Disc environment

Description

../../../_images/disc.jpg

Scene lit by a disc environment 10 times larger than the sun

Environment This environment illuminates the scene from an infinitely distant uniform disc defined by its angular radius and radiance. This can model for instance sun illumination outside the atmosphere.

Children Nodes

Spectrum spectrum

Radiance spectrum inside the disc’s radius

Parameters

name

type

description

direction

vec3

The disc center direction

radius

real

The disc angular radius in degrees

Ocean XML 3.0 example

<environment type="disc" name="disc">
   <prm direction="0.839081 -0.427533 0.336392"/>
   <prm radius="2.5"/>
   <spectrum type="blackbody" name="spectrum" temp="6500" gain="1"/>
</environment>