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Removed some debugging code, moved examples

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This commit is contained in:
Luke Campagnola 2010-03-22 02:21:56 -04:00
parent 3d84aefbc4
commit 11897061d1
9 changed files with 109 additions and 64 deletions
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10
GraphicsView.py
View File

@ -234,11 +234,11 @@ class GraphicsView(QtGui.QGraphicsView):
def mousePressEvent(self, ev):
QtGui.QGraphicsView.mousePressEvent(self, ev)
print "Press over:"
for i in self.items(ev.pos()):
print i.zValue(), int(i.acceptedMouseButtons()), i, i.scenePos()
print "Event accepted:", ev.isAccepted()
print "Grabber:", self.scene().mouseGrabberItem()
#print "Press over:"
#for i in self.items(ev.pos()):
#print i.zValue(), int(i.acceptedMouseButtons()), i, i.scenePos()
#print "Event accepted:", ev.isAccepted()
#print "Grabber:", self.scene().mouseGrabberItem()
if not self.mouseEnabled:
return
self.lastMousePos = Point(ev.pos())

2
MultiPlotItem.py
View File

@ -13,7 +13,7 @@ try:
from metaarray import *
HAVE_METAARRAY = True
except:
raise
#raise
HAVE_METAARRAY = False

49
examples/test_ImageItem.py Normal file
View File

@ -0,0 +1,49 @@
# -*- coding: utf-8 -*-
## Add path to library (just for examples; you do not need this)
import sys, os
sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..'))
from pyqtgraph.GraphicsView import *
from pyqtgraph.graphicsItems import *
from numpy import random
from PyQt4 import QtCore, QtGui
from scipy.ndimage import *
app = QtGui.QApplication([])
## Create window with GraphicsView widget
win = QtGui.QMainWindow()
view = GraphicsView()
win.setCentralWidget(view)
win.show()
## Allow mouse scale/pan
view.enableMouse()
## ..But lock the aspect ratio
view.setAspectLocked(True)
## Create image item
img = ImageItem()
view.scene().addItem(img)
## Set initial view bounds
view.setRange(QtCore.QRectF(0, 0, 200, 200))
def updateData():
global img
## Create random image
data = random.random((200, 200))
## Display the data
img.updateImage(data)
# update image data every 20ms (or so)
t = QtCore.QTimer()
QtCore.QObject.connect(t, QtCore.SIGNAL('timeout()'), updateData)
t.start(20)
app.exec_()

15
test_ImageView.py → examples/test_ImageView.py
View File

@ -1,21 +1,30 @@
# -*- coding: utf-8 -*-
## Add path to library (just for examples; you do not need this)
import sys, os
sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..'))
from ImageView import *
from pyqtgraph.ImageView import *
from numpy import random
from PyQt4 import QtCore, QtGui
from scipy.ndimage import *
app = QtGui.QApplication([])
## Create window with ImageView widget
win = QtGui.QMainWindow()
imv = ImageView()
win.setCentralWidget(imv)
win.show()
## Create random 3D data set
img = gaussian_filter(random.random((200, 200)), (5, 5)) * 5
data = random.random((100, 200, 200))
data += img
for i in range(data.shape[0]):
data[i] += exp(-(2.*i)/data.shape[0])
data += 10
imv.setImage(data)
## Display the data
imv.setImage(data)
app.exec_()

15
test_MultiPlotWidget.py → examples/test_MultiPlotWidget.py
View File

@ -1,12 +1,19 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
## Add path to library (just for examples; you do not need this)
import sys, os
sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..'))
from scipy import random
from numpy import linspace
from PyQt4 import QtGui, QtCore
from MultiPlotWidget import *
from metaarray import *
from pyqtgraph.MultiPlotWidget import *
try:
from metaarray import *
except:
print "MultiPlot is only used with MetaArray for now (and you do not have the metaarray module)"
exit()
app = QtGui.QApplication([])
mw = QtGui.QMainWindow()
pw = MultiPlotWidget()
@ -15,3 +22,5 @@ mw.show()
ma = MetaArray(random.random((3, 1000)), info=[{'name': 'Signal', 'cols': [{'name': 'Col1'}, {'name': 'Col2'}, {'name': 'Col3'}]}, {'name': 'Time', 'vals': linspace(0., 1., 1000)}])
pw.plot(ma)
app.exec_()

9
test_PlotWidget.py → examples/test_PlotWidget.py
View File

@ -1,10 +1,13 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
## Add path to library (just for examples; you do not need this)
import sys, os
sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..'))
from scipy import random
from PyQt4 import QtGui, QtCore
from PlotWidget import *
from graphicsItems import *
from pyqtgraph.PlotWidget import *
from pyqtgraph.graphicsItems import *
app = QtGui.QApplication([])
@ -77,4 +80,4 @@ for i in range(0, 5):
yd, xd = rand(10000)
pw2.plot(yd*(j+1), xd, params={'iter': i, 'val': j})
#app.exec_()
app.exec_()

17
test_ROItypes.py → examples/test_ROItypes.py
View File

@ -1,13 +1,17 @@
#!/usr/bin/python -i
# -*- coding: utf-8 -*-
## Add path to library (just for examples; you do not need this)
import sys, os
sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..'))
from scipy import zeros
from graphicsWindows import *
from graphicsItems import *
from widgets import *
from PlotWidget import *
from pyqtgraph.graphicsWindows import *
from pyqtgraph.graphicsItems import *
from pyqtgraph.widgets import *
from pyqtgraph.PlotWidget import *
from PyQt4 import QtCore, QtGui
qapp = QtGui.QApplication([])
app = QtGui.QApplication([])
#i = PlotWindow(array([0,1,2,1,2]), parent=None, title='')
@ -85,4 +89,5 @@ mlroi.connect(QtCore.SIGNAL('regionChanged'), lambda: updateImg(mlroi))
v.setRange(QtCore.QRect(-2, -2, 220, 220))
w.show()
w.show()
app.exec_()

52
test_viewBox.py → examples/test_viewBox.py
View File

@ -1,11 +1,13 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
## Add path to library (just for examples; you do not need this)
import sys, os
sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..'))
from scipy import random
from PyQt4 import QtGui, QtCore
from GraphicsView import *
from graphicsItems import *
from pyqtgraph.GraphicsView import *
from pyqtgraph.graphicsItems import *
app = QtGui.QApplication([])
mw = QtGui.QMainWindow()
@ -19,7 +21,6 @@ mw.resize(800, 600)
gv = GraphicsView(cw)
gv.enableMouse(False)
#w1 = QtGui.QGraphicsWidget()
l = QtGui.QGraphicsGridLayout()
l.setHorizontalSpacing(0)
l.setVerticalSpacing(0)
@ -27,46 +28,23 @@ l.setVerticalSpacing(0)
vb = ViewBox()
p1 = PlotCurveItem()
#gv.scene().addItem(vb)
vb.addItem(p1)
vl.addWidget(gv)
rect = QtGui.QGraphicsRectItem(QtCore.QRectF(0, 0, 1, 1))
rect.setPen(QtGui.QPen(QtGui.QColor(100, 200, 100)))
vb.addItem(rect)
l.addItem(vb, 0, 2)
l.addItem(vb, 0, 1)
gv.centralWidget.setLayout(l)
xScale = ScaleItem(orientation='bottom', linkView=vb)
l.addItem(xScale, 1, 2)
l.addItem(xScale, 1, 1)
yScale = ScaleItem(orientation='left', linkView=vb)
l.addItem(yScale, 0, 1)
l.addItem(yScale, 0, 0)
xLabel = LabelItem(u"<span style='color: #ff0000; font-weight: bold'>X</span> <i>Axis</i> <span style='font-size: 6pt'>(μV)</span>", html=True, color='CCC')
l.setRowFixedHeight(2, 20)
l.setRowFixedHeight(1, 40)
l.addItem(xLabel, 2, 2)
yLabel = LabelItem("Y Axis", color=QtGui.QColor(200, 200, 200))
yLabel.setAngle(90)
l.setColumnFixedWidth(0, 20)
l.setColumnFixedWidth(1, 60)
l.addItem(yLabel, 0, 0)
#grid = GridItem(gv)
#vb.addItem(grid)
#gv.scene().addItem(w1)
#w1.setGeometry(0, 0, 1, 1)
#c1 = Qwt.QwtPlotCurve()
#c1.setData(range(len(data)), data)
#c1.attach(p1)
#c2 = PlotCurve()
#c2.setData([1,2,3,4,5,6,7,8], [1,2,10,4,3,2,4,1])
#c2.attach(p2)
xScale.setLabel(text=u"<span style='color: #ff0000; font-weight: bold'>X</span> <i>Axis</i>", units="s")
yScale.setLabel('Y Axis', units='V')
def rand(n):
data = random.random(n)
@ -74,23 +52,14 @@ def rand(n):
data[int(n*0.18)] += 2
data[int(n*0.1):int(n*0.13)] *= 5
data[int(n*0.18)] *= 20
#c1.setData(range(len(data)), data)
return data, arange(n, n+len(data)) / float(n)
def updateData():
yd, xd = rand(10000)
p1.updateData(yd, x=xd)
#vb.setRange(p1.boundingRect())
#p1.plot(yd, x=xd, clear=True)
yd, xd = rand(10000)
#p2.plot(yd * 1000, x=xd)
#for i in [1,2]:
#for j in range(3):
#yd, xd = rand(1000)
#p3.plot(yd * 100000 * i, x=xd, params={'repetitions': j, 'scale': i})
updateData()
vb.autoRange()
@ -98,3 +67,4 @@ t = QtCore.QTimer()
QtCore.QObject.connect(t, QtCore.SIGNAL('timeout()'), updateData)
t.start(50)
app.exec_()

4
widgets.py
View File

@ -631,14 +631,14 @@ class Handle(QtGui.QGraphicsItem):
return self.bounds
def mousePressEvent(self, ev):
print "handle press"
#print "handle press"
if ev.button() != QtCore.Qt.LeftButton:
ev.ignore()
return
self.cursorOffset = self.scenePos() - ev.scenePos()
for r in self.roi:
r[0].pointPressEvent(r[1], ev)
print " accepted."
#print " accepted."
ev.accept()
def mouseReleaseEvent(self, ev):