Works wonders.
Neil
> -----Original Message-----
> From: Kevin Graeme [mailto:[EMAIL PROTECTED]
> Sent: 26 November 2003 04:42
> To: CF-Talk
> Subject: Re: Resize Image ?
>
>
> Okay, based on those parameters, the two best options are probably:
>
> 1. Only use the one image. Make the original images in jpg
> and simply resize
> in display code using either html or css. This is basically
> what you've been
> doing now, but you've been using GIF which doesn't scale well
> because it's
> an indexed color image. This might be the best approach if
> your two sizes
> are within about 10% of each other. The quality difference is
> likely to be
> negligible, and the caching benefit will be the major factor.
> But only you
> can be the judge of quality for your needs.
>
> 2. Scale the images with reinterpolation and save the new
> image at the new
> size. Then upload both the original and scaled set each day.
>
> There are various desktop tools that will take mere seconds
> to work through
> the 40 images. Two that come to mind are xnview (I use this) which is
> freeware and IrfanView which is free for non-profit.
> http://www.xnview.com
> http://www.irfanview.com/
>
> When resizing, these tools allow for scaling to a percentage
> or a set width,
> keeping proportion, etc. They can change image format, and
> even do some
> simple image manipulations like blur, color shift, etc. And I
> find them to
> be a lot faster than Fireworks or Photoshop. (Possibly at an
> expense of
> absolute quality, but I haven't had a problem.)
>
> The reason I didn't suggest a server-based image resizing
> method is because
> you have one person uploading the images, they're doing it
> with ftp instead
> of a web interface. If you were using a web interface, I would have
> suggested maybe using a server-side conversion on upload that
> would save the
> resized image to a static file and entered both into the
> database. A little
> more load on the server, but not too bad. And if multiple,
> user-defined
> sizes served up on demand was paramount even over server load
> and serving
> time, then I'd say go with a display time dynamic rescaling option.
>
> Sometimes a simple solution is best.
>
> -Kevin
>
>
> ----- Original Message -----
> From: "Bailey, Neal" <[EMAIL PROTECTED]>
> To: "CF-Talk" <[EMAIL PROTECTED]>
> Sent: Tuesday, November 25, 2003 3:56 PM
> Subject: RE: Resize Image ?
>
>
> >
> > Good questions Kevin,
> >
> > Ok Here goes...
> >
> >
> > Givens:
> > 1. We have 8743 different images of users. All in .gif format.
> > 2. I want to show the current image 174x205px, a little
> smaller without
> > being jagged.
> >
> > Answers to questions:
> >
> > 1. Yes an associate edits and uploads about 40 images everyday.
> > 2. The images are uploaded by FTP by the above person.
> > 3. Yes page load is always a concern.
> > 4. Server performance is a very high concern as this is
> running off of
> huge
> > database and is hosting about 40 websites not including the
> templates.
> >
> > I am thinking that my only option is to run a massive image
> resize batch.
> >
> > Now I have a new question... what's a good way to batch
> 8000+ images at
> > once. Fireworks MX seems to get increasingly slower after
> it has batched a
> > lot of images. I tried to batch 500 images with Fireworks
> and at around
> > image 300 it was taking about 40 seconds to batch each image.
> >
> >
> > - Neal Bailey
> >
> >
> > -----Original Message-----
> > From: Kevin Graeme [mailto:[EMAIL PROTECTED]
> > Sent: Tuesday, November 25, 2003 2:58 PM
> > To: CF-Talk
> > Subject: Re: Resize Image ?
> >
> > Okay, let's back up.
> >
> > Givens:
> > 1. You've got 5000+ "mug shots" ;-).
> > 2. You want to show them at a large size and a small size.
> >
> > Questions:
> > 1. Is the number of images ever going to change?
> > 2. If so, who puts the new images on the site? Is it the
> webmaster with
> ftp
> > or is it system users through a web interface?
> > 3. Are you concerned with the page load time for users?
> > 4. How concerned are you about server load/performance?
> >
> > -Kevin
> >
> > ----- Original Message -----
> > From: "Bailey, Neal" <[EMAIL PROTECTED]>
> > To: "CF-Talk" <[EMAIL PROTECTED]>
> > Sent: Tuesday, November 25, 2003 2:34 PM
> > Subject: RE: Resize Image ?
> >
> > > Yeah this is what I'm looking for...
> > >
> > > ...Still looking...
> > >
> > > - Neal Bailey
> > >
> > >
> > > -----Original Message-----
> > > From: Tony Weeg [mailto:[EMAIL PROTECTED]
> > > Sent: Tuesday, November 25, 2003 2:23 PM
> > > To: CF-Talk
> > > Subject: RE: Resize Image ?
> > >
> > > isnt there some java image manipulation technique you could use to
> perform
> > > this operation on the thumbnails?
> > >
> > > ...tony
> > >
> > > tony weeg
> > > senior web applications architect
> > > navtrak, inc.
> > > www.navtrak.net
> > > [EMAIL PROTECTED]
> > > 410.548.2337
> > >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> > > Sent: Tuesday, November 25, 2003 3:19 PM
> > > To: CF-Talk
> > > Subject: RE: Resize Image ?
> > >
> > > if you give them correct porportions they shouldnt heres
> a simple one i
> > did
> > > http://www.theholegang.com/ <http://www.theholegang.com/>
> > <http://www.theholegang.com/> other than ppl
> > > uploading diffent sized images
> > > its ok well at least to me, but im blonde too
> > >
> > >
> > > > Yes I know, this is what I am doing now... But it
> looses quality and
> > > > becomes jagged. Not really noticeable on higher res monitors but
> > > > unfortunate our users are on lower res systems and are
> complaining
> > > > about the image quality.
> > > >
> > > > What I have is about 5000 mug shots of people that I am
> displaying on
> > > > my page one at the normal size which looks fine and one
> as a thumbnail
> > > > which looks crappy.
> > > >
> > > > I was hoping that there was some type of _javascript_ that would
> > > > process the image on load before the web browser messed it up.
> > > >
> > > > - Neal Bailey
> > > >
> > > > -----Original Message-----
> > > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> > > > Sent: Tuesday, November 25, 2003 2:02 PM
> > > > To: CF-Talk
> > > > Subject: Re: Resize Image ?
> > > >
> > > > its simple, just make your image place holder the size
> u want the
> > > > image to be, i do that instead of thumbnails all the time ;)
> > > >
> > > >
> > > >
> > > >> Hey guys,
> > > >>
> > > >> Is there a way to resize an image to be smaller with
> out it loosing
> > > >> quality and becoming jagged? Meaning if I have an image that is
> > > >> 120x120px and I want to resize it to 100x100px without
> loading two
> > > >> different images. Does this make sense...
> > > >>
> > > >> I want to use just one image but I need to show it
> into two places
> > > >> one being a little smaller.
> > > >>
> > > >> Thanks,
> > > >> - Neal Bailey
> > > >>
> > > >>
> > > >>
> > > > _____
> > > >
> > > >
> > > >
> > >
> > >
> > > _____
> > >
> > >
> > >
> > _____
> >
> >
> >
>
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