Polar, pie and doughnut charts:
- accept only one series of data
- require each data value be defined with its own color.
To know how these charts are implemented
- run one of the following CGI programs
- display the source of the WEB page generated from that CGI program
The following CGI programs are available:
- sales which reads a database file member
and displays the three different types of chart
- yrdata which displays the three different types of chart
generated from your data input.