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Advanced POV-Ray. ‘Duckbot’ rendered with default settings. What we’re aiming for. What we will cover. Setting up lights in MLCAD Setting up the camera in L3PAO Creating area lights Global settings Modifying textures (reflective floor). Setting up lights in MLCAD.

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Advanced POV-Ray

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advanced pov ray

Advanced POV-Ray

Brickvention 2006

what we re aiming for
What we’re aiming for

Brickvention 2006

what we will cover
What we will cover.
  • Setting up lights in MLCAD
  • Setting up the camera in L3PAO
  • Creating area lights
  • Global settings
  • Modifying textures (reflective floor)

Brickvention 2006

setting up lights in mlcad
Setting up lights in MLCAD

Add lights to your model by adding the part ‘light.dat’

Make sure the colour is set to white.

Brickvention 2006

add as many lights as you want
Add as many lights as you want

Three is usually sufficient.

Brickvention 2006

save the file and open l3pao
Save the file and open L3PAO

Default L3PAO settings

Brickvention 2006

let s change some stuff
Let’s change some stuff

Select ‘light sources from .DAT’ and deselect any other lights

Run L3P, open the file in POV-Ray and render.

Brickvention 2006

the result so far
The result so far

Not very different to the default settings yet.

Brickvention 2006

modifying lights
Modifying lights.

If the lighting arrangement is unsatisfactory -

  • Move the light.dat parts in MLCAD
  • Save the file
  • Rerun L3P
  • Rerender

When you are happy with the light’s positions, close MLCAD

Brickvention 2006

setting up the camera
Setting Up The Camera

For a more natural viewpoint set the camera angle to a lower value.

Use ‘Radius’ to change the framing of the image.

Use ‘Camera Look At’ to set the target of the camera.

Brickvention 2006

the camera
The Camera

Radius (ldu)

Camera ‘Look At’ point. (x,y,z coordinate)





Brickvention 2006

looking better already
Looking better already

Brickvention 2006

creating area lights in pov ray
Creating ‘Area Lights’ in POV-Ray

Open the file created by L3PAO, in this case, duckbot.pov

Brickvention 2006

it s not all that bad
It’s not all that bad…

At the bottom of the file there is always something like this.

Add an area light just above the existing lights.

Brickvention 2006

global settings
Global Settings

The render is still a little dark…

At the top of the file add these global settings.

Brickvention 2006

the finishing touch
The finishing touch

Add reflection to the floor, and play with the ‘ambient’ and ‘diffuse’ settings.

Brickvention 2006

  • Add light.dat parts in MLCAD for greater control over light positioning. Keep in mind the camera angle when placing lights.
  • Adjust the camera in L3PAO.
  • Use the light’s coordinates to create area lights, which soften the shadows.
  • Use the global settings to make fine adjustments to the brightness and contrast of the image.
  • Add reflection to the floor for a nice finishing touch.
  • Do lots of test renders at a low resolution.
  • The POV-Ray help file is brilliant. Use it.

Brickvention 2006


Brickvention 2006