Plotting

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2D Plotting: Tasks

Plot Field vs. Field

To do 2D plotting, have at least one table open and then open a plotter with the Tools - Plot 2D (Ctrl+P) command.


On the plotter window, choose which table you will be plotting with and the rows you wish to plot. You can then choose which fields will be used for the X and Y axes. Note that only "plottable" fields can be used; for example, a String field could not be plotted. For fields that contain array values of a fixed dimension, you can choose which "slice" of the array you want to plot. Once the parameters have been chosen, there are two ways to plot: overplot or clear and plot. Overplot will add the given plot to any pre-existing plots whereas clear and plot will clear any previous plots. Note that overplotting means that all plots will be on the same scale, so you probably want to use similarly scaled data. There are also formatting options for the plot image itself.

 
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Apply Row Filter

If there is a row filter on the table you are plotting (see Browsing:Tasks:Filter Rows), you have the option to apply this filter when plotting such that only rows that pass the filter are plotted. To apply the filter, check the "Apply Current Filter" box.
 
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Zooming

Zooming can be accomplished by selecting the "Zoom" option in the hand tool option box. The region to be zoomed in on is then selected using the mouse on the plot canvas. This process can be repeated to zoom in as far as desired. The zoomer uses a zoom "stack" such that it remembers all the zoom levels and is thus able to go back and forth in the stack. For example, once zoomed in you can zoom out one level by clicking the "Out" button or in one level by clicking the "In" button. Scrolling the mouse wheel will also move out and in in the zoom stack. You can return to the topmost level by clicking the "Base" button or by right-clicking on the canvas. Note that these actions are only available when the Zoom tool is selected. Also note that if another plot is added to the canvas, the zoomer is reset.
 
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Panning

Panning can be accomplished by selecting the "Pan" option in the hand tool option box. The plot can then be panned by clicking and dragging the canvas to the desired position. This process can be repeated to pan as far as desired. To reset to the base position, click the "Reset" button. Note that these actions are only available when the Pan tool is selected. Also note that if anothe rplot is added to the canvas, the panner is reset.
 
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Selecting

Selecting can be accomplished by selecting the "Select" option in the hand tool option box. The region to be selected is then slsected using the mouse on the plot canvas. Once a region has been selected, the following actions may be performed on it:

Note that these actions are only available when the Select tool is selected. Also note that if another plot is added to the canvas, the selected region is cleared.
 
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Save As Image

To save the current plot as an image, first select the image format you wish to export as, then click the "Go" button. You will be prompted to choose a file to save to. If there are any problems during the export, an error dialog will appear; otherwise the export was successful.
 
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