Image distortion: contiguous black regions of .bmp images mysteriously filled with white

[Vinson, David]

Check "source color key" for the offending images (upper left quadrant), this setting permits partial transparency of a certain color. Maybe it's set for only one of your display objects?


----- Reply message -----
From: "Laine" <lainestranahan at gmail.com>
To: "e-prime at googlegroups.com" <e-prime at googlegroups.com>
Subject: Image distortion: contiguous black regions of .bmp images mysteriously filled with white
Date: Tue, Jul 16, 2013 3:15 am



Hi all,

I'm completely new to E-Prime and have inherited some scripts from an experimenter (now-departed) for an eye-tracking study in which one slide is presented with a set of images (.bmp) on it, one per quadrant, then the next slide displays the exact same images but with one additional image per quadrant. Everything displays fine until the second slide, when both images in the top left quadrant (and only that quadrant) with significant contiguous regions of black suddenly have those regions of black partially filled with white as though some sort of smart autofill Photoshop-type operation were being applied. (Sorry, no screenshots at the moment.)

I'm not sure where to begin looking for the problem. Anyone have any ideas?

Laine

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