def testAddGetScatter(self):
plot = PlotWidget(backend='none')
# No curve
scatter = plot._getItem(kind="scatter")
self.assertIsNone(scatter) # No curve
plot.addScatter(x=(0, 1), y=(0, 1), value=(0, 1), legend='scatter 0')
plot.addScatter(x=(0, 1), y=(0, 1), value=(0, 1), legend='scatter 1')
plot.addScatter(x=(0, 1), y=(0, 1), value=(0, 1), legend='scatter 2')
plot._setActiveItem('scatter', 'scatter 0')
# Active scatter
active = plot._getActiveItem(kind='scatter')
self.assertEqual(active.getLegend(), 'scatter 0')
# check default values
self.assertAlmostEqual(active.getSymbolSize(), active._DEFAULT_SYMBOL_SIZE)
self.assertEqual(active.getSymbol(), "o")
self.assertAlmostEqual(active.getAlpha(), 1.0)
# modify parameters
active.setSymbolSize(20.5)
active.setSymbol("d")
active.setAlpha(0.777)
s0 = plot.getScatter("scatter 0")
self.assertAlmostEqual(s0.getSymbolSize(), 20.5)
self.assertEqual(s0.getSymbol(), "d")
self.assertAlmostEqual(s0.getAlpha(), 0.777)
scatter1 = plot._getItem(kind='scatter', legend='scatter 1')
self.assertEqual(scatter1.getLegend(), 'scatter 1')
def testAddGetScatter(self):
plot = PlotWidget(backend='none')
# No curve
scatter = plot._getItem(kind="scatter")
self.assertIsNone(scatter) # No curve
plot.addScatter(x=(0, 1), y=(0, 1), value=(0, 1), legend='scatter 0')
plot.addScatter(x=(0, 1), y=(0, 1), value=(0, 1), legend='scatter 1')
plot.addScatter(x=(0, 1), y=(0, 1), value=(0, 1), legend='scatter 2')
plot._setActiveItem('scatter', 'scatter 0')
# Active scatter
active = plot._getActiveItem(kind='scatter')
self.assertEqual(active.getName(), 'scatter 0')
# check default values
self.assertAlmostEqual(active.getSymbolSize(), active._DEFAULT_SYMBOL_SIZE)
self.assertEqual(active.getSymbol(), "o")
self.assertAlmostEqual(active.getAlpha(), 1.0)
# modify parameters
active.setSymbolSize(20.5)
active.setSymbol("d")
active.setAlpha(0.777)
s0 = plot.getScatter("scatter 0")
self.assertAlmostEqual(s0.getSymbolSize(), 20.5)
self.assertEqual(s0.getSymbol(), "d")
self.assertAlmostEqual(s0.getAlpha(), 0.777)
scatter1 = plot._getItem(kind='scatter', legend='scatter 1')
self.assertEqual(scatter1.getName(), 'scatter 1')
def testGetAllScatters(self):
"""PlotWidget.getAllImages test"""
plot = PlotWidget(backend='none')
items = plot.getItems()
self.assertEqual(len(items), 0)
plot.addScatter(x=(0, 1), y=(0, 1), value=(0, 1), legend='scatter 0')
plot.addScatter(x=(0, 1), y=(0, 1), value=(0, 1), legend='scatter 1')
plot.addScatter(x=(0, 1), y=(0, 1), value=(0, 1), legend='scatter 2')
items = plot.getItems()
self.assertEqual(len(items), 3)
self.assertEqual(items[0].getName(), 'scatter 0')
self.assertEqual(items[1].getName(), 'scatter 1')
self.assertEqual(items[2].getName(), 'scatter 2')
def testGetAllScatters(self):
"""PlotWidget.getAllImages test"""
plot = PlotWidget(backend='none')
scatters = plot._getItems(kind='scatter')
self.assertEqual(len(scatters), 0)
plot.addScatter(x=(0, 1), y=(0, 1), value=(0, 1), legend='scatter 0')
plot.addScatter(x=(0, 1), y=(0, 1), value=(0, 1), legend='scatter 1')
plot.addScatter(x=(0, 1), y=(0, 1), value=(0, 1), legend='scatter 2')
scatters = plot._getItems(kind='scatter')
self.assertEqual(len(scatters), 3)
self.assertEqual(scatters[0].getLegend(), 'scatter 0')
self.assertEqual(scatters[2].getLegend(), 'scatter 2')
scatters = plot._getItems(kind='scatter', just_legend=True)
self.assertEqual(len(scatters), 3)
self.assertEqual(list(scatters), ['scatter 0', 'scatter 1', 'scatter 2'])
def testGetAllScatters(self):
"""PlotWidget.getAllImages test"""
plot = PlotWidget(backend='none')
scatters = plot._getItems(kind='scatter')
self.assertEqual(len(scatters), 0)
plot.addScatter(x=(0, 1), y=(0, 1), value=(0, 1), legend='scatter 0')
plot.addScatter(x=(0, 1), y=(0, 1), value=(0, 1), legend='scatter 1')
plot.addScatter(x=(0, 1), y=(0, 1), value=(0, 1), legend='scatter 2')
scatters = plot._getItems(kind='scatter')
self.assertEqual(len(scatters), 3)
self.assertEqual(scatters[0].getLegend(), 'scatter 0')
self.assertEqual(scatters[2].getLegend(), 'scatter 2')
scatters = plot._getItems(kind='scatter', just_legend=True)
self.assertEqual(len(scatters), 3)
self.assertEqual(list(scatters),
['scatter 0', 'scatter 1', 'scatter 2'])
associated with a :class:`~silx.gui.plot.PlotWidget`.
"""
__authors__ = ["P. Knobel"]
__license__ = "MIT"
__date__ = "28/06/2017"
from silx.gui import qt
from silx.gui.plot.PlotWidget import PlotWidget
from silx.gui.plot.ItemsSelectionDialog import ItemsSelectionDialog
app = qt.QApplication([])
pw = PlotWidget()
pw.addCurve([0, 1, 2], [3, 2, 1], "A curve")
pw.addScatter([0, 1, 2.5], [3, 2.5, 0.9], [8, 9, 72], "A scatter")
pw.addHistogram([0, 1, 2.5], [0, 1, 2, 3], "A histogram")
pw.addImage([[0, 1, 2], [3, 2, 1]], "An image")
pw.show()
isd = ItemsSelectionDialog(plot=pw)
isd.setItemsSelectionMode(qt.QTableWidget.ExtendedSelection)
result = isd.exec_()
if result:
for item in isd.getSelectedItems():
print(item.getName(), type(item))
else:
print("Selection cancelled")
app.exec_()
associated with a :class:`~silx.gui.plot.PlotWidget`.
"""
__authors__ = ["P. Knobel"]
__license__ = "MIT"
__date__ = "28/06/2017"
from silx.gui import qt
from silx.gui.plot.PlotWidget import PlotWidget
from silx.gui.plot.ItemsSelectionDialog import ItemsSelectionDialog
app = qt.QApplication([])
pw = PlotWidget()
pw.addCurve([0, 1, 2], [3, 2, 1], "A curve")
pw.addScatter([0, 1, 2.5], [3, 2.5, 0.9], [8, 9, 72], "A scatter")
pw.addHistogram([0, 1, 2.5], [0, 1, 2, 3], "A histogram")
pw.addImage([[0, 1, 2], [3, 2, 1]], "An image")
pw.show()
isd = ItemsSelectionDialog(plot=pw)
isd.setItemsSelectionMode(qt.QTableWidget.ExtendedSelection)
result = isd.exec_()
if result:
for item in isd.getSelectedItems():
print(item.getLegend(), type(item))
else:
print("Selection cancelled")
app.exec_()
