[AccessD] OT: photo size on web site

Jim Lawrence (AccessD) accessd at shaw.ca
Tue Jun 3 12:48:26 CDT 2003


Hi John:

Do you have any photo-editing programs. Adobe Photoshop, Corel, Photo Paint,
Fireworks etc?? In these type of programs are the only place properly edit
these pictures. First reduce the picture dpi to 72 anything larger is a
waste. That will reduce most of the size. If the picture is still too large
reduce it appropriately by using the 'canvas' option. There should be no
loss in quality! If you have access to a program like Adobe ImageReady or
again Fireworks you now have access to any excellent set of routines for
expertly reducing the images for web display. No thumb-nail image should
exceed 10K and no full-size image should exceed 50K. The recommended maximum
for any one web page is 50 to 60K.

Jim

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com]On Behalf Of John Colby
Sent: Tuesday, June 03, 2003 7:21 PM
To: accessd at databaseadvisors.com
Subject: RE: [AccessD] OT: photo size on web site


LOL.  I saved them as JPEG, compressed waaaay down from the original (about
1/10th the original file size).  The original was a 3.2 mpixel at about 1.5
mbyte.  The pictures on the site are about 150 kbytes.  Any more compression
and they look horrible.  The compression and file size has nothing to do
with the pixels though.  The image is still a 3.2 mpixel image, it's just
highly compressed.

The way it was explained in something I read is that since the image is 2048
x 1536 pixels, if the user downloading the picture is displaying 800x600,
only a very small part is going to display on the screen, requiring
scrolling.  Thus I need a method of constraining the display in a frame
inside my site, where the entire image will be automatically sized to fit
inside the frame.

John W. Colby
www.colbyconsulting.com

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com]On Behalf Of Stuart
McLachlan
Sent: Tuesday, June 03, 2003 10:10 PM
To: accessd at databaseadvisors.com
Subject: Re: [AccessD] OT: photo size on web site


On 3 Jun 2003 at 21:51, John Colby wrote:

> I am trying to work with photos on a web site.  I have created a flash
photo
> album with a bunch of thumbnails.  When you click on any thumbnail, the
> photo is loaded into the browser.  Because of the resolution of my camera
> (apparently), the picture is huge, with most of the picture off of the
page.
> Is there any way short of saving the file back out as (perhaps) a 640 x
480
> file to cause the photo to load with the whole thing viewable on the
screen.
>
> I am trying to do this on my web site, to display photos of my son I have
> taken with my digital camera.  It seems that one could use an image
object,
> and load the picture into that image object (control) on a web page.  I am
> using Dreamweaver.
>
> You can see what I am talking about by visiting my site and clicking the
> bottom button - "Meet my son".
>
No way am I going to try it if you have photos that size on the site
:-)

You *could* make it viewable on screen by setting the properties of
the img  like this:
<img src="images/myphoto.jpg" width="640" height="480">

But that would be VERY rude to the people using the site who would
suffer from long slow downloads and waste a h*ll of a lot of
bandwidth since they would still be downloading the huge files.

The simple answer is that web graphics should be optimized for web
view before you put them on the web site.  There is no point on
downloading a 500KB file at 1800 x 1200 or whatever and squeezing it
into a 600 x 400  frame when you could just download  a 50KB 600 x
400 file in 1/10th of the time.

In this case, grab a copy of Irfanview and resize/resample the
pictures down to the size you want them to be with a jpg compression
of about about 70%.  The pictures will look great on screen but will
be quick to load and won't use a lot of bandwidth/web server storage
space.


--
Lexacorp Ltd
http://www.lexacorp.com.pg
Information Technology Consultancy, Software Development,System
Support.



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