Version 1.9g

artichow/examples/line-007.php

@@ -0,0 +1,67 @@
+<?php
+/*
+ * This work is hereby released into the Public Domain.
+ * To view a copy of the public domain dedication,
+ * visit http://creativecommons.org/licenses/publicdomain/ or send a letter to
+ * Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
+ *
+ */
+
+require_once "../LinePlot.class.php";
+
+// Return a random color
+function color($a = NULL) {
+	return new Color(mt_rand(20, 180), mt_rand(20, 180), mt_rand(20, 180), $a);
+}
+
+function formatLabel($value) {
+	return sprintf("%.2f", $value);
+}
+
+$graph = new Graph(450, 400);
+$graph->setAntiAliasing(TRUE);
+$graph->title->set("Some lines");
+
+$group = new PlotGroup;
+$group->setXAxisZero(FALSE);
+$group->setBackgroundColor(new Color(197, 180, 210, 80));
+
+$group->setPadding(40, NULL, 50, NULL);
+
+$group->axis->left->setLabelNumber(8);
+$group->axis->left->setLabelPrecision(1);
+$group->axis->left->setTickStyle(Tick::OUT);
+
+$group->axis->bottom->setTickStyle(Tick::OUT);
+
+// Display two lines
+for($n = 0; $n < 2; $n++) {
+
+	$x = array();
+	
+	for($i = 0; $i < 10; $i++) {
+		$x[] = (cos($i * M_PI / 5)) / ($n + 1);
+	}
+	
+	$plot = new LinePlot($x);
+	$plot->setColor(color(10)); // Random line color
+	$plot->setFillColor(color(90)); // Random background color
+
+	$plot->label->set($x);
+	$plot->label->setBackgroundColor(new Color(220, 234, 230, 25));
+	$plot->label->setPadding(1, 0, 0, 0);
+	$plot->label->setCallbackFunction("formatLabel");
+	$plot->label->setInterval(2);
+	
+	$group->add($plot);
+	$group->legend->add($plot, "Line #".($n + 1), Legend::LINE);
+	
+}
+
+$group->legend->setSpace(12);
+$group->legend->setBackgroundColor(new Color(255, 255, 255));
+$group->setPadding(NULL, 100, NULL, NULL);
+
+$graph->add($group);
+$graph->draw();
+?>