<?php
include 'classes/NexradDecoder.php';
// Composite Reflectivity is encoded as a Raster Image, so we'll use
// the Raster Packet Decoder class.
include 'classes/RasterPacketDecoder.php';
$crDecoder = new RasterPacketDecoder();
$crDecoder->setFileResource('/tmp/sn.last');
// Now we decode all the available blocks.
$headers = $crDecoder->parseMHB();
$description = $crDecoder->parsePDB();
$symbology = $crDecoder->parsePSB();
if ($description['graphicoffset'] != 0) {
$graphic = $crDecoder->parseGAB();
}
$width = 464;
$height = 464;
$im = @imagecreatetruecolor($width, $height);
imageantialias($im, true);
imagealphablending($im, true);
$background_color = ImageColorAllocate($im, 0, 0, 0);
imagefilledrectangle($im, 0, 0, $width, $height, $background_color);
$color[0] = ImageColorAllocate($im, 0, 0, 0);
$color[1] = ImageColorAllocate($im, 0, 234, 236);
$color[2] = ImageColorAllocate($im, 1, 160, 246);
$color[3] = ImageColorAllocate($im, 0, 0, 246);
$color[4] = ImageColorAllocate($im, 0, 255, 0);
$color[5] = ImageColorAllocate($im, 0, 200, 0);
$color[6] = ImageColorAllocate($im, 0, 144, 0);
$color[7] = ImageColorAllocate($im, 255, 255, 0);
$color[8] = ImageColorAllocate($im, 231, 192, 0);
<?php
include 'classes/NexradDecoder.php';
include 'classes/RasterPacketDecoder.php';
$reflectivityDecoder = new RasterPacketDecoder();
$reflectivityDecoder->setFileResource('c:\\nexrad\\sn.last.cr');
$headers = $reflectivityDecoder->parseMHB();
$description = $reflectivityDecoder->parsePDB();
$symbology = $reflectivityDecoder->parsePSB();
print_r($headers);
print_r($description);
print_r($symbology);