Visual Guide to Projections and Traces

Adding an external projection to a 2-D plot is a 3-steps process. The first step is to open both documents. See how the 2-D plot remains at the forefront.

bi- and mono-dimensional

Now choose the command Format > Overlay...

Overlay Manager menu Format

The last step is to check the box
near the name of the 1-D document.

This dialog (Overlay Manager) also shows the parameters to amplify the projections.
In the normal practice you never set these parameters directly.
It is simpler to move the mouse near each projection and rotate the scroll wheel.

exotic projection Scale Dialog

If you prefer the projections on the other sides,
choose the command Format > Axes & Scales,
and check the options “on the Top” and “on the Left”.
You can find these options in the second panel.

Internal projections can be created with a script like this.

To remove (or increase) the gap between the 2-D plot and the projections, open the iNMR preferences, reach the second panel and change the parameter “Gap under the Projections”

preferences no gap


gap parameter


When no projection is visible you can display the internal traces. It is enough to create a single vertical mark (cmd-click) and/or a single horizontal mark (alt-click). When you finish moving one of these marks the plot is updated and the new trace appear.

This kind of traces is useful during phase correction.

You can also have live traces, though it is not as simple.

Live Traces

Tools menu

  First, choose the command Tools > Cross Peaks M.

When the new menu appears, choose the command “Edit This Menu”.

Create a tag (any name is good). Verify that your new tag appears into the menu after you close the dialog.

tag for the CPM


Cross Hair tool living traces

  The last step is to select the Cross-Hair tool.

  This tool is only available from the menu-bar.

  Move the mouse over the 2-D plot.

  You will see the two traces.

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