Line charts

Build simple svg line charts based on an array of [x,y] points.

Fetures

• Define one or more data sets (as a list of (x,y) points)
• Automatically scale diagram to the range defined by the data sets
• Render data sets (as lines); render a grid (with a given number of horizontal/vertical lines)

Usage

See the example.php file.

TODO

• Print legends for data sets
• add labels to grid lines to indicate the values