Double click on the bottom axis (on the line itself) to bring up a rather complicated dialog box: You may also wish to adjust the plot range. Let's now modify the graph a bit to produce mirrored axes and to label each axis. Select +/- wave for the Y Error Bars, and then select height_err from the Y+ menu. or head to the menu bar and select Graph | Modify Trace Appearance.Ĭhange the mode to Markers, select the dots from the popup menu to the right of the Size box, then click the Errors Bars. Either right-click (control-click) on a data point to pop up a contextual menu and select Modify height. We will now modify the trace to show the data with independent symbols instead of a connected line. Notice that the axes are labeled with the units you assigned for each data series. The resulting graph with the default formatting is shown below. Select height for the Y wave and position for the X wave, as shown in the figure below. Then click Do It.įrom the Windows menu, select Windows | New Graph. You can tell you have things right if the command box at the bottom of the window matches what is displayed in the figure. Select all three waves, then type “m” in the lower Units box, as shown in the figure below. From the Data menu select Data | Change Wave Scaling. Lastly, each of these values carries units of meters. You may rename them one at a time or both at once, if you enter the values in both columns before renaming them. Note that you will have to start two new columns and then rename the resulting waves, just as you did before. Enter “position” andĮnter the remaining values shown in the table below. Wave0 at the head of the column and select Rename wave0. Right-click (or control-click on Macintosh) on the name Position, since these values will represent The name wave0 is not very descriptive, so we'll change it to Igor will create a new “wave” called wave0 and enter the value you type into the first element of the wave (which is numbered 0). Type a value into the highlighted box of the table. (The command line is at the bottom of the window at the bottom of the screen.) or type edit into the command line and press return. If not, or if you need to make a new one, use the menu command Windows | New Table. When you start up Igor you will probably see an empty data table, such as shown at the right.
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