fft_node['fft'], self.svm_node['fft'])
def connect_buttons(self):
self.training_btn.clicked.connect(self.toggle_training_mode)
self.wm_connect_btn.clicked.connect(self.connect_wm)
self.save_btn.clicked.connect(self.save_gesture)
def save_gesture(self):
# evtl in list statt dict speichern um mehrere mit gleichne namen zu haben
name = self.save_text.text().strip()
print(len(name))
if len(name) == 0:
name = "Unknown Name"
# self.gestures[name] = self.svm_node.get_current_recording()
self.svm_node.add_gesture(name)
self.save_text.setText("")
def connect_wm(self):
btaddr = self.wm_addr.text().strip()
print(btaddr)
self.wiimote_node.connect_wiimote(btaddr,
model='Nintendo RVL-CNT-01-TR')
self.training_label.setText("Training Mode OFF")
self.connected_status_label.setText("CONNECTED")
connected_status_palette = self.connected_status_label.palette()
connected_status_palette.setColor(
self.connected_status_label.backgroundRole(), self.GREEN)
self.connected_status_label.setPalette(connected_status_palette)
self.wiimote_node.wiimote.buttons.register_callback(
self.handle_wm_button)
def handle_wm_button(self, buttons):
if len(buttons) > 0:
for button in buttons:
if button[0] == 'A':
if button[1]:
self.toggle_training_mode()
if button[0] == 'B':
if button[1]:
self.start_recognition_mode()
else:
self.stop_recognition_mode()
def toggle_training_mode(self):
self.training_mode = not self.training_mode
print('New State (Training Mode): ', self.training_mode)
if self.training_mode:
self.svm_node.set_training_mode(True)
self.training_btn.setText("Deactivate Training Mode")
self.training_label.setText("Training Mode ON")
training_status_palette = self.training_label.palette()
training_status_palette.setColor(
self.training_label.backgroundRole(), self.YELLOW)
self.training_label.setPalette(training_status_palette)
self.recording_status_label.setText("Recording Training Data")
p = self.recording_status_label.palette()
p.setColor(self.recording_status_label.backgroundRole(),
self.YELLOW)
self.recording_status_label.setPalette(p)
else:
self.svm_node.set_training_mode(False)
self.training_btn.setText("Activate Training Mode")
self.training_label.setText("Training Mode OFF")
training_status_palette = self.training_label.palette()
training_status_palette.setColor(
self.training_label.backgroundRole(), self.GRAY)
self.training_label.setPalette(training_status_palette)
self.recording_status_label.setText("Not Recording")
p = self.recording_status_label.palette()
p.setColor(self.recording_status_label.backgroundRole(), self.RED)
self.recording_status_label.setPalette(p)
def start_recognition_mode(self):
print("Start recognition Mode")
self.svm_node.set_recognition_mode(True)
self.recording_status_label.setText("Recording Recognition Data")
p = self.recording_status_label.palette()
p.setColor(self.recording_status_label.backgroundRole(), self.YELLOW)
self.recording_status_label.setPalette(p)
def stop_recognition_mode(self):
print("Stop recognition Mode")
self.svm_node.set_recognition_mode(False)
self.recording_status_label.setText("Not Recording")
p = self.recording_status_label.palette()
p.setColor(self.recording_status_label.backgroundRole(), self.RED)
self.recording_status_label.setPalette(p)
def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Fourier Transformation")
self.showFullScreen()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
self.layout.addWidget(fc.widget(), 0, 0, 2, 1)
pw1 = pg.PlotWidget()
pw2 = pg.PlotWidget()
pw1.getPlotItem().setLabel('left', text='Amplitude')
pw1.getPlotItem().setLabel('bottom', text='Time')
pw2.getPlotItem().setLabel('left', text='Y(freq)')
pw2.getPlotItem().setLabel('bottom', text='F(Hz)')
self.layout.addWidget(pw1, 0, 1)
self.layout.addWidget(pw2, 1, 1)
sampling_rate = 150.0
sampling_interval = 1.0 / sampling_rate; # Abtastfrequenz f = (1/t)
time_vector = np.arange(0, 1, sampling_interval)
signal_frequency = 10
data = np.sin(2 * np.pi * signal_frequency * time_vector)
print data
fc.setInput(dataIn=data)
pw1Node = fc.createNode('PlotWidget', pos=(0, -150))
pw1Node.setPlot(pw1)
pw2Node = fc.createNode('PlotWidget', pos=(150, -150))
pw2Node.setPlot(pw2)
fNode = fc.createNode('AnalyzeNode', pos=(0, 0))
fc.connectTerminals(fc['dataIn'], fNode['dataIn'])
fc.connectTerminals(fc['dataIn'], pw1Node['In'])
fc.connectTerminals(fNode['dataOut'], pw2Node['In'])
fc.connectTerminals(fNode['dataOut'], fc['dataOut'])
class Demo(QtGui.QWidget):
def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Wiimote Activity")
self.showFullScreen()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.fc = Flowchart(terminals={"dataIn": {"io": "in"}, "dataOut": {"io": "out"}})
self.layout.addWidget(self.fc.widget(), 0, 0, 4, 1)
self.createNodes()
# self.getWiimote()
# connect to wiimote with an address given as argument
def getWiimote(self):
if len(sys.argv) == 1:
addr, name = wiimote.find()[0]
elif len(sys.argv) == 2:
addr = sys.argv[1]
name = None
elif len(sys.argv) == 3:
addr, name = sys.argv[1:3]
print ("Connecting to %s (%s)" % (name, addr))
self.wiimoteNode.text.setText(addr)
self.wiimoteNode.connect_wiimote()
def update(self):
outputValues = self.activityNode.outputValues()
if outputValues["activity"] is not None:
self.label.setText(outputValues["activity"])
pg.QtGui.QApplication.processEvents()
# create and config the nodes needed to recognize activities
def createNodes(self):
pwX = pg.PlotWidget()
pwY = pg.PlotWidget()
pwZ = pg.PlotWidget()
pwX.getPlotItem().hideAxis("bottom")
pwX.setYRange(300, 700)
pwY.getPlotItem().hideAxis("bottom")
pwY.setYRange(300, 700)
pwZ.getPlotItem().hideAxis("bottom")
pwZ.setYRange(300, 700)
self.label = QtGui.QLabel()
self.label.setText("No activity yet...")
font = QtGui.QFont("Arial")
font.setPointSize(32)
self.label.setFont(font)
self.layout.addWidget(pwX, 0, 1)
self.layout.addWidget(pwY, 1, 1)
self.layout.addWidget(pwZ, 2, 1)
self.layout.addWidget(self.label, 3, 1)
pwXNode = self.fc.createNode("PlotWidget", pos=(-150, -150))
pwXNode.setPlot(pwX)
pwYNode = self.fc.createNode("PlotWidget", pos=(0, -150))
pwYNode.setPlot(pwY)
pwZNode = self.fc.createNode("PlotWidget", pos=(150, -150))
pwZNode.setPlot(pwZ)
self.activityNode = self.fc.createNode("ClassifierNode", pos=(0, 150))
"""
self.wiimoteNode = self.fc.createNode('Wiimote', pos=(-300, 0))
self.bufferXNode = self.fc.createNode('Buffer', pos=(-150, -300))
self.bufferYNode = self.fc.createNode('Buffer', pos=(0, -300))
self.bufferZNode = self.fc.createNode('Buffer', pos=(150, -300))
self.fc.connectTerminals(
self.wiimoteNode['accelX'], self.bufferXNode['dataIn'])
self.fc.connectTerminals(
self.wiimoteNode['accelY'], self.bufferYNode['dataIn'])
self.fc.connectTerminals(
self.wiimoteNode['accelZ'], self.bufferZNode['dataIn'])
self.fc.connectTerminals(self.bufferXNode['dataOut'], pwXNode['In'])
self.fc.connectTerminals(self.bufferYNode['dataOut'], pwYNode['In'])
self.fc.connectTerminals(self.bufferZNode['dataOut'], pwZNode['In'])
self.fc.connectTerminals(
self.bufferXNode['dataOut'], self.activityNode['accelX'])
self.fc.connectTerminals(
self.bufferYNode['dataOut'], self.activityNode['accelY'])
self.fc.connectTerminals(
self.bufferZNode['dataOut'], self.activityNode['accelZ'])
"""
def keyPressEvent(self, ev):
if ev.key() == QtCore.Qt.Key_Escape:
self.close()
def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Plotting the Wiimote")
self.showFullScreen()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.flowchart = Flowchart(
terminals={
'xDataIn': {
'io': 'in'
},
'yDataIn': {
'io': 'in'
},
'zDataIn': {
'io': 'in'
},
'xDataOut': {
'io': 'out'
},
'yDataOut': {
'io': 'out'
},
'zDataOut': {
'io': 'out'
}
})
self.layout.addWidget(self.flowchart.widget(), 0, 0, 3, 1)
fclib.registerNodeType(WiimoteNode, [('Display', )])
self.wii_node = self.flowchart.createNode('Wiimote', pos=(0, 0))
self.axes = ['x', 'y', 'z']
# positions for all nodes; order:
# raw_node xpos, raw_node ypos, filtered_node xpos, filtered_node ypos,
# filter_node xpos, filter_node ypos
self.positions = {
'x': [-450, -350, -300, -350, -375, -150],
'y': [-150, -350, 0, -350, -75, -150],
'z': [150, -350, 300, -350, 225, -150],
}
# create, style, config and connect the elements for every axis
for axis in self.axes:
index = self.axes.index(axis)
plot_raw = pyqtgraph.PlotWidget()
plot_filtered = pyqtgraph.PlotWidget()
# add widget for this axis in next row
self.layout.addWidget(plot_filtered, index, 2, 1, 2)
self.configPlotItems(axis, plot_raw, plot_filtered)
self.createNodes(axis, plot_raw, plot_filtered)
self.connectNodes(axis)
pyqtgraph.setConfigOptions(antialias=True)
self.flowchart.setInput(xDataIn=0)
self.flowchart.setInput(yDataIn=0)
self.flowchart.setInput(zDataIn=0)
# Save the default state of view of main window
save()
# Create and Add a ControllerWidget (for visual and serial communication)
controller_w = ControllerWidget()
controller.addWidget(controller_w)
#####################################
# Create Flow Chart and components
#####################################
# Create flowchart, define input/output terminals
fc = Flowchart(terminals={
#'sigOut': {'io': 'in'},
#'sigOut2': {'io': 'in'}#,
#'sigIn': {'io': 'out'} #We don't currently need any outputs from FC
}, name='Connections')
# Remove the unnecessary input and output nodes
fc.removeNode(fc.inputNode)
fc.removeNode(fc.outputNode)
flowchart = fc.widget()
d3.addWidget(flowchart)
flowchart_dock.addWidget(fc.widget().chartWidget)
#Register own node types
fclib.registerNodeType(OscilloscopeNode, [('SciEdu',)])
fclib.registerNodeType(FilterNode, [('SciEdu',)])
fclib.registerNodeType(CharToBinaryNode, [('SciEdu',)])
# Save the default state of view of main window
save()
# Create and Add a ControllerWidget (for visual and serial communication)
controller_w = ControllerWidget()
controller.addWidget(controller_w)
#####################################
# Create Flow Chart and components
#####################################
# Create flowchart, define input/output terminals
fc = Flowchart(
terminals={
#'sigOut': {'io': 'in'},
#'sigOut2': {'io': 'in'}#,
#'sigIn': {'io': 'out'} #We don't currently need any outputs from FC
},
name='Connections')
# Remove the unnecessary input and output nodes
fc.removeNode(fc.inputNode)
fc.removeNode(fc.outputNode)
flowchart = fc.widget()
d3.addWidget(flowchart)
flowchart_dock.addWidget(fc.widget().chartWidget)
#Register own node types
fclib.registerNodeType(OscilloscopeNode, [('SciEdu', )])
fclib.registerNodeType(FilterNode, [('SciEdu', )])
if __name__ == '__main__':
import sys
app = QtGui.QApplication([])
win = QtGui.QMainWindow()
win.setWindowTitle('WiimoteNode demo')
cw = QtGui.QWidget()
win.setCentralWidget(cw)
layout = QtGui.QGridLayout()
cw.setLayout(layout)
## Create an empty flowchart with a single input and output
fc = Flowchart(terminals={
'dataIn': {
'io': 'in'
},
'dataOut': {
'io': 'out'
}
})
w = fc.widget()
layout.addWidget(fc.widget(), 0, 0, 2, 1)
pw1 = pg.PlotWidget()
layout.addWidget(pw1, 0, 1)
pw1.setYRange(0, 1024)
pw1Node = fc.createNode('PlotWidget', pos=(0, -150))
pw1Node.setPlot(pw1)
wiimoteNode = fc.createNode(
class Demo(QtGui.QWidget):
def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Plotting the Wiimote")
self.showFullScreen()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.flowchart = Flowchart(terminals={
'xDataIn': {'io': 'in'},
'yDataIn': {'io': 'in'},
'zDataIn': {'io': 'in'},
'xDataOut': {'io': 'out'},
'yDataOut': {'io': 'out'},
'zDataOut': {'io': 'out'}
})
self.layout.addWidget(self.flowchart.widget(), 0, 0, 3, 1)
fclib.registerNodeType(WiimoteNode, [('Display',)])
self.wii_node = self.flowchart.createNode('Wiimote', pos=(0, 0))
self.axes = ['x', 'y', 'z']
# positions for all nodes; order:
# raw_node xpos, raw_node ypos, filtered_node xpos, filtered_node ypos,
# filter_node xpos, filter_node ypos
self.positions = {
'x': [-450, -350, -300, -350, -375, -150],
'y': [-150, -350, 0, -350, -75, -150],
'z': [150, -350, 300, -350, 225, -150],
}
# create, style, config and connect the elements for every axis
for axis in self.axes:
index = self.axes.index(axis)
plot_raw = pyqtgraph.PlotWidget()
plot_filtered = pyqtgraph.PlotWidget()
# add widget for this axis in next row
self.layout.addWidget(plot_filtered, index, 2, 1, 2)
self.configPlotItems(axis, plot_raw, plot_filtered)
self.createNodes(axis, plot_raw, plot_filtered)
self.connectNodes(axis)
pyqtgraph.setConfigOptions(antialias=True)
self.flowchart.setInput(xDataIn=0)
self.flowchart.setInput(yDataIn=0)
self.flowchart.setInput(zDataIn=0)
# create raw, filter and filtered node
def createNodes(self, axis, plot_raw, plot_filtered):
# create filtered node
self.plot_filtered_node = self.flowchart.createNode(
'PlotWidget', pos=(
self.positions[axis][2],
self.positions[axis][3]))
self.plot_filtered_node.setPlot(plot_filtered)
# create gaussian filter
self.filter_node = self.flowchart.createNode(
'GaussianFilter', pos=(
self.positions[axis][4],
self.positions[axis][5]))
self.filter_node.ctrls['sigma'].setValue(5)
# connect nodes: flowchart -> wiinode -> plot_raw + filter_node
# -> filtered_node
def connectNodes(self, axis):
self.flowchart.connectTerminals(
self.flowchart[axis + 'DataIn'], self.wii_node[axis + 'DataIn'])
self.flowchart.connectTerminals(
self.wii_node[axis + 'DataOut'], self.filter_node['In'])
self.flowchart.connectTerminals(
self.filter_node['Out'], self.plot_filtered_node['In'])
#self.flowchart.connectTerminals(
# self.filter_node['Out'], self.flowchart[axis + 'DataOut'])
# config plot items
def configPlotItems(self, axis, plot_raw, plot_filtered):
plot_raw.getPlotItem().setTitle("The " + axis + " Accelerometer")
plot_raw.getPlotItem().setMenuEnabled(False)
plot_raw.getPlotItem().setClipToView(False)
plot_raw.getPlotItem().hideAxis('bottom')
plot_raw.getPlotItem().showGrid(x=True, y=True, alpha=0.5)
plot_filtered.getPlotItem().setTitle(
"The " + axis + " Accelerometer - Filtered")
plot_filtered.getPlotItem().setMenuEnabled(False)
plot_filtered.getPlotItem().setClipToView(False)
plot_filtered.getPlotItem().hideAxis('bottom')
plot_filtered.getPlotItem().showGrid(x=True, y=True, alpha=0.5)
def updateValues(self, x, y, z):
self.flowchart.setInput(xDataIn=x)
self.flowchart.setInput(yDataIn=y)
self.flowchart.setInput(zDataIn=z)
pyqtgraph.QtGui.QApplication.processEvents()
def keyPressEvent(self, ev):
if ev.key() == QtCore.Qt.Key_Escape:
self.close()
class Demo(QtGui.QWidget):
def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Gesture Recognizer")
self.showFullScreen()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.fc = Flowchart(terminals={
'dataIn': {
'io': 'in'
},
'dataOut': {
'io': 'out'
}
})
self.layout.addWidget(self.fc.widget(), 0, 0, 2, 1)
self.path = {'x': [], 'y': []}
self.threshold = 50
self.sample_size = 64
self.default_msg = 'No template matched...'
self.error_ir_msg = 'No ir-values received'
self.error_wiimote_msg = 'No wiimote connected'
self.error_template_msg = 'No template could be created'
self.pressed_key = None
self.dollar = Recognizer()
self.config_nodes()
self.config_layout()
self.setup_templates()
self.get_wiimote()
'''
The command-line argument is parsed and used to establish
a connection to the wiimote
'''
def get_wiimote(self):
if len(sys.argv) == 1:
addr, name = wiimote.find()[0]
elif len(sys.argv) == 2:
addr = sys.argv[1]
name = None
elif len(sys.argv) == 3:
addr, name = sys.argv[1:3]
print("Connecting to %s (%s)" % (name, addr))
self.wiimoteNode.text.setText(addr)
self.wiimoteNode.connect_wiimote()
'''
A wiimote node and a buffer node are created as well as a
custom node which returns the position of the most intense
light source detected by the wiimote
'''
def config_nodes(self):
self.wiimoteNode = self.fc.createNode(
'Wiimote',
pos=(0, 0),
)
self.bufferNode = self.fc.createNode('Buffer', pos=(0, -150))
self.pointVisNode = self.fc.createNode('Vis2D', pos=(-150, 150))
self.bufferNode.setBufferSize(4)
self.fc.connectTerminals(self.wiimoteNode['irVals'],
self.bufferNode['dataIn'])
self.fc.connectTerminals(self.bufferNode['dataOut'],
self.pointVisNode['irVals'])
'''
A scatterplot is used to display the infrafred data and a text label
should indicate if the user input matches a predefined template
'''
def config_layout(self):
gview = pg.GraphicsLayoutWidget()
self.layout.addWidget(gview, 0, 1, 2, 1)
self.templatePlot = gview.addPlot()
self.templateScatter = pg.ScatterPlotItem(size=10,
pen=pg.mkPen(None),
brush=pg.mkBrush(
0, 255, 0, 120))
self.templatePlot.addItem(self.templateScatter)
self.templatePlot.setTitle("Template")
self.setRange(self.templatePlot, False)
# self.layout.addWidget(gview, 0, 1, 2, 1)
self.pathPlot = gview.addPlot()
self.pathScatter = pg.ScatterPlotItem(size=10,
pen=pg.mkPen(None),
brush=pg.mkBrush(
255, 255, 255, 120))
self.pathPlot.addItem(self.pathScatter)
self.pathPlot.setTitle("Path")
self.setRange(self.pathPlot, False)
self.label = QtGui.QLabel()
self.label.setText(self.default_msg)
font = QtGui.QFont("Arial")
font.setPointSize(32)
self.label.setFont(font)
self.layout.addWidget(self.label, 2, 1, 1, 1)
'''
Three default templates are added to the recognizer
'''
def setup_templates(self):
circlePoints = [(269, 84), (263, 86), (257, 92), (253, 98), (249, 104),
(245, 114), (243, 122), (239, 132), (237, 142),
(235, 152), (235, 162), (235, 172), (235, 180),
(239, 190), (245, 198), (251, 206), (259, 212),
(267, 216), (275, 218), (281, 222), (287, 224),
(295, 224), (301, 226), (311, 226), (319, 226),
(329, 226), (339, 226), (349, 226), (352, 226),
(360, 226), (362, 225), (366, 219), (367, 217),
(367, 209), (367, 206), (367, 198), (367, 190),
(367, 182), (367, 174), (365, 166), (363, 158),
(359, 152), (355, 146), (353, 138), (349, 134),
(345, 130), (341, 124), (340, 122), (338, 121),
(337, 119), (336, 117), (334, 116), (332, 115),
(331, 114), (327, 110), (325, 109), (323, 109),
(321, 108), (320, 108), (318, 107), (316, 107),
(315, 107), (314, 107), (313, 107), (312, 107),
(311, 107), (310, 107), (309, 106), (308, 106),
(307, 105), (306, 105), (305, 105), (304, 105),
(303, 104), (302, 104), (301, 104), (300, 104),
(299, 103), (298, 103), (296, 102), (295, 101),
(293, 101), (292, 100), (291, 100), (290, 100),
(289, 100), (288, 100), (288, 99), (287, 99),
(287, 99)]
squarePoints = [(193, 123), (193, 131), (193, 139), (195, 151),
(197, 161), (199, 175), (201, 187), (205, 201),
(207, 213), (209, 225), (213, 235), (213, 243),
(215, 251), (215, 254), (217, 262), (217, 264),
(217, 266), (217, 267), (218, 267), (219, 267),
(221, 267), (224, 267), (227, 267), (237, 267),
(247, 265), (259, 263), (273, 261), (287, 261),
(303, 259), (317, 257), (331, 255), (347, 255),
(361, 253), (375, 253), (385, 253), (395, 251),
(403, 249), (406, 249), (408, 249), (408, 248),
(409, 248), (409, 246), (409, 245), (409, 242),
(409, 234), (409, 226), (409, 216), (407, 204),
(407, 194), (405, 182), (403, 172), (403, 160),
(401, 150), (399, 140), (399, 130), (397, 122),
(397, 119), (397, 116), (396, 114), (396, 112),
(396, 111), (396, 110), (396, 109), (396, 108),
(396, 107), (396, 106), (396, 105), (394, 105),
(392, 105), (384, 105), (376, 105), (364, 105),
(350, 107), (334, 109), (318, 111), (306, 113),
(294, 115), (286, 117), (278, 117), (272, 119),
(269, 119), (263, 121), (260, 121), (254, 123),
(251, 123), (245, 125), (243, 125), (242, 125),
(241, 126), (240, 126), (238, 127), (236, 127),
(232, 128), (231, 128), (231, 129), (230, 129),
(228, 129), (227, 129), (226, 129), (225, 129),
(224, 129), (223, 129), (222, 129), (221, 130),
(221, 130)]
trianglePoints = \
[(282, 83), (281, 85), (277, 91), (273, 97),
(267, 105), (261, 113), (253, 123), (243, 133),
(235, 141), (229, 149), (221, 153), (217, 159),
(216, 160), (215, 161), (214, 162), (216, 162),
(218, 162), (221, 162), (227, 164), (233, 166),
(241, 166), (249, 166), (259, 166), (271, 166),
(283, 166), (297, 166), (309, 164), (323, 164),
(335, 162), (345, 162), (353, 162), (361, 160),
(363, 159), (365, 159), (366, 158), (367, 158),
(368, 157), (369, 157), (370, 156), (371, 156),
(371, 155), (372, 155), (372, 153), (372, 152),
(372, 151), (372, 149), (372, 147), (371, 145),
(367, 141), (363, 137), (359, 133), (353, 129),
(349, 125), (343, 121), (337, 119), (333, 115),
(327, 111), (325, 110), (324, 109), (320, 105),
(318, 104), (314, 100), (312, 99), (310, 98),
(306, 94), (305, 93), (303, 92), (301, 91),
(300, 90), (298, 89), (297, 88), (296, 88),
(295, 87), (294, 87), (293, 87), (293, 87)]
self.dollar.addTemplate('circle', circlePoints)
self.dollar.addTemplate('square', squarePoints)
self.dollar.addTemplate('triangle', trianglePoints)
def update(self):
# get biggest light's x/y values
outputValues = self.pointVisNode.outputValues()
if outputValues['irX'] is not None and outputValues['irY'] is not None:
if self.wiimoteNode.wiimote is not None:
if self.wiimoteNode.wiimote.buttons['A']:
# collect values and set state
self.construct_path(outputValues)
self.pressed_key = 'A'
elif self.wiimoteNode.wiimote.buttons['B']:
# collect values and set state
self.construct_path(outputValues)
self.pressed_key = 'B'
elif self.path['x'] is not None and len(self.path['x']) > 0:
# draw path when A or B is released after collecting path
self.draw_path()
else:
self.templateScatter.clear()
self.pathScatter.clear()
self.display_message(self.error_wiimote_msg)
else:
self.templateScatter.clear()
self.pathScatter.clear()
self.display_message(self.error_ir_msg)
# update range to remove old graphics
self.setRange(self.templatePlot, False)
self.setRange(self.pathPlot, False)
pyqtgraph.QtGui.QApplication.processEvents()
'''
The user input is added as a new template
'''
def create_template(self):
points = []
# combine x/y path arrays to one point array
for i in range(0, len(self.path['x'])):
points.append([self.path['x'][i], self.path['y'][i]])
# avoid devision by zero
if len(points) > 3:
# name and add template
name = 'tpl_' + str((len(self.dollar.templates) + 1))
self.label.setText("Created template " + name)
self.dollar.addTemplate(name, points)
else:
self.display_message(self.error_template_msg)
'''
The user input is compared to all available templates and depending
on the accordance a text message is displayed
'''
def compare_template(self):
points = self.combineXYPoints()
# try recognizing points. get name of template that matches most
# and its amount of matching
if len(points) < 3:
self.display_message(self.default_msg)
self.templateScatter.clear()
return
name, score = self.dollar.recognize(points)
score = score * 100
if score > self.threshold:
# template matches good enough
self.display_message(name)
# get template by name
template = [t for t in self.dollar.templates if t.name == name][0]
tpl_points = []
if template.points is None:
# template doesn't match good enough
self.display_message(self.default_msg)
self.templateScatter.clear()
else:
# collect and display template points
for i in range(0, len(template.points)):
tpl_points.append(
[template.points[i].x, template.points[i].y])
# display points
self.templateScatter.addPoints(pos=np.array(tpl_points),
brush=pg.mkBrush(
0, 255, 0, 120))
else:
# template doesn't match good enough
self.display_message(self.default_msg)
self.templateScatter.clear()
'''
The infrafred values are stored in a dictionary
'''
def construct_path(self, irValues):
self.templateScatter.clear()
self.pathScatter.clear()
self.path['x'].append(irValues['irX'])
self.path['y'].append(irValues['irY'])
'''
The stored infrafred values are passed to a scatterplot
'''
def draw_path(self):
path = self.combineXYPoints()
points = []
for i in range(0, len(path)):
points.append(Point(path[i][0], path[i][1]))
# display points
if len(points) >= 3:
points = resample(points, self.sample_size)
if points is not None:
path = []
for i in range(0, len(points)):
path.append([points[i].x, points[i].y])
self.pathScatter.addPoints(pos=np.array(path),
brush=pg.mkBrush(
255, 255, 255, 120))
# handle pressed keys
if self.pressed_key is 'A':
self.compare_template()
elif self.pressed_key is 'B':
self.create_template()
self.path['x'] = []
self.path['y'] = []
self.pressed_key = None
'''
Combine separate x and y point arrays to one nested array
'''
def combineXYPoints(self):
points = []
for i in range(0, len(self.path['x'])):
points.append([self.path['x'][i], self.path['y'][i]])
return points
'''
A text message is passed to a ui label widget
'''
def display_message(self, msg):
self.label.setText(msg)
def keyPressEvent(self, ev):
if ev.key() == QtCore.Qt.Key_Escape:
self.close()
def setRange(self, plot, static):
if static is False:
plot.enableAutoRange(enable=False)
plot.enableAutoRange(enable=True)
else:
plot.setXRange(300, 750)
plot.setYRange(300, 750)
from PyQt5.QtWidgets import QApplication
from pyqtgraph.flowchart import Flowchart, sys
if __name__ == "__main__":
app = QApplication(sys.argv)
fc = Flowchart()
w = fc.widget()
w1 = fc.nodes()
w.show()
sys.exit(app.exec_())
import pyqtgraph as pg
import numpy as np
app = QtGui.QApplication([])
## Create main window with a grid layout inside
win = QtGui.QMainWindow()
win.setWindowTitle('pyqtgraph example: FlowchartCustomNode')
cw = QtGui.QWidget()
win.setCentralWidget(cw)
layout = QtGui.QGridLayout()
cw.setLayout(layout)
## Create an empty flowchart with a single input and output
fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
w = fc.widget()
layout.addWidget(fc.widget(), 0, 0, 2, 1)
## Create two ImageView widgets to display the raw and processed data with contrast
## and color control.
v1 = pg.ImageView()
v2 = pg.ImageView()
layout.addWidget(v1, 0, 1)
layout.addWidget(v2, 1, 1)
win.show()
## generate random input data
from pyqtgraph.flowchart.library.common import CtrlNode, metaArrayWrapper
from pyqtgraph.Qt import QtGui, QtCore
app = QtGui.QApplication([])
## Create main window with a grid layout inside
win = QtGui.QMainWindow()
win.setWindowTitle('pyqtgraph example: FlowchartCustomNode')
cw = QtGui.QWidget()
win.setCentralWidget(cw)
layout = QtGui.QGridLayout()
cw.setLayout(layout)
## Create an empty flowchart with a single input and output
fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
w = fc.widget()
layout.addWidget(fc.widget(), 0, 0, 2, 1)
## Create two ImageView widgets to display the raw and processed data with contrast
## and color control.
v1 = pg.ImageView()
v2 = pg.ImageView()
layout.addWidget(v1, 0, 1)
layout.addWidget(v2, 1, 1)
win.show()
import cv2
def loadcv(pth,mode=-1,shape=None):
if __name__ == "__main__":
# creating main window
app = QtGui.QApplication([])
win = QtGui.QMainWindow()
win.setWindowTitle('Wiimote Accelerometer Analyze')
cw = QtGui.QWidget()
win.setCentralWidget(cw)
layout = QtGui.QGridLayout()
cw.setLayout(layout)
#creating flowchart
fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
w = fc.widget()
layout.addWidget(fc.widget(), 0, 0, 2, 1)
# three widgets for x-, y- & z-Axis
x = pg.PlotWidget()
y = pg.PlotWidget()
z = pg.PlotWidget()
# add widgets to grid layout
layout.addWidget(x, 0, 1)
layout.addWidget(y, 0, 2)
layout.addWidget(z, 0, 3)
raw_input("Press the 'sync' button on the back of your Wiimote Plus " +
"or buttons (1) and (2) on your classic Wiimote.\n" +
from pyqtgraph.Qt import QtGui, QtCore
import pyqtgraph as pg
import numpy as np
app = QtGui.QApplication([])
## Create main window with a grid layout inside
win = QtGui.QMainWindow()
win.setWindowTitle('pyqtgraph example: FlowchartCustomNode')
cw = QtGui.QWidget()
win.setCentralWidget(cw)
layout = QtGui.QGridLayout()
cw.setLayout(layout)
## Create an empty flowchart with a single input and output
fc = Flowchart(terminals={'dataIn': {'io': 'in'}, 'dataOut': {'io': 'out'}})
w = fc.widget()
layout.addWidget(fc.widget(), 0, 0, 2, 1)
## Create two ImageView widgets to display the raw and processed data with contrast
## and color control.
v1 = pg.ImageView()
v2 = pg.ImageView()
layout.addWidget(v1, 0, 1)
layout.addWidget(v2, 1, 1)
win.show()
## generate random input data
data = np.random.normal(size=(100, 100))
def init_filters(self):
## Create flowchart, define input/output terminals
fc = Flowchart(terminals={
'dataIn': {
'io': 'in'
},
'dataOut': {
'io': 'out'
}
})
## Add flowchart control panel to the main window
self.filter_d.layout.addWidget(fc.widget(), 0, 0, 2, 1)
## Add two plot widgets
pw1 = pg.PlotWidget()
pw2 = pg.PlotWidget()
self.filter_d.layout.addWidget(pw1, 0, 1)
self.filter_d.layout.addWidget(pw2, 1, 1)
## generate signal data to pass through the flowchart
data = np.random.normal(size=1000)
data[200:300] += 1
data += np.sin(np.linspace(0, 100, 1000))
data = metaarray.MetaArray(data,
info=[{
'name':
'Time',
'values':
np.linspace(0, 1.0, len(data))
}, {}])
## Feed data into the input terminal of the flowchart
fc.setInput(dataIn=data)
## populate the flowchart with a basic set of processing nodes.
## (usually we let the user do this)
plotList = {'Top Plot': pw1, 'Bottom Plot': pw2}
pw1Node = fc.createNode('PlotWidget', pos=(0, -150))
pw1Node.setPlotList(plotList)
pw1Node.setPlot(pw1)
pw2Node = fc.createNode('PlotWidget', pos=(150, -150))
pw2Node.setPlot(pw2)
pw2Node.setPlotList(plotList)
fNode = fc.createNode('GaussianFilter', pos=(0, 0))
fNode.ctrls['sigma'].setValue(5)
fc.connectTerminals(fc['dataIn'], fNode['In'])
fc.connectTerminals(fc['dataIn'], pw1Node['In'])
fc.connectTerminals(fNode['Out'], pw2Node['In'])
fc.connectTerminals(fNode['Out'], fc['dataOut'])
fclib.registerNodeType(FFTNode, [('Data',)])
if __name__ == '__main__':
import sys
app = QtGui.QApplication([])
win = QtGui.QMainWindow()
win.setWindowTitle('Frequalyzer')
cw = QtGui.QWidget()
win.setCentralWidget(cw)
layout = QtGui.QGridLayout()
cw.setLayout(layout)
# Create an empty flowchart with a single input and output
fc = Flowchart(terminals={
})
w = fc.widget()
layout.addWidget(fc.widget(), 0, 0, 2, 1)
# WiimoteNode:
wiimoteNode = fc.createNode('Wiimote', pos=(0, 0), )
wiimoteNode.text.setText(addr)
# X accelerator axis:
# Plots Widget:
pw_accelX = pg.PlotWidget(name="X accelerator")
layout.addWidget(pw_accelX, 0, 1)
pw_accelX.setYRange(-15, 55)
pw_accelX.setXRange(0, 40)
pw_x_Node = fc.createNode('PlotWidget', pos=(370, -140))
class Demo(QtGui.QWidget):
def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Gesture Recognizer")
self.showFullScreen()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
self.layout.addWidget(self.fc.widget(), 0, 0, 2, 1)
self.path = {'x': [], 'y': []}
self.threshold = 50
self.sample_size = 64
self.default_msg = 'No template matched...'
self.error_ir_msg = 'No ir-values received'
self.error_wiimote_msg = 'No wiimote connected'
self.error_template_msg = 'No template could be created'
self.pressed_key = None
self.dollar = Recognizer()
self.config_nodes()
self.config_layout()
self.setup_templates()
self.get_wiimote()
'''
The command-line argument is parsed and used to establish
a connection to the wiimote
'''
def get_wiimote(self):
if len(sys.argv) == 1:
addr, name = wiimote.find()[0]
elif len(sys.argv) == 2:
addr = sys.argv[1]
name = None
elif len(sys.argv) == 3:
addr, name = sys.argv[1:3]
print("Connecting to %s (%s)" % (name, addr))
self.wiimoteNode.text.setText(addr)
self.wiimoteNode.connect_wiimote()
'''
A wiimote node and a buffer node are created as well as a
custom node which returns the position of the most intense
light source detected by the wiimote
'''
def config_nodes(self):
self.wiimoteNode = self.fc.createNode('Wiimote', pos=(0, 0), )
self.bufferNode = self.fc.createNode('Buffer', pos=(0, -150))
self.pointVisNode = self.fc.createNode('Vis2D', pos=(-150, 150))
self.bufferNode.setBufferSize(4)
self.fc.connectTerminals(
self.wiimoteNode['irVals'],
self.bufferNode['dataIn'])
self.fc.connectTerminals(
self.bufferNode['dataOut'],
self.pointVisNode['irVals'])
'''
A scatterplot is used to display the infrafred data and a text label
should indicate if the user input matches a predefined template
'''
def config_layout(self):
gview = pg.GraphicsLayoutWidget()
self.layout.addWidget(gview, 0, 1, 2, 1)
self.templatePlot = gview.addPlot()
self.templateScatter = pg.ScatterPlotItem(
size=10, pen=pg.mkPen(None), brush=pg.mkBrush(0, 255, 0, 120))
self.templatePlot.addItem(self.templateScatter)
self.templatePlot.setTitle("Template")
self.setRange(self.templatePlot, False)
# self.layout.addWidget(gview, 0, 1, 2, 1)
self.pathPlot = gview.addPlot()
self.pathScatter = pg.ScatterPlotItem(
size=10, pen=pg.mkPen(None), brush=pg.mkBrush(255, 255, 255, 120))
self.pathPlot.addItem(self.pathScatter)
self.pathPlot.setTitle("Path")
self.setRange(self.pathPlot, False)
self.label = QtGui.QLabel()
self.label.setText(self.default_msg)
font = QtGui.QFont("Arial")
font.setPointSize(32)
self.label.setFont(font)
self.layout.addWidget(self.label, 2, 1, 1, 1)
'''
Three default templates are added to the recognizer
'''
def setup_templates(self):
circlePoints = [(269, 84), (263, 86), (257, 92), (253, 98),
(249, 104), (245, 114), (243, 122), (239, 132),
(237, 142), (235, 152), (235, 162), (235, 172),
(235, 180), (239, 190), (245, 198), (251, 206),
(259, 212), (267, 216), (275, 218), (281, 222),
(287, 224), (295, 224), (301, 226), (311, 226),
(319, 226), (329, 226), (339, 226), (349, 226),
(352, 226), (360, 226), (362, 225), (366, 219),
(367, 217), (367, 209), (367, 206), (367, 198),
(367, 190), (367, 182), (367, 174), (365, 166),
(363, 158), (359, 152), (355, 146), (353, 138),
(349, 134), (345, 130), (341, 124), (340, 122),
(338, 121), (337, 119), (336, 117), (334, 116),
(332, 115), (331, 114), (327, 110), (325, 109),
(323, 109), (321, 108), (320, 108), (318, 107),
(316, 107), (315, 107), (314, 107), (313, 107),
(312, 107), (311, 107), (310, 107), (309, 106),
(308, 106), (307, 105), (306, 105), (305, 105),
(304, 105), (303, 104), (302, 104), (301, 104),
(300, 104), (299, 103), (298, 103), (296, 102),
(295, 101), (293, 101), (292, 100), (291, 100),
(290, 100), (289, 100), (288, 100), (288, 99),
(287, 99), (287, 99)]
squarePoints = [(193, 123), (193, 131), (193, 139), (195, 151),
(197, 161), (199, 175), (201, 187), (205, 201),
(207, 213), (209, 225), (213, 235), (213, 243),
(215, 251), (215, 254), (217, 262), (217, 264),
(217, 266), (217, 267), (218, 267), (219, 267),
(221, 267), (224, 267), (227, 267), (237, 267),
(247, 265), (259, 263), (273, 261), (287, 261),
(303, 259), (317, 257), (331, 255), (347, 255),
(361, 253), (375, 253), (385, 253), (395, 251),
(403, 249), (406, 249), (408, 249), (408, 248),
(409, 248), (409, 246), (409, 245), (409, 242),
(409, 234), (409, 226), (409, 216), (407, 204),
(407, 194), (405, 182), (403, 172), (403, 160),
(401, 150), (399, 140), (399, 130), (397, 122),
(397, 119), (397, 116), (396, 114), (396, 112),
(396, 111), (396, 110), (396, 109), (396, 108),
(396, 107), (396, 106), (396, 105), (394, 105),
(392, 105), (384, 105), (376, 105), (364, 105),
(350, 107), (334, 109), (318, 111), (306, 113),
(294, 115), (286, 117), (278, 117), (272, 119),
(269, 119), (263, 121), (260, 121), (254, 123),
(251, 123), (245, 125), (243, 125), (242, 125),
(241, 126), (240, 126), (238, 127), (236, 127),
(232, 128), (231, 128), (231, 129), (230, 129),
(228, 129), (227, 129), (226, 129), (225, 129),
(224, 129), (223, 129), (222, 129), (221, 130),
(221, 130)]
trianglePoints = \
[(282, 83), (281, 85), (277, 91), (273, 97),
(267, 105), (261, 113), (253, 123), (243, 133),
(235, 141), (229, 149), (221, 153), (217, 159),
(216, 160), (215, 161), (214, 162), (216, 162),
(218, 162), (221, 162), (227, 164), (233, 166),
(241, 166), (249, 166), (259, 166), (271, 166),
(283, 166), (297, 166), (309, 164), (323, 164),
(335, 162), (345, 162), (353, 162), (361, 160),
(363, 159), (365, 159), (366, 158), (367, 158),
(368, 157), (369, 157), (370, 156), (371, 156),
(371, 155), (372, 155), (372, 153), (372, 152),
(372, 151), (372, 149), (372, 147), (371, 145),
(367, 141), (363, 137), (359, 133), (353, 129),
(349, 125), (343, 121), (337, 119), (333, 115),
(327, 111), (325, 110), (324, 109), (320, 105),
(318, 104), (314, 100), (312, 99), (310, 98),
(306, 94), (305, 93), (303, 92), (301, 91),
(300, 90), (298, 89), (297, 88), (296, 88),
(295, 87), (294, 87), (293, 87), (293, 87)]
self.dollar.addTemplate('circle', circlePoints)
self.dollar.addTemplate('square', squarePoints)
self.dollar.addTemplate('triangle', trianglePoints)
def update(self):
# get biggest light's x/y values
outputValues = self.pointVisNode.outputValues()
if outputValues['irX'] is not None and outputValues['irY'] is not None:
if self.wiimoteNode.wiimote is not None:
if self.wiimoteNode.wiimote.buttons['A']:
# collect values and set state
self.construct_path(outputValues)
self.pressed_key = 'A'
elif self.wiimoteNode.wiimote.buttons['B']:
# collect values and set state
self.construct_path(outputValues)
self.pressed_key = 'B'
elif self.path['x'] is not None and len(self.path['x']) > 0:
# draw path when A or B is released after collecting path
self.draw_path()
else:
self.templateScatter.clear()
self.pathScatter.clear()
self.display_message(self.error_wiimote_msg)
else:
self.templateScatter.clear()
self.pathScatter.clear()
self.display_message(self.error_ir_msg)
# update range to remove old graphics
self.setRange(self.templatePlot, False)
self.setRange(self.pathPlot, False)
pyqtgraph.QtGui.QApplication.processEvents()
'''
The user input is added as a new template
'''
def create_template(self):
points = []
# combine x/y path arrays to one point array
for i in range(0, len(self.path['x'])):
points.append([self.path['x'][i], self.path['y'][i]])
# avoid devision by zero
if len(points) > 3:
# name and add template
name = 'tpl_' + str((len(self.dollar.templates) + 1))
self.label.setText("Created template " + name)
self.dollar.addTemplate(name, points)
else:
self.display_message(self.error_template_msg)
'''
The user input is compared to all available templates and depending
on the accordance a text message is displayed
'''
def compare_template(self):
points = self.combineXYPoints()
# try recognizing points. get name of template that matches most
# and its amount of matching
if len(points) < 3:
self.display_message(self.default_msg)
self.templateScatter.clear()
return
name, score = self.dollar.recognize(points)
score = score * 100
if score > self.threshold:
# template matches good enough
self.display_message(name)
# get template by name
template = [t for t in self.dollar.templates if t.name == name][0]
tpl_points = []
if template.points is None:
# template doesn't match good enough
self.display_message(self.default_msg)
self.templateScatter.clear()
else:
# collect and display template points
for i in range(0, len(template.points)):
tpl_points.append(
[template.points[i].x, template.points[i].y])
# display points
self.templateScatter.addPoints(
pos=np.array(tpl_points), brush=pg.mkBrush(0, 255, 0, 120))
else:
# template doesn't match good enough
self.display_message(self.default_msg)
self.templateScatter.clear()
'''
The infrafred values are stored in a dictionary
'''
def construct_path(self, irValues):
self.templateScatter.clear()
self.pathScatter.clear()
self.path['x'].append(irValues['irX'])
self.path['y'].append(irValues['irY'])
'''
The stored infrafred values are passed to a scatterplot
'''
def draw_path(self):
path = self.combineXYPoints()
points = []
for i in range(0, len(path)):
points.append(Point(path[i][0], path[i][1]))
# display points
if len(points) >= 3:
points = resample(points, self.sample_size)
if points is not None:
path = []
for i in range(0, len(points)):
path.append([points[i].x, points[i].y])
self.pathScatter.addPoints(
pos=np.array(path), brush=pg.mkBrush(255, 255, 255, 120))
# handle pressed keys
if self.pressed_key is 'A':
self.compare_template()
elif self.pressed_key is 'B':
self.create_template()
self.path['x'] = []
self.path['y'] = []
self.pressed_key = None
'''
Combine separate x and y point arrays to one nested array
'''
def combineXYPoints(self):
points = []
for i in range(0, len(self.path['x'])):
points.append([self.path['x'][i], self.path['y'][i]])
return points
'''
A text message is passed to a ui label widget
'''
def display_message(self, msg):
self.label.setText(msg)
def keyPressEvent(self, ev):
if ev.key() == QtCore.Qt.Key_Escape:
self.close()
def setRange(self, plot, static):
if static is False:
plot.enableAutoRange(enable=False)
plot.enableAutoRange(enable=True)
else:
plot.setXRange(300, 750)
plot.setYRange(300, 750)
import numpy as np
import pyqtgraph.metaarray as metaarray
app = QtGui.QApplication([])
## Create main window with grid layout
win = QtGui.QMainWindow()
win.setWindowTitle('pyqtgraph example: Flowchart')
cw = QtGui.QWidget()
win.setCentralWidget(cw)
layout = QtGui.QGridLayout()
cw.setLayout(layout)
## Create flowchart, define input/output terminals
fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
w = fc.widget()
## Add flowchart control panel to the main window
layout.addWidget(fc.widget(), 0, 0, 2, 1)
## Add two plot widgets
pw1 = pg.PlotWidget()
pw2 = pg.PlotWidget()
layout.addWidget(pw1, 0, 1)
layout.addWidget(pw2, 1, 1)
win.show()
## generate signal data to pass through the flowchart
fclib.registerNodeType(PlotNode, [('Display',)])
###############################################################################
if __name__ == '__main__':
import sys
app = QtGui.QApplication([])
win = QtGui.QMainWindow()
win.setWindowTitle('Activity tracker')
cw = QtGui.QWidget()
win.setCentralWidget(cw)
layout = QtGui.QGridLayout()
cw.setLayout(layout)
# Create an empty flowchart with a single input and output
fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
w = fc.widget()
layout.addWidget(fc.widget(), 0, 0, 2, 1)
# wiimote node
wiimoteNode = fc.createNode('Wiimote', pos=(0, -300), )
# X
# buffer for X
xBufferNode = fc.createNode('CSV', pos=(150, -450))
# fft for X
xFftNode = fc.createNode('Fft', pos=(600, -450))
# plotting fft data of X
xFftPlotWidget = pg.PlotWidget()
p = os.path.dirname(os.path.abspath(__file__))
p = os.path.join(p, '..', '..')
sys.path.insert(0, p)
from pyqtgraph.flowchart import Flowchart
from pyqtgraph.Qt import QtGui
#import pyqtgraph.flowchart as f
app = QtGui.QApplication([])
#TETRACYCLINE = True
fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
w = fc.widget()
w.resize(400,200)
w.show()
n1 = fc.createNode('Add')
n2 = fc.createNode('Subtract')
n3 = fc.createNode('Abs')
n4 = fc.createNode('Add')
fc.connectTerminals(fc.dataIn, n1.A)
fc.connectTerminals(fc.dataIn, n1.B)
fc.connectTerminals(fc.dataIn, n2.A)
fc.connectTerminals(n1.Out, n4.A)
fc.connectTerminals(n1.Out, n2.B)
class Demo(QtGui.QWidget):
def __init__(self, parent=None):
super(Demo, self).__init__()
self.setWindowTitle("Plotting the Wiimote")
self.showFullScreen()
self.layout = QtGui.QGridLayout()
self.setLayout(self.layout)
self.flowchart = Flowchart(
terminals={
'xDataIn': {
'io': 'in'
},
'yDataIn': {
'io': 'in'
},
'zDataIn': {
'io': 'in'
},
'xDataOut': {
'io': 'out'
},
'yDataOut': {
'io': 'out'
},
'zDataOut': {
'io': 'out'
}
})
self.layout.addWidget(self.flowchart.widget(), 0, 0, 3, 1)
fclib.registerNodeType(WiimoteNode, [('Display', )])
self.wii_node = self.flowchart.createNode('Wiimote', pos=(0, 0))
self.axes = ['x', 'y', 'z']
# positions for all nodes; order:
# raw_node xpos, raw_node ypos, filtered_node xpos, filtered_node ypos,
# filter_node xpos, filter_node ypos
self.positions = {
'x': [-450, -350, -300, -350, -375, -150],
'y': [-150, -350, 0, -350, -75, -150],
'z': [150, -350, 300, -350, 225, -150],
}
# create, style, config and connect the elements for every axis
for axis in self.axes:
index = self.axes.index(axis)
plot_raw = pyqtgraph.PlotWidget()
plot_filtered = pyqtgraph.PlotWidget()
# add widget for this axis in next row
self.layout.addWidget(plot_filtered, index, 2, 1, 2)
self.configPlotItems(axis, plot_raw, plot_filtered)
self.createNodes(axis, plot_raw, plot_filtered)
self.connectNodes(axis)
pyqtgraph.setConfigOptions(antialias=True)
self.flowchart.setInput(xDataIn=0)
self.flowchart.setInput(yDataIn=0)
self.flowchart.setInput(zDataIn=0)
# create raw, filter and filtered node
def createNodes(self, axis, plot_raw, plot_filtered):
# create filtered node
self.plot_filtered_node = self.flowchart.createNode(
'PlotWidget',
pos=(self.positions[axis][2], self.positions[axis][3]))
self.plot_filtered_node.setPlot(plot_filtered)
# create gaussian filter
self.filter_node = self.flowchart.createNode(
'GaussianFilter',
pos=(self.positions[axis][4], self.positions[axis][5]))
self.filter_node.ctrls['sigma'].setValue(5)
# connect nodes: flowchart -> wiinode -> plot_raw + filter_node
# -> filtered_node
def connectNodes(self, axis):
self.flowchart.connectTerminals(self.flowchart[axis + 'DataIn'],
self.wii_node[axis + 'DataIn'])
self.flowchart.connectTerminals(self.wii_node[axis + 'DataOut'],
self.filter_node['In'])
self.flowchart.connectTerminals(self.filter_node['Out'],
self.plot_filtered_node['In'])
#self.flowchart.connectTerminals(
# self.filter_node['Out'], self.flowchart[axis + 'DataOut'])
# config plot items
def configPlotItems(self, axis, plot_raw, plot_filtered):
plot_raw.getPlotItem().setTitle("The " + axis + " Accelerometer")
plot_raw.getPlotItem().setMenuEnabled(False)
plot_raw.getPlotItem().setClipToView(False)
plot_raw.getPlotItem().hideAxis('bottom')
plot_raw.getPlotItem().showGrid(x=True, y=True, alpha=0.5)
plot_filtered.getPlotItem().setTitle("The " + axis +
" Accelerometer - Filtered")
plot_filtered.getPlotItem().setMenuEnabled(False)
plot_filtered.getPlotItem().setClipToView(False)
plot_filtered.getPlotItem().hideAxis('bottom')
plot_filtered.getPlotItem().showGrid(x=True, y=True, alpha=0.5)
def updateValues(self, x, y, z):
self.flowchart.setInput(xDataIn=x)
self.flowchart.setInput(yDataIn=y)
self.flowchart.setInput(zDataIn=z)
pyqtgraph.QtGui.QApplication.processEvents()
def keyPressEvent(self, ev):
if ev.key() == QtCore.Qt.Key_Escape:
self.close()
fclib.registerNodeType(CategoryVisualizerNode, [('Data',)])
if __name__ == '__main__':
import sys
app = QtGui.QApplication([])
win = QtGui.QMainWindow()
win.setWindowTitle('WiimoteNode demo')
cw = QtGui.QWidget()
win.setCentralWidget(cw)
layout = QtGui.QGridLayout()
cw.setLayout(layout)
## Create an empty flowchart with a single input and output
fc = Flowchart(terminals={
'dataIn': {'io': 'in'},
'dataOut': {'io': 'out'}
})
w = fc.widget()
layout.addWidget(fc.widget(), 0, 0, 2, 1)
pw1 = pg.PlotWidget()
label = QtGui.QLabel("You're not moving")
layout.addWidget(label, 0, 1)
layout.addWidget(pw1, 0, 2)
pw1.setYRange(0, 1024)
pw1Node = fc.createNode('PlotWidget', pos=(0, -150))
pw1Node.setPlot(pw1)
