[mapguide-users] FORMAT=PNG, GIF,JPG

[Andrew DeMerchant]

Wow...ok, then I can only imagine how crappy 7 looks!

Walt Welton-Lair wrote:
> In the API we call it's out of 100.
>
> ------------------------------------------------------------------------
> *From:* Andrew DeMerchant [mailto:andrew.demerchant at gemtec.ca]
> *Sent:* Thursday, August 17, 2006 9:58 AM
> *To:* users at mapguide.osgeo.org
> *Subject:* Re: [mapguide-users] FORMAT=PNG, GIF,JPG
>
> I'm totally just coming in in the middle of this, but JPG compression 
> is generally out of 10, not 100 (sometimes 12, if you use photoshop). 
> You might double check that...
>
> Traian Stanev wrote:
>> 100? I thought it was out of 10... I guess that explains why, hehe.
>>
>> ------------------------------------------------------------------------
>> *From:* Walt Welton-Lair
>> *Sent:* Wednesday, August 16, 2006 6:50 PM
>> *To:* users at mapguide.osgeo.org
>> *Subject:* RE: [mapguide-users] FORMAT=PNG, GIF,JPG
>>
>> Yeah, looking at the source it passes a value of 7 for the quality.  
>> That's out of a 100, so it's pretty low.  And there's no way to 
>> change this right now other than modifying the source and rebuilding.
>>  
>> You should enter this as an enhancement artifact / wish-list item.  
>> Seems like a useful setting to be able to control.
>>  
>> Walt
>>
>> ------------------------------------------------------------------------
>> *From:* Gord McKenzie [mailto:gord.mckenzie at canam.com]
>> *Sent:* Wednesday, August 16, 2006 6:28 PM
>> *To:* users at mapguide.osgeo.org
>> *Subject:* [mapguide-users] FORMAT=PNG, GIF,JPG
>>
>> Following an answer I picked up on this mailing list, I have tried 
>> setting my FORMAT type to each of the three listed image types.  I do 
>> this in this in the ajaxmappane.templ file.  When working with photos 
>> I get a nice benefit from changing the default from PNG to GIF.  The 
>> GIF images produced in the AJAX viewer are about 1/3^rd the size of 
>> the PNG images.  That has to have a positive impact on performance.
>>
>> However, when I try JPG, the image looks like garbage.  It seems that 
>> the JPG is produced with near maximum compression and so loses almost 
>> all detail.  Can the compression rate be set in some fashion, by 
>> editing a file or adding an argument to the URL constructor?
>>
>> Thanks
>>
>>                        
>>
>
> -- 
> 	*Andrew DeMerchant*
> *Computer Technologist*
> ph.1-877-4GEMTEC x.163
> fax 506-453-9470
>
> /GEMTEC Limited <http://www.gemtec.ca>
> /191 Doak Road
> Fredericton, NB, Canada
> E3C 2E6
>

-- 
	*Andrew DeMerchant*
*Computer Technologist*
ph.1-877-4GEMTEC x.163
fax 506-453-9470

/GEMTEC Limited <http://www.gemtec.ca>
/191 Doak Road
Fredericton, NB, Canada
E3C 2E6

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