--- title: "radiance on Comfy Cloud" description: "radiance is preinstalled on Comfy Cloud — 74 nodes ready to run on managed GPUs. Radiance is a 32-bit color space collection of nodes for ComfyUI." canonical: https://comfy.org/cloud/supported-nodes/radiance/ lang: en index: https://comfy.org/llms.txt --- [Back to all packs](https://comfy.org/cloud/supported-nodes) ![radiance banner](https://raw.githubusercontent.com/fxtdstudios/radiance/main/r_icon.png) **View repository** [https://github.com/fxtdstudios/radiance](https://github.com/fxtdstudios/radiance) **Publisher** FXTD STUDIOS **Downloads** 6,674 **GitHub stars** 246 **Latest version** 2.3.3 **License** {"file": "LICENSE"} **Last updated** Apr 1, 2026 ## Nodes in this pack ### FXTD Studios/Radiance/Analyze - ◎ RadianceFalseColor Bake a 7-zone false-color exposure overlay as an IMAGE for pipeline/batch use. - ◎ RadianceQC Production QC with comprehensive checks and structured reporting - ◎ RadianceQCExport - ◎ RadianceVectorscope Visualize color saturation and hue distribution (U/V plot). - ◎ RadianceWaveform Visualize image exposure and channel balance using a Waveform monitor. - HDRHistogram Analyze HDR image histogram with dynamic range statistics, clipping indicators, and stops visualization. ### FXTD Studios/Radiance/Color - ACES2OutputTransform Apply ACES 2.0 Output Transform with proper gamut mapping for SDR, HDR, or Cinema output. - ARRIWideGamut4 Convert to/from ARRI Wide Gamut 4 (AWG4) for Alexa 35. - ColorSpaceConvert GPU-accelerated color space conversion (sRGB, ACEScg, ACEScct, Rec.2020, DCI-P3). Uses industry-standard matrices. - DaVinciWideGamut Convert to/from DaVinci Wide Gamut and DaVinci Intermediate. - Float32ColorCorrect Professional 32-bit color correction with exposure, contrast, saturation, gamma, and per-channel lift/gain controls. - FXTD_RadianceGradeApply Bakes Radiance grading math into the image tensor permanently. - GPUTensorOps GPU-accelerated HDR operations. Fast exposure, gamma, and normalization. - HDRExpandDynamicRange Expand SDR images to HDR dynamic range by recovering highlights and extending stops of exposure latitude. - HDRExposureBlend Blend multiple exposures (bracketing) for extended dynamic range. Takes highlights from low exposure and shadows from high exposure for optimal color grading. - HDRShadowHighlightRecovery Recover shadow and highlight detail from a single HDR image for better color grading flexibility. - HDRToneMap Professional HDR tone mapping with presets and advanced controls. GPU-accelerated. - ImageToFloat32 Convert images to 32-bit float precision for HDR processing. Preserves full dynamic range without clamping. - RadianceApplyGradeInfo Apply a saved grade_info JSON to any image. Replicates a RadianceGrade exactly. - RadianceGPUColorMatrix Apply a 3×3 or 4×4 color matrix to an image. Includes presets (Identity, Sepia, B&W, Invert) and full custom vector entry with optional offset. - RadianceGrade Professional color grading with per-channel LGG/Offset, cinematic presets, LAB match grading, and JSON grade export. - RadianceGradeMatch Match source image color statistics to a reference image using LAB mean/std matching. - RadianceHighlightSynthesis Synthesize high dynamic range details in clipped highlights to simulate film scan quality. - RadianceLogCurveDecode Decode log footage (LogC3/4, S-Log3, Log3G10, etc.) to linear with EI control and gamut transform. - RadianceLogCurveEncode Encode linear footage to log curves (LogC3/4, S-Log3, Log3G10, etc.) with EI control. - RadianceLUTApply Apply a 3D LUT (.cube) with trilinear or tetrahedral interpolation. Supports log-space input and HDR (unclamped) output. - RadianceLUTBlend Blend two LUTs with various blend modes for creative color grading. - RadianceOCIOCDL ASC CDL transform for shot matching. Supports .cc/.ccc files or manual SOP values. - RadianceOCIOColorTransform Apply an OpenColorIO color space transform between any two spaces defined in the config. - RadianceOCIODisplayView OCIO Display/View transform for professional output. Supports ACES configs with Look and context variables. - RadianceSceneLinearWorkflow Scene-linear workflow presets. Returns decode/working_space/encode settings for color pipeline. - RadianceWhiteBalance Adjust white balance using color temperature (Kelvin) and tint. ### FXTD Studios/Radiance/Data - ◎ RadianceDepthMapGenerator Depth Anything V2 monocular depth estimation. Video-safe — standardizes each frame with spatial-temporal alignment preventing flickering. Outputs 3-channel grayscale depth map. Connect to Depth of Field node for realistic defocus blur. - RadianceDNAReader Reads Radiance Digital DNA signature from all frames in a batch. - RadianceDNAValidator QC gate — validates DNA signature (optionally blocks unsigned images). - RadianceDNAWriter Signs images with Radiance DNA metadata (preserves HDR special values). ### FXTD Studios/Radiance/Draw - ◎ RadianceBlendComposite Composite two images using Normal, Add, Screen, Multiply, Overlay, Soft Light, Difference, or Divide blend modes. - ◎ RadianceMetadataOverlay Burn-in metadata, timecode, and reports onto images (Slate/Burn-in). ### FXTD Studios/Radiance/Filter - ◎ RadianceDenoise 32-bit float bilateral denoising. Preserves edges while smoothing noise. Works on SDR [0,1] and HDR linear-light images equally. Enable hdr_auto_sigma (default ON) for correct HDR operation. - RadianceCompressionArtifacts Add compression artifacts (JPEG blocking, color banding). - RadianceDepthOfField Apply cinematic depth of field blur with optional depth map input. - RadianceFilmGrain Unified photographic grain simulation with camera and film stock profiles. Full float32/HDR pipeline — zero output clamping. Physically-based grain with silver halide clumping, exposure-dependent density, and HDR-safe compositing. - RadianceMotionBlur Apply motion blur (directional, radial, or zoom) to simulate camera movement. - RadianceRollingShutter Simulate rolling shutter artifacts (skew, wobble, flash banding). ### FXTD Studios/Radiance/Generate - ◎ RadianceCinemaStudio Generate authentic cinematic prompts using real-world camera and lens profiles. - RadianceCinematicPromptEncoder v2.3.3 — Universal cinematic encoder. Auto-selects prose format for Flux/T5/Kolors and structured format for SD1.5/SDXL. Supports scene mood, A/B prompts, subject weighting, real token counts, art direction and architecture-aware negatives. - RadianceControlApply - RadianceLoraStack Compose up to 5 LoRAs into an accumulating LORA_STACK. Chain multiple stacks together. Feed into Radiance Unified Loader. - RadianceSamplerPro v4.2 — Universal diffusion sampler. Auto-detects model type (Flux, SD3, SDXL, WAN, LTX, HunyuanVideo, Lumina2, Chroma). Phase-shift sampling, AYS schedules, PAG, dynamic guidance, tiled sampling, multi-conditioning, noise types, refiner chain. - RadianceUnifiedLoader Universal loader v3.1 — auto-detects architecture (Flux, SD3, SDXL, Wan, LTX 2.3, HunyuanVideo, PixArt, Lumina2, etc.), named CLIP slots, chainable LORA_STACK, model_meta JSON, latent_format, offload mode. ZERO stale cache hits (mtime + size fingerprinting). - RadianceVAEDecode v2.3 — Universal 4K+ VAE decode. True HDR Compress(Log) with soft-shoulder and highlight denoise for clean, clamp-free HDR output. Auto VAE-factor, 11 color spaces, video 5D support, auto-crop from radiance_meta. - RadianceVAEEncode v2.3 — Universal 4K+ VAE encode. Auto VAE-factor detection, video 5D latent support, 11 color spaces, mean/sample/mode latent sampling, batched tile processing, quality report, latent_format output. Compress (Log) HDR mode now passes full scene-linear range through log curve without any post-encode clamp — decode side handles noise cleanly. ### FXTD Studios/Radiance/Image - HDR360Generate Generate 360° equirectangular panoramas for HDRI environment mapping in 3D applications. - RadianceAIUpscale AI-powered upscaling using neural network models. Supports tiled processing for large images. - RadianceBitDepthConvert Convert between bit depths with professional dithering to reduce banding. - RadianceDownscale32bit GPU-accelerated 32-bit downscaling with anti-aliasing. - RadianceProUpscale Professional 32-bit upscaler optimized for Flux with HDR support. - RadianceResolution Professional resolution selector with internal preview card. Outputs empty LATENT for Flux/SDXL/SD with correct channel count. 30+ cinema/social/AI presets. Manual latent_channels override for custom architectures. - RadianceUpscaleBySize Upscale to exact dimensions with aspect ratio control. ### FXTD Studios/Radiance/IO - ◎ RadianceDigitalCinemaRead - ◎ RadianceDigitalCinemaWrite ### FXTD Studios/Radiance/Layout - RadianceAdvancedReroute Professional labeled reroute — color, icon, style, group tag, description tooltip, and live type introspection. Renders as a styled pill via radiance_layout.js. - RadianceDebugProbe Non-destructive debug probe. Logs tensor shape/range/dtype, string values, list/dict lengths. Data is passed through unchanged. - RadianceGate Boolean gate — passes data when open=True, returns fallback (or None) when open=False. Use to enable/disable branches without rewiring. - RadianceMux A/B/C/D input multiplexer — select which of up to 4 inputs to pass through using an index (0=A, 1=B, 2=C, 3=D). Perfect for rapid comparisons without rewiring. - RadianceNote Sticky note for workflow documentation. No data connections — pure display. Supports a title, body text, and color selection. - RadianceReroute Lightweight named reroute — label any wire without visual overhead. Backward compatible: the label is optional and purely informational. Use Reroute+ for color, icons, styles and group tags. - RadianceWorkspace ### FXTD Studios/Radiance/Masking - RadianceLoadImageMask Load an image with optional non-destructive mask override. If a companion '_radmask.png' file exists alongside the source image, its alpha channel is used as the mask instead of the image's own alpha. The Radiance mask editor frontend saves masks in this companion format. ### FXTD Studios/Radiance/Pipeline - ◎ RadianceNukeBridge Send images directly to Nuke's Viewer via EXR + TCP. Writes full float32 EXR with RGBA + Depth using Radiance IO, then creates a Read node in Nuke connected to the Viewer. Requires scripts/start_nuke_server.py running inside Nuke. ### FXTD Studios/Radiance/Utilities - ◎ RadianceShowText Displays any input data as text directly on the node UI. ### FXTD Studios/Radiance/Video - ◎ RadianceFlickerAnalyze Compute per-frame flicker index (luma delta %) for video QC. Passthrough image, outputs JSON report. - ◎ RadianceTemporalSmooth Reduce inter-frame flicker in video batches via per-pixel EMA with optional motion-aware masking. ### FXTD Studios/Radiance/Views - FXTD_RadianceViewer VFX Industry-Standard Viewer v2.3.3 — Pro Evolution: • GPU Waveform / RGB Parade / Vectorscope / Histogram scopes • Power Windows masking (Radial + Box, feather, rotation) • Comparison Bridge — mouse-draggable wipe + reference shelf (8 stills) • Anamorphic lens streaks + Brown-Conrady k1/k2 distortion • Edge-preserving Bilateral Filter denoising (7×7 GPU kernel) • Channel viewing (RGB/R/G/B/Alpha/Luma), False Color, Zebra • 16-bit PNG + .rhdr HDR sidecar + .exr export • IMAGE passthrough — no longer a dead-end node