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Update histogramlut example to allow rgb mode

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This commit is contained in:
Luke Campagnola 2017-09-26 08:50:31 -07:00
parent bde358ffaf
commit 6e22524ac2
1 changed files with 13 additions and 5 deletions
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18
examples/HistogramLUT.py
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@ -28,19 +28,27 @@ v = pg.GraphicsView()
vb = pg.ViewBox() vb = pg.ViewBox()
vb.setAspectLocked() vb.setAspectLocked()
v.setCentralItem(vb) v.setCentralItem(vb)
l.addWidget(v, 0, 0) l.addWidget(v, 0, 0, 3, 1)
w = pg.HistogramLUTWidget() w = pg.HistogramLUTWidget()
l.addWidget(w, 0, 1) l.addWidget(w, 0, 1)
data = pg.gaussianFilter(np.random.normal(size=(256, 256)), (20, 20)) monoRadio = QtGui.QRadioButton('mono')
rgbaRadio = QtGui.QRadioButton('rgba')
l.addWidget(monoRadio, 1, 1)
l.addWidget(rgbaRadio, 2, 1)
monoRadio.setChecked(True)
def setLevelMode():
mode = 'mono' if monoRadio.isChecked() else 'rgba'
w.setLevelMode(mode)
monoRadio.toggled.connect(setLevelMode)
data = pg.gaussianFilter(np.random.normal(size=(256, 256, 3)), (20, 20, 0))
for i in range(32): for i in range(32):
for j in range(32): for j in range(32):
data[i*8, j*8] += .1 data[i*8, j*8] += .1
img = pg.ImageItem(data) img = pg.ImageItem(data)
#data2 = np.zeros((2,) + data.shape + (2,))
#data2[0,:,:,0] = data ## make non-contiguous array for testing purposes
#img = pg.ImageItem(data2[0,:,:,0])
vb.addItem(img) vb.addItem(img)
vb.autoRange() vb.autoRange()