How can I set the interval for date or time tick marks in Grapher?

If your graph has an axis with date/time formats, you will likely want to set the tick mark interval spacing using a date/time interval. This will create uniform labels every year, quarter, month, day, or hour. To change the interval for your date/time axis:
  1. Create your graph as normal, using the Graphs | Create command.
  2. Click on the date/time axis to select it.
  3. In the Property Manager, click on the Tick Marks tab.
  4. Click the + next to Major Ticks section, if needed.
  5. Check the box next to the Use date/time spacing option.
  6. Click the Every Year button next to Date/time spacing.
  7. Set the interval for the major tick marks. This can be 1 Year, 1 Month, 1 Day, etc. The 1 indicates how many of the variable is displayed. So, 1 Year indicates one tick mark every year. 2 Year indicates 2 tick marks every year. As an example, if you want a quarterly tick mark, you would use 3 Month.
  8. Click OK and the major tick marks are now showing the desired number of labels.

display tick marks at any date/time interval
Display major tick marks at specific intervals, such as quarterly.


Updated September 30, 2016

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