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File: test08.php

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  Classes of Herman Veluwenkamp  >  Graph Drawing Class 2  >  test08.php  >  Download  
File: test08.php
Role: Example script
Content type: text/plain
Description: Numeric X Axis with Zero-Axis
Class: Graph Drawing Class 2
Class to draw line, point, area, and bar graphs.
Author: By
Last change:
Date: 13 years ago
Size: 1,992 bytes
 

Contents

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

$graph = new graph(400,240);
$graph->parameter['path_to_fonts'] = 'fonts/'; // path to where fonts are stored
$graph->parameter['title'] = 'Numeric X Axis with Zero-Axis';
$graph->parameter['x_label'] = 'Some Value';
$graph->parameter['y_label_left'] = 'Offset';

$graph->x_data = array(-4, -1, 4, 6, 9, 14);
$graph->y_data['alpha'] = array(2, -1, 3, 5, 8, 9);
$graph->y_data['beta'] = array(3, 2, -4, -3, 1, 5);

//$graph->y_data['beta'] = array(3, 2, 0, 0, 0, 5);

// format for each data set
$graph->y_format['alpha'] = array('colour' => 'blue', 'line' => 'brush');
$graph->y_format['beta'] = array('colour' => 'red', 'line' => 'brush');

$graph->parameter['shadow'] = 'grayCC'; // set default shadow for all data sets.
$graph->parameter['bar_size'] = 0.9;
$graph->parameter['bar_spacing'] = 30;

$graph->parameter['y_min_left'] = -4;
$graph->parameter['y_max_left'] = 10;
$graph->parameter['y_decimal_left'] = 0;
$graph->parameter['y_axis_gridlines'] = 15;

$graph->parameter['x_axis_gridlines'] = 19;
$graph->parameter['x_offset'] = 0;

$graph->parameter['x_axis_angle'] = 0;

$graph->parameter['x_axis_text'] = 2; // print every other tick on x axis
$graph->parameter['y_axis_text_left'] = 2; // print every other tick on left y axis
$graph->parameter['tick_length'] = -2; // tick is drawn pointing outside the plotting area
$graph->parameter['x_ticks_colour'] = 'none'; // no x ticks (colour = 'none')

$graph->parameter['zero_axis'] = 'black';
$graph->parameter['inner_border_type']= 'y-left'; // only draw left y axis as zero axis already selected above.

$graph->parameter['y_label_angle'] = 90; // rotate y_label text.

$graph->y_order = array('alpha', 'beta');
//$graph->y_order = array('beta');
$graph->draw();
//$graph->draw_stack();


?>