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org.sunflow.core

Interface GlobalPhotonMapInterface

All Superinterfaces:
PhotonStore
Known Implementing Classes:
GlobalPhotonMap, GridPhotonMap
public interface GlobalPhotonMapInterface
extends PhotonStore
Represents a global photon map. This is a structure which can return a rough approximation of the diffuse radiance at a given surface point.

Method Summary

Color
getRadiance(Point3 p, Vector3 n)
Lookup the global diffuse radiance at the specified surface point.

Methods inherited from interface org.sunflow.core.PhotonStore

allowDiffuseBounced, allowReflectionBounced, allowRefractionBounced, init, numEmit, prepare, store

Method Details

getRadiance

public Color getRadiance(Point3 p,
                         Vector3 n)
Lookup the global diffuse radiance at the specified surface point.
Parameters:
p - surface position
n - surface normal
Returns:
an approximation of global diffuse radiance at this point

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