SMART datagrid v.1 > Classes > PlottingSource
The relative width which is taken up by each item of this Seriles or Series Group when more than one series is displayed in one chart.
For example, if the value of column series A is 2 and the value of column series B is 1, the width of column bar of series A will be double of the width of column bar of series B. When display several series of the same type, if differentiate this value, you can display more effectively.
Defaults to 1.