40 lines
1.8 KiB
HTML
40 lines
1.8 KiB
HTML
<html lang="ja">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>Perspective Distort Fx Iwa</title>
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</head>
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<body bgcolor="#f5f5f5" text="#220011">
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<h1><img src = ".\img\fx_iwa_perspective_distort.png" width = 30 height = 30 > Perspective Distort Fx Iwa</h1>
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<h4>● Overview</h4>
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Allows to generate a motion parallax movement effect on the Source image, where things in<br>
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front move faster than things in the back.<br>
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The image width is stretched to the sides, to transform it into a trapezoid, but it will not<br>
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be stretched vertically.<br>
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In other words, the contraction in the vertical direction caused by depth, should be<br>
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incorporated beforehand in the image.<br>
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Also, if you want to apply this effect to a moving background, the movement of the background<br>
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must be collapsed into a SubXsheet.<br><br>
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<img src = ".\img\perspective_distort.png">
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<h4>● Input Port</h4>
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<UL>
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<LI><b>Source</b> : Connect the input image.</LI>
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</UL>
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<h4>● Parameters</h4>
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<UL>
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<LI><b>Vanishing Point</b> : The center point for the deformation. In the case of perspective<br>
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projection, this is the vanishing point.</LI>
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<LI><b>Anchor Point</b> : Defines the vertical position that will be the basis for the deformation.<br>
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Pixels above this point will not be drawn (become transparent).<br>
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It also defines the horizon line for the deformed image, maintaining the original image width.</LI>
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<LI><b>Precision</b> : Since the deformation is carried out only by expansion, the resolution will<br>
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suffer. In order to minimize resolution deterioration, the original image resolution is<br>
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multiplied by this value before being deformed.<br>
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There is no point in making Precision higher than the value obtained by dividing the<br>
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"Capture resolution of the background" by the "Output resolution".</LI>
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</UL>
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</body>
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</html> |