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- 1) import the neon light object into its own scene in layout.
- Use a black background, and assign the object a surface:
- color 255 255 255 100% luminosity. You may need to import it
- to modeler, and use the Center macro to centre it.
- 2) Set the camera at at least 100mm (35 mm reference) to
- eliminate perspective. Move the camera back on the Z-axis
- until the model is about 25% inside safe title. This will provide room
- for what we will do to the image after it is rendered.
- 3) Render the white image against black. Take it into
- toasterpaint and blur it until it looks defocused.
- 4) In modeler, create a rectangle in a new layer about 35% bigger than
- the neon tube.
- 5) Assign it a surface like "neon glow"
- 6) Subtract the neon shape from the rectangle using stencil drill
- -tunnel-; then scale the rectangle down so it is slightly
- smaller then the neon.
- 7) Bring the rectangle into layout, and parent it to the tube.
- 8) Surface: give the rectangle an appropriate color, and use the
- tpaint image as a transparency and luminosity map. Make the
- Trans. Threshold transparent, 2.0 or so.Diffuse: 0%
- 9) Use spotlights with shadow maps to create the illusion of soft
- neon light on surrounding objects. Parent these lights to the neon.
- 10) Save all objects, save the scene, and in the original
- animation, import the works from scene.
-
- P.s. You could save the objects separetly in modeler, and then
- bring them into your animation. You could then replace the original neon
- object with your centred one, give it the motion of your original to
- place it in the same place, then import the rectangle, parent it, make
- the lights, and parent those.
-
- It's a bit of work, but it'll give you a glow in the same shape
- as your tube, and you'll be able to adjust colors and animate it easily.
- The glow and the invisible spotlights will give the cues and
- create the illusion that the neon tube is a lightsource.
-
- Ken Mayfield (ad914@cfn.cs.dal.ca)
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