[magick-users] Resizing to minimum res and filter question

[David Di Biase]

Some help would be wonderful, the help files/references are usually really
good for solving this quickly, but I can't seem to find a proper solution
myself. The right push would be nice :-)

On Sat, Mar 28, 2009 at 3:41 PM, David Di Biase <dave.dibiase at gmail.com>wrote:

> Hi there,
>
>
> I'm writing  a script to pump random images to my users browsers (Flash
> application). I'm doing this in PHP and converting usually 1k-2k image files
> on the fly to a standard set of monitor sizes then caching them (to not kill
> my server). This is the original line I was using:
>
> shell_exec("convert {$file} -filter Lanczos -quality 50% -resize
> '{$browser[1]}x{$browser[2]}<' '{$file_generated}'");
>
> Say I set my dims to 1024x768 the file generated is ending up as 1900x1200
> for some reason. My goal is to resize an image within the minimum set
> dimension and keep the aspect ratio as is.
>
> The other question I have is, what's the best resize filter for large
> images (of usually TIFF format)? I'm using Lanczos at the moment but I was
> wondering if there was something better.
>
> Thanks,
>
> Dave
>