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Neatware Transform
Basic, Command, Types
Home : Last Update: Thu Jul 06 16:26:18 2000

  1. Basic

    Transform completes one or two image or 3D mesh composition in progress. MCL transform can composite a video frame with a still image or a 3D mesh and generates cinematic effects.

  2. Command

    Command _transform argument
    name=transform's name;	default Wipe
    order=inputs order;	default normal with order (snap video)
    duration=seconds of processing;	default 20.0
    progstart=progress starting value in [0.0, 1.0]; default 0.0
    progend=progress end value in [0.0, 1.0];	default 1.0
    progcur=progress current value in [0.0, 1.0];	default 0.0		
    Descriptiotn The attribute name specifies the transform name. order attribute specifies the order of inputs. It has the possible value normal or exchange. The value normal indicates that the first input is from a snap and the second input is from the current video frame. duration attribute is the processing duration of the transform. Its unit is the second. progstart attribute specifies the start value of the progress of the transform; progend, attribute specifies the end value of the progress of the transform; progcur attribute specifies the current start value of the progress. All of them have the value in the range from 0.0 to 1.0.
    _transform {name=Wipe order=exchange 
      duration=20 progstart=0.5 progend=1.0}

  3. Types

    It is possible to design and use many transforms. MCL uses the transforms that are generated with Microsoft DirectX Transform. In the following paragraphs, we will introduce some typical transform

    • Wipe

      Wipe transform sweps image B over the image A from left to right. There are three rectangle regions: image B only on the left, gradient region on the middle, and image A only on the right. The gradient region is the rectangle mixing between image A and B. The boundary between image A region and the gradient region is called the leading edge. Similary, the boundary between the image B region and the gradient region is called the trailing edge.

      Its progress value is from 0.0 to 1.0, indicating how much of the transition has been completed. The custome attribute of the wipe transform grandient specifies what percentage of the toal image width to use. It has the value from 0 to 100.

    • Fade

      It makes an image progressively fade or disappear. For example, an image may be fade into a white.

    • MetaCreations Transform

      These transforms are used to generate cinematic effects. Following are snapshots that are generated by Ladybug 2000. They are image transforms. Refer to "samples\transform\transform list.mcl" for script details.

    • 3D Transform

      It is the transform of a 3D mesh with the video.

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Home : Last Update: Thu Jul 06 16:26:18 2000
Basic, Command, Types
Neatware Transform
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