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[aprssig] APRS presentations

Brian B. Riley brianbr at mac.com
Wed Oct 8 16:16:11 UTC 2008


  The usual cause for this 'bloat' in PowerPoint is the inclusion of  
huge source images. Even though you scale and crop down your 3K by 2K  
image what gets displayed is scaled to the  800x600/1024x768 display,  
the original image gets stored in the PPT in its original form.  So if  
you do a 'montage' page with four to six images that are 480x360 each  
in the display but all started as 3Kx2K or 2Kx1.5K, you will have a  
page that takes many seconds to render and whose PPT is huge!

Since the final display is at modest resolution anyway , I take my  
images to be used, make copies of them in a separate folder and reduce  
the copies  to 1024x768. Then  the resulting PPT is reasonably sized  
and each slide renders rapidly.


On Oct 8, 2008, at 9:52 AM, Robert Bruninga wrote:

>> Attached... is a PowerPoint - 8.6Meg.
>> It is from Bob's FrostFest 08 with
>> considerable modification.
>
> That orginal APRS-by-bob file was huge due to unknown Microsoft
> *bloat*.  It was later re-saved in only 3+ megs.  It won't have
> your changes, but it does have my significant revisions since
> then through my most recent presentation at DCC.  It is at the
> top of the new www.aprs.org site.
>


--
cheers ... 73 de brian  riley,  n1bq , underhill center, vermont
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