GraphicsLayout#

class pyqtgraph.GraphicsLayout( parent=None, border=None, )[source]#

Used for laying out GraphicsWidgets in a grid. This is usually created automatically as part of a GraphicsLayoutWidget.

__init__( parent=None, border=None, )[source]#

addItem( item, row=None, col=None, rowspan=1, colspan=1, )[source]#: Add an item to the layout and place it in the next available cell (or in the cell specified). The item must be an instance of a QGraphicsWidget subclass.

addLabel(

text=' ',

row=None,

col=None,

rowspan=1,

colspan=1,

**kargs,

)[source]#

Create a LabelItem with text and place it in the next available cell (or in the cell specified) All extra keyword arguments are passed to LabelItem.__init__ Returns the created item.

To create a vertical label, use angle = -90.

addLayout(

row=None,

col=None,

rowspan=1,

colspan=1,

**kargs,

)[source]#: Create an empty GraphicsLayout and place it in the next available cell (or in the cell specified) All extra keyword arguments are passed to GraphicsLayout.__init__ Returns the created item.

addPlot(

row=None,

col=None,

rowspan=1,

colspan=1,

**kargs,

)[source]#: Create a PlotItem and place it in the next available cell (or in the cell specified) All extra keyword arguments are passed to PlotItem.__init__ Returns the created item.

addViewBox(

row=None,

col=None,

rowspan=1,

colspan=1,

**kargs,

)[source]#: Create a ViewBox and place it in the next available cell (or in the cell specified) All extra keyword arguments are passed to ViewBox.__init__ Returns the created item.

clear()[source]#: Remove all items from the layout and set the current row and column to 0

getItem( row, col, )[source]#: Return the item in (row, col). If the cell is empty, return None.

itemIndex( item, )[source]#

Return the numerical index of GraphicsItem object passed in

Parameters:: item (QGraphicsLayoutItem) – Item to query the index position of
Returns:: Index of the item within the graphics layout
Return type:: int
Raises:: ValueError – Raised if item could not be found inside the GraphicsLayout instance.

nextCol(

*args,

**kargs,

)[source]#: Alias of nextColumn

nextColumn()[source]#: Advance to next available column (generally only for internal use–called by addItem)

nextRow()[source]#: Advance to next row for automatic item placement

removeItem( item, )[source]#: Remove item from the layout.

setBorder(

*args,

**kwds,

)[source]#

Set the pen used to draw border between cells.

See mkPen for arguments.