$group = new PlotGroup();
$group->setSpace(6, 6, 5, 5);
$group->setBackgroundGradient(new LinearGradient(new Color(235, 235, 235), new White(), 0));
$group->setPadding(40, 10, 10, 50);
$group->axis->left->setLabelPrecision(2);
$group->axis->bottom->label->hide(TRUE);
$group->axis->bottom->hideTicks(TRUE);
$group->grid->setType(LINE_DASHED);
$group->grid->hideHorizontal(TRUE);
$gradients = array(new LinearGradient(new Color(30, 30, 160, 10), new Color(120, 120, 160, 10), 0), new LinearGradient(new Color(30, 160, 30, 10), new Color(120, 160, 120, 10), 0), new LinearGradient(new Color(160, 30, 30, 10), new Color(160, 120, 120, 10), 0));
for ($n = 0; $n < 3; $n++) {
$x = array();
for ($i = 0; $i < 6; $i++) {
$x[] = (cos($i * M_PI / 100) / ($n + 1) * mt_rand(600, 900) / 1000 - 0.5) * ($n % 2 ? -0.5 : 1) + ($n % 2 ? -0.4 : 0);
}
$plot = new BarPlot($x, $n + 1, 3);
$plot->setXAxis(PLOT_BOTTOM);
$plot->barShadow->setSize(1);
$plot->barShadow->setPosition(SHADOW_RIGHT_TOP);
$plot->barShadow->setColor(new Color(160, 160, 160, 10));
$plot->barBorder->setColor($gradients[$n]->from);
$plot->setBarGradient($gradients[$n]);
$plot->setBarSpace(2);
$group->legend->add($plot, 'Bar#' . ($n + 1), LEGEND_BACKGROUND);
$group->add($plot);
}
$group->legend->setModel(LEGEND_MODEL_BOTTOM);
$group->legend->setPosition(NULL, 0.86);
$group->legend->shadow->hide();
$graph->add($group);
$graph->draw();
$a = 0;
}
return new Color(mt_rand(20, 180), mt_rand(20, 180), mt_rand(20, 180), $a);
}
$graph = new Graph(400, 400);
$graph->setAntiAliasing(TRUE);
$group = new PlotGroup();
$group->setSpace(3, 3, 5, 5);
$group->setBackgroundGradient(new LinearGradient(new Color(200, 200, 200), new Color(240, 240, 240), 0));
$group->setPadding(NULL, NULL, 25, 25);
$group->axis->left->setLabelPrecision(2);
for ($n = 0; $n < 4; $n++) {
$x = array();
for ($i = 0; $i < 5; $i++) {
$x[] = (cos($i * M_PI / 100) / ($n + 1) * mt_rand(700, 1300) / 1000 - 0.5) * ($n % 2 ? -0.5 : 1) + ($n % 2 ? -0.4 : 0);
}
$plot = new BarPlot($x, $n + 1, 4);
$plot->barBorder->hide();
$plot->setXAxis(PLOT_TOP);
$plot->barShadow->setSize(4);
$plot->barShadow->setPosition(SHADOW_RIGHT_TOP);
$plot->barShadow->setColor(new Color(255, 255, 255, 20));
$plot->barShadow->smooth(TRUE);
$plot->setBarGradient(new LinearGradient(color(50), color(50), 90));
$group->add($plot);
$group->legend->add($plot, "Line #" . ($n + 1), LEGEND_BACKGROUND);
}
$group->legend->setAlign(LEGEND_CENTER, LEGEND_TOP);
$group->legend->setPosition(0.87, 0.1);
$graph->add($group);
$graph->draw();
