7 surface plot, Surface plot – Levenhuk C800 NG Digital Camera, USB 2.0 User Manual

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87

palette,). It simply associates a

Pseudo Color

palette with the image that interprets

the gray-level values in the image as color.

Pseudo Color

ed images are very similar in structure to palette class images, but they

differ in a couple of important ways. First, the pixels' values in a

Pseudo Color

ed

image actually represent continuous-tone intensity information, whereas a palette
image's pixels carry no intensity significance. Secondly, a palette image includes a

palette table that is actually part of the image file.

The colors used to map the gray values can be selected. The buttons at each end of

the color strip will bring up the color dialogues separately, which allows select the
start and end colors of the range.

12.7 Surface Plot•••

The

Surface Plot

(or 3-D Plot) tool creates a 3-D representation of the intensity of an

image. When choosing

Surface Plot

command, keep in mind that X=height Y=width,

and Z=gray.

In the viewpoint window, the

elevation

and

rotation

of the image can be adjusted by

dragging the mouse on the image.

Position Solid

: The left edit control indicates the relative position of the entire image

in the viewpoint window, whose default value is 0.5. The right edit control indicates
the relative height of the display of the Z scale, whose default value is 1.

Reset

: Set the

Position Solid

's two edit controls to their default values.

Image Background Color

: Choose this command to display a color dialog where one

can adjust the background color of the viewpoint window.

Capture

:

Capture

the active image in the viewpoint window as a new image.

Color Table

: Select the colors to map the gray values found in the surface plot. The

button at each end of the

color table

brings up the color dialog, which allows select

the start and end colors of the range. (Please refer to

Pseudo Color

for more

information)

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