Bokeh plot tools are rendered, normally a toolbar appears on the right side of the figure. It contains a default set of tools. First of all, the position of the toolbar can be configured by the toolbar_location property in the figure() function. This property can take one of the following values −
- “above”
- “below”
- “left”
- “right”
- “None”
For example, the following statement will cause the toolbar to be displayed below the plot −
Fig = figure(toolbar_location = "below")
This toolbar can be configured according to the requirement by adding the required from various tools defined in bokeh. models module. For example −
Fig.add_tools(WheelZoomTool())
Bokeh PlotThe tools can be classified under the following categories −
- Pan/Drag Tools
- Click/Tap Tools
- Scroll/Pinch Tools
| Tool | Description | |
|---|---|---|
| BoxSelectToolName : ‘box_select’ | allows the user to define a rectangular selection region by left-dragging a mouse | |
| LassoSelectToolname: ‘lasso_select | allows the user to define an arbitrary region for selection by left-dragging a mouse | |
| PanToolname: ‘pan’, ‘xpan’, ‘ypan’, | allows the user to pan the plot by left-dragging a mouse | |
| TapToolname: ‘tap | allows the user to select at single points by clicking a left mouse button | |
| WheelZoomToolname: ‘wheel_zoom’, ‘xwheel_zoom’, ‘ywheel_zoom’ | zoom the plot in and out, centered on the current mouse location. | |
| WheelPanToolname: ‘xwheel_pan’, ‘ywheel_pan’ | translate the plot window along the specified dimension without changing the window’s aspect ratio. | |
| ResetToolname: ‘reset’ | restores the plot ranges to their original values. | |
| SaveToolname: ‘save’ | allows the user to save a PNG image of the plot. | |
| ZoomInToolname: ‘zoom_in’, ‘xzoom_in’, ‘yzoom_in’ | The zoom-in tool will increase the zoom of the plot in x, y, or both coordinates | |
| ZoomOutToolname: ‘zoom_out’, ‘xzoom_out’, ‘yzoom_out’ | The zoom-out tool will decrease the zoom of the plot in x, y, or both coordinates | |
| CrosshairToolname: ‘crosshair’ | draws a crosshair annotation over the plot, centered on the current mouse position. |
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