DataValues in PHPGraphLib op de voorgrond zetten

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Jelle Botman

Jelle Botman

29/05/2015 11:56:41
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ik wil de datavalues op de voorgrond krijgen in mijn grafiek, ze staan nu op de achtergrond.
hoe krijg ik ze op de voorgrond?
Code (php)
PHP script in nieuw venster Selecteer het PHP script
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<?php
require('phpgraphlib.php');
include('phpgraphlib_stacked.php');
date_default_timezone_set('Europe/Amsterdam');
// DB connection
$username = "root";
$password = "usbw";
$hostname = "localhost";
$dbhandle = mysql_connect($hostname, $username, $password)
or die("Unable to connect to MySQL");
mysql_select_db("trikx") ;
$graph = new PHPGraphLibStacked(1800,500);
$data = unserialize(urldecode(stripslashes($_GET['mydata'])));
$data1 = unserialize(urldecode(stripslashes($_GET['mydata1'])));
$data2 = unserialize(urldecode(stripslashes($_GET['mydata2'])));
$naam = $_GET['naam'];

// $graph->setBars(false);
// $graph->setLine(true);
$graph->setBarColor('green', 'yellow', 'red');
$graph->setTitle($naam);

$graph->addData($data, $data1, $data2);
$graph->setDataValues(true);
$graph->setGrid(false);
$graph->setLegend(true);
$graph->setTitleLocation('left');
$graph->setXValuesHorizontal(true);

$graph->setLegendOutlineColor('white');
$graph->setLegendTitle('Actief', 'Nieuw', 'Opgeheven');

$graph->createGraph();








?>[/CODE]



en dit is de settings file van de grafiek:

[CODE]
<?php
////////////////////////////////////////////////////////////////////////
//PHPGraphLib -  PHP Graphing Library v2.31 - Stacked Bar Extension   //
//Author: Elliott Brueggeman                                          //
//PHP v4.04 + compatible                                              //
//Please visit www.ebrueggeman.com for usage policy                   //
//and documentation + examples                                        //
////////////////////////////////////////////////////////////////////////
class PHPGraphLibStacked extends PHPGraphLib {
    function PHPGraphLibStacked($width = '', $height = ''){
        PHPGraphLib::PHPGraphLib($width,$height);    
    }
    function generateBars() {
        $this->finalizeColors();
        $barCount = 0;
        $adjustment = 0;
        $last_y1 = array();
        $last_y2 = array();
        if ($this->bool_user_data_range && $this->data_min >= 0) {
            $adjustment = $this->data_min * $this->unit_scale;
        }
        $this->data_array = array_reverse($this->data_array);
        foreach ($this->data_array as $data_set_num => $data_set) {
            $lineX2 = NULL;
            $xStart = $this->y_axis_x1 + ($this->space_width / 2);
            foreach ($data_set as $key => $item) {
                $hideBarOutline = false;
                $x1 = round($xStart);
                $x2 = round($xStart + $this->bar_width);
                if ($data_set_num > 0) {
                    //find last set valid value for this dataset incase prior values were not set
                    $found = false;
                    $i = 1;
                    //default last to base in case none are found
                    $last = $this->x_axis_y1;
                    while ($found == false && ($data_set_num - $i) >= 0) {
                        if (isset($last_y1[$data_set_num - $i][$key])) {
                            $last = $last_y1[$data_set_num - $i][$key];
                            $found = true;
                        }
                        $i++;
                    }
                    $y2 = round($last);
                    $y1 = round(($y2 - ($item * $this->unit_scale) + $adjustment));
                }
                else {
                    $y2 = round($this->x_axis_y1);
                    $y1 = round((($this->x_axis_y1 - ($item * $this->unit_scale) + $adjustment)));
                }
                //if we are using a user specified data range, need to limit what's displayed
                if ($this->bool_user_data_range) {
                    if ($item <= $this->data_range_min) {
                        //don't display, we are out of our allowed display range!
                        $y1 = $y2;
                        $hideBarOutline = true;
                    }
                    else if ($item >= $this->data_range_max) {
                        //display, but cut off display above range max
                        $y1 = $this->x_axis_y1 - ($this->true_displayed_max_value * $this->unit_scale) + $adjustment;    
                    }
                }
                //draw bar and outline if nonzero
                if ($this->bool_bars && $item != 0) {
                    if ($this->bool_gradient) {
                        $this->drawGradientBar($x1, $y1, $x2, $y2, $this->multi_gradient_colors_1[$data_set_num], $this->multi_gradient_colors_2[$data_set_num], $data_set_num);
                    }
                    else {
                        imagefilledrectangle($this->image, $x1, $y1,$x2, $y2,  $this->multi_bar_colors[$data_set_num]);
                    }
                    //draw bar outline
                    if ($this->bool_bar_outline && !$hideBarOutline) {
                        imagerectangle($this->image,  $x1, $y1, $x2, $y2, $this->outline_color);
                    }
                }
                // display data values
                if ($this->bool_data_values) {
                    $dataX = ($x1 + ($this->bar_width) / 1000) - ((strlen($item) * $this->data_value_text_width) / 2);
                    //value to be graphed is equal/over 0
                    if ($item >= 0) {
                        $dataY=$y1-$this->data_value_padding-$this->data_value_text_height;
                    }
                    else {
                        //check for item values below user spec'd range
                        if ($this->bool_user_data_range && $item <= $this->data_range_min) {
                            $dataY = $y1 - $this->data_value_padding - $this->data_value_text_height;
                        }
                        else {
                            $dataY = $y1 + $this->data_value_padding;
                        }
                    }
                    //add currency sign, formatting etc
                    if ($this->data_format_array) {
                        $item = $this->applyDataFormats($item);
                    }
                    if ($this->data_currency) {
                        $item = $this->applyDataCurrency($item);
                    }
                    //recenter data position if necessary
                    $dataX -= ($this->data_additional_length * $this->data_value_text_width) / 2;
                    imagestring($this->image, 3, $dataX, $dataY, $item,  $this->data_value_color);
                }
                //write x axis value
                if ($this->bool_x_axis_values) {
                    if ($data_set_num == $this->data_set_count - 1) {
                        if ($this->bool_x_axis_values_vert) {
                            if ($this->bool_all_negative) {
                                //we must put values above 0 line
                                $textVertPos = round($this->y_axis_y2 - $this->axis_value_padding);
                            }
                            else {
                                //mix of both pos and neg numbers
                                //write value y axis bottom value (will be under bottom of grid even if x axis is floating due to
                                $textVertPos = round($this->y_axis_y1 + (strlen($key) * $this->text_width) + $this->axis_value_padding);
                            }
                            $textHorizPos = round($xStart + ($this->bar_width / 2) - ($this->text_height / 2));
                            imagestringup($this->image, 2, $textHorizPos, $textVertPos, $key,  $this->x_axis_text_color);
                        }
                        else {
                            if ($this->bool_all_negative) {
                                //we must put values above 0 line
                                $textVertPos = round($this->y_axis_y2 - $this->text_height - $this->axis_value_padding);
                            }
                            else {
                                //mix of both pos and neg numbers
                                //write value y axis bottom value (will be under bottom of grid even if x axis is floating
                                $textVertPos=round($this->y_axis_y1 + ($this->text_height * 2 / 3)-$this->axis_value_padding);
                            }
                            //horizontal data keys
                            $textHorizPos = round($xStart + ($this->bar_width / 2) - ((strlen($key) * $this->text_width) / 2));
                            imagestring($this->image, 2, $textHorizPos, $textVertPos, $key,  $this->x_axis_text_color);
                        }
                    }
                }
                $xStart += $this->bar_width + $this->space_width;
                $last_y1[$data_set_num][$key] = $y1;
            }
        }
    }
    function addData($data, $data2 = '', $data3 = '', $data4 = '', $data5 = '') {
        if (is_array($data)){ $this->data_array[]=$data; }
        if (is_array($data2)){ $this->data_array[]=$data2; }
        if (is_array($data3)){ $this->data_array[]=$data3; }
        if (is_array($data4)){ $this->data_array[]=$data4; }
        if (is_array($data5)){ $this->data_array[]=$data5; }
        //assess data
        $min = $this->data_max_allowable;
        $max = $this->data_min_allowable;
        $this->data_count=0;
        $key_max = array();
        //loop through each row, adding values to keyed arrays to find combined max
        foreach ($this->data_array as $data_set_num => $data_set) {
            foreach ($data_set as $key => $item) {
                if (!is_numeric($item)) {
                    unset($this->data_array[$data_set_num][$key]);
                }
                else {
                    $key_max[$key] = isset($key_max[$key]) ? $key_max[$key] + $item : $item;
                    if($key_max[$key] < $min){ $min = $key_max[$key]; }
                    if($key_max[$key] > $max){ $max = $key_max[$key]; }
                }
            }
            //find the count of the dataset with the most data points
            $count = count($this->data_array[$data_set_num]);
            $count > $this->data_count ? $this->data_count = $count : NULL;
        }
        //number of valid data sets
        $this->data_set_count = count($this->data_array);
        if ($this->data_set_count == 0) {
            $this->error[] = "No valid datasets added in adddata() function.";
        }
        else {
            $this->calcMinMax($min, $max);
        }
    }
    
}
?>
Gewijzigd op 29/05/2015 11:58:22 door Jelle Botman
 
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