[OM] Re: EXIF data in Singapore [was web site recommendations]

[Moose]

Moose wrote:
> I finally got around to trying this. It works great.
And here's a version that is more readable and adds ISO, EV and 35mm eq. 
fl for selected cameras that aren't FF. You have to enter your own 
cameras into the code.

Moose
--------------------------------------------------
<?php
require_once('includes/exif.php');
$exifdata = read_exif_data_raw($sg->image->realPath(), 0);
if ($exifdata['IFD0']['Make'] != "")
{
   $cammake = $exifdata['IFD0']['Make'];
   $cammodel = $exifdata['IFD0']['Model'];
   // Remove trailing ? from camera info. Why is it there?
   $cammake = substr($cammake, 0, -1);
   $cammodel = substr($cammodel, 0, -1);
   $evx = round(substr($exifdata['SubIFD']['ExposureBiasValue'], 0, 7), 2);

   if ($cammodel == 'Canon PowerShot A650 IS') {
       $flmult = 4.73;
   } elseif ($cammodel == 'Canon PowerShot A710 IS') {
       $flmult = 6.03;
   } elseif ($cammodel == 'Canon EOS DIGITAL REBEL') {
       $flmult = 1.6;
   }  elseif (substr($cammodel, 0, 11) == 'FinePix F10') {
       $flmult = 4.375;
   }  elseif (substr($cammodel, 0, 11) == 'FinePix F30') {
       $flmult = 4.375;
   }  else {
       $flmult = 1;
   }

   $fl35mm =  round($flmult * $exifdata['SubIFD']['FocalLength'], 1);

   if ($flmult == 1)
       $fldisplay = "| Focal length: " . 
$exifdata['SubIFD']['FocalLength'] . " ";
   else
       $fldisplay = "| Focal length: " . 
$exifdata['SubIFD']['FocalLength'] . " (" . $fl35mm . "mm) ";

   if (substr($cammake, 0, 5) <> 'Canon')
       $cammodel =  $cammake . " " .  $cammodel;

   echo "<p>Camera: " . $cammodel . " ";
   echo "| Exposure time: " . $exifdata['SubIFD']['ExposureTime'] . " ";
   echo "| ISO Speed: " . $exifdata['SubIFD']['ISOSpeedRatings'] . " ";
   echo ", " . $evx . " EV ";
   echo $fldisplay;
   echo "| F-stop: " . $exifdata['SubIFD']['FNumber'] . "</p>";
}

?>

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