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Mailinglist:proj-imim
Sender:Helmut Dersch
Date/Time:2000-May-13 20:43:57
Subject:Slow image download in PTViewer/IE

Thread:


proj-imim: Slow image download in PTViewer/IE Helmut Dersch 2000-May-13 20:43:57
I have the following theory about this problem:

To remove the image size limit in Netscape, I am loading
the panoramic image in chunks of 500k Pixels. On IE this
results in several downloads of the whole image file.
Eg, if the image is downloaded in 3 chunks, IE downloads
the whole image three times, for unknown reasons.
I suggest to set the maxarry parameter so that IE loads 
the image in one piece. The following piece of javascript
code should do that:

<script language="JavaScript">
   if (navigator.appName != 'Netscape') 
     document.write('<PARAM name=maxarray 		value="5000000">');
 </script>

It sets the size to 5M Pixels on any non-Netscape browser.
I hope this solves the problem.


Helmut Dersch



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