本文整理汇总了Python中pyqtgraph.mkPen函数的典型用法代码示例。如果您正苦于以下问题：Python mkPen函数的具体用法？Python mkPen怎么用？Python mkPen使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了mkPen函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Python代码示例。
示例1: test_update_coordinates
def test_update_coordinates(self):
graph = self.graph
xy = self.xy = (np.array([1, 2]), np.array([3, 4]))
graph.reset_graph()
scatterplot_item = graph.scatterplot_item
scatterplot_item_sel = graph.scatterplot_item_sel
data = scatterplot_item.data
np.testing.assert_almost_equal(scatterplot_item.getData(), xy)
np.testing.assert_almost_equal(scatterplot_item_sel.getData(), xy)
scatterplot_item.setSize([5, 6])
scatterplot_item.setSymbol([7, 8])
scatterplot_item.setPen([mkPen(9), mkPen(10)])
scatterplot_item.setBrush([11, 12])
data["data"] = np.array([13, 14])
xy[0][0] = 0
graph.update_coordinates()
np.testing.assert_almost_equal(graph.scatterplot_item.getData(), xy)
np.testing.assert_almost_equal(graph.scatterplot_item_sel.getData(), xy)
# Graph updates coordinates instead of creating new items
self.assertIs(scatterplot_item, graph.scatterplot_item)
self.assertIs(scatterplot_item_sel, graph.scatterplot_item_sel)
np.testing.assert_almost_equal(data["size"], [5, 6])
np.testing.assert_almost_equal(data["symbol"], [7, 8])
self.assertEqual(data["pen"][0], mkPen(9))
self.assertEqual(data["pen"][1], mkPen(10))
np.testing.assert_almost_equal(data["brush"], [11, 12])
np.testing.assert_almost_equal(data["data"], [13, 14])
开发者ID:mstrazar，项目名称:orange3，代码行数:31，代码来源:test_owscatterplotbase.py
示例2: generatePicture
def generatePicture(self):
self.picture = pg.QtGui.QPicture()
if self.pen is None or self.pos is None or self.adjacency is None:
return
p = pg.QtGui.QPainter(self.picture)
try:
pts = self.pos[self.adjacency]
pen = self.pen
if isinstance(pen, np.ndarray):
lastPen = None
for i in range(pts.shape[0]):
pen = self.pen[i]
if np.any(pen != lastPen):
lastPen = pen
if pen.dtype.fields is None:
p.setPen(pg.mkPen(color=(pen[0], pen[1], pen[2], pen[3]), width=1))
else:
p.setPen(pg.mkPen(color=(pen['red'], pen['green'], pen['blue'], pen['alpha']), width=pen['width']))
p.drawLine(pg.QtCore.QPointF(*pts[i][0]), pg.QtCore.QPointF(*pts[i][1]))
else:
if pen == 'default':
pen = pg.getConfigOption('foreground')
p.setPen(pg.mkPen(pen))
pts = pts.reshape((pts.shape[0]*pts.shape[1], pts.shape[2]))
path = fn.arrayToQPath(x=pts[:,0], y=pts[:,1], connect='pairs')
p.drawPath(path)
finally:
p.end()
开发者ID:3rdcycle，项目名称:pyqtgraph，代码行数:29，代码来源:GraphItem.py
示例3: plotAnalyzer
def plotAnalyzer(self):
"""Visualize the points found by the auto analyzer
Returns:
None: Description
"""
if hasattr(self, 'an'):
s1 = self.an.analysedSignals[0]
s2 = self.an.analysedSignals[1]
# signal 1
# ROI
self.anROI1 = self.pw2.plot(np.linspace(s1.ROIleft-100, s1.ROIleft)/1000,
np.ones(50)*s1.avg,
pen=pg.mkPen('w',width=2))
# points
self.anPlot1 = self.pw2.plot([s1.peak.idx/1000],
[s1.peak.h], symbolBrush=('w'), symbolSize=5)
self.anPlot1 = self.pw2.plot([s1.hwLeft.idx/1000],
[s1.hwLeft.h], symbolBrush=('w'), symbolSize=5)
self.anPlot1 = self.pw2.plot([s1.hwRight.idx/1000],
[s1.hwRight.h], symbolBrush=('w'), symbolSize=5)
# signal 2
# ROI
self.anROI2 = self.pw2.plot(np.linspace(s2.ROIleft-100, s2.ROIleft)/1000,
np.ones(50)*s2.avg,
pen=pg.mkPen('r',width=2))
# points
self.anPlot2 = self.pw2.plot([s2.peak.idx/1000],
[s2.peak.h], symbolBrush=('r'), symbolSize=5)
self.anPlot2 = self.pw2.plot([s2.hwLeft.idx/1000],
[s2.hwLeft.h], symbolBrush=('r'), symbolSize=5)
self.anPlot2 = self.pw2.plot([s2.hwRight.idx/1000],
[s2.hwRight.h], symbolBrush=('r'), symbolSize=5)
开发者ID:HanzoYu，项目名称:GSoundAnalyzer，代码行数:35，代码来源:GSoundAnalyzer_fixedRange.py
示例4: __init__
def __init__(self, angle, col, dangle=5, parent=None):
super().__init__(parent)
color = QColor(0, 0, 0) if col else QColor(128, 128, 128)
angle_d = np.rad2deg(angle)
angle_2 = 90 - angle_d - dangle
angle_1 = 270 - angle_d + dangle
dangle = np.deg2rad(dangle)
arrow1 = pg.ArrowItem(
parent=self, angle=angle_1, brush=color, pen=pg.mkPen(color)
)
arrow1.setPos(np.cos(angle - dangle), np.sin(angle - dangle))
arrow2 = pg.ArrowItem(
parent=self, angle=angle_2, brush=color, pen=pg.mkPen(color)
)
arrow2.setPos(np.cos(angle + dangle), np.sin(angle + dangle))
arc_x = np.fromfunction(
lambda i: np.cos((angle - dangle) + (2 * dangle) * i / 120.),
(121,), dtype=int
)
arc_y = np.fromfunction(
lambda i: np.sin((angle - dangle) + (2 * dangle) * i / 120.),
(121,), dtype=int
)
pg.PlotCurveItem(
parent=self, x=arc_x, y=arc_y, pen=pg.mkPen(color), antialias=False
)
开发者ID:PrimozGodec，项目名称:orange3，代码行数:26，代码来源:owradviz.py
示例5: insertPlot
def insertPlot(self, xAry = None, yAry = None, plotArea = None, legend = None,
plotName = None, lineColor = (0,0,0,255), lineWidth = 1, lineStyle = QtCore.Qt.SolidLine,
dotColor = (0,0,0,255), dotSize = 5, dotSym = 0, addLegend = True ):
Sym = [ 'o', 's', 't', 'd', '+' ]
if plotName == None:
plotName = 'Untitle {0}'.format(self.plotIDCounter)
if ( xAry != None and yAry != None):
line = plotArea.plot( np.array(xAry), np.array(yAry), name = plotName,
pen=pg.mkPen(color = lineColor, width=lineWidth, style=lineStyle), symbol = Sym[dotSym] )
else:
plotAry = xAry if xAry != None else yAry
xAry = np.linspace( 0, len( plotAry )-1, len( plotAry ))
yAry = np.array( plotAry )
line = plotArea.plot( np.array(xAry), np.array(yAry), name = plotName,
pen=pg.mkPen(color = lineColor, width = lineWidth, style = lineStyle), symbol = Sym[dotSym] )
self.addLineHolder(line)
self.reWrapp_line(line)
line.line_val( name = plotName, color = lineColor,
width = lineWidth, style = lineStyle,
symbol = Sym[dotSym], visible = True, viewNum = plotArea.viewBoxNum)
line.symbol_val( color = dotColor, size = dotSize,
penC = (0,255,0,255), penW = 2,
outLine = False, visible = True )
print line.line_color()
plotArea.showGrid(x=True, y=True)
if addLegend:
legend.addItem( line, plotName )
return line
开发者ID:s910324，项目名称:Sloth，代码行数:34，代码来源:plotSubWin.py
示例6: __init__
def __init__(self, clock):
pg.ItemGroup.__init__(self)
self.size = clock.size
self.item = QtGui.QGraphicsEllipseItem(QtCore.QRectF(0, 0, self.size, self.size))
self.item.translate(-self.size*0.5, -self.size*0.5)
self.item.setPen(pg.mkPen(100,100,100))
self.item.setBrush(clock.brush)
self.hand = QtGui.QGraphicsLineItem(0, 0, 0, self.size*0.5)
self.hand.setPen(pg.mkPen('w'))
self.hand.setZValue(10)
self.flare = QtGui.QGraphicsPolygonItem(QtGui.QPolygonF([
QtCore.QPointF(0, -self.size*0.25),
QtCore.QPointF(0, self.size*0.25),
QtCore.QPointF(self.size*1.5, 0),
QtCore.QPointF(0, -self.size*0.25),
]))
self.flare.setPen(pg.mkPen('y'))
self.flare.setBrush(pg.mkBrush(255,150,0))
self.flare.setZValue(-10)
self.addItem(self.hand)
self.addItem(self.item)
self.addItem(self.flare)
self.clock = clock
self.i = 1
self._spaceline = None
开发者ID:acrsilva，项目名称:animated-zZz-machine，代码行数:27，代码来源:relativity.py
示例7: _setup_plot
def _setup_plot(self):
self.plot.clear()
explained_ratio = self._variance_ratio
explained = self._cumulative
p = min(len(self._variance_ratio), self.maxp)
self.plot.plot(numpy.arange(p), explained_ratio[:p],
pen=pg.mkPen(QColor(Qt.red), width=2),
antialias=True,
name="Variance")
self.plot.plot(numpy.arange(p), explained[:p],
pen=pg.mkPen(QColor(Qt.darkYellow), width=2),
antialias=True,
name="Cumulative Variance")
self._line = pg.InfiniteLine(
angle=90, pos=self._nselected_components() - 1, movable=True,
bounds=(0, p - 1)
)
self._line.setCursor(Qt.SizeHorCursor)
self._line.setPen(pg.mkPen(QColor(Qt.darkGray), width=5))
self._line.sigPositionChanged.connect(self._on_cut_changed)
self.plot.addItem(self._line)
self.plot.setRange(xRange=(0.0, p - 1), yRange=(0.0, 1.0))
self._update_axis()
开发者ID:MPOWER4RU，项目名称:orange3，代码行数:26，代码来源:owpca.py
示例8: update_display_settings
def update_display_settings(self):
""" sets the colors for the ROIs and whether or not to show the label """
# handle the labels
if self.Main.Options.ROI['show_labels'] == True:
[ROI.labelItem.show() for ROI in self.ROI_list]
if self.Main.Options.ROI['show_labels'] == False:
[ROI.labelItem.hide() for ROI in self.ROI_list]
# handle the ROI colors
nActiveROIs = len(self.Main.Options.ROI['active_ROIs'])
# one ROI active, active/inactive color scheme
if nActiveROIs <= 1:
for ROI in self.ROI_list:
if ROI.active == True:
pen = pg.mkPen(self.Main.Options.ROI['active_color'],width=1.8)
if ROI.active == False:
pen = pg.mkPen(self.Main.Options.ROI['inactive_color'],width=1.8)
ROI.set_Pen(pen)
# multiple ROI active, traces colored to ROI
if nActiveROIs > 1:
colors = self.Main.Processing.calc_colors(nActiveROIs)
for i,ROI_id in enumerate(self.Main.Options.ROI['active_ROIs']):
ROI = self.ROI_list[ROI_id]
pen = pg.mkPen(colors[i],width=1.8)
ROI.set_Pen(pen)
pass
开发者ID:Dahaniel，项目名称:ILTIS，代码行数:28，代码来源:ROIs_Object.py
示例9: __init__
def __init__(self,Main=None,label=None,ViewBox=None):
# super(myROI,self).__init__()
self.Main = Main
self.label = label
self.ViewBox = self.parentItem()
self.children = [] # a list of GraphicsItems
self.active = False
self.center = self.get_center()
self.labelItem = pg.TextItem(text=label,anchor=(0.5,0.5))
self.update_center()
self.ViewBox.addItem(self.labelItem)
self.children.append(self.labelItem)
# link signals
self.sigRemoveRequested.connect(self.Main.ROIs.remove_ROI_request)
self.proxy = pg.SignalProxy(self.sigRegionChanged, rateLimit=30, slot=self.Main.ROIs.ROI_region_changed) # rate limit movement
self.setAcceptedMouseButtons(QtCore.Qt.LeftButton)
self.sigClicked.connect(self.Main.ROIs.ROI_clicked_handler)
# self.sigHoverEvent.connect(self.Main.ROIs.ROI_hover_handler)
# pens
self.active_pen = pg.mkPen(self.Main.Options.ROI['active_color'],width=1.8)
self.inactive_pen = pg.mkPen(self.Main.Options.ROI['inactive_color'],width=1.8)
self.hover_pen = pg.mkPen(255,255,0,width=1)
开发者ID:Dahaniel，项目名称:ILTIS，代码行数:26，代码来源:ROIs_Object.py
示例10: test_init_spots
def test_init_spots():
spots = [
{'x': 0, 'y': 1},
{'pos': (1, 2), 'pen': None, 'brush': None, 'data': 'zzz'},
]
s = pg.ScatterPlotItem(spots=spots)
# Check we can display without errors
plot.addItem(s)
app.processEvents()
plot.clear()
# check data is correct
spots = s.points()
defPen = pg.mkPen(pg.getConfigOption('foreground'))
assert spots[0].pos().x() == 0
assert spots[0].pos().y() == 1
assert spots[0].pen() == defPen
assert spots[0].data() is None
assert spots[1].pos().x() == 1
assert spots[1].pos().y() == 2
assert spots[1].pen() == pg.mkPen(None)
assert spots[1].brush() == pg.mkBrush(None)
assert spots[1].data() == 'zzz'
开发者ID:AeroEng43，项目名称:pyqtgraph，代码行数:27，代码来源:test_ScatterPlotItem.py
示例11: setupUi
def setupUi(self):
self.resize(1200, 900)
gr = pg.PlotWidget(parent=self, background=[255, 255, 255])
dtait = pg.PlotDataItem(pen=pg.mkPen('r', width=4))
dtait2 = pg.PlotDataItem(pen=pg.mkPen('b', width=4))
dtait.setVisible(True)
gr.plotItem.addItem(dtait)
gr.plotItem.addItem(dtait2)
pl = gr.getPlotItem()
vl = QVBoxLayout(self)
vl.addWidget(gr)
self.graph = gr
self._plot_rms = dtait
self._plot_ave = dtait2
hl = QHBoxLayout()
vl.addItem(hl)
self.dirs = sorted([f for f in os.listdir() if os.path.isdir(f)])
self.cb_dirs = QComboBox(self)
self.cb_dirs.addItems(self.dirs)
self.cb_dirs.currentTextChanged.connect(self._changedir)
hl.addWidget(self.cb_dirs)
self.cb_planes = QComboBox(self)
self.cb_planes.addItems(self.planes + ('Wlkick', ))
self.cb_planes.currentTextChanged.connect(self._changePlane)
hl.addWidget(self.cb_planes)
开发者ID:lnls-fac，项目名称:collective_effects，代码行数:28，代码来源:analyse_results.py
示例12: insertPlot
def insertPlot(self, xAry = None, yAry = None, plotArea = None, legend = None, plotName = None,
lineColor = (0,0,0,255), lineWidth = 1, lineStyle = QtCore.Qt.SolidLine,
dotColor = (0,0,0,255), dotSize = 4, dotSym = 0 ):
Sym = [ 'o', 's', 't', 'd', '+' ]
if plotName == None:
plotName = 'Untitle {0}'.format(self.plotCounter)
self.plotCounter += 1
if ( xAry != None and yAry != None):
line = plotArea.plot( np.array(xAry), np.array(yAry), name = plotName,
pen=pg.mkPen(color = lineColor, width=lineWidth, style=lineStyle), symbol = Sym[dotSym] )
self.plotLineHolder.append(line)
else:
plotAry = xAry if xAry != None else yAry
xAry = np.linspace( 0, len( plotAry )-1, len( plotAry ))
yAry = np.array( plotAry )
line = plotArea.plot( np.array(xAry), np.array(yAry), name = plotName,
pen=pg.mkPen(color = lineColor, width=lineWidth, style=lineStyle), symbol = Sym[dotSym] )
self.plotLineHolder.append(line)
line.setSymbolBrush( pg.mkBrush( color = dotColor ))
line.setSymbolPen( None )
line.setSymbolSize( dotSize )
plotArea.showGrid(x=True, y=True)
# line.setPen(pg.mkPen(color = (255,0,0,255), width=5, style=QtCore.Qt.SolidLine))
# self.w.setLabel('left', "Y Axis", units='A')
# self.w.setLabel('bottom', "Y Axis", units='s')
# self.w.setLogMode(x=True, y=False)
legend.addItem( line, plotName )
开发者ID:s910324，项目名称:Sloth，代码行数:27，代码来源:plotSubWin+(ori).py
示例13: commit
def commit(self):
new_stack = None
self.Error.nan_in_image.clear()
self.Error.invalid_axis.clear()
self.plotview.plotItem.clear()
if self.data and len(self.data.domain.attributes) and self.attr_x and self.attr_y:
try:
shifts, new_stack = process_stack(self.data, self.attr_x, self.attr_y,
upsample_factor=100, use_sobel=self.sobel_filter,
ref_frame_num=self.ref_frame_num-1)
except NanInsideHypercube as e:
self.Error.nan_in_image(e.args[0])
except InvalidAxisException as e:
self.Error.invalid_axis(e.args[0])
else:
# TODO: label axes
frames = np.linspace(1, shifts.shape[0], shifts.shape[0])
self.plotview.plotItem.plot(frames, shifts[:, 0],
pen=pg.mkPen(color=(255, 40, 0), width=3),
symbol='o', symbolBrush=(255, 40, 0), symbolPen='w',
symbolSize=7)
self.plotview.plotItem.plot(frames, shifts[:, 1],
pen=pg.mkPen(color=(0, 139, 139), width=3),
symbol='o', symbolBrush=(0, 139, 139), symbolPen='w',
symbolSize=7)
self.plotview.getPlotItem().setLabel('bottom', 'Frame number')
self.plotview.getPlotItem().setLabel('left', 'Shift / pixel')
self.plotview.getPlotItem().addLine(self.ref_frame_num,
pen=pg.mkPen(color=(150, 150, 150), width=3,
style=Qt.DashDotDotLine))
self.Outputs.newstack.send(new_stack)
开发者ID:markotoplak，项目名称:orange-infrared，代码行数:35，代码来源:owstackalign.py
示例14: _setup_plot
def _setup_plot(self):
explained_ratio = self._variance_ratio
explained = self._cumulative
(p, ) = explained.shape
self.plot.plot(numpy.arange(p), explained_ratio,
pen=pg.mkPen(QColor(Qt.red), width=2),
antialias=True,
name="Variance")
self.plot.plot(numpy.arange(p), explained,
pen=pg.mkPen(QColor(Qt.darkYellow), width=2),
antialias=True,
name="Cumulative Variance")
self._line = pg.InfiniteLine(
angle=90, pos=self._nselected_components() - 1, movable=True,
bounds=(0, p - 1)
)
self._line.setCursor(Qt.SizeHorCursor)
self._line.setPen(pg.mkPen(QColor(Qt.darkGray), width=1.5))
self._line.sigPositionChanged.connect(self._on_cut_changed)
self.plot.addItem(self._line)
self.plot.setRange(xRange=(0.0, p - 1), yRange=(0.0, 1.0))
axis = self.plot.getAxis("bottom")
axis.setTicks([[(i, "C{}".format(i + 1)) for i in range(p)]])
开发者ID:VesnaT，项目名称:orange3，代码行数:26，代码来源:owpca.py
示例15: plot_data
def plot_data(self, data):
self.clear()
self.showButtons()
self.data = data
try:
points = data.shape[0]
lines = data.shape[1]
if lines > 1:
# self.getViewBox().disableAutoRange()
# Color option for separate multiple plots
# for i in range(lines):
# item = PathItem(np.arange(points), data[:,i].flatten())
# item.setPen(pg.mkPen((i, lines)))
# self.widget.addItem(item)
xdata = np.tile(np.arange(points), (lines, 1))
# Assume data is vertical
item = MultiLine(xdata, data.T)
item.setPen(pg.mkPen('w'))
self.addItem(item)
# self.getViewBox().enableAutoRange()
self.autoRange()
except IndexError:
self.plot(np.arange(len(data)) / self.x_scale, data / self.y_scale, pen=pg.mkPen(width=1))
# Update title
text = 'Recording length: %f (s)' % (len(data) / self.x_scale)
self.s.title_updated.emit(text)
开发者ID:eagonmeng，项目名称:Bamboo，代码行数:31，代码来源:default_plot_widget.py
示例16: edit
def edit(self, index, trigger, event):
if trigger == QAbstractItemView.DoubleClicked:
print("DoubleClick Killed!")
model = self.model()
_filename = model.filePath(index)
pen1 = pg.mkPen(color=(self.pColor - 1, 32), width=2)
pen2 = pg.mkPen(color=(self.pColor - 1, 32), width=1, style=QtCore.Qt.DashLine)
data_snr = perf_reader.perf_snr_reader(_filename)
data_ber = perf_reader.perf_ber_reader(_filename)
data_fer = perf_reader.perf_fer_reader(_filename)
self.class_var.clearPlots()
self.class_var.clear()
self.class_var.plot(x=data_snr, y=data_ber, pen=pen1, symbol="x", name="BER plot")
self.class_var.plot(x=data_snr, y=data_fer, pen=pen2, symbol="x", name="FER plot")
self.pColor = self.pColor + 1
return False
return QTreeView.edit(self, index, trigger, event)
开发者ID:bonben，项目名称:Plotter4FECs，代码行数:25，代码来源:r_viewer.py
示例17: plot
def plot(self, Rs=None, Vg=0):
pg.setConfigOption('background', 'w')
pg.setConfigOption('foreground', 'k')
# Generate plot
plt = pg.plot(title=self.__class__.__name__, clear=True)
plt.setYRange(0, self.IDSS_MAX)
plt.setXRange(self.VP_MAX, 0)
plt.showGrid(True, True, 1.0)
plt.setLabel('left', "Id (mA)")
plt.setLabel('bottom', "Vgs (V)")
(x, y) = self.id_max_points()
plt.plot(x, y, pen=pg.mkPen('g', width=3))
(x, y) = self.id_min_points()
plt.plot(x, y, pen=pg.mkPen('b', width=3))
if Rs is not None:
(x, y) = self.vg_intercept(Rs, Vg)
plt.plot(x, y, pen=pg.mkPen('r', width=3))
# Display plot
QtGui.QApplication.instance().exec_()
pg.exit()
开发者ID:devttys0，项目名称:EE，代码行数:25，代码来源:jfet.py
示例18: __init__
def __init__(self, viewBox, side, pxs=512):
self.showed = False
self.vb = viewBox
self.side = side # side is 128 or 82, the grid size
self.pxs = pxs
pen = pg.mkPen(color=(255, 255, 0), width=1,
style=QtCore.Qt.SolidLine, antialias=True)
pen2 = pg.mkPen(color=(255, 255, 0), width=0.75,
style=QtCore.Qt.DotLine, antialias=True)
self.rectT = QtGui.QGraphicsRectItem()
self.rectT.setPen(pen)
self.rectR = QtGui.QGraphicsRectItem()
self.rectR.setPen(pen)
self.sqrT = QtGui.QGraphicsRectItem()
self.sqrT.setPen(pen2)
self.sqrR = QtGui.QGraphicsRectItem()
self.sqrR.setPen(pen2)
self.yLine = pg.InfiniteLine(pen=pen2)
self.xLine = pg.InfiniteLine(pen=pen2, angle=0)
self.xLineR = pg.InfiniteLine(pen=pen2, angle=0)
self.setDimensions()
开发者ID:fedebarabas，项目名称:tormenta，代码行数:25，代码来源:viewbox_tools.py
示例19: draw_spectrum_analyzer
def draw_spectrum_analyzer(all_frames, thresh_frames):
time.sleep(1) # Wait just one second
pw = pg.plot(title="Spectrum Analyzer") # Window title
pg.setConfigOptions(antialias=True) # Enable antialias for better resolution
pw.win.resize(800, 300) # Define window size
pw.win.move(540 * SCREEN_WIDTH / 1920, 500 * SCREEN_HEIGHT / 1080) # Define window position
while True: # Loop over the frames of the audio / data chunks
data = ''.join(all_frames[-1:]) # Get only the last frame of all frames
data = numpy.fromstring(data, 'int16') # Binary string to numpy int16 data format
pw.setMouseEnabled(y=False) # Disable mouse
pw.setYRange(0,1000) # Set Y range of graph
pw.setXRange(-(RATE/16), (RATE/16), padding=0) # Set X range of graph relative to Bit Rate
pwAxis = pw.getAxis("bottom") # Get bottom axis
pwAxis.setLabel("Frequency [Hz]") # Set bottom axis label
f, Pxx = HearingPerception.find_frequency(data) # Call find frequency function
f = f.tolist() # Numpy array to list
Pxx = (numpy.absolute(Pxx)).tolist() # Numpy array to list
try: # Try this block
if thresh_frames[-1:][0] == EMPTY_CHUNK: # If last thresh frame is equal to EMPTY CHUNK
pw.plot(x=f,y=Pxx, clear=True, pen=pg.mkPen('w', width=1.0, style=QtCore.Qt.SolidLine)) # Then plot with white pen
else: # If last thresh frame is not equal to EMPTY CHUNK
pw.plot(x=f,y=Pxx, clear=True, pen=pg.mkPen('y', width=1.0, style=QtCore.Qt.SolidLine)) # Then plot with yellow pen
except IndexError: # If we are getting an IndexError because of this -> thresh_frames[-1:][0]
pw.plot(x=f,y=Pxx, clear=True, pen=pg.mkPen('w', width=1.0, style=QtCore.Qt.SolidLine)) # Then plot with white pen
pg.QtGui.QApplication.processEvents() # ???
time.sleep(0.05) # Wait a few miliseconds
开发者ID:Unmukt，项目名称:Cerebrum，代码行数:26，代码来源:perception.py
示例20: test_init_spots
def test_init_spots():
plot = pg.PlotWidget()
# set view range equal to its bounding rect.
# This causes plots to look the same regardless of pxMode.
plot.setRange(rect=plot.boundingRect())
spots = [
{'x': 0, 'y': 1},
{'pos': (1, 2), 'pen': None, 'brush': None, 'data': 'zzz'},
]
s = pg.ScatterPlotItem(spots=spots)
# Check we can display without errors
plot.addItem(s)
app.processEvents()
plot.clear()
# check data is correct
spots = s.points()
defPen = pg.mkPen(pg.getConfigOption('foreground'))
assert spots[0].pos().x() == 0
assert spots[0].pos().y() == 1
assert spots[0].pen() == defPen
assert spots[0].data() is None
assert spots[1].pos().x() == 1
assert spots[1].pos().y() == 2
assert spots[1].pen() == pg.mkPen(None)
assert spots[1].brush() == pg.mkBrush(None)
assert spots[1].data() == 'zzz'
开发者ID:andrewpaulreeves，项目名称:soapy，代码行数:31，代码来源:test_ScatterPlotItem.py
注：本文中的pyqtgraph.mkPen函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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