Inizializzazione

jpgraph-3.5.0b1/src/Examples/combgraphex2.php

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+<?php // content="text/plain; charset=utf-8"
+require_once ('../jpgraph.php');
+require_once ('../jpgraph_mgraph.php');
+require_once ('../jpgraph_line.php');
+require_once ('../jpgraph_bar.php');
+require_once ('../jpgraph_utils.inc.php');
+
+//------------------------------------------------------------------
+// Create some random data for the plot. We use the current time for the
+// first X-position
+//------------------------------------------------------------------
+$datay = array();
+$datax = array();
+$ts = time();
+$n=70; // Number of data points
+for($i=0; $i < $n; ++$i ) {
+    $datax[$i] = $ts+$i*150000; 
+    $datay[$i] = rand(5,60);
+    $datay2[$i] = rand(1,8);
+}
+
+// Now get labels at the start of each month
+list($tickPositions,$minTickPositions) = DateScaleUtils::getTicks($datax,DSUTILS_MONTH1);
+
+// Now create the real graph
+// Combine a line and a bar graph
+
+// We add some grace to the end of the X-axis scale so that the first and last
+// data point isn't exactly at the very end or beginning of the scale
+$grace = 400000;
+$xmin = $datax[0]-$grace;
+$xmax = $datax[$n-1]+$grace;;
+
+// Overall width of graphs
+$w = 450;
+// Left and right margin for each graph
+$lm=25; $rm=15; 
+
+//----------------------
+// Setup the line graph
+//----------------------
+$graph = new Graph($w,250);
+$graph->SetScale('linlin',0,0,$xmin,$xmax);
+$graph->SetMargin($lm,$rm,10,30);
+$graph->SetMarginColor('white');
+$graph->SetFrame(false);
+$graph->SetBox(true);
+$graph->title->Set('Example of combined graph with background');
+$graph->title->SetFont(FF_ARIAL,FS_NORMAL,14);
+$graph->xaxis->SetTickPositions($tickPositions,$minTickPositions);
+$graph->xaxis->SetLabelFormatString('My',true);
+$graph->xgrid->Show();
+$p1 = new LinePlot($datay,$datax);
+$graph->Add($p1);
+
+//----------------------
+// Setup the bar graph
+//----------------------
+$graph2 = new Graph($w,110);
+$graph2->SetScale('linlin',0,0,$xmin,$xmax);
+$graph2->SetMargin($lm,$rm,5,10);
+$graph2->SetMarginColor('white');
+$graph2->SetFrame(false);
+$graph2->SetBox(true);
+$graph2->xgrid->Show();
+$graph2->xaxis->SetTickPositions($tickPositions,$minTickPositions);
+$graph2->xaxis->SetLabelFormatString('My',true);
+$graph2->xaxis->SetPos('max');
+$graph2->xaxis->HideLabels();
+$graph2->xaxis->SetTickSide(SIDE_DOWN);
+$b1 = new BarPlot($datay2,$datax);
+$b1->SetFillColor('teal');
+$b1->SetColor('teal:1.2');
+$graph2->Add($b1);
+
+//-----------------------
+// Create a multigraph
+//----------------------
+$mgraph = new MGraph();
+$mgraph->SetImgFormat('jpeg',60);
+$mgraph->SetMargin(2,2,2,2);
+$mgraph->SetFrame(true,'darkgray',2);
+$mgraph->SetBackgroundImage('tiger1.jpg');
+$mgraph->AddMix($graph,0,0,85);
+$mgraph->AddMix($graph2,0,250,85);
+$mgraph->Stroke();
+
+?>
+
+