Getting different images at the same size

[gilis]

No, you missed nothing-I do.  You are also correct that many times I
ask trivial questions-but hey, many times this great forum (and you!)
helped me.

Regards
Gili

On Apr 29, 5:29 pm, Michiel Spape <Michiel.Sp... at nottingham.ac.uk>
wrote:
> Hi Gilis,
> You seem to consistently come up with odd 'problems'! Anyway, what do you mean, 'download'? Most image search-engines don't specifically search for X pixels (usually a broader range), let alone X visual degrees.
> But I guess that's not really the problem, so, more seriously: what exactly is the problem? You have a slide, you know the size of your images (right click in explorer, go for summary tab, size known, therefore visual degrees can be calculated), you dump the targets and flankers at specific points (X and Y properties), and therefore can fully predict whether they'd be shown at the same distance. I.e., if your pictures are 100 x 100 pixels, and you have three images on one slide, the centre one being the target, just use an attribute to set the Y at 190, 240 and 290 pixels and you know that they appear at exactly those points on the screen, 50 pixels apart from one another (given a resolution of 640 x 480). Am I missing something?
>
> Also, MSPAINT gives pixel-accurate coordinates (to the lower right, if memory serves) for cutting and pasting, should they be too large (at least, I find mspaint to be really convenient for that)
> Best,
> Mich
>
> Michiel Spapé
> Research Fellow
> Perception & Action group
> University of Nottingham
> School of Psychology
>
>
>
> -----Original Message-----
> From: e-prime at googlegroups.com [mailto:e-prime at googlegroups.com] On Behalf Of gilis
> Sent: 29 April 2010 10:42
> To: E-Prime
> Subject: Getting different images at the same size
>
> Hello,
>
> I use different stimuli and flankers in my experiment (JPG files) and
> I want the computer to a. download the different stimuli at the same
> specific size exactly (e.g., 2 visual degrees), and the same thing for
> the  flankers (can be done accurately enough with photoshop-if so, I
> will return to it). b. that the distance between flankers and stimuli
> will allways be the same (I have flanker above and below the stimuli).
> How can it be done?
>
> Regards
> Gilis
>
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