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IES Lighting Profiles ilanı için 1. medya

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Give spot and point lights real photometric character. IES Lighting Profiles ships 20 curated IESNA light profiles imported as Texture Light Profile assets, renamed descriptively by their measured beam behavior - narrow spots, wide floods, multi-lobe and ring distributions - so the right profile is obvious from the name alone.

BP_IES_ProfilePreview provides profile selection, intensity, color, distance, and cone controls with normalized and non-normalized preview modes, and the overview map lines up all 20 profiles in an identical comparison layout.

A volumetric demo map stages seven hero profiles as light shafts in fog - pencil beams, hollow ring cones, and multi-lobe patterns - powered by the included IES light function master material that projects any profile into volumetric fog (Unreal's fog does not sample IES textures natively), with pre-framed cameras and shipping-ready fog settings.

FEATURES

  • 20 IES profiles as Texture Light Profile assets

  • Descriptive names derived from measured beam angles and distribution

  • Technical table - peak candela, beam angle, field angle, symmetry - per profile

  • BP_IES_ProfilePreview with profile, intensity, color, distance, and cone controls

  • Normalized and non-normalized brightness preview modes

  • Consistent side-by-side comparison overview map with readable labels

  • Volumetric fog demo map - seven hero profiles as light shafts, pre-framed cameras, tuned fog settings

  • IES light function master material + 7 ready-made instances for volumetric fog shafts (fog ignores plain IES textures)

  • Original .ies source files included for use outside Unreal

  • Markdown documentation, readable in-editor with the free Slate Doc Reader

KNOWN LIMITATIONS

  • IES profiles apply to spot and point lights; directional and rect lights do not use light profiles.

  • Unreal's volumetric fog does not sample IES textures; the included light function master provides the fog-shaft look and requires the Light Function Atlas settings shipped in DefaultEngine.ini.

  • Profiles are axially symmetric type-C photometry as measured in the original files.

  • Authored and validated in UE 5.5

Support: https://yarrawah.com.au

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