eta/Post allows
the user to modify material properties for rendering the part. The Material Property
only takes effect when SHADE and MATERIAL COLOR options are both toggled on. The
control window is illustrated in Figure
4.6.1.
Figure 4.6.1 Material Property Control Window
l MATERIAL
Users may select the material from the Material drop down list. The
available materials are: aluminum, steel, copper, gold, iron, silver, bronze,
and rubber. Users may assign a material to the selected parts by using the PART
ATTRIBUTE function.
l MATERIAL COLOR
The program provides adjustment for AMBIENT, DIFFUSE and SPECULAR color
by clicking the color box next to the property type. The program displays a color
control window, as shown in Figure
4.6.2
Figure 4.6.2 Light Source Property Control Window
The user may click and drag the marker in the color map window to
change the color of the selected material.
The program updates the model with the new material color in the graphic
display window in real-time. It also shows the new material color in the color
box on the lower left side of the control window. The user can compare the new
material color with the original color on the right. The user may also click
and drag the slider in the vertical bar to adjust the brightness of the
selected material. The RGB values of the material color are shown in the column
on the right side of the control window. The user may define the material color
by entering the RGB value directly. The user may choose any of the following four
scales to show the color values: Byte, RGB, Hex and HSV. When the desirable
color is obtained, click OK to accept the color and exit the control window. Otherwise,
click CANCEL to reject the color and exit the control window.
l SHININESS
The user may click and drag the slider to adjust the shininess of the
selected material.
l RESET MATERIAL
Reset the material color to the default setting.