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Thread: Style error on long file (case 11457)

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  1. #1

    Style error on long file (case 11457)

    I am having an issue with running one of my input files. It is about 9,000 trials long with two stimuli displayed at each trial. Whenever I try to run the file it gives me the error "Row 8947 requests style code 8946, which does not exist in the style file (.drt) for this session." The numbers sometimes change and row 8947 requests style 9 for me. Also, whenever I cut the experiment in half and run each separately they both work fine. I suspect that Directrt has some sort of limit on trial number but I have been unable to find anything so far. Are my suspicions correct?
    Last edited by jason_reed; 11-11-2013 at 05:14 PM.

  2. #2
    Join Date
    Feb 2013
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    1,093
    Wow, 9000 trials! That is the largest input file I've heard of (so far). So, congratulations on really getting your use out of DirectRT. Let me see what I can do to get it work as you would like.

    Can you send me a copy of your input file? I'd be happy to take a look at it.
    Jason Reed
    Empirisoft Software Support Specialist

  3. #3

    style error on long file

    Quote Originally Posted by jason_reed View Post
    Wow, 9000 trials! That is the largest input file I've heard of (so far). So, congratulations on really getting your use out of DirectRT. Let me see what I can do to get it work as you would like.

    Can you send me a copy of your input file? I'd be happy to take a look at it.

    Hi Jason,

    Thanks for the quick reply. The file is so long because we include several repetitions of the code to force particular correct responses as a function of prior ones. We may have been able to do this much more easily with error feedback, but that function has never worked properly on the virtual machines we use. I've attached the input and style file.

    -Chris
    Attached Files Attached Files

  4. #4
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    Could you also send me a copy of the TrackPerformance.txt file in the DirectRT folder?
    Jason Reed
    Empirisoft Software Support Specialist

  5. #5

    Style error on long file

    Quote Originally Posted by jason_reed View Post
    Could you also send me a copy of the TrackPerformance.txt file in the DirectRT folder?
    Sure. Here's the file.
    Attached Files Attached Files

  6. #6
    Join Date
    Feb 2013
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    1,093
    A couple of somewhat random questions:

    Can you see if your input file runs if you replace the Codes of 0 and 8490 in your Style file with some other numbers like 10 and 11?

    Are your image files all .bmps?

    Are your screen resolution and the screen size setting in your Styles file (click the Options button to find it) the same? If not, try manually setting them to match.

    Have you tried to run one or two files from the Samples folder that came with DirectRT to see if you get any error messages, especially one at the end of the file suggesting that you check the TrackPerformance file?
    Jason Reed
    Empirisoft Software Support Specialist

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