83 lines
3.3 KiB
PHP
83 lines
3.3 KiB
PHP
<?php
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//=============================================================================
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// File: ODOEX03.PHP
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// Description: Example 1 for odometer graphs
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// Created: 2002-02-22
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// Version: $Id$
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//
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// Comment:
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// Example file for odometer graph. This examples extends odoex02
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// by changing scale tick interval and scale fonts.
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//
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// Copyright (C) 2002 Johan Persson. All rights reserved.
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//=============================================================================
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require_once ('jpgraph/jpgraph.php');
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require_once ('jpgraph/jpgraph_odo.php');
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//---------------------------------------------------------------------
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// Create a new odometer graph (width=250, height=200 pixels)
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//---------------------------------------------------------------------
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$graph = new OdoGraph(250,200);
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$graph->SetShadow();
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//---------------------------------------------------------------------
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// Specify title and subtitle using default fonts
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// * Note each title may be multilines by using a '\n' as a line
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// divider.
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//---------------------------------------------------------------------
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$graph->title->Set("Odometer title");
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$graph->title->SetColor("white");
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$graph->subtitle->Set("2002-02-13");
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$graph->subtitle->SetColor("white");
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//---------------------------------------------------------------------
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// Specify caption.
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// * (This is the text at the bottom of the graph.) The margins will
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// automatically adjust to fit the height of the text. A caption
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// may have multiple lines by including a '\n' character in the
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// string.
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//---------------------------------------------------------------------
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$graph->caption->Set("First caption row\n... second row");
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$graph->caption->SetColor("white");
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//---------------------------------------------------------------------
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// Now we need to create an odometer to add to the graph.
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// By default the scale will be 0 to 100
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//---------------------------------------------------------------------
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$odo = new Odometer();
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//---------------------------------------------------------------------
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// Set color indication
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//---------------------------------------------------------------------
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$odo->AddIndication(0,50,"green");
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$odo->AddIndication(50,80,"yellow");
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$odo->AddIndication(80,100,"red");
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//---------------------------------------------------------------------
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// Adjust scale ticks to be shown at 10 steps interval and scale
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// labels at every second tick
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//---------------------------------------------------------------------
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$odo->scale->SetTicks(10,2);
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//---------------------------------------------------------------------
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// Use a bold font for tick labels
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//---------------------------------------------------------------------
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$odo->scale->label->SetFont(FF_FONT1, FS_BOLD);
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//---------------------------------------------------------------------
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// Set display value for the odometer
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//---------------------------------------------------------------------
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$odo->needle->Set(30);
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//---------------------------------------------------------------------
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// Add the odometer to the graph
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//---------------------------------------------------------------------
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$graph->Add($odo);
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//---------------------------------------------------------------------
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// ... and finally stroke and stream the image back to the browser
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//---------------------------------------------------------------------
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$graph->Stroke();
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// EOF
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?>
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