<?php
// content="text/plain; charset=utf-8"
require_once 'jpgraph/jpgraph.php';
require_once 'jpgraph/jpgraph_line.php';
$datay = array(1.23, 1.9, 1.6, 3.1, 3.4, 2.8, 2.1, 1.9);
$graph = new Graph\Graph(300, 200);
$graph->SetScale("textlin");
$graph->img->SetMargin(40, 40, 40, 40);
$graph->SetShadow();
$graph->SetGridDepth(DEPTH_FRONT);
$graph->title->Set("Example of filled line plot");
$graph->title->SetFont(FF_FONT1, FS_BOLD);
$p1 = new Plot\LinePlot($datay);
$p1->SetFillColor("orange");
$p1->mark->SetType(MARK_FILLEDCIRCLE);
$p1->mark->SetFillColor("red");
$p1->mark->SetWidth(4);
$graph->Add($p1);
$graph->Stroke();
/**
* Construct the graph
*
*/
private function Init()
{
// Setup limits for color indications
$lowx = $this->iXMin;
$highx = $this->iXMax;
$lowy = $this->iYMin;
$highy = $this->iYMax;
$width = $this->iWidth;
$height = $this->iHeight;
// Margins
$lm = 50;
$rm = 40;
$tm = 60;
$bm = 40;
if ($width <= 300 || $height <= 250) {
$labelsize = 8;
$lm = 25;
$rm = 25;
$tm = 45;
$bm = 25;
} elseif ($width <= 450 || $height <= 300) {
$labelsize = 8;
$lm = 30;
$rm = 30;
$tm = 50;
$bm = 30;
} elseif ($width <= 600 || $height <= 400) {
$labelsize = 9;
} else {
$labelsize = 11;
}
if ($this->iSubTitle == '') {
$tm -= $labelsize + 4;
}
$graph = new Graph\Graph($width, $height);
$graph->SetScale('intint', $lowy, $highy, $lowx, $highx);
$graph->SetMargin($lm, $rm, $tm, $bm);
$graph->SetMarginColor($this->iMarginColor[$this->iColorMap]);
$graph->SetClipping();
$graph->title->Set($this->iTitle);
$graph->subtitle->Set($this->iSubTitle);
$graph->title->SetFont(FF_ARIAL, FS_BOLD, $labelsize + 4);
$graph->subtitle->SetFont(FF_ARIAL, FS_BOLD, $labelsize + 1);
$graph->SetBox(true, 'black@0.3');
$graph->xaxis->SetFont(FF_ARIAL, FS_BOLD, $labelsize);
$graph->yaxis->SetFont(FF_ARIAL, FS_BOLD, $labelsize);
$graph->xaxis->scale->ticks->Set(CCBPGraph::TickStep, CCBPGraph::TickStep);
$graph->yaxis->scale->ticks->Set(CCBPGraph::TickStep, CCBPGraph::TickStep);
$graph->xaxis->HideZeroLabel();
$graph->yaxis->HideZeroLabel();
$graph->xaxis->SetLabelFormatString('%d%%');
$graph->yaxis->SetLabelFormatString('%d%%');
// For the x-axis we adjust the color so labels on the left of the Y-axis are in black
$n1 = floor(abs($this->iXMin / 25)) + 1;
$n2 = floor($this->iXMax / 25);
if ($this->iColorMap == 0) {
$xlcolors = array();
for ($i = 0; $i < $n1; ++$i) {
$xlcolors[$i] = 'black';
}
for ($i = 0; $i < $n2; ++$i) {
$xlcolors[$n1 + $i] = 'lightgray:1.5';
}
$graph->xaxis->SetColor('gray', $xlcolors);
$graph->yaxis->SetColor('gray', 'lightgray:1.5');
} else {
$graph->xaxis->SetColor('darkgray', 'darkgray:0.8');
$graph->yaxis->SetColor('darkgray', 'darkgray:0.8');
}
$graph->SetGridDepth(DEPTH_FRONT);
$graph->ygrid->SetColor('gray@0.6');
$graph->ygrid->SetLineStyle('dotted');
$graph->ygrid->Show();
$graph->xaxis->SetWeight(1);
$graph->yaxis->SetWeight(1);
$ytitle = new Text(CCBPGraph::YTitle, floor($lm * 0.75), ($height - $tm - $bm) / 2 + $tm);
#$ytitle->SetFont(FF_VERA,FS_BOLD,$labelsize+1);
$ytitle->SetAlign('right', 'center');
$ytitle->SetAngle(90);
$graph->Add($ytitle);
$xtitle = new Text(CCBPGraph::XTitle, ($width - $lm - $rm) / 2 + $lm, $height - 10);
#$xtitle->SetFont(FF_VERA,FS_BOLD,$labelsize);
$xtitle->SetAlign('center', 'bottom');
$graph->Add($xtitle);
$df = 'D j:S M, Y';
if ($width < 400) {
$df = 'D j:S M';
}
$time = new Text(date($df), $width - 10, $height - 10);
$time->SetAlign('right', 'bottom');
#$time->SetFont(FF_VERA,FS_NORMAL,$labelsize-1);
$time->SetColor('darkgray');
$graph->Add($time);
// Use an accumulated fille line graph to create the colored bands
$n = 3;
for ($i = 0; $i < $n; ++$i) {
$b = $this->iColorInd[$i][0];
$k = ($this->iColorInd[$i][1] - $this->iColorInd[$i][0]) / $this->iXMax;
$colarea[$i] = array(array($lowx, $lowx * $k + $b), array($highx, $highx * $k + $b));
}
$colarea[3] = array(array($lowx, $highy), array($highx, $highy));
$cb = array();
for ($i = 0; $i < 4; ++$i) {
$cb[$i] = new Plot\LinePlot(array($colarea[$i][0][1], $colarea[$i][1][1]), array($colarea[$i][0][0], $colarea[$i][1][0]));
$cb[$i]->SetFillColor($this->iColorSpec[$this->iColorMap][$i]);
$cb[$i]->SetFillFromYMin();
}
$graph->Add(array_slice(array_reverse($cb), 0, 4));
$this->graph = $graph;
}
