Autotek autocad raster design 2010 Benutzerhandbuch

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Rebuild Palette With All Colors. Creates a new palette to best
accommodate all colors in the entire image. Because this image changes
the palette, pixels inside and outside the sub-region may be affected by
this option.

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Rebuild Palette With New Colors. Also creates a new palette, but this
option guarantees that colors in the sub-region are included in the palette
by giving preference to those pixels over pixels outside the sub-region.
Because this image changes the palette, pixels outside the sub-region
may be affected by this option.

Apply

Changes the color values in the image file and generates a new histogram
that reflects the changes.

Reset Controls

Resets the brightness and contrast on all of the color channels to zero.

NOTE If you have already clicked Apply, clicking Reset Controls does not undo
your changes. To undo your changes, exit the dialog box and use the UNDO
command.

Preview

Displays a preview of the image showing the modifications.
Click an image name to view the preview for that image. Histogram changes
apply to all images you have selected, not just to the image that is currently
previewed.
This preview does not show any display-only adjustments you may have
made to the image using the AutoCAD IMAGEADJUST command. If you
apply changes to the image using the Histogram, then all display-only
adjustments are reset to the defaults.

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 (page 92)

Use this tab to maximize the details in an image that has a large percentage
of pixels that are approximately the same color. Equalization changes the
darkest pixels to black and the lightest pixels to white and then reassigns the

318 | Appendix B   Raster Design Dialog Boxes