background color in Images

[Ana María]

Hi!

I have a little problem programing my experiment. 

I am modifying the Click and Drag  routine that there is available in the samples, to show only two circles that can be moved. I have replaced the SlideText for a SlideImage and put the pictures that I need (two different circles, with different colors and words inside). Everything runs perfect, but my problem is that when I run the scenario, the pictures appear with a background color that was not originally there. The background is black (if the picture is in *tiff or *png format) or  white (if the picture is in jpg or bmp). Do you know why E-PRIME could do this? In the properties of the Image I have set the BackStyle as Transparent...

Thank you very much!!

Ana. 

 

[Dilip Kumar]

Dear Ana,

Even I do not have that much experience using E-prime but I can suggest what you can do and hope it works out for you.

Change the backstylist back to opaque from transparent, keep the default settings. BMP is considered standard format for presenting image stimulus using E-prime and I was also suggested for using bmp image format by seniors.

If you want to change the background color of the image object on the slide(not the image itself), you can do that by choosing image object, go to properties, under general tab you will find source key color and back color options. Source key color applies to the stimulus and backcolor applies to background. You can play around with these options to observe and get your desired outcome.

I hope it resolves your issues.

Best Regards,

Dilip