def __init__(self, orientation='bottom', allowAdd=True, **kargs):
"""
============= =================================================================================
**Arguments**
orientation Set the orientation of the gradient. Options are: 'left', 'right'
'top', and 'bottom'.
allowAdd Specifies whether ticks can be added to the item by the user.
tickPen Default is white. Specifies the color of the outline of the ticks.
Can be any of the valid arguments for :func:`mkPen <pyqtgraph.mkPen>`
============= =================================================================================
"""
## public
GraphicsWidget.__init__(self)
self.orientation = orientation
self.length = 100
self.tickSize = 15
self.ticks = {}
self.maxDim = 20
self.allowAdd = allowAdd
if 'tickPen' in kargs:
self.tickPen = fn.mkPen(kargs['tickPen'])
else:
self.tickPen = fn.mkPen('w')
self.orientations = {
'left': (90, 1, 1),
'right': (90, 1, 1),
'top': (0, 1, -1),
'bottom': (0, 1, 1)
}
self.setOrientation(orientation)
def show(self):
if self.orientation in ["left", "right"]:
self.setWidth()
else:
self.setHeight()
GraphicsWidget.show(self)
def show(self):
if self.orientation in ['left', 'right']:
self.setWidth()
else:
self.setHeight()
GraphicsWidget.show(self)
def __init__(self, orientation, pen=None, linkView=None, parent=None, maxTickLength=-5, showValues=True):
"""
============== ===============================================================
**Arguments:**
orientation one of 'left', 'right', 'top', or 'bottom'
maxTickLength (px) maximum length of ticks to draw. Negative values draw
into the plot, positive values draw outward.
linkView (ViewBox) causes the range of values displayed in the axis
to be linked to the visible range of a ViewBox.
showValues (bool) Whether to display values adjacent to ticks
pen (QPen) Pen used when drawing ticks.
============== ===============================================================
"""
GraphicsWidget.__init__(self, parent)
self.label = QtGui.QGraphicsTextItem(self)
self.showValues = showValues
self.picture = None
self.orientation = orientation
if orientation not in ['left', 'right', 'top', 'bottom']:
raise Exception("Orientation argument must be one of 'left', 'right', 'top', or 'bottom'.")
if orientation in ['left', 'right']:
#self.setMinimumWidth(25)
#self.setSizePolicy(QtGui.QSizePolicy(
#QtGui.QSizePolicy.Minimum,
#QtGui.QSizePolicy.Expanding
#))
self.label.rotate(-90)
#else:
#self.setMinimumHeight(50)
#self.setSizePolicy(QtGui.QSizePolicy(
#QtGui.QSizePolicy.Expanding,
#QtGui.QSizePolicy.Minimum
#))
#self.drawLabel = False
self.labelText = ''
self.labelUnits = ''
self.labelUnitPrefix=''
self.labelStyle = {'color': '#CCC'}
self.logMode = False
self.textHeight = 18
self.tickLength = maxTickLength
self.scale = 1.0
self.autoScale = True
self.setRange(0, 1)
if pen is None:
pen = QtGui.QPen(QtGui.QColor(100, 100, 100))
self.setPen(pen)
self._linkedView = None
if linkView is not None:
self.linkToView(linkView)
self.showLabel(False)
self.grid = False
def __init__(self, text=' ', parent=None, angle=0, **args):
GraphicsWidget.__init__(self, parent)
self.item = QtGui.QGraphicsTextItem(self)
self.opts = {'color': 'CCC', 'justify': 'center'}
self.opts.update(args)
self.sizeHint = {}
self.setText(text)
self.setAngle(angle)
def __init__(self, orientation, pen=None, linkView=None, parent=None, maxTickLength=-5, showValues=True):
"""
GraphicsItem showing a single plot axis with ticks, values, and label.
Can be configured to fit on any side of a plot, and can automatically synchronize its displayed scale with ViewBox items.
Ticks can be extended to make a grid.
If maxTickLength is negative, ticks point into the plot.
"""
GraphicsWidget.__init__(self, parent)
self.label = QtGui.QGraphicsTextItem(self)
self.showValues = showValues
self.picture = None
self.orientation = orientation
if orientation not in ['left', 'right', 'top', 'bottom']:
raise Exception("Orientation argument must be one of 'left', 'right', 'top', or 'bottom'.")
if orientation in ['left', 'right']:
#self.setMinimumWidth(25)
#self.setSizePolicy(QtGui.QSizePolicy(
#QtGui.QSizePolicy.Minimum,
#QtGui.QSizePolicy.Expanding
#))
self.label.rotate(-90)
#else:
#self.setMinimumHeight(50)
#self.setSizePolicy(QtGui.QSizePolicy(
#QtGui.QSizePolicy.Expanding,
#QtGui.QSizePolicy.Minimum
#))
#self.drawLabel = False
self.labelText = ''
self.labelUnits = ''
self.labelUnitPrefix=''
self.labelStyle = {'color': '#CCC'}
self.logMode = False
self.textHeight = 18
self.tickLength = maxTickLength
self.scale = 1.0
self.autoScale = True
self.setRange(0, 1)
if pen is None:
pen = QtGui.QPen(QtGui.QColor(100, 100, 100))
self.setPen(pen)
self._linkedView = None
if linkView is not None:
self.linkToView(linkView)
self.showLabel(False)
self.grid = False
def __init__(self, text=' ', parent=None, angle=0, **args):
GraphicsWidget.__init__(self, parent)
self.item = QtGui.QGraphicsTextItem(self)
self.opts = {
'color': 'CCC',
'justify': 'center'
}
self.opts.update(args)
self.sizeHint = {}
self.setText(text)
self.setAngle(angle)
def __init__(self, parent=None, border=None):
GraphicsWidget.__init__(self, parent)
if border is True:
border = (100,100,100)
self.border = border
self.layout = QtGui.QGraphicsGridLayout()
self.setLayout(self.layout)
self.items = {}
self.rows = {}
self.currentRow = 0
self.currentCol = 0
def __init__(self, parent=None, border=None):
GraphicsWidget.__init__(self, parent)
if border is True:
border = (100, 100, 100)
self.border = border
self.layout = QtGui.QGraphicsGridLayout()
self.setLayout(self.layout)
self.items = {}
self.rows = {}
self.currentRow = 0
self.currentCol = 0
def __init__(self, image=None, fillHistogram=True):
"""
If *image* (ImageItem) is provided, then the control will be automatically linked to the image and changes to the control will be immediately reflected in the image's appearance.
By default, the histogram is rendered with a fill. For performance, set *fillHistogram* = False.
"""
GraphicsWidget.__init__(self)
self.lut = None
self.imageItem = None
self.layout = QtGui.QGraphicsGridLayout()
self.setLayout(self.layout)
self.layout.setContentsMargins(1, 1, 1, 1)
self.layout.setSpacing(0)
self.vb = ViewBox()
self.vb.setMaximumWidth(152)
self.vb.setMinimumWidth(52)
self.vb.setMouseEnabled(x=False, y=True)
self.gradient = GradientEditorItem()
self.gradient.setOrientation('right')
self.gradient.loadPreset('grey')
self.region = LinearRegionItem([0, 1], LinearRegionItem.Horizontal)
self.region.setZValue(1000)
self.vb.addItem(self.region)
self.axis = AxisItem('left',
linkView=self.vb,
maxTickLength=-10,
showValues=False)
self.layout.addItem(self.axis, 0, 0)
self.layout.addItem(self.vb, 0, 1)
self.layout.addItem(self.gradient, 0, 2)
self.range = None
self.gradient.setFlag(self.gradient.ItemStacksBehindParent)
self.vb.setFlag(self.gradient.ItemStacksBehindParent)
#self.grid = GridItem()
#self.vb.addItem(self.grid)
self.gradient.sigGradientChanged.connect(self.gradientChanged)
self.region.sigRegionChanged.connect(self.regionChanging)
self.region.sigRegionChangeFinished.connect(self.regionChanged)
self.vb.sigRangeChanged.connect(self.viewRangeChanged)
self.plot = PlotDataItem()
self.plot.rotate(90)
self.fillHistogram(fillHistogram)
self.vb.addItem(self.plot)
self.autoHistogramRange()
if image is not None:
self.setImageItem(image)
def __init__(self, image=None, fillHistogram=True):
"""
If *image* (ImageItem) is provided, then the control will be automatically linked to the image and changes to the control will be immediately reflected in the image's appearance.
By default, the histogram is rendered with a fill. For performance, set *fillHistogram* = False.
"""
GraphicsWidget.__init__(self)
self.lut = None
self.imageItem = None
self.layout = QtGui.QGraphicsGridLayout()
self.setLayout(self.layout)
self.layout.setContentsMargins(1,1,1,1)
self.layout.setSpacing(0)
self.vb = ViewBox()
self.vb.setMaximumWidth(152)
self.vb.setMinimumWidth(52)
self.vb.setMouseEnabled(x=False, y=True)
self.gradient = GradientEditorItem()
self.gradient.setOrientation('right')
self.gradient.loadPreset('grey')
self.region = LinearRegionItem([0, 1], LinearRegionItem.Horizontal)
self.region.setZValue(1000)
self.vb.addItem(self.region)
self.axis = AxisItem('left', linkView=self.vb, maxTickLength=-10, showValues=False)
self.layout.addItem(self.axis, 0, 0)
self.layout.addItem(self.vb, 0, 1)
self.layout.addItem(self.gradient, 0, 2)
self.range = None
self.gradient.setFlag(self.gradient.ItemStacksBehindParent)
self.vb.setFlag(self.gradient.ItemStacksBehindParent)
#self.grid = GridItem()
#self.vb.addItem(self.grid)
self.gradient.sigGradientChanged.connect(self.gradientChanged)
self.region.sigRegionChanged.connect(self.regionChanging)
self.region.sigRegionChangeFinished.connect(self.regionChanged)
self.vb.sigRangeChanged.connect(self.viewRangeChanged)
self.plot = PlotDataItem()
self.plot.rotate(90)
self.fillHistogram(fillHistogram)
self.vb.addItem(self.plot)
self.autoHistogramRange()
if image is not None:
self.setImageItem(image)
def __init__(self, orientation='bottom', allowAdd=True, **kargs):
GraphicsWidget.__init__(self)
self.orientation = orientation
self.length = 100
self.tickSize = 15
self.ticks = {}
self.maxDim = 20
self.allowAdd = allowAdd
if 'tickPen' in kargs:
self.tickPen = fn.mkPen(kargs['tickPen'])
else:
self.tickPen = fn.mkPen('w')
self.orientations = {
'left': (90, 1, 1),
'right': (90, 1, 1),
'top': (0, 1, -1),
'bottom': (0, 1, 1)
}
self.setOrientation(orientation)
def hide(self):
if self.orientation in ["left", "right"]:
self.setWidth(0)
else:
self.setHeight(0)
GraphicsWidget.hide(self)
def hide(self):
if self.orientation in ['left', 'right']:
self.setWidth(0)
else:
self.setHeight(0)
GraphicsWidget.hide(self)
