How to download an image without its background

[gilis]

I realy shoud buy you a present :)

On 9 מרץ, 12:48, Michiel Spape <Michiel.Sp... at nottingham.ac.uk> wrote:
> Hi,
> You seem to really like canvas... I remember you had another problem with err, uploading an image, and thought canvas would help there as well :) I assume you can do such things with canvas programming, but the answer is far easier. Have a look at the transparency property in the help files: take a slide, insert a picture there with, as you say, a white background, change its transparency property to transparent, its source colour to white, use source colour to yes, and bingo: every white pixel is replaced by whatever is presented underneath this image.
> Cheers,
> 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: 09 March 2010 10:24
> To: E-Prime
> Subject: How to download an image without its background
>
> Hi,
>
> In my experiment I use flankers. One of those should appear in the
> center of the display, in the middle of the stimulus. It have to be
> transparent obviously so the stimulus could be seen fully. The problem
> is that I can't create flanker image which contain only the flanker
> itself, without background. So it maens that the flanker has
> background (white) which cover part of the stimulus.
>
> I was thinking that maybe there is away to insert inline command that
> will upload the flanker image from the folder-but with out the
> background. Meaning that it will upload anything that is not white. I
> just don't know how to do that, I assume that it's involved with
> canvasing.
>
> Would be very very grateful for help on this.
>
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