image 'stretch' but maintaining aspect ratio

[ben robinson]

michael's probably got the better suggestion, but i have done this in eprime.
it requires, as he said, knowing the base size of the pictures.  find
this info by right clicking on each of your picture's icons in
windows, selecting properties, and then entering the horizontal and
vertical pixel information into a List object in eprime.
unfortunately, i know of no way to do this but by hand.
next you would set your SlideImage object's y-resolution to be a fixed
value, say 500 pixels high, and its x-resolution to be [(the original
y-res) divided by 500 multiplied by (the original x-res)].

ben

On Thu, Dec 8, 2011 at 6:23 AM, Michiel Spape
<Michiel.Spape at nottingham.ac.uk> wrote:
> Hi,
> E-Prime is, of course, not quite as convenient as current web-standards, but I see no reason it should be _that_ difficult to arrange. That is, if your images all need to be 500 pixels high, say, and your picture is 200x400, can't you just stretch it by 25% (i.e. width and height become 500/400=125%, or 250x500)? The only thing required is that you need to know the base size of your pictures prior to the stretching operations.
> Two points, however: E-Prime stretches incredibly badly, it does no form of anti-aliasing whatsoever, so your pictures will become degraded in quality. A lot. Secondly, on that point, and given that it's still science-related, I think it is much better practise to do such things off-line (in photoshop or whatever) - keeping the quality somewhat high and knowing full well in advance what you're going to get. It's a bit of work, but well worth it, generally.
> Cheers,
> Mich
>
> Dr. Michiel M. Sovijärvi-Spapé
> Research Fellow
> Perception & Action group
> University of Nottingham
> School of Psychology
> www.cognitology.eu
>
>
> -----Original Message-----
> From: e-prime at googlegroups.com [mailto:e-prime at googlegroups.com] On Behalf Of JACanterbury
> Sent: 08 December 2011 10:47
> To: E-Prime
> Subject: image 'stretch' but maintaining aspect ratio
>
> Hi all,
>
> My research indicates that the answer to my question is 'No' but I
> thought I'd try a quick post incase someone has found a way to do
> this.
>
> I want to display images without altering the aspect ratio (ie width
> to height proportions) but to fix one of the dimensions, e.g. height
> and leave eprime to set the appropriate width so that the image
> doesn't get stretched/squashed. (easy in css but I haven't seen how it
> can be done in eprime)
>
> Any thoughts?
>
> Many thanks,
>
> John
>
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