This function allows the user to change the light property for gray
shading. This function only works when the SHADE option is turned on. The
program displays the LIGHT PROPERTY control window, as shown in Figure 4.5.1.
Figure 4.5.1 Light Property Control Option Window
1.
LIGHT PROPERTY
This function allows the user to adjust the brightness of the part by
adjusting the setting of Ambient, Diffuse, and Specular light. This function
only works when the SHADE option is turned on. The user may click and drag the
slider in each light property to adjust the light property in order to reach
the optimum display effect.
l AMBIENT
Ambient light is a uniform light source coming from all directions to
the part.
l DIFFUSE
Diffuse light is a parallel light source coming from the light source
direction. This light is reflected evenly on the part surface.
l SPECULAR
Specular light is similar to the diffuse light, except the light is
reflected sharply in a particular direction.
l RESET LIGHT
Reset the light property to the default setting.
2. LIGHT SETTING
LIST
This function is used to display the defined light property in the
list.
3. SAVE LIGHT
This function is used to save the defined light property, and add it to
the list.
4. DELETE
This function is used to delete the unnecessary light property from the
list.
5. RECALL LIGHT
This function is used to recall light property. Select the desired
light property in the list, and click this button to recall it.
6. IMPORT LIGHT
This function is used to import the saved light property setting file to
the light setting list.
7. EXPORT LIGHT
This function is used to save the defined light property in *.lgt file
format.
8. EXIT
Close the Light Property window and exit the function.