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<h3 class="section">3.6 Using charts</h3>
<p><a name="index-Using-charts-9"></a>There are several different chart types in TOra, you can see them in the screenshot below (taken from Server Tuning tool).
<div class="block-image"><img src="images/charts.png" alt="images/charts.png"></div>
<h4 class="subheading">Piecharts</h4>
<p>This is the most simple chart. If the chart is too small you can open a snapshot of the chart by doubleclicking it. You can also open a context menu by rightclicking it. In the context menu you can choose to print the chart as well and open a snapshot in a new window.
<h4 class="subheading">Linecharts & barcharts</h4>
<p>These two charts work in the same way. The difference is that in a barchart the values are added on top of each other so you can easily see the sum of all values.
<p>You can zoom a part of a chart by leftclicking it and dragging a selection. If a chart is currently zoomed the word <strong>Zoom</strong> is printed in the upper left corner. You can remove the zooming by right clicking on the chart.
<p>The snapshot feature, context menu and printing works the same for these charts as for the piechart. In the context menu you have an additional item though that is <strong>Properties</strong>
<div class="block-image"><img src="images/chartsetup.png" alt="images/chartsetup.png"></div>
<dl>
<dt><strong>Y-Axis</strong><dd> This part is pretty self explanatory and is used to set up the range to display on the Y-axis of the chart.
<br><dt><strong>Show last value</strong><dd> Display the last sample added to the chart under the title of the chart.
<br><dt><strong>Show axis legend</strong><dd> Display text with the range and units of the axises.
<br><dt><strong>Show chart legend</strong><dd> Display the colors used in the chart in a legend to the right.
<br><dt><strong>Divide chart in grids</strong><dd> How many gridlines to divide a chart into.
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