Now, user can choose whether he/she want to display the chart on one column canvas layout, or two column canvas layout. One column layout is very usefull when user have large dataset to display, which is can’t be accomodate by single column canvas layout. Here is some screenshoot for you to see :
Btw, i found this book very-very usefull when designing dashboard application that make your boss happy :
One more note, on a single column canvas layout, user can resize the chart. So if the dataset that we want to display is quite large, the user have a flexibility to resize the chart so the chart can visualize all data.