This plug-in creates normal maps from bumps and depressions in an image by treating image brightness as an indication of height. Color images can also be processed.
Select all channels and select File > NintendoWare for CTR > NW4C_NormalMapFilter to open a dialog box.
Use the Height Scale parameter to set a scale value for adjusting the height of bumps and depressions. Enter the percentage to use. Increasing this value emphasizes bumps and depressions.
The Filter Type parameter sets the filter type. The larger the value the greater the range sampled. The initial value is 3x3.
The Edge parameter specifies image edge processing. Select Wrap to wrap edges. Select Enlarge to stretch edge pixels. The initial value is Wrap.
The alpha channel is multiplied parameter specifies whether to multily the alpha channel by the height map.
Select the check box to multiply the alpha channel by the height map. Clear the check box to not multiply the alpha channel by the height map. No multiplication is performed if there is no alpha channel even if this check box is selected.
Select Load Param to display a file selection dialog box for loading selected configuration file and setting current parameters.
Select Save Param to display a file selection dialog box for saving current parameters in the specified configuration file.
Image mode can only be executed when RGB color is used.
Execution on files that use 16 bits per channel is impossible.
If there is more than one alpha channel, information for the topmost alpha channel in the channel window is used for height map multiplication.
Select an RGB channel and execute.
Correct processing does not result if executed with only an alpha channel selected.
Processing is performed on selected layers.
Processing can also be applied to mipmap images.
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