You can also render chart with dots or points only without line in between by setting “showGridLine” to false. You can further remove the grid and borders using set_grid() method. Add plugin “trendline” to show the linear approximation.
1 2 3 4 5 6 7 8 9 10 11 12 13 | $pc = new C_PhpChartX(array(array(11, 9, 5, 12, 14)),'basic_chart'); $pc->add_plugins(array('trendline')); $pc->set_defaults(array('seriesDefaults'=>array('showLine'=>false))); // remove background, border and grid. $pc->set_axes(array( 'xaxis'=>array('tickOptions'=>array('showGridline'=>false)), 'yaxis'=>array('tickOptions'=>array('showGridline'=>false)))); $pc->set_grid(array( 'background'=>'white', 'borderWidth'=>0, 'borderColor'=>'#000000', 'shadow'=>false)); $pc->draw(); |
