The QtiPlot Handbook
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# 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

Icon | Command | Key | Description
--- | --- | --- | ---
| Add Layer | Alt-L | Adds a new layer to the active plot window.
| Add Empty Inset Layer |  | Adds an empty inset layer to the active graph window.
| Add Inset Layer With Curves |  | Adds an inset layer to the active graph window that contains copies of any curves in the active plot layer.
| Arrange Layers | Shift-A | Opens a dialog for rearranging all layers of the active graph window.
| Automatic Layout |  | Automatically rearranges all layers of the active graph window.
| Extract to Layers |  | Extracts datasets (curves) from the active layer onto separate layers.
| Extract to Graphs |  | Extracts all layers in the active graph window to separate graphs.
| Add Error Bars... | Ctrl-B | Adds error bars to a curve on the active plot layer.
| Add/Remove Curves... | Alt-C | Adds curves to, or removes curves from, the active plot window.
| Add Function... | Ctrl-Alt-F | Adds a curve based on a function to the active plot layer.
| New Legend | Ctrl-L | Adds a new legend to the active plot layer.
| Rescale To Show All | Ctrl-Shift-R | Rescales 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 Reader | Ctrl-D | Switches the data display into Data Reader mode.
| Select Data Range | Alt-S | Switches the active plot layer into Select Data Range mode.
| Screen Reader |  | Switches the active plot layer into Screen Reader mode.
| Draw Data Points |  | Adds new data points on the active plot layer.
| Move Data points | Ctrl-Alt-M | Allows drag-mode moving of data points on the active plot layer.
| Remove Bad Data Points | Alt-B | Allows removal of data points from the active plot layer.
| Remove Bad Data Points |  | Drags a selected curve around on plot layer.
| Add Equation | Alt-Q | Adds a new Tex formatted equation on the active plot layer.
| Add Text | Alt-T | Adds a new text element on the active plot layer.
| Draw Arrow | Ctrl-Alt-A | Adds a new arrow on the active plot layer.
| Draw Line | Ctrl-Alt-L | Adds a new line on the active plot layer.
| Add Rectangle | Ctrl-Alt-R | Adds a new rectangle on the active plot layer.
| Add Ellipse | Ctrl-Alt-E | Adds a new ellipse (circle) on the active plot layer.
| Add Time Stamp | Ctrl-Alt-T | Adds a time/date label on the active plot layer.
| Add Image | Alt-I | Inserts a new image into the active plot layer.
| Move to Top |  | Moves the selected item to the top of the layer's z-order.
| Move to Bottom |  | Moves the selected item to the bottom of the layer's z-order.

Table 4-4. Plot Toolbar Zoom Commands

Icon | Command | Key | Description
--- | --- | --- | ---
| 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 in | Ctrl-+ | Switches the active plot layer into zoom mode.
| Zoom out | Ctrl-- | Zooms the active plot layer out one step in the zoom history.

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