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site/jpgraph/Examples/odoex03.php 3.3 KB
8ec98c9f   Guillaume   MAJ
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  <?php
  //=============================================================================
  // File:	ODOEX03.PHP
  // Description: Example 1 for odometer graphs
  // Created:	2002-02-22
  // Version:	$Id$
  // 
  // Comment:
  // Example file for odometer graph. This examples extends odoex02
  // by changing scale tick interval and scale fonts.
  //
  // Copyright (C) 2002 Johan Persson. All rights reserved.
  //=============================================================================
  require_once ('jpgraph/jpgraph.php');
  require_once ('jpgraph/jpgraph_odo.php');
  
  //---------------------------------------------------------------------
  // Create a new odometer graph (width=250, height=200 pixels)
  //---------------------------------------------------------------------
  $graph = new OdoGraph(250,200);
  $graph->SetShadow();
  
  //---------------------------------------------------------------------
  // Specify title and subtitle using default fonts
  // * Note each title may be multilines by using a '\n' as a line
  // divider.
  //---------------------------------------------------------------------
  $graph->title->Set("Odometer title");
  $graph->title->SetColor("white");
  $graph->subtitle->Set("2002-02-13");
  $graph->subtitle->SetColor("white");
  
  //---------------------------------------------------------------------
  // Specify caption.
  // * (This is the text at the bottom of the graph.) The margins will
  // automatically adjust to fit the height of the text. A caption
  // may have multiple lines by including a '\n' character in the 
  // string.
  //---------------------------------------------------------------------
  $graph->caption->Set("First caption row\n... second row");
  $graph->caption->SetColor("white");
  
  //---------------------------------------------------------------------
  // Now we need to create an odometer to add to the graph.
  // By default the scale will be 0 to 100
  //---------------------------------------------------------------------
  $odo = new Odometer(); 
  
  //---------------------------------------------------------------------
  // Set color indication 
  //---------------------------------------------------------------------
  $odo->AddIndication(0,50,"green");
  $odo->AddIndication(50,80,"yellow");
  $odo->AddIndication(80,100,"red");
  
  //---------------------------------------------------------------------
  // Adjust scale ticks to be shown at 10 steps interval and scale
  // labels at every second tick
  //---------------------------------------------------------------------
  $odo->scale->SetTicks(10,2);
  
  //---------------------------------------------------------------------
  // Use a bold font for tick labels
  //---------------------------------------------------------------------
  $odo->scale->label->SetFont(FF_FONT1, FS_BOLD);
  
  //---------------------------------------------------------------------
  // Set display value for the odometer
  //---------------------------------------------------------------------
  $odo->needle->Set(30);
  
  //---------------------------------------------------------------------
  // Add the odometer to the graph
  //---------------------------------------------------------------------
  $graph->Add($odo);
  
  //---------------------------------------------------------------------
  // ... and finally stroke and stream the image back to the browser
  //---------------------------------------------------------------------
  $graph->Stroke();
  
  // EOF
  ?>