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A.4.12.1 Time Navigation

For general comments on plot navigation, see Appendix A.4.2.1. Additional configuration options are available in the Navigation tab of the Axes control.

The navigation actions for this window are:

Left drag
Pan. On the body of the plot this usually moves it around left/right. By default, vertical movement is inhibited since you don't normally want it for a time plot. To pan vertically, drag on the left of the Y axis. It is also possible to configure panning on the body of the plot to be in both directions using the Pan/Zoom Axes in the Navigation axis configuration tab.
Right drag (CTRL-drag)
Stretch zoom. On the body of the plot this usually stretches/squashes the plot centered on the horizontal position of the mouse. By default, vertical zooming is inhibited since you don't normally want it for a time plot. To zoom vertically, drag on the left of the Y axis. It is also possible to configure zooming on the body of the plot to be in both directions using the Pan/Zoom Axes in the Navigation axis configuration tab.
Wheel
Zoom. Spinning the mouse wheel forwards/backwards will zoom in/out around the mouse position, just like dragging with the right button up-and-right or down-and-left.
Left click
Select. If there is a plotted point near the cursor, it will plot a marker on it and activate it.

You can also manually fix the plot bounds using the Range tab of the Axes control.


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TOPCAT - Tool for OPerations on Catalogues And Tables
Starlink User Note253
TOPCAT web page: http://www.starlink.ac.uk/topcat/
Author email: m.b.taylor@bristol.ac.uk
Mailing list: topcat-user@bristol.ac.uk