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