Other varieties of a net chart can be made to show the data series as stacked
numbers or stacked percentages. The series can also be filled with a color (Figure
93). Partial transparency is often best for showing all the series all at once.
Stock charts
A stock chart is a specialized column graph specifically for stocks and shares. You can
choose traditional lines, candlestick, and two-column type charts. The data required
for these charts is quite specialized, with series for opening price, closing price and
high and low prices. In this type of chart, the x-axis represents a time series.
When you set up a stock chart in the Chart Wizard, the Data Series dialog is very
important. You need to tell it which series represents the opening price, the closing
price, the high and low price of the stock, and so on.
Figure 94: Adjusting data series for stock charts.
A nice touch is that OpenOffice.org stock charts color-code the rising and falling
shares: white for rising and black for falling in the candlestick chart and red and blue
in the traditional line chart.
96 OpenOffice.org 3.3 Calc Guide
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