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from argparse import Namespace
from collections import OrderedDict
from time import perf_counter
from pyqtgraph.Qt import QtCore
# Avoid clash with module name
examples_ = OrderedDict([
('Command-line usage', 'CLIexample.py'),
('Basic Plotting', Namespace(filename='Plotting.py', recommended=True)),
('ImageView', Namespace(filename='ImageView.py', recommended=True)),
('ParameterTree', Namespace(filename='parametertree.py', recommended=True)),
('Plotting Datasets', 'MultiDataPlot.py'),
('Parameter-Function Interaction', 'InteractiveParameter.py'),
('Crosshair / Mouse interaction', 'crosshair.py'),
('Data Slicing', 'DataSlicing.py'),
('Plot Customization', 'customPlot.py'),
('Timestamps on x axis', 'DateAxisItem.py'),
('Image Analysis', Namespace(filename='imageAnalysis.py', recommended=True)),
('Matrix Display', 'MatrixDisplayExample.py'),
('ViewBox Features', Namespace(filename='ViewBoxFeatures.py', recommended=True)),
('Dock widgets', 'dockarea.py'),
('Console', 'ConsoleWidget.py'),
('Console - Exception inspection', 'console_exception_inspection.py'),
('Rich Jupyter Console', 'jupyter_console_example.py'),
('Histograms', 'histogram.py'),
('Beeswarm plot', 'beeswarm.py'),
('Symbols', 'Symbols.py'),
('Auto-range', 'PlotAutoRange.py'),
('Remote Plotting', 'RemoteSpeedTest.py'),
('Scrolling plots', 'scrollingPlots.py'),
('HDF5 big data', 'hdf5.py'),
('Glow', 'glow.py'),
('Demos', OrderedDict([
('Optics', 'optics_demos.py'),
('Special relativity', 'relativity_demo.py'),
('Verlet chain', 'verlet_chain_demo.py'),
('Koch Fractal', 'fractal.py'),
])),
('Colors', OrderedDict([
('Color Maps', 'colorMaps.py'),
('Color Map Linearization', 'colorMapsLinearized.py'),
('Color Gradient Plots', 'ColorGradientPlots.py')
])),
('GraphicsItems', OrderedDict([
('Scatter Plot', 'ScatterPlot.py'),
#('PlotItem', 'PlotItem.py'),
('InfiniteLine', 'InfiniteLine.py'),
('IsocurveItem', 'isocurve.py'),
('GraphItem', 'GraphItem.py'),
('ErrorBarItem', 'ErrorBarItem.py'),
('FillBetweenItem', 'FillBetweenItem.py'),
('ImageItem - video', 'ImageItem.py'),
('ImageItem - draw', 'Draw.py'),
('ColorBarItem','ColorBarItem.py'),
('Non-uniform Image', 'NonUniformImage.py'),
('Region-of-Interest', 'ROIExamples.py'),
('Bar Graph', 'BarGraphItem.py'),
('GraphicsLayout', 'GraphicsLayout.py'),
('LegendItem', 'Legend.py'),
('Text Item', 'text.py'),
('Linked Views', 'linkedViews.py'),
('Arrow', 'Arrow.py'),
('ViewBox', 'ViewBoxFeatures.py'),
('AxisItem - label overlap', 'AxisItem_label_overlap.py'),
('Custom Graphics', 'customGraphicsItem.py'),
('Labeled Graph', 'CustomGraphItem.py'),
('PColorMeshItem', 'PColorMeshItem.py'),
])),
('Benchmarks', OrderedDict([
('Video speed test', 'VideoSpeedTest.py'),
('Line Plot update', 'PlotSpeedTest.py'),
('Scatter Plot update', 'ScatterPlotSpeedTest.py'),
('Multiple plots', 'MultiPlotSpeedTest.py'),
])),
('3D Graphics', OrderedDict([
('Volumetric', 'GLVolumeItem.py'),
('Isosurface', 'GLIsosurface.py'),
('Surface Plot', 'GLSurfacePlot.py'),
('Scatter Plot', 'GLScatterPlotItem.py'),
('Shaders', 'GLshaders.py'),
('Line Plot', 'GLLinePlotItem.py'),
('Mesh', 'GLMeshItem.py'),
('Image', 'GLImageItem.py'),
('Text', 'GLTextItem.py'),
('BarGraph', 'GLBarGraphItem.py'),
('Painter', 'GLPainterItem.py'),
('Gradient Legend', 'GLGradientLegendItem.py')
])),
('Widgets', OrderedDict([
('PlotWidget', 'PlotWidget.py'),
('SpinBox', 'SpinBox.py'),
('ConsoleWidget', 'ConsoleWidget.py'),
('Histogram / lookup table', 'HistogramLUT.py'),
('TreeWidget', 'TreeWidget.py'),
('ScatterPlotWidget', 'ScatterPlotWidget.py'),
('DataTreeWidget', 'DataTreeWidget.py'),
('GradientWidget', 'GradientWidget.py'),
('TableWidget', 'TableWidget.py'),
('ColorButton', 'ColorButton.py'),
#('CheckTable', '../widgets/CheckTable.py'),
#('VerticalLabel', '../widgets/VerticalLabel.py'),
('JoystickButton', 'JoystickButton.py'),
])),
('Flowcharts', 'Flowchart.py'),
('Custom Flowchart Nodes', 'FlowchartCustomNode.py'),
])
# don't care about ordering
# but actually from Python 3.7, dict is ordered
others = dict([
('logAxis', 'logAxis.py'),
('PanningPlot', 'PanningPlot.py'),
('MultiplePlotAxes', 'MultiplePlotAxes.py'),
('ROItypes', 'ROItypes.py'),
('ScaleBar', 'ScaleBar.py'),
('ViewBox', 'ViewBox.py'),
('GradientEditor', 'GradientEditor.py'),
('GLViewWidget', 'GLViewWidget.py'),
('DiffTreeWidget', 'DiffTreeWidget.py'),
('RemoteGraphicsView', 'RemoteGraphicsView.py'),
('contextMenu', 'contextMenu.py'),
('designerExample', 'designerExample.py'),
('DateAxisItem_QtDesigner', 'DateAxisItem_QtDesigner.py'),
('GraphicsScene', 'GraphicsScene.py'),
('MouseSelection', 'MouseSelection.py'),
])
# examples that are subsumed into other examples
trivial = dict([
('SimplePlot', 'SimplePlot.py'), # Plotting.py
('LogPlotTest', 'LogPlotTest.py'), # Plotting.py
('ViewLimits', 'ViewLimits.py'), # ViewBoxFeatures.py
])
# examples that are not suitable for CI testing
skiptest = dict([
('ProgressDialog', 'ProgressDialog.py'), # modal dialog
])
class FrameCounter(QtCore.QObject):
sigFpsUpdate = QtCore.Signal(object)
def __init__(self, interval=1000):
super().__init__()
self.count = 0
self.last_update = 0
self.interval = interval
def update(self):
self.count += 1
if self.last_update == 0:
self.last_update = perf_counter()
self.startTimer(self.interval)
def timerEvent(self, evt):
now = perf_counter()
elapsed = now - self.last_update
fps = self.count / elapsed
self.last_update = now
self.count = 0
self.sigFpsUpdate.emit(fps)
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