A Schoeller plot is a series of line/scatter plots where the X values are the cation or anion measured in a sample and the Y values are the concentration of each ion. This plot type displays the relative concentrations of various anions and cations from multiple samples on a single graph.
Example of a Schoeller plot in Grapher.
Grapher can plot data in both rows and columns. Examples of Schoeller plot data in both layouts are shown below.
Example Schoeller data in rows
Example Schoeller data in columns
To create a schoeller plot in Grapher, complete the steps below:
- Click Home | New Graph | Basic | Line Plot select the data file and click Open.
- Select the plot in the Object Manager.
- Click the Plot tab in the Property Manager.
- If your data is in rows, check the box in the Data in rows field.
- Change the X variable to either Column number, Row number, or Sequence Number.
- Click the Create button to add the next row/column of data as a line plot. Continue until all plots are added.
- Click X Axis 1 in the Object Manager.
- Click the Labels tab in the Property Manager.
- Check the Show major tick labels box.
- Set the Label Source to From worksheet.
- Click in the Worksheet field and select your worksheet from the list.
- If your data is in rows, check the box next to Data in rows.
- In the Data variable field, select the same option chosen in step 5 above.
- Set the Label Variable to the appropriate row or column in your data.
- Change the line properties in one of two ways:
- All at once using a gradient using the Graph Tools | Plot Tools | Change Colors command. Once the Multi-Plot Color Gradient dialog is open, choose a new Gradient and/or change individual plot colors by double clicking on the fill color next to the plot name.
- Individually by clicking on each new line/scatter plot and changing the line Color on the Line tab in the Property Manager.
Updated March 2020
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