Inizializzazione

jpgraph-3.5.0b1/src/Examples/odotutex13.php

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+<?php
+require_once ('jpgraph/jpgraph.php');
+require_once ('jpgraph/jpgraph_odo.php');
+
+// Create a new odometer graph (width=250, height=200 pixels)
+$graph = new OdoGraph(250,150);
+
+$graph->title->Set('Example with scale indicators');
+
+// Add drop shadow for graph
+$graph->SetShadow();
+
+// Now we need to create an odometer to add to the graph.
+// By default the scale will be 0 to 100
+$odo = new Odometer(ODO_HALF);
+
+// Add color indications
+$odo->AddIndication(0,20,"green:0.7");
+$odo->AddIndication(20,30,"green:0.9");
+$odo->AddIndication(30,60,"yellow");
+$odo->AddIndication(60,80,"orange");
+$odo->AddIndication(80,100,"red");
+
+$odo->SetCenterAreaWidth(0.45);
+
+// Set display value for the odometer
+$odo->needle->Set(90);
+
+// Add scale labels
+$odo->label->Set("mBar");
+$odo->label->SetFont(FF_FONT2,FS_BOLD);
+
+// Add drop shadow for needle
+$odo->needle->SetShadow();
+
+// Add the odometer to the graph
+$graph->Add($odo);
+
+// ... and finally stroke and stream the image back to the browser
+$graph->Stroke();
+?>