def test_getArrayRegion(transpose=False):
pr = pg.PolyLineROI([[0, 0], [27, 0], [0, 28]], closed=True)
pr.setPos(1, 1)
rois = [
(pg.ROI([1, 1], [27, 28], pen='y'), 'baseroi'),
(pg.RectROI([1, 1], [27, 28], pen='y'), 'rectroi'),
(pg.EllipseROI([1, 1], [27, 28], pen='y'), 'ellipseroi'),
(pr, 'polylineroi'),
]
for roi, name in rois:
# For some ROIs, resize should not be used.
testResize = not isinstance(roi, pg.PolyLineROI)
origMode = pg.getConfigOption('imageAxisOrder')
try:
if transpose:
pg.setConfigOptions(imageAxisOrder='row-major')
check_getArrayRegion(roi,
'roi/' + name,
testResize,
transpose=True)
else:
pg.setConfigOptions(imageAxisOrder='col-major')
check_getArrayRegion(roi, 'roi/' + name, testResize)
finally:
pg.setConfigOptions(imageAxisOrder=origMode)
def test_ImageItem_axisorder():
# All image tests pass again using the opposite axis order
origMode = pg.getConfigOption('imageAxisOrder')
altMode = 'row-major' if origMode == 'col-major' else 'col-major'
pg.setConfigOptions(imageAxisOrder=altMode)
try:
test_ImageItem(transpose=True)
finally:
pg.setConfigOptions(imageAxisOrder=origMode)
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'