HyperView User's Guide

Preferences Menu - Options - Lighting

Preferences Menu - Options - Lighting

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Preferences Menu - Options - Lighting

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The Options - Lighting dialog provides light sources for illuminating graphics.  To open this dialog, select Options from the Preferences menu, and then click Lighting on the tree.

lights_tab2

Lighting options

The controls in this dialog specify the position, shininess and specularity of the light.  Any combination of light properties may be used to light the graphic.   The lighting in the graphics area immediately updates as you manipulate the light controls, therefore you are able to preview the changes as you are making them.

Direction

The direction of the light is defined by moving the horizontal and vertical slide controls.

Specular

The specular color defines the color reflected back on shiny surfaces.  Moving the slider bar from low to high controls the degree of shininess.  To disable specular highlighting, set the specular color to black.


Color

To change the color of the graphic, click on a color box, select a new color from the palette, and click OK.

Shininess

Use the slider bar to set the shininess (0-128).

Shading

Flat

Applies flat shading to the graphic.

Smooth

Applies smooth shading to the graphic.

Disable lighting when contour
is applied

When contouring, specular highlighting and shading can be disabled by activating this option.

How Do I....

hmtoggle_plus1Choose the light direction for a graphic:
1.From the Preferences menu, select Options. The Options dialog is displayed.
2.Click Lighting on the tree.
3.Under Direction, slide the horizontal or/and vertical control bars. The lighting on the graphic changes.
4.Click Apply to apply the lighting changes.

OR

-Click OK to apply the lighting changes and exit the dialog.

OR

-Click Cancel to disregard the lighting changes and exit the dialog.