The Plot Toolbar

This toolbar is only active when a graph window is selected. It provides single-click access to the commands of the Graph menu and of the Data menu which are used for the modification of plots and the data points of the plots.

Figure 4-3. The QtiPlot Plot Toolbar

Table 4-3. Plot toolbar commands

IconCommandKeyDescription
Add LayerAlt-LAdds a new layer to the active plot window.
Add Empty Inset LayerAdds an empty inset layer to the active graph window.
Add Inset Layer With CurvesAdds an inset layer to the active graph window that contains copies of any curves in the active plot layer.
Arrange LayersShift-AOpens a dialog for rearranging all layers of the active graph window.
Automatic LayoutAutomatically rearranges all layers of the active graph window.
Extract to LayersExtracts datasets (curves) from the active layer onto separate layers.
Extract to GraphsExtracts all layers in the active graph window to separate graphs.
Add Error Bars...Ctrl-BAdds error bars to a curve on the active plot layer.
Add/Remove Curves...Alt-CAdds curves to, or removes curves from, the active plot window.
Add Function...Ctrl-Alt-FAdds a curve based on a function to the active plot layer.
New LegendCtrl-LAdds a new legend to the active plot layer.
Rescale To Show AllCtrl-Shift-RRescales the axes to show all data points.
Disable tools Reverts to normal pointer mode. Useful when you have selected another pointer mode on a plot layer, such as the data reader.
Zoom Commands Selects the last used zoom tool or selects a new one from a drop down list.
Data ReaderCtrl-DSwitches the data display into Data Reader mode.
Select Data RangeAlt-SSwitches the active plot layer into Select Data Range mode.
Screen Reader Switches the active plot layer into Screen Reader mode.
Draw Data PointsAdds new data points on the active plot layer.
Move Data pointsCtrl-Alt-MAllows drag-mode moving of data points on the active plot layer.
Remove Bad Data PointsAlt-BAllows removal of data points from the active plot layer.
Remove Bad Data PointsDrags a selected curve around on plot layer.
Add EquationAlt-QAdds a new Tex formatted equation on the active plot layer.
Add TextAlt-TAdds a new text element on the active plot layer.
Draw ArrowCtrl-Alt-AAdds a new arrow on the active plot layer.
Draw LineCtrl-Alt-LAdds a new line on the active plot layer.
Add RectangleCtrl-Alt-RAdds a new rectangle on the active plot layer.
Add EllipseCtrl-Alt-EAdds a new ellipse (circle) on the active plot layer.
Add Time StampCtrl-Alt-TAdds a time/date label on the active plot layer.
Add ImageAlt-IInserts a new image into the active plot layer.
Move to TopMoves the selected item to the top of the layer's z-order.
Move to BottomMoves the selected item to the bottom of the layer's z-order.

Table 4-4. Plot Toolbar Zoom Commands

IconCommandKeyDescription
Zoom In/Out and Drag Canvas Switches the active plot layer into dynamic zoom/drag mode.
Zoom/Drag Canvas Horizontally Switches the active plot layer into dynamic horizontal zoom/drag mode.
Zoom/Drag Canvas Vertically Switches the active plot layer into dynamic vertical zoom/drag mode.
Zoom inCtrl-+Switches the active plot layer into zoom mode.
Zoom outCtrl--Zooms the active plot layer out one step in the zoom history.