public function make($working_path)
{
// This will import the file http://my.domain.com/myData.csv using each column as a serie
if (!$this->plot->valid()) {
$file = $this->plot->name();
$error = $this->plot->error();
$this->log($working_path, "Plot file {$file} is invalid: {$error}");
return 1;
}
$data = new pData();
$columns = array();
$all_columns = array();
$x_column = $this->plot->property('x_column') - 1;
if ($x_column === NULL) {
$x_column = 0;
}
$data_file = $this->plot->data_property('name');
$deliminator = $this->plot->data_property('deliminator');
$has_header = $this->plot->data_property('header') == 'yes';
foreach ($this->plot->columns() as $column => $name) {
if ($column != $x_column + 1) {
$columns[] = $column - 1;
}
$all_columns[] = $column - 1;
}
$data->ImportFromCSV($working_path . $data_file, $deliminator, $all_columns, $has_header);
foreach ($columns as $column) {
$name = $this->plot->column($column + 1);
$data->AddSerie('Serie' . $column);
$data->SetSerieName($name, "Serie" . $column);
}
$max_col = -1;
$max_val = NULL;
foreach ($data->GetData() as $record) {
foreach ($columns as $column) {
$point = $record['Serie' . $column];
if ($max_val === NULL || $point > $max_val) {
$max_val = $point;
$max_col = $column;
}
}
}
$x_label = $this->plot->axis_property('x', 'label');
if ($x_label) {
$data->SetXAxisName($x_label);
} else {
$data->SetXAxisName($this->plot->column($x_column + 1));
}
$x_unit = $this->plot->axis_property('x', 'unit');
if ($x_unit) {
$data->SetXAxisUnit($x_unit);
}
$y_label = $this->plot->axis_property('y', 'label');
reset($columns);
if ($y_label) {
$data->SetYAxisName($y_label);
} else {
$data->SetYAxisName($this->plot->column(current($columns) + 1));
}
$y_unit = $this->plot->axis_property('y', 'unit');
if ($y_unit) {
$data->SetyAxisUnit($y_unit);
}
$width = $this->plot->property('width');
if (!$width) {
$width = 640;
}
$height = $this->plot->property('height');
if (!$height) {
$height = 480;
}
$plot = new pChart($width, $height);
$font_name = $this->plot->property('font-name');
if (!$font_name) {
$font_name = 'tahoma.ttf';
}
$font_name = 'lib/plugins/projects/pchart/fonts/' . $font_name;
$font_size = $this->plot->property('font_size');
if (!$font_size) {
$font_size = 12;
}
$plot->setFontProperties($font_name, $font_size);
$h = $font_size + 10;
$left_margin = 0;
foreach ($data->GetData() as $record) {
$position = imageftbbox($font_size, 0, $font_name, $record['Serie' . $max_col]);
$text_width = $position[2] - $position[0];
if ($text_width > $left_margin) {
$left_margin = $text_width;
}
}
$left_margin += 2 * $h;
$plot->setGraphArea($left_margin, 2 * $h, $width - $h, $height - 2 * $h);
$background = $this->plot->property('background');
if (!$background) {
$background = array('R' => 255, 'G' => 255, 'B' => 255);
} else {
$background = html_color_to_RGB($background);
}
$plot->drawGraphArea($background['R'], $background['G'], $background['B']);
// pick the largest scale
$plot->drawXYScale($data->GetData(), $data->GetDataDescription(), 'Serie' . $max_col, 'Serie' . $x_column, 0, 0, 0, TRUE, 0, 0);
$line_no = 0;
$colors = array();
foreach ($columns as $column) {
$name = $this->plot->column($column + 1);
$style = $this->plot->line_style($name, 'style');
$line_color = $this->plot->line_style($name, 'color');
if (!$line_color) {
$colors[$name] = array('R' => 0, 'G' => 0, 'B' => 0);
} else {
$colors[$name] = html_color_to_RGB($line_color);
}
$plot->setColorPalette($line_no, $colors[$name]['R'], $colors[$name]['G'], $colors[$name]['B']);
if (!$style || $style == 'line' || $style == 'both') {
$line_width = $this->plot->line_style($name, 'width');
if (!$line_width) {
$line_width = 1;
}
$dot_size = $this->plot->line_style($name, 'dot-size');
if (!$dot_size) {
$dot_size = 0;
}
$plot->setLineStyle($line_width, $dot_size);
$plot->drawXYGraph($data->GetData(), $data->GetDataDescription(), 'Serie' . $column, 'Serie' . $x_column, $line_no);
}
if ($style == 'point' || $style == 'both') {
$radius = $this->plot->line_style($name, 'radius');
if (!$radius) {
$radius = 5;
}
$plot->drawXYPlotGraph($data->GetData(), $data->GetDataDescription(), 'Serie' . $column, 'Serie' . $x_column, $line_no, $radius, $radius - 2);
}
$line_no++;
}
$title = $this->plot->property('title');
foreach ($columns as $column) {
$data->removeSerie('Serie' . $column);
}
$in_legend = array();
$description = $data->GetDataDescription();
$description['Description'] = array();
$palette_id = 0;
foreach ($columns as $column) {
$name = $this->plot->column($column + 1);
if (in_array($name, $in_legend)) {
continue;
}
$in_legend[] = $name;
$description['Description']['Serie' . $column] = $name;
$plot->setColorPalette($palette_id, $colors[$name]['R'], $colors[$name]['G'], $colors[$name]['B']);
++$palette_id;
}
$legend_box_size = $plot->getLegendBoxSize($description);
$legend_position = $this->plot->property('legend-position');
if (!$legend_position) {
$legend_position = 'top-left';
}
switch ($legend_position) {
case 'top-left':
$legend_left = 0;
$legend_top = 0;
break;
case 'top':
$legend_left = ($width - $h - $left_margin - $legend_box_size[0]) / 2;
$legend_top = 0;
break;
case 'top-right':
$legend_left = $width - $left_margin - $h - $legend_box_size[0];
$legend_top = 0;
break;
case 'left':
$legend_left = 0;
$legend_top = ($height - 4 * $h - $legend_box_size[1]) / 2;
break;
case 'center':
$legend_left = ($width - $h - $left_margin - $legend_box_size[0]) / 2;
$legend_top = ($height - 4 * $h - $legend_box_size[1]) / 2;
break;
case 'right':
$legend_left = $width - $left_margin - $h - $legend_box_size[0];
$legend_top = ($height - 4 * $h - $legend_box_size[1]) / 2;
break;
case 'bottom-left':
$legend_left = 0;
$legend_top = $height - 4 * $h - $legend_box_size[1];
break;
case 'bottom':
$legend_left = ($width - $h - $left_margin - $legend_box_size[0]) / 2;
$legend_top = $height - 4 * $h - $legend_box_size[1];
break;
case 'bottom-right':
$legend_left = $width - $left_margin - $h - $legend_box_size[0];
$legend_top = $height - 4 * $h - $legend_box_size[1];
break;
}
$plot->drawLegend($left_margin + $legend_left, 2 * $h + $legend_top, $description, 255, 255, 255, 100, 100, 100, 0, 0, 0, true);
$plot->drawTitle($h, 0, $title, 0, 0, 0, $width - $h, $h * 2, 100);
$plot->Render($this->path($working_path));
$file_name = $this->plot->name();
$plot_name = $this->name();
$this->log($working_path, "Successfully plotted {$file_name} as {$plot_name}\ntitle: {$title}\n");
return 0;
}
<?php
/*
Example1 : A simple line chart
*/
// Standard inclusions
include "src/pData.php";
include "src/pChart.php";
// Dataset definition
$DataSet = new pData();
$DataSet->ImportFromCSV("Sample/bulkdata.csv", ",", array(1, 2, 3), FALSE, 0);
$DataSet->AddAllSeries();
$DataSet->SetAbsciseLabelSerie();
$DataSet->SetSerieName("January", "Serie1");
$DataSet->SetSerieName("February", "Serie2");
$DataSet->SetSerieName("March", "Serie3");
$DataSet->SetYAxisName("Average age");
$DataSet->SetYAxisUnit("µs");
// Initialise the graph
$Test = new pChart(700, 230);
$Test->setFontProperties("Fonts/tahoma.ttf", 8);
$Test->setGraphArea(70, 30, 680, 200);
$Test->drawFilledRoundedRectangle(7, 7, 693, 223, 5, 240, 240, 240);
$Test->drawRoundedRectangle(5, 5, 695, 225, 5, 230, 230, 230);
$Test->drawGraphArea(255, 255, 255, TRUE);
$Test->drawScale($DataSet->GetData(), $DataSet->GetDataDescription(), SCALE_NORMAL, 150, 150, 150, TRUE, 0, 2);
$Test->drawGrid(4, TRUE, 230, 230, 230, 50);
// Draw the 0 line
$Test->setFontProperties("Fonts/tahoma.ttf", 6);
$Test->drawTreshold(0, 143, 55, 72, TRUE, TRUE);
// Draw the line graph
<?php
/*
Example6 : A simple filled line graph
*/
// Standard inclusions
include "src/pData.php";
include "src/pChart.php";
// Dataset definition
$DataSet = new pData();
$DataSet->ImportFromCSV("Sample/datawithtitle.csv", ",", array(1, 2, 3), TRUE, 0);
$DataSet->AddAllSeries();
$DataSet->SetAbsciseLabelSerie();
// Initialise the graph
$Test = new pChart(700, 230);
$Test->setFontProperties("Fonts/tahoma.ttf", 8);
$Test->setGraphArea(60, 30, 680, 200);
$Test->drawFilledRoundedRectangle(7, 7, 693, 223, 5, 240, 240, 240);
$Test->drawRoundedRectangle(5, 5, 695, 225, 5, 230, 230, 230);
$Test->drawGraphArea(255, 255, 255, TRUE);
$Test->drawScale($DataSet->GetData(), $DataSet->GetDataDescription(), SCALE_NORMAL, 150, 150, 150, TRUE, 0, 2);
$Test->drawGrid(4, TRUE, 230, 230, 230, 50);
// Draw the 0 line
$Test->setFontProperties("Fonts/tahoma.ttf", 6);
$Test->drawTreshold(0, 143, 55, 72, TRUE, TRUE);
// Draw the filled line graph
$Test->drawFilledLineGraph($DataSet->GetData(), $DataSet->GetDataDescription(), 50, TRUE);
// Finish the graph
$Test->setFontProperties("Fonts/tahoma.ttf", 8);
$Test->drawLegend(65, 35, $DataSet->GetDataDescription(), 255, 255, 255);
$Test->setFontProperties("Fonts/tahoma.ttf", 10);
<?php
/*
Example16 : Importing CSV data
*/
// Standard inclusions
include "pChart/pData.class";
include "pChart/pChart.class";
// Dataset definition
$DataSet = new pData();
$DataSet->ImportFromCSV("Sample/CO2.csv", ",", array(1, 2, 3, 4), TRUE, 0);
$DataSet->AddAllSeries();
$DataSet->SetAbsciseLabelSerie();
$DataSet->SetYAxisName("CO2 concentrations");
// Initialise the graph
$Test = new pChart(700, 230);
$Test->reportWarnings("GD");
$Test->setFontProperties("Fonts/tahoma.ttf", 8);
$Test->setGraphArea(60, 30, 680, 180);
$Test->drawFilledRoundedRectangle(7, 7, 693, 223, 5, 240, 240, 240);
$Test->drawRoundedRectangle(5, 5, 695, 225, 5, 230, 230, 230);
$Test->drawGraphArea(255, 255, 255, TRUE);
$Test->drawScale($DataSet->GetData(), $DataSet->GetDataDescription(), SCALE_NORMAL, 150, 150, 150, TRUE, 90, 2);
$Test->drawGrid(4, TRUE, 230, 230, 230, 50);
// Draw the 0 line
$Test->setFontProperties("Fonts/tahoma.ttf", 6);
$Test->drawTreshold(0, 143, 55, 72, TRUE, TRUE);
// Draw the line graph
$Test->drawLineGraph($DataSet->GetData(), $DataSet->GetDataDescription());
$Test->drawPlotGraph($DataSet->GetData(), $DataSet->GetDataDescription(), 3, 2, 255, 255, 255);
// Finish the graph
