hdr photography tips:The Tone Mapping preview does not look the same as the final output image

By Gavin  Jun, 10, 2011   Posted in FAQ on Photomatix

This should only happen if you use the Details Enhancer method to tone map the image. The preview is pre-computed by tone mapping a low resolution version of the original image. The low resolution version does not contain the same pixel values as the entire image. That is, the input is different, and this makes the Details Enhancer algorithm behave differently.
hdr photography tips:The preview has for purpose to give you an indication of how the final tone mapped image will look like, and how changes in the settings influence it. It is not an exact representation of the final result, unless you use the Tone Compressor method to tone map the image.
When the final result is not like you wanted it, you can undo the Tone Mapping (from the HDR menu on Windows and the Edit menu on Mac) and try the Tone Mapping again using other settings.
The differences should be less noticeable when the Strength is low, the Smoothing control is in slider mode, and the White Point and Black Point are set to their default values.

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