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102 Chapter 17: Rendering
To r ender with contours:
1.
Use the mental ray Connection rollout to assign
a contour shader to an object’s material.
The mental ray material also lets you assign a
contour shader.
2. On the Render S cene dialog > Renderer panel >
Camera Effects rollout, in the Contours group,
turn on Enable.
3. Change the contour output shader if you so
desire.
Note: By default, only one contour contrast
and store shader are prov ided with 3ds Max.
You can adjust the contour contrast shader’s
settings; the contrast store shader has no
parameters.
4. Render the scene.
To change a contour output sha der:
Note:
By defa ult, only one contour contrast and
store shader are provided with 3ds Max. You can
adjust the contour contrast shader’s settings; the
contour store shader has no parameters.
1. Click the button for t he Contour Output shader.
The Material/Map Browser is di splayed.
2. Choose a contour output shader from the
Browser list, and then click OK.
To assign a camera shader:
1.
Click t he button for a camera Lens, Output, or
Vo lu m e s h a d e r.
The Material/Map Browser is di splayed.
2. Choose a shader from the Browser list, and
then click OK.
To adjust the settings f or a contour or camera shader
assigned on this rollout:
1.
Open the Material Editor.
If you need to, arr ange the open dia logs so you
canseetheMaterialEditorandtheRender
Scene d ialog at the same t ime.
2. Drag the shader button from the Render Scene
dialog to an unused sample slot in the Material
Editor.
An Instance (Copy) Map dialog is displayed. Be
sure to choose Instance, and then click OK.
If you don’t choose Instance, changes you ma ke
to the shader settings in the Material Editor
won’thaveanyeffectontheRenderScene
dialog.
Tip: If you forgot to choose Instance, change the
shader settings as you choose, and t hen drag
the shader’s sample slot or its Ty pe button back
to the button in the Render Scene dialog, to
update the Render Scene dialog’s copy of the
shader.
The Material Editor displays the shader’s
parameters rollout.
3. Adjust the parameters.