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savew3d function increases the size of the file??!! - Macromedia Director 3D

I am working with savew3d function, but a problem comes. I have a w3d file of 100 Kb and a 2 jpgs of 20 Kb and 50 Kb respectively. I create a new w3d file using those 3 files and the result is: a 410 Kb size file!!! Using 170 Kb I get a 410 Kb!!!! The size increases very much, so the solution of using savew3d is worse than loading the original 3 files. It seems that the jpg files are decompressed!!! Is there way to create w3d of low size??...

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  1. #1

    Default savew3d function increases the size of the file??!!

    I am working with savew3d function, but a problem comes.
    I have a w3d file of 100 Kb and a 2 jpgs of 20 Kb and 50 Kb respectively.
    I create a new w3d file using those 3 files and the result is: a 410 Kb size
    file!!!
    Using 170 Kb I get a 410 Kb!!!!
    The size increases very much, so the solution of using savew3d is worse than
    loading the original 3 files.
    It seems that the jpg files are decompressed!!!
    Is there way to create w3d of low size??


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    cubelan2 Guest

  2. #2

    Default Re: savew3d function increases the size of the file??!!

    Yes, the jpeg files are decompressed. This is not a w3d thing as much
    as a Director thing. Director's internal #bitmap format is, well, a
    bitmap. ogous to the .bmp files we all know and love, but with an
    alpha channel. If you bring in a jpg into Director, then save the
    Director file, it will increase by the size of the bitmap... not the
    size of the jpg. It has always been that way.

    You can shrink the size of the image that Director stores by lowering
    the bit depth (Modify, Transform Bitmap). Set the bit depth as low as
    yuo want... of course you will lose quality with lower bit depths... you
    lose the alpha channel with anything less than 32 bit, but that is no
    great loss if you don't have transparency. If you know your image has a
    limited color palette, then lowering the bitdepth further can be helpful.

    Bear in mind that changing the bit depth is not undo-able, so make sure
    you save your file before experimenting...
    Mike Guest

  3. #3

    Default Re: savew3d function increases the size of the file??!!

    Good answer.
    Thank you very much.
    cubelan2 Guest

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