def __init__(self, image=None, **kargs):
"""
See :func:`setImage <pyqtgraph.ImageItem.setImage>` for all allowed initialization arguments.
"""
GraphicsObject.__init__(self)
#self.pixmapItem = QtGui.QGraphicsPixmapItem(self)
#self.qimage = QtGui.QImage()
#self._pixmap = None
self.image = None ## original image data
self.qimage = None ## rendered image for display
#self.clipMask = None
self.paintMode = None
#self.useWeave = True
self.levels = None ## [min, max] or [[redMin, redMax], ...]
self.lut = None
#self.clipLevel = None
self.drawKernel = None
self.border = None
if image is not None:
self.setImage(image, **kargs)
else:
self.setOpts(**kargs)
def __init__(self, *args, **kargs):
"""
Forwards all arguments to :func:`setData <pyqtgraph.PlotCurveItem.setData>`.
Some extra arguments are accepted as well:
============== =======================================================
**Arguments:**
parent The parent GraphicsObject (optional)
clickable If True, the item will emit sigClicked when it is
clicked on. Defaults to False.
============== =======================================================
"""
GraphicsObject.__init__(self, kargs.get('parent', None))
self.clear()
self.path = None
self.fillPath = None
self.exportOpts = False
self.antialias = False
## this is disastrous for performance.
#self.setCacheMode(QtGui.QGraphicsItem.DeviceCoordinateCache)
self.metaData = {}
self.opts = {
'pen': fn.mkPen('w'),
'shadowPen': None,
'fillLevel': None,
'brush': None,
}
self.setClickable(kargs.get('clickable', False))
self.setData(*args, **kargs)
def __init__(self, y=None, x=None, fillLevel=None, copy=False, pen=None, shadowPen=None, brush=None, parent=None, clickable=False):
GraphicsObject.__init__(self, parent)
self.clear()
self.path = None
self.fillPath = None
self.exportOpts = False
self.antialias = False
if y is not None:
self.updateData(y, x)
## this is disastrous for performance.
#self.setCacheMode(QtGui.QGraphicsItem.DeviceCoordinateCache)
self.metaData = {}
self.opts = {
#'spectrumMode': False,
#'logMode': [False, False],
#'downsample': False,
#'alphaHint': 1.0,
#'alphaMode': False,
'pen': 'w',
'shadowPen': None,
'fillLevel': fillLevel,
'brush': brush,
}
self.setPen(pen)
self.setShadowPen(shadowPen)
self.setFillLevel(fillLevel)
self.setBrush(brush)
self.setClickable(clickable)
def __init__(self, image=None, **kargs):
"""
See :func:`setImage <pyqtgraph.ImageItem.setImage>` for all allowed initialization arguments.
"""
GraphicsObject.__init__(self)
#self.pixmapItem = QtGui.QGraphicsPixmapItem(self)
#self.qimage = QtGui.QImage()
#self._pixmap = None
self.image = None ## original image data
self.qimage = None ## rendered image for display
#self.clipMask = None
self.paintMode = None
#self.useWeave = True
self.levels = None ## [min, max] or [[redMin, redMax], ...]
self.lut = None
#self.clipLevel = None
self.drawKernel = None
self.border = None
if image is not None:
self.setImage(image, **kargs)
else:
self.setOpts(**kargs)
def __init__(self, *args, **kargs):
"""
Forwards all arguments to :func:`setData <pyqtgraph.PlotCurveItem.setData>`.
Some extra arguments are accepted as well:
============== =======================================================
**Arguments:**
parent The parent GraphicsObject (optional)
clickable If True, the item will emit sigClicked when it is
clicked on. Defaults to False.
============== =======================================================
"""
GraphicsObject.__init__(self, kargs.get('parent', None))
self.clear()
self.path = None
self.fillPath = None
self.exportOpts = False
self.antialias = False
## this is disastrous for performance.
#self.setCacheMode(QtGui.QGraphicsItem.DeviceCoordinateCache)
self.metaData = {}
self.opts = {
'pen': fn.mkPen('w'),
'shadowPen': None,
'fillLevel': None,
'brush': None,
}
self.setClickable(kargs.get('clickable', False))
self.setData(*args, **kargs)
def __init__(self, imageFile, width=None, parentItem=None):
self.enabled = True
GraphicsObject.__init__(self)
self.setImageFile(imageFile)
if width is not None:
s = float(width) / self.pixmap.width()
self.scale(s, s)
if parentItem is not None:
self.setParentItem(parentItem)
self.setOpacity(0.7)
def __init__(self, y=None, x=None, fillLevel=None, copy=False, pen=None, shadowPen=None, brush=None, parent=None, clickable=False):
"""
============== =======================================================
**Arguments:**
x, y (numpy arrays) Data to show
pen Pen to use when drawing. Any single argument accepted by
:func:`mkPen <pyqtgraph.mkPen>` is allowed.
shadowPen Pen for drawing behind the primary pen. Usually this
is used to emphasize the curve by providing a
high-contrast border. Any single argument accepted by
:func:`mkPen <pyqtgraph.mkPen>` is allowed.
fillLevel (float or None) Fill the area 'under' the curve to
*fillLevel*
brush QBrush to use when filling. Any single argument accepted
by :func:`mkBrush <pyqtgraph.mkBrush>` is allowed.
clickable If True, the item will emit sigClicked when it is
clicked on.
============== =======================================================
"""
GraphicsObject.__init__(self, parent)
self.clear()
self.path = None
self.fillPath = None
self.exportOpts = False
self.antialias = False
if y is not None:
self.updateData(y, x)
## this is disastrous for performance.
#self.setCacheMode(QtGui.QGraphicsItem.DeviceCoordinateCache)
self.metaData = {}
self.opts = {
#'spectrumMode': False,
#'logMode': [False, False],
#'downsample': False,
#'alphaHint': 1.0,
#'alphaMode': False,
'pen': 'w',
'shadowPen': None,
'fillLevel': fillLevel,
'brush': brush,
}
self.setPen(pen)
self.setShadowPen(shadowPen)
self.setFillLevel(fillLevel)
self.setBrush(brush)
self.setClickable(clickable)
def itemChange(self, change, value):
ret = GraphicsObject.itemChange(self, change, value)
if change == self.ItemParentHasChanged or change == self.ItemSceneHasChanged:
#print "caught parent/scene change:", self.parentItem(), self.scene()
self.updateView()
elif change == self.ItemScenePositionHasChanged:
self.setNewBounds()
return ret
def __init__(self, bounds=None, parent=None):
"""
Initialization Arguments:
#view: The view box whose bounds will be used as a reference vor this item's bounds
bounds: QRectF with coordinates relative to view box. The default is QRectF(0,0,1,1),
which means the item will have the same bounds as the view.
"""
GraphicsObject.__init__(self, parent)
self.setFlag(self.ItemSendsScenePositionChanges)
self._connectedView = None
if bounds is None:
self._bounds = QtCore.QRectF(0, 0, 1, 1)
else:
self._bounds = bounds
self._boundingRect = None
self.updateView()
def __init__(self, view, pos, color, movable=True, scale=10, pen='w'):
self.movable = movable
self.moving = False
self.view = weakref.ref(view)
self.scale = scale
self.color = color
self.pen = fn.mkPen(pen)
self.hoverPen = fn.mkPen(255,255,0)
self.currentPen = self.pen
self.pg = QtGui.QPainterPath(QtCore.QPointF(0,0))
self.pg.lineTo(QtCore.QPointF(-scale/3**0.5, scale))
self.pg.lineTo(QtCore.QPointF(scale/3**0.5, scale))
self.pg.closeSubpath()
GraphicsObject.__init__(self)
self.setPos(pos[0], pos[1])
if self.movable:
self.setZValue(1)
else:
self.setZValue(0)
def __init__(self, curve, index=0, pos=None, rotate=True):
"""Position can be set either as an index referring to the sample number or
the position 0.0 - 1.0
If *rotate* is True, then the item rotates to match the tangent of the curve.
"""
GraphicsObject.__init__(self)
#QObjectWorkaround.__init__(self)
self._rotate = rotate
self.curve = weakref.ref(curve)
self.setParentItem(curve)
self.setProperty('position', 0.0)
self.setProperty('index', 0)
if hasattr(self, 'ItemHasNoContents'):
self.setFlags(self.flags() | self.ItemHasNoContents)
if pos is not None:
self.setPos(pos)
else:
self.setIndex(index)
def __init__(self, curve, index=0, pos=None, rotate=True):
"""Position can be set either as an index referring to the sample number or
the position 0.0 - 1.0
If *rotate* is True, then the item rotates to match the tangent of the curve.
"""
GraphicsObject.__init__(self)
#QObjectWorkaround.__init__(self)
self._rotate = rotate
self.curve = weakref.ref(curve)
self.setParentItem(curve)
self.setProperty('position', 0.0)
self.setProperty('index', 0)
if hasattr(self, 'ItemHasNoContents'):
self.setFlags(self.flags() | self.ItemHasNoContents)
if pos is not None:
self.setPos(pos)
else:
self.setIndex(index)
def __init__(self, *args, **kargs):
"""
Accepts the same arguments as setData()
"""
GraphicsObject.__init__(self)
self.data = None
self.spots = []
self.bounds = [None, None]
self.opts = {}
self.spotsValid = False
self._spotPixmap = None
self.setPen(200,200,200)
self.setBrush(100,100,150)
self.setSymbol('o')
self.setSize(7)
self.setPxMode(True)
self.setIdentical(False)
self.setData(*args, **kargs)
def __init__(self, *args, **kargs):
"""
Accepts the same arguments as setData()
"""
GraphicsObject.__init__(self)
self.data = None
self.spots = []
self.bounds = [None, None]
self.opts = {}
self.spotsValid = False
self._spotPixmap = None
self.setPen(200,200,200)
self.setBrush(100,100,150)
self.setSymbol('o')
self.setSize(7)
self.setPxMode(True)
self.setIdentical(False)
self.setData(*args, **kargs)
def __init__(self, size, pxMode, brush, pen, data=None, symbol=None, image=None, index=None):
GraphicsObject.__init__(self)
self.pxMode = pxMode
try:
symbol = int(symbol)
except:
pass
if symbol is None:
symbol = 'o' ## circle by default
elif isinstance(symbol, int): ## allow symbols specified by integer for easy iteration
symbol = ['o', 's', 't', 'd', '+'][symbol]
####print 'SpotItem symbol: ', symbol
self.data = data
self.pen = pen
self.brush = brush
self.size = size
self.index = index
self.symbol = symbol
#s2 = size/2.
self.path = Symbols[symbol]
if pxMode:
## pre-render an image of the spot and display this rather than redrawing every time.
if image is None:
self.pixmap = self.makeSpotImage(size, pen, brush, symbol)
else:
self.pixmap = image ## image is already provided (probably shared with other spots)
self.setFlags(self.flags() | self.ItemIgnoresTransformations | self.ItemHasNoContents)
self.pi = QtGui.QGraphicsPixmapItem(self.pixmap, self)
self.pi.setPos(-0.5*size, -0.5*size)
else:
self.scale(size, size)
def __init__(self, *args):
GraphicsObject.__init__(self, *args)
if hasattr(self, "ItemHasNoContents"):
self.setFlag(self.ItemHasNoContents)
def __init__(self, size, pxMode, brush, pen, data=None, symbol=None, image=None, index=None):
GraphicsObject.__init__(self)
self.pxMode = pxMode
try:
symbol = int(symbol)
except:
pass
if symbol is None:
symbol = 'o' ## circle by default
elif isinstance(symbol, int): ## allow symbols specified by integer for easy iteration
symbol = ['o', 's', 't', 'd', '+'][symbol]
####print 'SpotItem symbol: ', symbol
self.data = data
self.pen = pen
self.brush = brush
self.size = size
self.index = index
self.symbol = symbol
#s2 = size/2.
self.path = QtGui.QPainterPath()
if symbol == 'o':
self.path.addEllipse(QtCore.QRectF(-0.5, -0.5, 1, 1))
elif symbol == 's':
self.path.addRect(QtCore.QRectF(-0.5, -0.5, 1, 1))
elif symbol == 't' or symbol == '^':
self.path.moveTo(-0.5, -0.5)
self.path.lineTo(0, 0.5)
self.path.lineTo(0.5, -0.5)
self.path.closeSubpath()
#self.path.connectPath(self.path)
elif symbol == 'd':
self.path.moveTo(0., -0.5)
self.path.lineTo(-0.4, 0.)
self.path.lineTo(0, 0.5)
self.path.lineTo(0.4, 0)
self.path.closeSubpath()
#self.path.connectPath(self.path)
elif symbol == '+':
self.path.moveTo(-0.5, -0.01)
self.path.lineTo(-0.5, 0.01)
self.path.lineTo(-0.01, 0.01)
self.path.lineTo(-0.01, 0.5)
self.path.lineTo(0.01, 0.5)
self.path.lineTo(0.01, 0.01)
self.path.lineTo(0.5, 0.01)
self.path.lineTo(0.5, -0.01)
self.path.lineTo(0.01, -0.01)
self.path.lineTo(0.01, -0.5)
self.path.lineTo(-0.01, -0.5)
self.path.lineTo(-0.01, -0.01)
self.path.closeSubpath()
#self.path.connectPath(self.path)
#elif symbol == 'x':
else:
raise Exception("Unknown spot symbol '%s' (type=%s)" % (str(symbol), str(type(symbol))))
#self.path.addEllipse(QtCore.QRectF(-0.5, -0.5, 1, 1))
if pxMode:
## pre-render an image of the spot and display this rather than redrawing every time.
if image is None:
self.pixmap = self.makeSpotImage(size, pen, brush, symbol)
else:
self.pixmap = image ## image is already provided (probably shared with other spots)
self.setFlags(self.flags() | self.ItemIgnoresTransformations | self.ItemHasNoContents)
self.pi = QtGui.QGraphicsPixmapItem(self.pixmap, self)
self.pi.setPos(-0.5*size, -0.5*size)
else:
self.scale(size, size)
def setPos(self, *args):
GraphicsObject.setPos(self, *args)
self.setNewBounds()
def __init__(self, *args, **kargs):
"""
There are many different ways to create a PlotDataItem:
**Data initialization arguments:** (x,y data only)
=================================== ======================================
PlotDataItem(xValues, yValues) x and y values may be any sequence (including ndarray) of real numbers
PlotDataItem(yValues) y values only -- x will be automatically set to range(len(y))
PlotDataItem(x=xValues, y=yValues) x and y given by keyword arguments
PlotDataItem(ndarray(Nx2)) numpy array with shape (N, 2) where x=data[:,0] and y=data[:,1]
=================================== ======================================
**Data initialization arguments:** (x,y data AND may include spot style)
=========================== =========================================
PlotDataItem(recarray) numpy array with dtype=[('x', float), ('y', float), ...]
PlotDataItem(list-of-dicts) [{'x': x, 'y': y, ...}, ...]
PlotDataItem(dict-of-lists) {'x': [...], 'y': [...], ...}
PlotDataItem(MetaArray) 1D array of Y values with X sepecified as axis values
OR 2D array with a column 'y' and extra columns as needed.
=========================== =========================================
**Line style keyword arguments:**
========== ================================================
pen pen to use for drawing line between points.
Default is solid grey, 1px width. Use None to disable line drawing.
May be any single argument accepted by :func:`mkPen() <pyqtgraph.mkPen>`
shadowPen pen for secondary line to draw behind the primary line. disabled by default.
May be any single argument accepted by :func:`mkPen() <pyqtgraph.mkPen>`
fillLevel fill the area between the curve and fillLevel
fillBrush fill to use when fillLevel is specified
May be any single argument accepted by :func:`mkBrush() <pyqtgraph.mkBrush>`
========== ================================================
**Point style keyword arguments:**
============ ================================================
symbol (str) symbol to use for drawing points OR list of symbols, one per point. Default is no symbol.
options are o, s, t, d, +
symbolPen outline pen for drawing points OR list of pens, one per point
May be any single argument accepted by :func:`mkPen() <pyqtgraph.mkPen>`
symbolBrush brush for filling points OR list of brushes, one per point
May be any single argument accepted by :func:`mkBrush() <pyqtgraph.mkBrush>`
symbolSize diameter of symbols OR list of diameters
pxMode (bool) If True, then symbolSize is specified in pixels. If False, then symbolSize is
specified in data coordinates.
============ ================================================
**Optimization keyword arguments:**
========== ================================================
identical spots are all identical. The spot image will be rendered only once and repeated for every point
decimate (int) decimate data
========== ================================================
**Meta-info keyword arguments:**
========== ================================================
name name of dataset. This would appear in a legend
========== ================================================
"""
GraphicsObject.__init__(self)
self.setFlag(self.ItemHasNoContents)
self.xData = None
self.yData = None
self.xDisp = None
self.yDisp = None
#self.curves = []
#self.scatters = []
self.curve = PlotCurveItem()
self.scatter = ScatterPlotItem()
self.curve.setParentItem(self)
self.scatter.setParentItem(self)
self.curve.sigClicked.connect(self.curveClicked)
self.scatter.sigClicked.connect(self.scatterClicked)
#self.clear()
self.opts = {
'fftMode': False,
'logMode': [False, False],
'downsample': False,
'alphaHint': 1.0,
'alphaMode': False,
'pen': (200,200,200),
'shadowPen': None,
'fillLevel': None,
'fillBrush': None,
'symbol': None,
'symbolSize': 10,
'symbolPen': (200,200,200),
'symbolBrush': (50, 50, 150),
'identical': False,
'data': None,
}
self.setData(*args, **kargs)
def __init__(self,
size,
pxMode,
brush,
pen,
data=None,
symbol=None,
image=None,
index=None):
GraphicsObject.__init__(self)
self.pxMode = pxMode
try:
symbol = int(symbol)
except:
pass
if symbol is None:
symbol = 'o' ## circle by default
elif isinstance(
symbol,
int): ## allow symbols specified by integer for easy iteration
symbol = ['o', 's', 't', 'd', '+'][symbol]
####print 'SpotItem symbol: ', symbol
self.data = data
self.pen = pen
self.brush = brush
self.size = size
self.index = index
self.symbol = symbol
#s2 = size/2.
self.path = QtGui.QPainterPath()
if symbol == 'o':
self.path.addEllipse(QtCore.QRectF(-0.5, -0.5, 1, 1))
elif symbol == 's':
self.path.addRect(QtCore.QRectF(-0.5, -0.5, 1, 1))
elif symbol == 't' or symbol == '^':
self.path.moveTo(-0.5, -0.5)
self.path.lineTo(0, 0.5)
self.path.lineTo(0.5, -0.5)
self.path.closeSubpath()
#self.path.connectPath(self.path)
elif symbol == 'd':
self.path.moveTo(0., -0.5)
self.path.lineTo(-0.4, 0.)
self.path.lineTo(0, 0.5)
self.path.lineTo(0.4, 0)
self.path.closeSubpath()
#self.path.connectPath(self.path)
elif symbol == '+':
self.path.moveTo(-0.5, -0.01)
self.path.lineTo(-0.5, 0.01)
self.path.lineTo(-0.01, 0.01)
self.path.lineTo(-0.01, 0.5)
self.path.lineTo(0.01, 0.5)
self.path.lineTo(0.01, 0.01)
self.path.lineTo(0.5, 0.01)
self.path.lineTo(0.5, -0.01)
self.path.lineTo(0.01, -0.01)
self.path.lineTo(0.01, -0.5)
self.path.lineTo(-0.01, -0.5)
self.path.lineTo(-0.01, -0.01)
self.path.closeSubpath()
#self.path.connectPath(self.path)
#elif symbol == 'x':
else:
raise Exception("Unknown spot symbol '%s' (type=%s)" %
(str(symbol), str(type(symbol))))
#self.path.addEllipse(QtCore.QRectF(-0.5, -0.5, 1, 1))
if pxMode:
## pre-render an image of the spot and display this rather than redrawing every time.
if image is None:
self.pixmap = self.makeSpotImage(size, pen, brush, symbol)
else:
self.pixmap = image ## image is already provided (probably shared with other spots)
self.setFlags(self.flags() | self.ItemIgnoresTransformations
| self.ItemHasNoContents)
self.pi = QtGui.QGraphicsPixmapItem(self.pixmap, self)
self.pi.setPos(-0.5 * size, -0.5 * size)
else:
self.scale(size, size)
def __init__(self, *args, **kargs):
"""
There are many different ways to create a PlotDataItem:
**Data initialization arguments:** (x,y data only)
=================================== ======================================
PlotDataItem(xValues, yValues) x and y values may be any sequence (including ndarray) of real numbers
PlotDataItem(yValues) y values only -- x will be automatically set to range(len(y))
PlotDataItem(x=xValues, y=yValues) x and y given by keyword arguments
PlotDataItem(ndarray(Nx2)) numpy array with shape (N, 2) where x=data[:,0] and y=data[:,1]
=================================== ======================================
**Data initialization arguments:** (x,y data AND may include spot style)
=========================== =========================================
PlotDataItem(recarray) numpy array with dtype=[('x', float), ('y', float), ...]
PlotDataItem(list-of-dicts) [{'x': x, 'y': y, ...}, ...]
PlotDataItem(dict-of-lists) {'x': [...], 'y': [...], ...}
PlotDataItem(MetaArray) 1D array of Y values with X sepecified as axis values
OR 2D array with a column 'y' and extra columns as needed.
=========================== =========================================
**Line style keyword arguments:**
========== ================================================
pen pen to use for drawing line between points.
Default is solid grey, 1px width. Use None to disable line drawing.
May be any single argument accepted by :func:`mkPen() <pyqtgraph.mkPen>`
shadowPen pen for secondary line to draw behind the primary line. disabled by default.
May be any single argument accepted by :func:`mkPen() <pyqtgraph.mkPen>`
fillLevel fill the area between the curve and fillLevel
fillBrush fill to use when fillLevel is specified
May be any single argument accepted by :func:`mkBrush() <pyqtgraph.mkBrush>`
========== ================================================
**Point style keyword arguments:**
============ ================================================
symbol (str) symbol to use for drawing points OR list of symbols, one per point. Default is no symbol.
options are o, s, t, d, +
symbolPen outline pen for drawing points OR list of pens, one per point
May be any single argument accepted by :func:`mkPen() <pyqtgraph.mkPen>`
symbolBrush brush for filling points OR list of brushes, one per point
May be any single argument accepted by :func:`mkBrush() <pyqtgraph.mkBrush>`
symbolSize diameter of symbols OR list of diameters
pxMode (bool) If True, then symbolSize is specified in pixels. If False, then symbolSize is
specified in data coordinates.
============ ================================================
**Optimization keyword arguments:**
========== ================================================
identical spots are all identical. The spot image will be rendered only once and repeated for every point
decimate (int) decimate data
========== ================================================
**Meta-info keyword arguments:**
========== ================================================
name name of dataset. This would appear in a legend
========== ================================================
"""
GraphicsObject.__init__(self)
self.setFlag(self.ItemHasNoContents)
self.xData = None
self.yData = None
self.xDisp = None
self.yDisp = None
#self.curves = []
#self.scatters = []
self.curve = PlotCurveItem()
self.scatter = ScatterPlotItem()
self.curve.setParentItem(self)
self.scatter.setParentItem(self)
self.curve.sigClicked.connect(self.curveClicked)
self.scatter.sigClicked.connect(self.scatterClicked)
#self.clear()
self.opts = {
'fftMode': False,
'logMode': [False, False],
'downsample': False,
'alphaHint': 1.0,
'alphaMode': False,
'pen': (200, 200, 200),
'shadowPen': None,
'fillLevel': None,
'fillBrush': None,
'symbol': None,
'symbolSize': 10,
'symbolPen': (200, 200, 200),
'symbolBrush': (50, 50, 150),
'identical': False,
'data': None,
}
self.setData(*args, **kargs)
