Add php files

include/ECM/open_flash_chart2/php5-ofc-library/examples/scatter-chart.php

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+<?php
+/**
+ * PHP Integration of Open Flash Chart
+ * Copyright (C) 2008 John Glazebrook <open-flash-chart@teethgrinder.co.uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+require_once('OFC/OFC_Chart.php');
+
+$chart = new OFC_Chart();
+
+$title = new OFC_Elements_Title( date("D M d Y") );
+$chart->set_title( $title );
+
+$scatter = new OFC_Charts_Scatter( '#FFD600', 10 );
+$scatter->set_values(
+    array(
+        new OFC_Charts_Scatter_Value( 0, 0 )
+        )
+    );
+
+$chart->add_element( $scatter );
+
+
+//
+// plot a circle
+//
+$s2 = new OFC_Charts_Scatter( '#D600FF', 3 );
+$v = array();
+
+for( $i=0; $i<360; $i+=5 )
+{
+    $v[] = new OFC_Charts_Scatter_Value(
+        number_format(sin(deg2rad($i)), 2, '.', ''),
+        number_format(cos(deg2rad($i)), 2, '.', '') );
+}
+$s2->set_values( $v );
+$chart->add_element( $s2 );
+
+$x = new OFC_Elements_Axis_X();
+$x->set_range( -2, 2 );
+$chart->set_x_axis( $x );
+
+$y = new OFC_Elements_Axis_Y();
+$y->set_range( -2, 2 );
+$chart->add_y_axis( $y );
+
+
+echo $chart->toPrettyString();
+