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  Classes of Herman Veluwenkamp  >  Graph Drawing Class 2  >  test09.php  >  Download  
File: test09.php
Role: Example script
Content type: text/plain
Description: Line/Area Chart & Double Y Axis
Class: Graph Drawing Class 2
Class to draw line, point, area, and bar graphs.
Author: By
Last change:
Date: 13 years ago
Size: 2,736 bytes
 

Contents

Class file image Download
<?php
include 'graph.php';

$graph = new graph(400,250);
$graph->parameter['path_to_fonts'] = 'fonts/';
$graph->parameter['title']         = 'Line/Area Chart & Double Y Axis';
$graph->parameter['x_label']       = '';
$graph->parameter['y_label_left']  = 'Items';
$graph->parameter['y_label_right'] = 'Totals';
$graph->parameter['legend']        = 'outside-right';
$graph->parameter['legend_border'] = 'black';
$graph->parameter['legend_offset'] = 4;

$graph->x_data                 = array('Fri''Mon''Tue''Wed''Thu''Fri');

$graph->y_data['alpha']        = array(67,  5,  5,  8,  9);
$graph->y_data['beta']         = array(22,  4,  3,  4,  5);
$graph->y_data['total']        = array(81214);
$graph->y_data['cummulative']  = array(81726344660);

// you can add new custom colours like this.
$graph->colour['new_colour1'] = ImageColorAllocate ($graph->image0x660xFF0x66);
$graph->colour['new_colour2'] = ImageColorAllocate ($graph->image0xCC0xFF0xCC);

// format for each data set
$graph->y_format['alpha']  =
  array(
'colour' => 'blue''line' => 'brush''legend' => 'Item Alpha''y_axis' => 'left');

$graph->y_format['beta'] =
  array(
'colour' => 'red',  'line' => 'brush''legend' => 'Item Beta''y_axis' => 'left');

$graph->y_format['total']  =
  array(
'colour' => 'new_colour1''area' => 'fill''legend' => 'Unit Total''y_axis' => 'right');

$graph->y_format['cummulative'] =
  array(
'colour' => 'new_colour2''area' => 'fill''legend' => 'Cummulative Total''y_axis' => 'right');

$graph->parameter['x_offset']            = 0;  // offset of x axis ticks from y_axis. can be set to zero as no bars.
$graph->parameter['x_axis_angle']        = 0;
$graph->parameter['y_max_left']          = 10// left axis goes up to 10
$graph->parameter['y_max_right']         = 60// right axis goes up to 60
$graph->parameter['y_resolution_left']   = 0;  // no decimal places
$graph->parameter['y_decimal_left']      = 0;  // ...
$graph->parameter['y_axis_text_left']    = 2;  // print every other tick on left y axis
$graph->parameter['y_axis_text_right']   = 2;  // print every other tick on right y axis
$graph->parameter['y_axis_gridlines']    = 11;
$graph->parameter['y_grid']              = 'line';
$graph->parameter['x_grid']              = 'none';  // no x grid
$graph->parameter['y_ticks_colour']      = 'none'// no y axis ticks
$graph->parameter['inner_border_type']   = 'x-axis';
$graph->parameter['brush_size']          = 2;
$graph->parameter['shadow']              = 'none';

$graph->y_order = array('cummulative''total''alpha''beta'); // order in which to draw data sets.

// draw it.
$graph->draw();
?>